diff options
| author | till <till@php.net> | 2008-02-03 12:58:34 +0000 |
|---|---|---|
| committer | till <till@php.net> | 2008-02-03 12:58:34 +0000 |
| commit | 95ebbc985a0e64a364e880de89dbc1ae7952d91e (patch) | |
| tree | 78474efc88790b6d88e4976b51c7bebb5d017a37 /program/lib/MDB2/Driver | |
| parent | 9f5bd376b47f41924ede3d8136302d0f7b81c89f (diff) | |
* putting latest MDB2 into SVN
* adding MDB2 drivers for mssql, mysql, mysqli, pgsql, sqlite
Diffstat (limited to 'program/lib/MDB2/Driver')
35 files changed, 21670 insertions, 0 deletions
diff --git a/program/lib/MDB2/Driver/Datatype/Common.php b/program/lib/MDB2/Driver/Datatype/Common.php new file mode 100644 index 000000000..01423e44c --- /dev/null +++ b/program/lib/MDB2/Driver/Datatype/Common.php @@ -0,0 +1,1830 @@ +<?php
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2007 Manuel Lemos, Tomas V.V.Cox, |
+// | Stig. S. Bakken, Lukas Smith |
+// | All rights reserved. |
+// +----------------------------------------------------------------------+
+// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB |
+// | API as well as database abstraction for PHP applications. |
+// | This LICENSE is in the BSD license style. |
+// | |
+// | Redistribution and use in source and binary forms, with or without |
+// | modification, are permitted provided that the following conditions |
+// | are met: |
+// | |
+// | Redistributions of source code must retain the above copyright |
+// | notice, this list of conditions and the following disclaimer. |
+// | |
+// | Redistributions in binary form must reproduce the above copyright |
+// | notice, this list of conditions and the following disclaimer in the |
+// | documentation and/or other materials provided with the distribution. |
+// | |
+// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, |
+// | Lukas Smith nor the names of his contributors may be used to endorse |
+// | or promote products derived from this software without specific prior|
+// | written permission. |
+// | |
+// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
+// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
+// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
+// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
+// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
+// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
+// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
+// | OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
+// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
+// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
+// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
+// | POSSIBILITY OF SUCH DAMAGE. |
+// +----------------------------------------------------------------------+
+// | Author: Lukas Smith <smith@pooteeweet.org> |
+// +----------------------------------------------------------------------+
+//
+// $Id: Common.php,v 1.128 2007/11/09 20:54:58 quipo Exp $
+
+require_once 'MDB2/LOB.php';
+
+/**
+ * @package MDB2
+ * @category Database
+ * @author Lukas Smith <smith@pooteeweet.org>
+ */
+
+/**
+ * MDB2_Driver_Common: Base class that is extended by each MDB2 driver
+ *
+ * To load this module in the MDB2 object:
+ * $mdb->loadModule('Datatype');
+ *
+ * @package MDB2
+ * @category Database
+ * @author Lukas Smith <smith@pooteeweet.org>
+ */
+class MDB2_Driver_Datatype_Common extends MDB2_Module_Common
+{
+ var $valid_default_values = array(
+ 'text' => '',
+ 'boolean' => true,
+ 'integer' => 0,
+ 'decimal' => 0.0,
+ 'float' => 0.0,
+ 'timestamp' => '1970-01-01 00:00:00',
+ 'time' => '00:00:00',
+ 'date' => '1970-01-01',
+ 'clob' => '',
+ 'blob' => '',
+ );
+
+ /**
+ * contains all LOB objects created with this MDB2 instance
+ * @var array
+ * @access protected
+ */
+ var $lobs = array();
+
+ // }}}
+ // {{{ getValidTypes()
+
+ /**
+ * Get the list of valid types
+ *
+ * This function returns an array of valid types as keys with the values
+ * being possible default values for all native datatypes and mapped types
+ * for custom datatypes.
+ *
+ * @return mixed array on success, a MDB2 error on failure
+ * @access public
+ */
+ function getValidTypes()
+ {
+ $types = $this->valid_default_values;
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+ if (!empty($db->options['datatype_map'])) {
+ foreach ($db->options['datatype_map'] as $type => $mapped_type) {
+ if (array_key_exists($mapped_type, $types)) {
+ $types[$type] = $types[$mapped_type];
+ } elseif (!empty($db->options['datatype_map_callback'][$type])) {
+ $parameter = array('type' => $type, 'mapped_type' => $mapped_type);
+ $default = call_user_func_array($db->options['datatype_map_callback'][$type], array(&$db, __FUNCTION__, $parameter));
+ $types[$type] = $default;
+ }
+ }
+ }
+ return $types;
+ }
+
+ // }}}
+ // {{{ checkResultTypes()
+
+ /**
+ * Define the list of types to be associated with the columns of a given
+ * result set.
+ *
+ * This function may be called before invoking fetchRow(), fetchOne()
+ * fetchCole() and fetchAll() so that the necessary data type
+ * conversions are performed on the data to be retrieved by them. If this
+ * function is not called, the type of all result set columns is assumed
+ * to be text, thus leading to not perform any conversions.
+ *
+ * @param array $types array variable that lists the
+ * data types to be expected in the result set columns. If this array
+ * contains less types than the number of columns that are returned
+ * in the result set, the remaining columns are assumed to be of the
+ * type text. Currently, the types clob and blob are not fully
+ * supported.
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function checkResultTypes($types)
+ {
+ $types = is_array($types) ? $types : array($types);
+ foreach ($types as $key => $type) {
+ if (!isset($this->valid_default_values[$type])) {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+ if (empty($db->options['datatype_map'][$type])) {
+ return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ $type.' for '.$key.' is not a supported column type', __FUNCTION__);
+ }
+ }
+ }
+ return $types;
+ }
+
+ // }}}
+ // {{{ _baseConvertResult()
+
+ /**
+ * General type conversion method
+ *
+ * @param mixed $value reference to a value to be converted
+ * @param string $type specifies which type to convert to
+ * @param boolean $rtrim [optional] when TRUE [default], apply rtrim() to text
+ * @return object an MDB2 error on failure
+ * @access protected
+ */
+ function _baseConvertResult($value, $type, $rtrim = true)
+ {
+ switch ($type) {
+ case 'text':
+ if ($rtrim) {
+ $value = rtrim($value);
+ }
+ return $value;
+ case 'integer':
+ return intval($value);
+ case 'boolean':
+ return !empty($value);
+ case 'decimal':
+ return $value;
+ case 'float':
+ return doubleval($value);
+ case 'date':
+ return $value;
+ case 'time':
+ return $value;
+ case 'timestamp':
+ return $value;
+ case 'clob':
+ case 'blob':
+ $this->lobs[] = array(
+ 'buffer' => null,
+ 'position' => 0,
+ 'lob_index' => null,
+ 'endOfLOB' => false,
+ 'resource' => $value,
+ 'value' => null,
+ 'loaded' => false,
+ );
+ end($this->lobs);
+ $lob_index = key($this->lobs);
+ $this->lobs[$lob_index]['lob_index'] = $lob_index;
+ return fopen('MDB2LOB://'.$lob_index.'@'.$this->db_index, 'r+');
+ }
+
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ return $db->raiseError(MDB2_ERROR_INVALID, null, null,
+ 'attempt to convert result value to an unknown type :' . $type, __FUNCTION__);
+ }
+
+ // }}}
+ // {{{ convertResult()
+
+ /**
+ * Convert a value to a RDBMS indipendent MDB2 type
+ *
+ * @param mixed $value value to be converted
+ * @param string $type specifies which type to convert to
+ * @param boolean $rtrim [optional] when TRUE [default], apply rtrim() to text
+ * @return mixed converted value
+ * @access public
+ */
+ function convertResult($value, $type, $rtrim = true)
+ {
+ if (is_null($value)) {
+ return null;
+ }
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+ if (!empty($db->options['datatype_map'][$type])) {
+ $type = $db->options['datatype_map'][$type];
+ if (!empty($db->options['datatype_map_callback'][$type])) {
+ $parameter = array('type' => $type, 'value' => $value, 'rtrim' => $rtrim);
+ return call_user_func_array($db->options['datatype_map_callback'][$type], array(&$db, __FUNCTION__, $parameter));
+ }
+ }
+ return $this->_baseConvertResult($value, $type, $rtrim);
+ }
+
+ // }}}
+ // {{{ convertResultRow()
+
+ /**
+ * Convert a result row
+ *
+ * @param array $types
+ * @param array $row specifies the types to convert to
+ * @param boolean $rtrim [optional] when TRUE [default], apply rtrim() to text
+ * @return mixed MDB2_OK on success, an MDB2 error on failure
+ * @access public
+ */
+ function convertResultRow($types, $row, $rtrim = true)
+ {
+ $types = $this->_sortResultFieldTypes(array_keys($row), $types);
+ foreach ($row as $key => $value) {
+ if (empty($types[$key])) {
+ continue;
+ }
+ $value = $this->convertResult($row[$key], $types[$key], $rtrim);
+ if (PEAR::isError($value)) {
+ return $value;
+ }
+ $row[$key] = $value;
+ }
+ return $row;
+ }
+
+ // }}}
+ // {{{ _sortResultFieldTypes()
+
+ /**
+ * convert a result row
+ *
+ * @param array $types
+ * @param array $row specifies the types to convert to
+ * @param bool $rtrim if to rtrim text values or not
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function _sortResultFieldTypes($columns, $types)
+ {
+ $n_cols = count($columns);
+ $n_types = count($types);
+ if ($n_cols > $n_types) {
+ for ($i= $n_cols - $n_types; $i >= 0; $i--) {
+ $types[] = null;
+ }
+ }
+ $sorted_types = array();
+ foreach ($columns as $col) {
+ $sorted_types[$col] = null;
+ }
+ foreach ($types as $name => $type) {
+ if (array_key_exists($name, $sorted_types)) {
+ $sorted_types[$name] = $type;
+ unset($types[$name]);
+ }
+ }
+ // if there are left types in the array, fill the null values of the
+ // sorted array with them, in order.
+ if (count($types)) {
+ reset($types);
+ foreach (array_keys($sorted_types) as $k) {
+ if (is_null($sorted_types[$k])) {
+ $sorted_types[$k] = current($types);
+ next($types);
+ }
+ }
+ }
+ return $sorted_types;
+ }
+
+ // }}}
+ // {{{ getDeclaration()
+
+ /**
+ * Obtain DBMS specific SQL code portion needed to declare
+ * of the given type
+ *
+ * @param string $type type to which the value should be converted to
+ * @param string $name name the field to be declared.
+ * @param string $field definition of the field
+ * @return string DBMS specific SQL code portion that should be used to
+ * declare the specified field.
+ * @access public
+ */
+ function getDeclaration($type, $name, $field)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ if (!empty($db->options['datatype_map'][$type])) {
+ $type = $db->options['datatype_map'][$type];
+ if (!empty($db->options['datatype_map_callback'][$type])) {
+ $parameter = array('type' => $type, 'name' => $name, 'field' => $field);
+ return call_user_func_array($db->options['datatype_map_callback'][$type], array(&$db, __FUNCTION__, $parameter));
+ }
+ $field['type'] = $type;
+ }
+
+ if (!method_exists($this, "_get{$type}Declaration")) {
+ return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+ 'type not defined: '.$type, __FUNCTION__);
+ }
+ return $this->{"_get{$type}Declaration"}($name, $field);
+ }
+
+ // }}}
+ // {{{ getTypeDeclaration()
+
+ /**
+ * Obtain DBMS specific SQL code portion needed to declare an text type
+ * field to be used in statements like CREATE TABLE.
+ *
+ * @param array $field associative array with the name of the properties
+ * of the field being declared as array indexes. Currently, the types
+ * of supported field properties are as follows:
+ *
+ * length
+ * Integer value that determines the maximum length of the text
+ * field. If this argument is missing the field should be
+ * declared to have the longest length allowed by the DBMS.
+ *
+ * default
+ * Text value to be used as default for this field.
+ *
+ * notnull
+ * Boolean flag that indicates whether this field is constrained
+ * to not be set to null.
+ * @return string DBMS specific SQL code portion that should be used to
+ * declare the specified field.
+ * @access public
+ */
+ function getTypeDeclaration($field)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ switch ($field['type']) {
+ case 'text':
+ $length = !empty($field['length']) ? $field['length'] : $db->options['default_text_field_length'];
+ $fixed = !empty($field['fixed']) ? $field['fixed'] : false;
+ return $fixed ? ($length ? 'CHAR('.$length.')' : 'CHAR('.$db->options['default_text_field_length'].')')
+ : ($length ? 'VARCHAR('.$length.')' : 'TEXT');
+ case 'clob':
+ return 'TEXT';
+ case 'blob':
+ return 'TEXT';
+ case 'integer':
+ return 'INT';
+ case 'boolean':
+ return 'INT';
+ case 'date':
+ return 'CHAR ('.strlen('YYYY-MM-DD').')';
+ case 'time':
+ return 'CHAR ('.strlen('HH:MM:SS').')';
+ case 'timestamp':
+ return 'CHAR ('.strlen('YYYY-MM-DD HH:MM:SS').')';
+ case 'float':
+ return 'TEXT';
+ case 'decimal':
+ return 'TEXT';
+ }
+ return '';
+ }
+
+ // }}}
+ // {{{ _getDeclaration()
+
+ /**
+ * Obtain DBMS specific SQL code portion needed to declare a generic type
+ * field to be used in statements like CREATE TABLE.
+ *
+ * @param string $name name the field to be declared.
+ * @param array $field associative array with the name of the properties
+ * of the field being declared as array indexes. Currently, the types
+ * of supported field properties are as follows:
+ *
+ * length
+ * Integer value that determines the maximum length of the text
+ * field. If this argument is missing the field should be
+ * declared to have the longest length allowed by the DBMS.
+ *
+ * default
+ * Text value to be used as default for this field.
+ *
+ * notnull
+ * Boolean flag that indicates whether this field is constrained
+ * to not be set to null.
+ * charset
+ * Text value with the default CHARACTER SET for this field.
+ * collation
+ * Text value with the default COLLATION for this field.
+ * @return string DBMS specific SQL code portion that should be used to
+ * declare the specified field, or a MDB2_Error on failure
+ * @access protected
+ */
+ function _getDeclaration($name, $field)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $name = $db->quoteIdentifier($name, true);
+ $declaration_options = $db->datatype->_getDeclarationOptions($field);
+ if (PEAR::isError($declaration_options)) {
+ return $declaration_options;
+ }
+ return $name.' '.$this->getTypeDeclaration($field).$declaration_options;
+ }
+
+ // }}}
+ // {{{ _getDeclarationOptions()
+
+ /**
+ * Obtain DBMS specific SQL code portion needed to declare a generic type
+ * field to be used in statement like CREATE TABLE, without the field name
+ * and type values (ie. just the character set, default value, if the
+ * field is permitted to be NULL or not, and the collation options).
+ *
+ * @param array $field associative array with the name of the properties
+ * of the field being declared as array indexes. Currently, the types
+ * of supported field properties are as follows:
+ *
+ * default
+ * Text value to be used as default for this field.
+ * notnull
+ * Boolean flag that indicates whether this field is constrained
+ * to not be set to null.
+ * charset
+ * Text value with the default CHARACTER SET for this field.
+ * collation
+ * Text value with the default COLLATION for this field.
+ * @return string DBMS specific SQL code portion that should be used to
+ * declare the specified field's options.
+ * @access protected
+ */
+ function _getDeclarationOptions($field)
+ {
+ $charset = empty($field['charset']) ? '' :
+ ' '.$this->_getCharsetFieldDeclaration($field['charset']);
+
+ $default = '';
+ if (array_key_exists('default', $field)) {
+ if ($field['default'] === '') {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+ if (empty($field['notnull'])) {
+ $field['default'] = null;
+ } else {
+ $valid_default_values = $this->getValidTypes();
+ $field['default'] = $valid_default_values[$field['type']];
+ }
+ if ($field['default'] === ''
+ && ($db->options['portability'] & MDB2_PORTABILITY_EMPTY_TO_NULL)
+ ) {
+ $field['default'] = ' ';
+ }
+ }
+ $default = ' DEFAULT '.$this->quote($field['default'], $field['type']);
+ } elseif (empty($field['notnull'])) {
+ $default = ' DEFAULT NULL';
+ }
+
+ $notnull = empty($field['notnull']) ? '' : ' NOT NULL';
+
+ $collation = empty($field['collation']) ? '' :
+ ' '.$this->_getCollationFieldDeclaration($field['collation']);
+ return $charset.$default.$notnull.$collation;
+ }
+
+ // }}}
+ // {{{ _getCharsetFieldDeclaration()
+
+ /**
+ * Obtain DBMS specific SQL code portion needed to set the CHARACTER SET
+ * of a field declaration to be used in statements like CREATE TABLE.
+ *
+ * @param string $charset name of the charset
+ * @return string DBMS specific SQL code portion needed to set the CHARACTER SET
+ * of a field declaration.
+ */
+ function _getCharsetFieldDeclaration($charset)
+ {
+ return '';
+ }
+
+ // }}}
+ // {{{ _getCollationFieldDeclaration()
+
+ /**
+ * Obtain DBMS specific SQL code portion needed to set the COLLATION
+ * of a field declaration to be used in statements like CREATE TABLE.
+ *
+ * @param string $collation name of the collation
+ * @return string DBMS specific SQL code portion needed to set the COLLATION
+ * of a field declaration.
+ */
+ function _getCollationFieldDeclaration($collation)
+ {
+ return '';
+ }
+
+ // }}}
+ // {{{ _getIntegerDeclaration()
+
+ /**
+ * Obtain DBMS specific SQL code portion needed to declare an integer type
+ * field to be used in statements like CREATE TABLE.
+ *
+ * @param string $name name the field to be declared.
+ * @param array $field associative array with the name of the properties
+ * of the field being declared as array indexes. Currently, the types
+ * of supported field properties are as follows:
+ *
+ * unsigned
+ * Boolean flag that indicates whether the field should be
+ * declared as unsigned integer if possible.
+ *
+ * default
+ * Integer value to be used as default for this field.
+ *
+ * notnull
+ * Boolean flag that indicates whether this field is constrained
+ * to not be set to null.
+ * @return string DBMS specific SQL code portion that should be used to
+ * declare the specified field.
+ * @access protected
+ */
+ function _getIntegerDeclaration($name, $field)
+ {
+ if (!empty($field['unsigned'])) {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $db->warnings[] = "unsigned integer field \"$name\" is being declared as signed integer";
+ }
+ return $this->_getDeclaration($name, $field);
+ }
+
+ // }}}
+ // {{{ _getTextDeclaration()
+
+ /**
+ * Obtain DBMS specific SQL code portion needed to declare an text type
+ * field to be used in statements like CREATE TABLE.
+ *
+ * @param string $name name the field to be declared.
+ * @param array $field associative array with the name of the properties
+ * of the field being declared as array indexes. Currently, the types
+ * of supported field properties are as follows:
+ *
+ * length
+ * Integer value that determines the maximum length of the text
+ * field. If this argument is missing the field should be
+ * declared to have the longest length allowed by the DBMS.
+ *
+ * default
+ * Text value to be used as default for this field.
+ *
+ * notnull
+ * Boolean flag that indicates whether this field is constrained
+ * to not be set to null.
+ * @return string DBMS specific SQL code portion that should be used to
+ * declare the specified field.
+ * @access protected
+ */
+ function _getTextDeclaration($name, $field)
+ {
+ return $this->_getDeclaration($name, $field);
+ }
+
+ // }}}
+ // {{{ _getCLOBDeclaration()
+
+ /**
+ * Obtain DBMS specific SQL code portion needed to declare an character
+ * large object type field to be used in statements like CREATE TABLE.
+ *
+ * @param string $name name the field to be declared.
+ * @param array $field associative array with the name of the properties
+ * of the field being declared as array indexes. Currently, the types
+ * of supported field properties are as follows:
+ *
+ * length
+ * Integer value that determines the maximum length of the large
+ * object field. If this argument is missing the field should be
+ * declared to have the longest length allowed by the DBMS.
+ *
+ * notnull
+ * Boolean flag that indicates whether this field is constrained
+ * to not be set to null.
+ * @return string DBMS specific SQL code portion that should be used to
+ * declare the specified field.
+ * @access public
+ */
+ function _getCLOBDeclaration($name, $field)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $notnull = empty($field['notnull']) ? '' : ' NOT NULL';
+ $name = $db->quoteIdentifier($name, true);
+ return $name.' '.$this->getTypeDeclaration($field).$notnull;
+ }
+
+ // }}}
+ // {{{ _getBLOBDeclaration()
+
+ /**
+ * Obtain DBMS specific SQL code portion needed to declare an binary large
+ * object type field to be used in statements like CREATE TABLE.
+ *
+ * @param string $name name the field to be declared.
+ * @param array $field associative array with the name of the properties
+ * of the field being declared as array indexes. Currently, the types
+ * of supported field properties are as follows:
+ *
+ * length
+ * Integer value that determines the maximum length of the large
+ * object field. If this argument is missing the field should be
+ * declared to have the longest length allowed by the DBMS.
+ *
+ * notnull
+ * Boolean flag that indicates whether this field is constrained
+ * to not be set to null.
+ * @return string DBMS specific SQL code portion that should be used to
+ * declare the specified field.
+ * @access protected
+ */
+ function _getBLOBDeclaration($name, $field)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $notnull = empty($field['notnull']) ? '' : ' NOT NULL';
+ $name = $db->quoteIdentifier($name, true);
+ return $name.' '.$this->getTypeDeclaration($field).$notnull;
+ }
+
+ // }}}
+ // {{{ _getBooleanDeclaration()
+
+ /**
+ * Obtain DBMS specific SQL code portion needed to declare a boolean type
+ * field to be used in statements like CREATE TABLE.
+ *
+ * @param string $name name the field to be declared.
+ * @param array $field associative array with the name of the properties
+ * of the field being declared as array indexes. Currently, the types
+ * of supported field properties are as follows:
+ *
+ * default
+ * Boolean value to be used as default for this field.
+ *
+ * notnullL
+ * Boolean flag that indicates whether this field is constrained
+ * to not be set to null.
+ * @return string DBMS specific SQL code portion that should be used to
+ * declare the specified field.
+ * @access protected
+ */
+ function _getBooleanDeclaration($name, $field)
+ {
+ return $this->_getDeclaration($name, $field);
+ }
+
+ // }}}
+ // {{{ _getDateDeclaration()
+
+ /**
+ * Obtain DBMS specific SQL code portion needed to declare a date type
+ * field to be used in statements like CREATE TABLE.
+ *
+ * @param string $name name the field to be declared.
+ * @param array $field associative array with the name of the properties
+ * of the field being declared as array indexes. Currently, the types
+ * of supported field properties are as follows:
+ *
+ * default
+ * Date value to be used as default for this field.
+ *
+ * notnull
+ * Boolean flag that indicates whether this field is constrained
+ * to not be set to null.
+ * @return string DBMS specific SQL code portion that should be used to
+ * declare the specified field.
+ * @access protected
+ */
+ function _getDateDeclaration($name, $field)
+ {
+ return $this->_getDeclaration($name, $field);
+ }
+
+ // }}}
+ // {{{ _getTimestampDeclaration()
+
+ /**
+ * Obtain DBMS specific SQL code portion needed to declare a timestamp
+ * field to be used in statements like CREATE TABLE.
+ *
+ * @param string $name name the field to be declared.
+ * @param array $field associative array with the name of the properties
+ * of the field being declared as array indexes. Currently, the types
+ * of supported field properties are as follows:
+ *
+ * default
+ * Timestamp value to be used as default for this field.
+ *
+ * notnull
+ * Boolean flag that indicates whether this field is constrained
+ * to not be set to null.
+ * @return string DBMS specific SQL code portion that should be used to
+ * declare the specified field.
+ * @access protected
+ */
+ function _getTimestampDeclaration($name, $field)
+ {
+ return $this->_getDeclaration($name, $field);
+ }
+
+ // }}}
+ // {{{ _getTimeDeclaration()
+
+ /**
+ * Obtain DBMS specific SQL code portion needed to declare a time
+ * field to be used in statements like CREATE TABLE.
+ *
+ * @param string $name name the field to be declared.
+ * @param array $field associative array with the name of the properties
+ * of the field being declared as array indexes. Currently, the types
+ * of supported field properties are as follows:
+ *
+ * default
+ * Time value to be used as default for this field.
+ *
+ * notnull
+ * Boolean flag that indicates whether this field is constrained
+ * to not be set to null.
+ * @return string DBMS specific SQL code portion that should be used to
+ * declare the specified field.
+ * @access protected
+ */
+ function _getTimeDeclaration($name, $field)
+ {
+ return $this->_getDeclaration($name, $field);
+ }
+
+ // }}}
+ // {{{ _getFloatDeclaration()
+
+ /**
+ * Obtain DBMS specific SQL code portion needed to declare a float type
+ * field to be used in statements like CREATE TABLE.
+ *
+ * @param string $name name the field to be declared.
+ * @param array $field associative array with the name of the properties
+ * of the field being declared as array indexes. Currently, the types
+ * of supported field properties are as follows:
+ *
+ * default
+ * Float value to be used as default for this field.
+ *
+ * notnull
+ * Boolean flag that indicates whether this field is constrained
+ * to not be set to null.
+ * @return string DBMS specific SQL code portion that should be used to
+ * declare the specified field.
+ * @access protected
+ */
+ function _getFloatDeclaration($name, $field)
+ {
+ return $this->_getDeclaration($name, $field);
+ }
+
+ // }}}
+ // {{{ _getDecimalDeclaration()
+
+ /**
+ * Obtain DBMS specific SQL code portion needed to declare a decimal type
+ * field to be used in statements like CREATE TABLE.
+ *
+ * @param string $name name the field to be declared.
+ * @param array $field associative array with the name of the properties
+ * of the field being declared as array indexes. Currently, the types
+ * of supported field properties are as follows:
+ *
+ * default
+ * Decimal value to be used as default for this field.
+ *
+ * notnull
+ * Boolean flag that indicates whether this field is constrained
+ * to not be set to null.
+ * @return string DBMS specific SQL code portion that should be used to
+ * declare the specified field.
+ * @access protected
+ */
+ function _getDecimalDeclaration($name, $field)
+ {
+ return $this->_getDeclaration($name, $field);
+ }
+
+ // }}}
+ // {{{ compareDefinition()
+
+ /**
+ * Obtain an array of changes that may need to applied
+ *
+ * @param array $current new definition
+ * @param array $previous old definition
+ * @return array containing all changes that will need to be applied
+ * @access public
+ */
+ function compareDefinition($current, $previous)
+ {
+ $type = !empty($current['type']) ? $current['type'] : null;
+
+ if (!method_exists($this, "_compare{$type}Definition")) {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+ if (!empty($db->options['datatype_map_callback'][$type])) {
+ $parameter = array('current' => $current, 'previous' => $previous);
+ $change = call_user_func_array($db->options['datatype_map_callback'][$type], array(&$db, __FUNCTION__, $parameter));
+ return $change;
+ }
+ return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'type "'.$current['type'].'" is not yet supported', __FUNCTION__);
+ }
+
+ if (empty($previous['type']) || $previous['type'] != $type) {
+ return $current;
+ }
+
+ $change = $this->{"_compare{$type}Definition"}($current, $previous);
+
+ if ($previous['type'] != $type) {
+ $change['type'] = true;
+ }
+
+ $previous_notnull = !empty($previous['notnull']) ? $previous['notnull'] : false;
+ $notnull = !empty($current['notnull']) ? $current['notnull'] : false;
+ if ($previous_notnull != $notnull) {
+ $change['notnull'] = true;
+ }
+
+ $previous_default = array_key_exists('default', $previous) ? $previous['default'] :
+ ($previous_notnull ? '' : null);
+ $default = array_key_exists('default', $current) ? $current['default'] :
+ ($notnull ? '' : null);
+ if ($previous_default !== $default) {
+ $change['default'] = true;
+ }
+
+ return $change;
+ }
+
+ // }}}
+ // {{{ _compareIntegerDefinition()
+
+ /**
+ * Obtain an array of changes that may need to applied to an integer field
+ *
+ * @param array $current new definition
+ * @param array $previous old definition
+ * @return array containing all changes that will need to be applied
+ * @access protected
+ */
+ function _compareIntegerDefinition($current, $previous)
+ {
+ $change = array();
+ $previous_unsigned = !empty($previous['unsigned']) ? $previous['unsigned'] : false;
+ $unsigned = !empty($current['unsigned']) ? $current['unsigned'] : false;
+ if ($previous_unsigned != $unsigned) {
+ $change['unsigned'] = true;
+ }
+ $previous_autoincrement = !empty($previous['autoincrement']) ? $previous['autoincrement'] : false;
+ $autoincrement = !empty($current['autoincrement']) ? $current['autoincrement'] : false;
+ if ($previous_autoincrement != $autoincrement) {
+ $change['autoincrement'] = true;
+ }
+ return $change;
+ }
+
+ // }}}
+ // {{{ _compareTextDefinition()
+
+ /**
+ * Obtain an array of changes that may need to applied to an text field
+ *
+ * @param array $current new definition
+ * @param array $previous old definition
+ * @return array containing all changes that will need to be applied
+ * @access protected
+ */
+ function _compareTextDefinition($current, $previous)
+ {
+ $change = array();
+ $previous_length = !empty($previous['length']) ? $previous['length'] : 0;
+ $length = !empty($current['length']) ? $current['length'] : 0;
+ if ($previous_length != $length) {
+ $change['length'] = true;
+ }
+ $previous_fixed = !empty($previous['fixed']) ? $previous['fixed'] : 0;
+ $fixed = !empty($current['fixed']) ? $current['fixed'] : 0;
+ if ($previous_fixed != $fixed) {
+ $change['fixed'] = true;
+ }
+ return $change;
+ }
+
+ // }}}
+ // {{{ _compareCLOBDefinition()
+
+ /**
+ * Obtain an array of changes that may need to applied to an CLOB field
+ *
+ * @param array $current new definition
+ * @param array $previous old definition
+ * @return array containing all changes that will need to be applied
+ * @access protected
+ */
+ function _compareCLOBDefinition($current, $previous)
+ {
+ return $this->_compareTextDefinition($current, $previous);
+ }
+
+ // }}}
+ // {{{ _compareBLOBDefinition()
+
+ /**
+ * Obtain an array of changes that may need to applied to an BLOB field
+ *
+ * @param array $current new definition
+ * @param array $previous old definition
+ * @return array containing all changes that will need to be applied
+ * @access protected
+ */
+ function _compareBLOBDefinition($current, $previous)
+ {
+ return $this->_compareTextDefinition($current, $previous);
+ }
+
+ // }}}
+ // {{{ _compareDateDefinition()
+
+ /**
+ * Obtain an array of changes that may need to applied to an date field
+ *
+ * @param array $current new definition
+ * @param array $previous old definition
+ * @return array containing all changes that will need to be applied
+ * @access protected
+ */
+ function _compareDateDefinition($current, $previous)
+ {
+ return array();
+ }
+
+ // }}}
+ // {{{ _compareTimeDefinition()
+
+ /**
+ * Obtain an array of changes that may need to applied to an time field
+ *
+ * @param array $current new definition
+ * @param array $previous old definition
+ * @return array containing all changes that will need to be applied
+ * @access protected
+ */
+ function _compareTimeDefinition($current, $previous)
+ {
+ return array();
+ }
+
+ // }}}
+ // {{{ _compareTimestampDefinition()
+
+ /**
+ * Obtain an array of changes that may need to applied to an timestamp field
+ *
+ * @param array $current new definition
+ * @param array $previous old definition
+ * @return array containing all changes that will need to be applied
+ * @access protected
+ */
+ function _compareTimestampDefinition($current, $previous)
+ {
+ return array();
+ }
+
+ // }}}
+ // {{{ _compareBooleanDefinition()
+
+ /**
+ * Obtain an array of changes that may need to applied to an boolean field
+ *
+ * @param array $current new definition
+ * @param array $previous old definition
+ * @return array containing all changes that will need to be applied
+ * @access protected
+ */
+ function _compareBooleanDefinition($current, $previous)
+ {
+ return array();
+ }
+
+ // }}}
+ // {{{ _compareFloatDefinition()
+
+ /**
+ * Obtain an array of changes that may need to applied to an float field
+ *
+ * @param array $current new definition
+ * @param array $previous old definition
+ * @return array containing all changes that will need to be applied
+ * @access protected
+ */
+ function _compareFloatDefinition($current, $previous)
+ {
+ return array();
+ }
+
+ // }}}
+ // {{{ _compareDecimalDefinition()
+
+ /**
+ * Obtain an array of changes that may need to applied to an decimal field
+ *
+ * @param array $current new definition
+ * @param array $previous old definition
+ * @return array containing all changes that will need to be applied
+ * @access protected
+ */
+ function _compareDecimalDefinition($current, $previous)
+ {
+ return array();
+ }
+
+ // }}}
+ // {{{ quote()
+
+ /**
+ * Convert a text value into a DBMS specific format that is suitable to
+ * compose query statements.
+ *
+ * @param string $value text string value that is intended to be converted.
+ * @param string $type type to which the value should be converted to
+ * @param bool $quote determines if the value should be quoted and escaped
+ * @param bool $escape_wildcards if to escape escape wildcards
+ * @return string text string that represents the given argument value in
+ * a DBMS specific format.
+ * @access public
+ */
+ function quote($value, $type = null, $quote = true, $escape_wildcards = false)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ if (is_null($value)
+ || ($value === '' && $db->options['portability'] & MDB2_PORTABILITY_EMPTY_TO_NULL)
+ ) {
+ if (!$quote) {
+ return null;
+ }
+ return 'NULL';
+ }
+
+ if (is_null($type)) {
+ switch (gettype($value)) {
+ case 'integer':
+ $type = 'integer';
+ break;
+ case 'double':
+ // todo: default to decimal as float is quite unusual
+ // $type = 'float';
+ $type = 'decimal';
+ break;
+ case 'boolean':
+ $type = 'boolean';
+ break;
+ case 'array':
+ $value = serialize($value);
+ case 'object':
+ $type = 'text';
+ break;
+ default:
+ if (preg_match('/^\d{4}-\d{2}-\d{2} \d{2}:\d{2}$/', $value)) {
+ $type = 'timestamp';
+ } elseif (preg_match('/^\d{2}:\d{2}$/', $value)) {
+ $type = 'time';
+ } elseif (preg_match('/^\d{4}-\d{2}-\d{2}$/', $value)) {
+ $type = 'date';
+ } else {
+ $type = 'text';
+ }
+ break;
+ }
+ } elseif (!empty($db->options['datatype_map'][$type])) {
+ $type = $db->options['datatype_map'][$type];
+ if (!empty($db->options['datatype_map_callback'][$type])) {
+ $parameter = array('type' => $type, 'value' => $value, 'quote' => $quote, 'escape_wildcards' => $escape_wildcards);
+ return call_user_func_array($db->options['datatype_map_callback'][$type], array(&$db, __FUNCTION__, $parameter));
+ }
+ }
+
+ if (!method_exists($this, "_quote{$type}")) {
+ return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'type not defined: '.$type, __FUNCTION__);
+ }
+ $value = $this->{"_quote{$type}"}($value, $quote, $escape_wildcards);
+ if ($quote && $escape_wildcards && $db->string_quoting['escape_pattern']
+ && $db->string_quoting['escape'] !== $db->string_quoting['escape_pattern']
+ ) {
+ $value.= $this->patternEscapeString();
+ }
+ return $value;
+ }
+
+ // }}}
+ // {{{ _quoteInteger()
+
+ /**
+ * Convert a text value into a DBMS specific format that is suitable to
+ * compose query statements.
+ *
+ * @param string $value text string value that is intended to be converted.
+ * @param bool $quote determines if the value should be quoted and escaped
+ * @param bool $escape_wildcards if to escape escape wildcards
+ * @return string text string that represents the given argument value in
+ * a DBMS specific format.
+ * @access protected
+ */
+ function _quoteInteger($value, $quote, $escape_wildcards)
+ {
+ return (int)$value;
+ }
+
+ // }}}
+ // {{{ _quoteText()
+
+ /**
+ * Convert a text value into a DBMS specific format that is suitable to
+ * compose query statements.
+ *
+ * @param string $value text string value that is intended to be converted.
+ * @param bool $quote determines if the value should be quoted and escaped
+ * @param bool $escape_wildcards if to escape escape wildcards
+ * @return string text string that already contains any DBMS specific
+ * escaped character sequences.
+ * @access protected
+ */
+ function _quoteText($value, $quote, $escape_wildcards)
+ {
+ if (!$quote) {
+ return $value;
+ }
+
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $value = $db->escape($value, $escape_wildcards);
+ if (PEAR::isError($value)) {
+ return $value;
+ }
+ return "'".$value."'";
+ }
+
+ // }}}
+ // {{{ _readFile()
+
+ /**
+ * Convert a text value into a DBMS specific format that is suitable to
+ * compose query statements.
+ *
+ * @param string $value text string value that is intended to be converted.
+ * @return string text string that represents the given argument value in
+ * a DBMS specific format.
+ * @access protected
+ */
+ function _readFile($value)
+ {
+ $close = false;
+ if (preg_match('/^(\w+:\/\/)(.*)$/', $value, $match)) {
+ $close = true;
+ if ($match[1] == 'file://') {
+ $value = $match[2];
+ }
+ $value = @fopen($value, 'r');
+ }
+
+ if (is_resource($value)) {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $fp = $value;
+ $value = '';
+ while (!@feof($fp)) {
+ $value.= @fread($fp, $db->options['lob_buffer_length']);
+ }
+ if ($close) {
+ @fclose($fp);
+ }
+ }
+
+ return $value;
+ }
+
+ // }}}
+ // {{{ _quoteLOB()
+
+ /**
+ * Convert a text value into a DBMS specific format that is suitable to
+ * compose query statements.
+ *
+ * @param string $value text string value that is intended to be converted.
+ * @param bool $quote determines if the value should be quoted and escaped
+ * @param bool $escape_wildcards if to escape escape wildcards
+ * @return string text string that represents the given argument value in
+ * a DBMS specific format.
+ * @access protected
+ */
+ function _quoteLOB($value, $quote, $escape_wildcards)
+ {
+ $value = $this->_readFile($value);
+ if (PEAR::isError($value)) {
+ return $value;
+ }
+ return $this->_quoteText($value, $quote, $escape_wildcards);
+ }
+
+ // }}}
+ // {{{ _quoteCLOB()
+
+ /**
+ * Convert a text value into a DBMS specific format that is suitable to
+ * compose query statements.
+ *
+ * @param string $value text string value that is intended to be converted.
+ * @param bool $quote determines if the value should be quoted and escaped
+ * @param bool $escape_wildcards if to escape escape wildcards
+ * @return string text string that represents the given argument value in
+ * a DBMS specific format.
+ * @access protected
+ */
+ function _quoteCLOB($value, $quote, $escape_wildcards)
+ {
+ return $this->_quoteLOB($value, $quote, $escape_wildcards);
+ }
+
+ // }}}
+ // {{{ _quoteBLOB()
+
+ /**
+ * Convert a text value into a DBMS specific format that is suitable to
+ * compose query statements.
+ *
+ * @param string $value text string value that is intended to be converted.
+ * @param bool $quote determines if the value should be quoted and escaped
+ * @param bool $escape_wildcards if to escape escape wildcards
+ * @return string text string that represents the given argument value in
+ * a DBMS specific format.
+ * @access protected
+ */
+ function _quoteBLOB($value, $quote, $escape_wildcards)
+ {
+ return $this->_quoteLOB($value, $quote, $escape_wildcards);
+ }
+
+ // }}}
+ // {{{ _quoteBoolean()
+
+ /**
+ * Convert a text value into a DBMS specific format that is suitable to
+ * compose query statements.
+ *
+ * @param string $value text string value that is intended to be converted.
+ * @param bool $quote determines if the value should be quoted and escaped
+ * @param bool $escape_wildcards if to escape escape wildcards
+ * @return string text string that represents the given argument value in
+ * a DBMS specific format.
+ * @access protected
+ */
+ function _quoteBoolean($value, $quote, $escape_wildcards)
+ {
+ return ($value ? 1 : 0);
+ }
+
+ // }}}
+ // {{{ _quoteDate()
+
+ /**
+ * Convert a text value into a DBMS specific format that is suitable to
+ * compose query statements.
+ *
+ * @param string $value text string value that is intended to be converted.
+ * @param bool $quote determines if the value should be quoted and escaped
+ * @param bool $escape_wildcards if to escape escape wildcards
+ * @return string text string that represents the given argument value in
+ * a DBMS specific format.
+ * @access protected
+ */
+ function _quoteDate($value, $quote, $escape_wildcards)
+ {
+ if ($value === 'CURRENT_DATE') {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+ if (isset($db->function) && is_a($db->function, 'MDB2_Driver_Function_Common')) {
+ return $db->function->now('date');
+ }
+ return 'CURRENT_DATE';
+ }
+ return $this->_quoteText($value, $quote, $escape_wildcards);
+ }
+
+ // }}}
+ // {{{ _quoteTimestamp()
+
+ /**
+ * Convert a text value into a DBMS specific format that is suitable to
+ * compose query statements.
+ *
+ * @param string $value text string value that is intended to be converted.
+ * @param bool $quote determines if the value should be quoted and escaped
+ * @param bool $escape_wildcards if to escape escape wildcards
+ * @return string text string that represents the given argument value in
+ * a DBMS specific format.
+ * @access protected
+ */
+ function _quoteTimestamp($value, $quote, $escape_wildcards)
+ {
+ if ($value === 'CURRENT_TIMESTAMP') {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+ if (isset($db->function) && is_a($db->function, 'MDB2_Driver_Function_Common')) {
+ return $db->function->now('timestamp');
+ }
+ return 'CURRENT_TIMESTAMP';
+ }
+ return $this->_quoteText($value, $quote, $escape_wildcards);
+ }
+
+ // }}}
+ // {{{ _quoteTime()
+
+ /**
+ * Convert a text value into a DBMS specific format that is suitable to
+ * compose query statements.
+ *
+ * @param string $value text string value that is intended to be converted.
+ * @param bool $quote determines if the value should be quoted and escaped
+ * @param bool $escape_wildcards if to escape escape wildcards
+ * @return string text string that represents the given argument value in
+ * a DBMS specific format.
+ * @access protected
+ */
+ function _quoteTime($value, $quote, $escape_wildcards)
+ {
+ if ($value === 'CURRENT_TIME') {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+ if (isset($db->function) && is_a($db->function, 'MDB2_Driver_Function_Common')) {
+ return $db->function->now('time');
+ }
+ return 'CURRENT_TIME';
+ }
+ return $this->_quoteText($value, $quote, $escape_wildcards);
+ }
+
+ // }}}
+ // {{{ _quoteFloat()
+
+ /**
+ * Convert a text value into a DBMS specific format that is suitable to
+ * compose query statements.
+ *
+ * @param string $value text string value that is intended to be converted.
+ * @param bool $quote determines if the value should be quoted and escaped
+ * @param bool $escape_wildcards if to escape escape wildcards
+ * @return string text string that represents the given argument value in
+ * a DBMS specific format.
+ * @access protected
+ */
+ function _quoteFloat($value, $quote, $escape_wildcards)
+ {
+ if (preg_match('/^(.*)e([-+])(\d+)$/i', $value, $matches)) {
+ $decimal = $this->_quoteDecimal($matches[1], $quote, $escape_wildcards);
+ $sign = $matches[2];
+ $exponent = str_pad($matches[3], 2, '0', STR_PAD_LEFT);
+ $value = $decimal.'E'.$sign.$exponent;
+ } else {
+ $value = $this->_quoteDecimal($value, $quote, $escape_wildcards);
+ }
+ return $value;
+ }
+
+ // }}}
+ // {{{ _quoteDecimal()
+
+ /**
+ * Convert a text value into a DBMS specific format that is suitable to
+ * compose query statements.
+ *
+ * @param string $value text string value that is intended to be converted.
+ * @param bool $quote determines if the value should be quoted and escaped
+ * @param bool $escape_wildcards if to escape escape wildcards
+ * @return string text string that represents the given argument value in
+ * a DBMS specific format.
+ * @access protected
+ */
+ function _quoteDecimal($value, $quote, $escape_wildcards)
+ {
+ $value = (string)$value;
+ $value = preg_replace('/[^\d\.,\-+eE]/', '', $value);
+ if (preg_match('/[^.0-9]/', $value)) {
+ if (strpos($value, ',')) {
+ // 1000,00
+ if (!strpos($value, '.')) {
+ // convert the last "," to a "."
+ $value = strrev(str_replace(',', '.', strrev($value)));
+ // 1.000,00
+ } elseif (strpos($value, '.') && strpos($value, '.') < strpos($value, ',')) {
+ $value = str_replace('.', '', $value);
+ // convert the last "," to a "."
+ $value = strrev(str_replace(',', '.', strrev($value)));
+ // 1,000.00
+ } else {
+ $value = str_replace(',', '', $value);
+ }
+ }
+ }
+ return $value;
+ }
+
+ // }}}
+ // {{{ writeLOBToFile()
+
+ /**
+ * retrieve LOB from the database
+ *
+ * @param resource $lob stream handle
+ * @param string $file name of the file into which the LOb should be fetched
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access protected
+ */
+ function writeLOBToFile($lob, $file)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ if (preg_match('/^(\w+:\/\/)(.*)$/', $file, $match)) {
+ if ($match[1] == 'file://') {
+ $file = $match[2];
+ }
+ }
+
+ $fp = @fopen($file, 'wb');
+ while (!@feof($lob)) {
+ $result = @fread($lob, $db->options['lob_buffer_length']);
+ $read = strlen($result);
+ if (@fwrite($fp, $result, $read) != $read) {
+ @fclose($fp);
+ return $db->raiseError(MDB2_ERROR, null, null,
+ 'could not write to the output file', __FUNCTION__);
+ }
+ }
+ @fclose($fp);
+ return MDB2_OK;
+ }
+
+ // }}}
+ // {{{ _retrieveLOB()
+
+ /**
+ * retrieve LOB from the database
+ *
+ * @param array $lob array
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access protected
+ */
+ function _retrieveLOB(&$lob)
+ {
+ if (is_null($lob['value'])) {
+ $lob['value'] = $lob['resource'];
+ }
+ $lob['loaded'] = true;
+ return MDB2_OK;
+ }
+
+ // }}}
+ // {{{ readLOB()
+
+ /**
+ * Read data from large object input stream.
+ *
+ * @param resource $lob stream handle
+ * @param string $data reference to a variable that will hold data
+ * to be read from the large object input stream
+ * @param integer $length value that indicates the largest ammount ofdata
+ * to be read from the large object input stream.
+ * @return mixed the effective number of bytes read from the large object
+ * input stream on sucess or an MDB2 error object.
+ * @access public
+ * @see endOfLOB()
+ */
+ function _readLOB($lob, $length)
+ {
+ return substr($lob['value'], $lob['position'], $length);
+ }
+
+ // }}}
+ // {{{ _endOfLOB()
+
+ /**
+ * Determine whether it was reached the end of the large object and
+ * therefore there is no more data to be read for the its input stream.
+ *
+ * @param array $lob array
+ * @return mixed true or false on success, a MDB2 error on failure
+ * @access protected
+ */
+ function _endOfLOB($lob)
+ {
+ return $lob['endOfLOB'];
+ }
+
+ // }}}
+ // {{{ destroyLOB()
+
+ /**
+ * Free any resources allocated during the lifetime of the large object
+ * handler object.
+ *
+ * @param resource $lob stream handle
+ * @access public
+ */
+ function destroyLOB($lob)
+ {
+ $lob_data = stream_get_meta_data($lob);
+ $lob_index = $lob_data['wrapper_data']->lob_index;
+ fclose($lob);
+ if (isset($this->lobs[$lob_index])) {
+ $this->_destroyLOB($this->lobs[$lob_index]);
+ unset($this->lobs[$lob_index]);
+ }
+ return MDB2_OK;
+ }
+
+ // }}}
+ // {{{ _destroyLOB()
+
+ /**
+ * Free any resources allocated during the lifetime of the large object
+ * handler object.
+ *
+ * @param array $lob array
+ * @access private
+ */
+ function _destroyLOB(&$lob)
+ {
+ return MDB2_OK;
+ }
+
+ // }}}
+ // {{{ implodeArray()
+
+ /**
+ * apply a type to all values of an array and return as a comma seperated string
+ * useful for generating IN statements
+ *
+ * @access public
+ *
+ * @param array $array data array
+ * @param string $type determines type of the field
+ *
+ * @return string comma seperated values
+ */
+ function implodeArray($array, $type = false)
+ {
+ if (!is_array($array) || empty($array)) {
+ return 'NULL';
+ }
+ if ($type) {
+ foreach ($array as $value) {
+ $return[] = $this->quote($value, $type);
+ }
+ } else {
+ $return = $array;
+ }
+ return implode(', ', $return);
+ }
+
+ // }}}
+ // {{{ matchPattern()
+
+ /**
+ * build a pattern matching string
+ *
+ * @access public
+ *
+ * @param array $pattern even keys are strings, odd are patterns (% and _)
+ * @param string $operator optional pattern operator (LIKE, ILIKE and maybe others in the future)
+ * @param string $field optional field name that is being matched against
+ * (might be required when emulating ILIKE)
+ *
+ * @return string SQL pattern
+ */
+ function matchPattern($pattern, $operator = null, $field = null)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $match = '';
+ if (!is_null($operator)) {
+ $operator = strtoupper($operator);
+ switch ($operator) {
+ // case insensitive
+ case 'ILIKE':
+ if (is_null($field)) {
+ return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'case insensitive LIKE matching requires passing the field name', __FUNCTION__);
+ }
+ $db->loadModule('Function', null, true);
+ $match = $db->function->lower($field).' LIKE ';
+ break;
+ // case sensitive
+ case 'LIKE':
+ $match = is_null($field) ? 'LIKE ' : $field.' LIKE ';
+ break;
+ default:
+ return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'not a supported operator type:'. $operator, __FUNCTION__);
+ }
+ }
+ $match.= "'";
+ foreach ($pattern as $key => $value) {
+ if ($key % 2) {
+ $match.= $value;
+ } else {
+ if ($operator === 'ILIKE') {
+ $value = strtolower($value);
+ }
+ $escaped = $db->escape($value);
+ if (PEAR::isError($escaped)) {
+ return $escaped;
+ }
+ $match.= $db->escapePattern($escaped);
+ }
+ }
+ $match.= "'";
+ $match.= $this->patternEscapeString();
+ return $match;
+ }
+
+ // }}}
+ // {{{ patternEscapeString()
+
+ /**
+ * build string to define pattern escape character
+ *
+ * @access public
+ *
+ * @return string define pattern escape character
+ */
+ function patternEscapeString()
+ {
+ return '';
+ }
+
+ // }}}
+ // {{{ mapNativeDatatype()
+
+ /**
+ * Maps a native array description of a field to a MDB2 datatype and length
+ *
+ * @param array $field native field description
+ * @return array containing the various possible types, length, sign, fixed
+ * @access public
+ */
+ function mapNativeDatatype($field)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ // If the user has specified an option to map the native field
+ // type to a custom MDB2 datatype...
+ $db_type = strtok($field['type'], '(), ');
+ if (!empty($db->options['nativetype_map_callback'][$db_type])) {
+ return call_user_func_array($db->options['nativetype_map_callback'][$db_type], array($db, $field));
+ }
+
+ // Otherwise perform the built-in (i.e. normal) MDB2 native type to
+ // MDB2 datatype conversion
+ return $this->_mapNativeDatatype($field);
+ }
+
+ // }}}
+ // {{{ _mapNativeDatatype()
+
+ /**
+ * Maps a native array description of a field to a MDB2 datatype and length
+ *
+ * @param array $field native field description
+ * @return array containing the various possible types, length, sign, fixed
+ * @access public
+ */
+ function _mapNativeDatatype($field)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'method not implemented', __FUNCTION__);
+ }
+
+ // }}}
+ // {{{ mapPrepareDatatype()
+
+ /**
+ * Maps an mdb2 datatype to mysqli prepare type
+ *
+ * @param string $type
+ * @return string
+ * @access public
+ */
+ function mapPrepareDatatype($type)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ if (!empty($db->options['datatype_map'][$type])) {
+ $type = $db->options['datatype_map'][$type];
+ if (!empty($db->options['datatype_map_callback'][$type])) {
+ $parameter = array('type' => $type);
+ return call_user_func_array($db->options['datatype_map_callback'][$type], array(&$db, __FUNCTION__, $parameter));
+ }
+ }
+
+ return $type;
+ }
+}
+?>
\ No newline at end of file diff --git a/program/lib/MDB2/Driver/Datatype/mssql.php b/program/lib/MDB2/Driver/Datatype/mssql.php new file mode 100644 index 000000000..4bdad8c57 --- /dev/null +++ b/program/lib/MDB2/Driver/Datatype/mssql.php @@ -0,0 +1,498 @@ +<?php
+// vim: set et ts=4 sw=4 fdm=marker:
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2007 Manuel Lemos, Tomas V.V.Cox, |
+// | Stig. S. Bakken, Lukas Smith |
+// | All rights reserved. |
+// +----------------------------------------------------------------------+
+// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB |
+// | API as well as database abstraction for PHP applications. |
+// | This LICENSE is in the BSD license style. |
+// | |
+// | Redistribution and use in source and binary forms, with or without |
+// | modification, are permitted provided that the following conditions |
+// | are met: |
+// | |
+// | Redistributions of source code must retain the above copyright |
+// | notice, this list of conditions and the following disclaimer. |
+// | |
+// | Redistributions in binary form must reproduce the above copyright |
+// | notice, this list of conditions and the following disclaimer in the |
+// | documentation and/or other materials provided with the distribution. |
+// | |
+// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, |
+// | Lukas Smith nor the names of his contributors may be used to endorse |
+// | or promote products derived from this software without specific prior|
+// | written permission. |
+// | |
+// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
+// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
+// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
+// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
+// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
+// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
+// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
+// | OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
+// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
+// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
+// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
+// | POSSIBILITY OF SUCH DAMAGE. |
+// +----------------------------------------------------------------------+
+// | Authors: Lukas Smith <smith@pooteeweet.org> |
+// | Daniel Convissor <danielc@php.net> |
+// +----------------------------------------------------------------------+
+//
+// $Id: mssql.php,v 1.59 2007/12/03 20:59:50 quipo Exp $
+//
+
+require_once 'MDB2/Driver/Datatype/Common.php';
+
+/**
+ * MDB2 MS SQL driver
+ *
+ * @package MDB2
+ * @category Database
+ * @author Lukas Smith <smith@pooteeweet.org>
+ */
+class MDB2_Driver_Datatype_mssql extends MDB2_Driver_Datatype_Common
+{
+ // {{{ _baseConvertResult()
+
+ /**
+ * general type conversion method
+ *
+ * @param mixed $value refernce to a value to be converted
+ * @param string $type specifies which type to convert to
+ * @param boolean $rtrim [optional] when TRUE [default], apply rtrim() to text
+ * @return object a MDB2 error on failure
+ * @access protected
+ */
+ function _baseConvertResult($value, $type, $rtrim = true)
+ {
+ if (is_null($value)) {
+ return null;
+ }
+ switch ($type) {
+ case 'boolean':
+ return $value == '1';
+ case 'date':
+ if (strlen($value) > 10) {
+ $value = substr($value,0,10);
+ }
+ return $value;
+ case 'time':
+ if (strlen($value) > 8) {
+ $value = substr($value,11,8);
+ }
+ return $value;
+ }
+ return parent::_baseConvertResult($value, $type, $rtrim);
+ }
+
+ // }}}
+ // {{{ _getCollationFieldDeclaration()
+
+ /**
+ * Obtain DBMS specific SQL code portion needed to set the COLLATION
+ * of a field declaration to be used in statements like CREATE TABLE.
+ *
+ * @param string $collation name of the collation
+ *
+ * @return string DBMS specific SQL code portion needed to set the COLLATION
+ * of a field declaration.
+ */
+ function _getCollationFieldDeclaration($collation)
+ {
+ return 'COLLATE '.$collation;
+ }
+
+ // }}}
+ // {{{ getTypeDeclaration()
+
+ /**
+ * Obtain DBMS specific SQL code portion needed to declare an text type
+ * field to be used in statements like CREATE TABLE.
+ *
+ * @param array $field associative array with the name of the properties
+ * of the field being declared as array indexes. Currently, the types
+ * of supported field properties are as follows:
+ *
+ * length
+ * Integer value that determines the maximum length of the text
+ * field. If this argument is missing the field should be
+ * declared to have the longest length allowed by the DBMS.
+ *
+ * default
+ * Text value to be used as default for this field.
+ *
+ * notnull
+ * Boolean flag that indicates whether this field is constrained
+ * to not be set to null.
+ * @return string DBMS specific SQL code portion that should be used to
+ * declare the specified field.
+ * @access public
+ */
+ function getTypeDeclaration($field)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ switch ($field['type']) {
+ case 'text':
+ $length = !empty($field['length'])
+ ? $field['length'] : false;
+ $fixed = !empty($field['fixed']) ? $field['fixed'] : false;
+ return $fixed ? ($length ? 'CHAR('.$length.')' : 'CHAR('.$db->options['default_text_field_length'].')')
+ : ($length ? 'VARCHAR('.$length.')' : 'TEXT');
+ case 'clob':
+ if (!empty($field['length'])) {
+ $length = $field['length'];
+ if ($length <= 8000) {
+ return 'VARCHAR('.$length.')';
+ }
+ }
+ return 'TEXT';
+ case 'blob':
+ if (!empty($field['length'])) {
+ $length = $field['length'];
+ if ($length <= 8000) {
+ return "VARBINARY($length)";
+ }
+ }
+ return 'IMAGE';
+ case 'integer':
+ return 'INT';
+ case 'boolean':
+ return 'BIT';
+ case 'date':
+ return 'CHAR ('.strlen('YYYY-MM-DD').')';
+ case 'time':
+ return 'CHAR ('.strlen('HH:MM:SS').')';
+ case 'timestamp':
+ return 'CHAR ('.strlen('YYYY-MM-DD HH:MM:SS').')';
+ case 'float':
+ return 'FLOAT';
+ case 'decimal':
+ $length = !empty($field['length']) ? $field['length'] : 18;
+ $scale = !empty($field['scale']) ? $field['scale'] : $db->options['decimal_places'];
+ return 'DECIMAL('.$length.','.$scale.')';
+ }
+ return '';
+ }
+
+ // }}}
+ // {{{ _getDeclaration()
+
+ /**
+ * Obtain DBMS specific SQL code portion needed to declare a generic type
+ * field to be used in statements like CREATE TABLE.
+ *
+ * @param string $name name the field to be declared.
+ * @param array $field associative array with the name of the properties
+ * of the field being declared as array indexes. Currently, the types
+ * of supported field properties are as follows:
+ *
+ * length
+ * Integer value that determines the maximum length of the text
+ * field. If this argument is missing the field should be
+ * declared to have the longest length allowed by the DBMS.
+ *
+ * default
+ * Text value to be used as default for this field.
+ *
+ * notnull
+ * Boolean flag that indicates whether this field is constrained
+ * to not be set to null.
+ * @return string DBMS specific SQL code portion that should be used to
+ * declare the specified field.
+ * @access protected
+ */
+ function _getDeclarationOptions($field)
+ {
+ $charset = empty($field['charset']) ? '' :
+ ' '.$this->_getCharsetFieldDeclaration($field['charset']);
+
+ $default = '';
+ if (array_key_exists('default', $field)) {
+ if ($field['default'] === '') {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+ $field['default'] = empty($field['notnull'])
+ ? null : $this->valid_default_values[$field['type']];
+ if ($field['default'] === ''
+ && ($db->options['portability'] & MDB2_PORTABILITY_EMPTY_TO_NULL)
+ ) {
+ $field['default'] = ' ';
+ }
+ }
+ $default = ' DEFAULT '.$this->quote($field['default'], $field['type']);
+ } elseif (empty($field['notnull'])) {
+ $default = ' DEFAULT NULL';
+ }
+
+ $notnull = empty($field['notnull']) ? ' NULL' : ' NOT NULL';
+ if ($default == ' DEFAULT NULL' && $notnull == ' NULL') {
+ $notnull = '';
+ }
+
+ $collation = empty($field['collation']) ? '' :
+ ' '.$this->_getCollationFieldDeclaration($field['collation']);
+ return $charset.$default.$notnull.$collation;
+ }
+
+ // }}}
+ // {{{ _getIntegerDeclaration()
+
+ /**
+ * Obtain DBMS specific SQL code portion needed to declare an integer type
+ * field to be used in statements like CREATE TABLE.
+ *
+ * @param string $name name the field to be declared.
+ * @param string $field associative array with the name of the properties
+ * of the field being declared as array indexes.
+ * Currently, the types of supported field
+ * properties are as follows:
+ *
+ * unsigned
+ * Boolean flag that indicates whether the field
+ * should be declared as unsigned integer if
+ * possible.
+ *
+ * default
+ * Integer value to be used as default for this
+ * field.
+ *
+ * notnull
+ * Boolean flag that indicates whether this field is
+ * constrained to not be set to null.
+ * @return string DBMS specific SQL code portion that should be used to
+ * declare the specified field.
+ * @access protected
+ */
+ function _getIntegerDeclaration($name, $field)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $default = $autoinc = '';;
+ if (!empty($field['autoincrement'])) {
+ $autoinc = ' IDENTITY PRIMARY KEY';
+ } elseif (array_key_exists('default', $field)) {
+ if ($field['default'] === '') {
+ $field['default'] = empty($field['notnull']) ? null : 0;
+ }
+ $default = ' DEFAULT '.$this->quote($field['default'], 'integer');
+ } elseif (empty($field['notnull'])) {
+ $default = ' DEFAULT NULL';
+ }
+
+ $notnull = empty($field['notnull']) ? ' NULL' : ' NOT NULL';
+ if ($default == ' DEFAULT NULL' && $notnull == ' NULL') {
+ $notnull = '';
+ }
+ if (!empty($field['unsigned'])) {
+ $db->warnings[] = "unsigned integer field \"$name\" is being declared as signed integer";
+ }
+ $name = $db->quoteIdentifier($name, true);
+ return $name.' '.$this->getTypeDeclaration($field).$default.$notnull.$autoinc;
+ }
+
+ // }}}
+ // {{{ _getCLOBDeclaration()
+
+ /**
+ * Obtain DBMS specific SQL code portion needed to declare an character
+ * large object type field to be used in statements like CREATE TABLE.
+ *
+ * @param string $name name the field to be declared.
+ * @param array $field associative array with the name of the properties
+ * of the field being declared as array indexes. Currently, the types
+ * of supported field properties are as follows:
+ *
+ * length
+ * Integer value that determines the maximum length of the large
+ * object field. If this argument is missing the field should be
+ * declared to have the longest length allowed by the DBMS.
+ *
+ * notnull
+ * Boolean flag that indicates whether this field is constrained
+ * to not be set to null.
+ * @return string DBMS specific SQL code portion that should be used to
+ * declare the specified field.
+ * @access public
+ */
+ function _getCLOBDeclaration($name, $field)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $notnull = empty($field['notnull']) ? ' NULL' : ' NOT NULL';
+ $name = $db->quoteIdentifier($name, true);
+ return $name.' '.$this->getTypeDeclaration($field).$notnull;
+ }
+
+ // }}}
+ // {{{ _getBLOBDeclaration()
+
+ /**
+ * Obtain DBMS specific SQL code portion needed to declare an binary large
+ * object type field to be used in statements like CREATE TABLE.
+ *
+ * @param string $name name the field to be declared.
+ * @param array $field associative array with the name of the properties
+ * of the field being declared as array indexes. Currently, the types
+ * of supported field properties are as follows:
+ *
+ * length
+ * Integer value that determines the maximum length of the large
+ * object field. If this argument is missing the field should be
+ * declared to have the longest length allowed by the DBMS.
+ *
+ * notnull
+ * Boolean flag that indicates whether this field is constrained
+ * to not be set to null.
+ * @return string DBMS specific SQL code portion that should be used to
+ * declare the specified field.
+ * @access protected
+ */
+ function _getBLOBDeclaration($name, $field)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $notnull = empty($field['notnull']) ? ' NULL' : ' NOT NULL';
+ $name = $db->quoteIdentifier($name, true);
+ return $name.' '.$this->getTypeDeclaration($field).$notnull;
+ }
+
+ // }}}
+ // {{{ _quoteBLOB()
+
+ /**
+ * Convert a text value into a DBMS specific format that is suitable to
+ * compose query statements.
+ *
+ * @param string $value text string value that is intended to be converted.
+ * @param bool $quote determines if the value should be quoted and escaped
+ * @param bool $escape_wildcards if to escape escape wildcards
+ * @return string text string that represents the given argument value in
+ * a DBMS specific format.
+ * @access protected
+ */
+ function _quoteBLOB($value, $quote, $escape_wildcards)
+ {
+ if (!$quote) {
+ return $value;
+ }
+ $value = bin2hex("0x".$this->_readFile($value));
+ return $value;
+ }
+
+ // }}}
+ // {{{ _mapNativeDatatype()
+
+ /**
+ * Maps a native array description of a field to a MDB2 datatype and length
+ *
+ * @param array $field native field description
+ * @return array containing the various possible types, length, sign, fixed
+ * @access public
+ */
+ function _mapNativeDatatype($field)
+ {
+ // todo: handle length of various int variations
+ $db_type = preg_replace('/\d/', '', strtolower($field['type']));
+ $length = $field['length'];
+ $type = array();
+ // todo: unsigned handling seems to be missing
+ $unsigned = $fixed = null;
+ switch ($db_type) {
+ case 'bit':
+ $type[0] = 'boolean';
+ break;
+ case 'tinyint':
+ $type[0] = 'integer';
+ $length = 1;
+ break;
+ case 'smallint':
+ $type[0] = 'integer';
+ $length = 2;
+ break;
+ case 'int':
+ $type[0] = 'integer';
+ $length = 4;
+ break;
+ case 'bigint':
+ $type[0] = 'integer';
+ $length = 8;
+ break;
+ case 'datetime':
+ $type[0] = 'timestamp';
+ break;
+ case 'float':
+ case 'real':
+ case 'numeric':
+ $type[0] = 'float';
+ break;
+ case 'decimal':
+ case 'money':
+ $type[0] = 'decimal';
+ $length = $field['numeric_precision'].','.$field['numeric_scale'];
+ break;
+ case 'text':
+ case 'ntext':
+ case 'varchar':
+ case 'nvarchar':
+ $fixed = false;
+ case 'char':
+ case 'nchar':
+ $type[0] = 'text';
+ if ($length == '1') {
+ $type[] = 'boolean';
+ if (preg_match('/^(is|has)/', $field['name'])) {
+ $type = array_reverse($type);
+ }
+ } elseif (strstr($db_type, 'text')) {
+ $type[] = 'clob';
+ $type = array_reverse($type);
+ }
+ if ($fixed !== false) {
+ $fixed = true;
+ }
+ break;
+ case 'image':
+ case 'varbinary':
+ $type[] = 'blob';
+ $length = null;
+ break;
+ default:
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+ return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'unknown database attribute type: '.$db_type, __FUNCTION__);
+ }
+
+ if ((int)$length <= 0) {
+ $length = null;
+ }
+
+ return array($type, $length, $unsigned, $fixed);
+ }
+ // }}}
+}
+
+?>
\ No newline at end of file diff --git a/program/lib/MDB2/Driver/Datatype/mysql.php b/program/lib/MDB2/Driver/Datatype/mysql.php new file mode 100644 index 000000000..388d0b2b4 --- /dev/null +++ b/program/lib/MDB2/Driver/Datatype/mysql.php @@ -0,0 +1,466 @@ +<?php
+// vim: set et ts=4 sw=4 fdm=marker:
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2007 Manuel Lemos, Tomas V.V.Cox, |
+// | Stig. S. Bakken, Lukas Smith |
+// | All rights reserved. |
+// +----------------------------------------------------------------------+
+// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB |
+// | API as well as database abstraction for PHP applications. |
+// | This LICENSE is in the BSD license style. |
+// | |
+// | Redistribution and use in source and binary forms, with or without |
+// | modification, are permitted provided that the following conditions |
+// | are met: |
+// | |
+// | Redistributions of source code must retain the above copyright |
+// | notice, this list of conditions and the following disclaimer. |
+// | |
+// | Redistributions in binary form must reproduce the above copyright |
+// | notice, this list of conditions and the following disclaimer in the |
+// | documentation and/or other materials provided with the distribution. |
+// | |
+// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, |
+// | Lukas Smith nor the names of his contributors may be used to endorse |
+// | or promote products derived from this software without specific prior|
+// | written permission. |
+// | |
+// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
+// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
+// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
+// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
+// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
+// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
+// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
+// | OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
+// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
+// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
+// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
+// | POSSIBILITY OF SUCH DAMAGE. |
+// +----------------------------------------------------------------------+
+// | Author: Lukas Smith <smith@pooteeweet.org> |
+// +----------------------------------------------------------------------+
+//
+// $Id: mysql.php,v 1.62 2007/11/09 20:54:58 quipo Exp $
+//
+
+require_once 'MDB2/Driver/Datatype/Common.php';
+
+/**
+ * MDB2 MySQL driver
+ *
+ * @package MDB2
+ * @category Database
+ * @author Lukas Smith <smith@pooteeweet.org>
+ */
+class MDB2_Driver_Datatype_mysql extends MDB2_Driver_Datatype_Common
+{
+ // {{{ _getCharsetFieldDeclaration()
+
+ /**
+ * Obtain DBMS specific SQL code portion needed to set the CHARACTER SET
+ * of a field declaration to be used in statements like CREATE TABLE.
+ *
+ * @param string $charset name of the charset
+ * @return string DBMS specific SQL code portion needed to set the CHARACTER SET
+ * of a field declaration.
+ */
+ function _getCharsetFieldDeclaration($charset)
+ {
+ return 'CHARACTER SET '.$charset;
+ }
+
+ // }}}
+ // {{{ _getCollationFieldDeclaration()
+
+ /**
+ * Obtain DBMS specific SQL code portion needed to set the COLLATION
+ * of a field declaration to be used in statements like CREATE TABLE.
+ *
+ * @param string $collation name of the collation
+ * @return string DBMS specific SQL code portion needed to set the COLLATION
+ * of a field declaration.
+ */
+ function _getCollationFieldDeclaration($collation)
+ {
+ return 'COLLATE '.$collation;
+ }
+
+ // }}}
+ // {{{ getTypeDeclaration()
+
+ /**
+ * Obtain DBMS specific SQL code portion needed to declare an text type
+ * field to be used in statements like CREATE TABLE.
+ *
+ * @param array $field associative array with the name of the properties
+ * of the field being declared as array indexes. Currently, the types
+ * of supported field properties are as follows:
+ *
+ * length
+ * Integer value that determines the maximum length of the text
+ * field. If this argument is missing the field should be
+ * declared to have the longest length allowed by the DBMS.
+ *
+ * default
+ * Text value to be used as default for this field.
+ *
+ * notnull
+ * Boolean flag that indicates whether this field is constrained
+ * to not be set to null.
+ * @return string DBMS specific SQL code portion that should be used to
+ * declare the specified field.
+ * @access public
+ */
+ function getTypeDeclaration($field)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ switch ($field['type']) {
+ case 'text':
+ if (empty($field['length']) && array_key_exists('default', $field)) {
+ $field['length'] = $db->varchar_max_length;
+ }
+ $length = !empty($field['length']) ? $field['length'] : false;
+ $fixed = !empty($field['fixed']) ? $field['fixed'] : false;
+ return $fixed ? ($length ? 'CHAR('.$length.')' : 'CHAR(255)')
+ : ($length ? 'VARCHAR('.$length.')' : 'TEXT');
+ case 'clob':
+ if (!empty($field['length'])) {
+ $length = $field['length'];
+ if ($length <= 255) {
+ return 'TINYTEXT';
+ } elseif ($length <= 65532) {
+ return 'TEXT';
+ } elseif ($length <= 16777215) {
+ return 'MEDIUMTEXT';
+ }
+ }
+ return 'LONGTEXT';
+ case 'blob':
+ if (!empty($field['length'])) {
+ $length = $field['length'];
+ if ($length <= 255) {
+ return 'TINYBLOB';
+ } elseif ($length <= 65532) {
+ return 'BLOB';
+ } elseif ($length <= 16777215) {
+ return 'MEDIUMBLOB';
+ }
+ }
+ return 'LONGBLOB';
+ case 'integer':
+ if (!empty($field['length'])) {
+ $length = $field['length'];
+ if ($length <= 1) {
+ return 'TINYINT';
+ } elseif ($length == 2) {
+ return 'SMALLINT';
+ } elseif ($length == 3) {
+ return 'MEDIUMINT';
+ } elseif ($length == 4) {
+ return 'INT';
+ } elseif ($length > 4) {
+ return 'BIGINT';
+ }
+ }
+ return 'INT';
+ case 'boolean':
+ return 'TINYINT(1)';
+ case 'date':
+ return 'DATE';
+ case 'time':
+ return 'TIME';
+ case 'timestamp':
+ return 'DATETIME';
+ case 'float':
+ return 'DOUBLE';
+ case 'decimal':
+ $length = !empty($field['length']) ? $field['length'] : 18;
+ $scale = !empty($field['scale']) ? $field['scale'] : $db->options['decimal_places'];
+ return 'DECIMAL('.$length.','.$scale.')';
+ }
+ return '';
+ }
+
+ // }}}
+ // {{{ _getIntegerDeclaration()
+
+ /**
+ * Obtain DBMS specific SQL code portion needed to declare an integer type
+ * field to be used in statements like CREATE TABLE.
+ *
+ * @param string $name name the field to be declared.
+ * @param string $field associative array with the name of the properties
+ * of the field being declared as array indexes.
+ * Currently, the types of supported field
+ * properties are as follows:
+ *
+ * unsigned
+ * Boolean flag that indicates whether the field
+ * should be declared as unsigned integer if
+ * possible.
+ *
+ * default
+ * Integer value to be used as default for this
+ * field.
+ *
+ * notnull
+ * Boolean flag that indicates whether this field is
+ * constrained to not be set to null.
+ * @return string DBMS specific SQL code portion that should be used to
+ * declare the specified field.
+ * @access protected
+ */
+ function _getIntegerDeclaration($name, $field)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $default = $autoinc = '';
+ if (!empty($field['autoincrement'])) {
+ $autoinc = ' AUTO_INCREMENT PRIMARY KEY';
+ } elseif (array_key_exists('default', $field)) {
+ if ($field['default'] === '') {
+ $field['default'] = empty($field['notnull']) ? null : 0;
+ }
+ $default = ' DEFAULT '.$this->quote($field['default'], 'integer');
+ } elseif (empty($field['notnull'])) {
+ $default = ' DEFAULT NULL';
+ }
+
+ $notnull = empty($field['notnull']) ? '' : ' NOT NULL';
+ $unsigned = empty($field['unsigned']) ? '' : ' UNSIGNED';
+ $name = $db->quoteIdentifier($name, true);
+ return $name.' '.$this->getTypeDeclaration($field).$unsigned.$default.$notnull.$autoinc;
+ }
+
+ // }}}
+ // {{{ matchPattern()
+
+ /**
+ * build a pattern matching string
+ *
+ * @access public
+ *
+ * @param array $pattern even keys are strings, odd are patterns (% and _)
+ * @param string $operator optional pattern operator (LIKE, ILIKE and maybe others in the future)
+ * @param string $field optional field name that is being matched against
+ * (might be required when emulating ILIKE)
+ *
+ * @return string SQL pattern
+ */
+ function matchPattern($pattern, $operator = null, $field = null)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $match = '';
+ if (!is_null($operator)) {
+ $field = is_null($field) ? '' : $field.' ';
+ $operator = strtoupper($operator);
+ switch ($operator) {
+ // case insensitive
+ case 'ILIKE':
+ $match = $field.'LIKE ';
+ break;
+ // case sensitive
+ case 'LIKE':
+ $match = $field.'LIKE BINARY ';
+ break;
+ default:
+ return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'not a supported operator type:'. $operator, __FUNCTION__);
+ }
+ }
+ $match.= "'";
+ foreach ($pattern as $key => $value) {
+ if ($key % 2) {
+ $match.= $value;
+ } else {
+ $match.= $db->escapePattern($db->escape($value));
+ }
+ }
+ $match.= "'";
+ $match.= $this->patternEscapeString();
+ return $match;
+ }
+
+ // }}}
+ // {{{ _mapNativeDatatype()
+
+ /**
+ * Maps a native array description of a field to a MDB2 datatype and length
+ *
+ * @param array $field native field description
+ * @return array containing the various possible types, length, sign, fixed
+ * @access public
+ */
+ function _mapNativeDatatype($field)
+ {
+ $db_type = strtolower($field['type']);
+ $db_type = strtok($db_type, '(), ');
+ if ($db_type == 'national') {
+ $db_type = strtok('(), ');
+ }
+ if (!empty($field['length'])) {
+ $length = strtok($field['length'], ', ');
+ $decimal = strtok(', ');
+ } else {
+ $length = strtok('(), ');
+ $decimal = strtok('(), ');
+ }
+ $type = array();
+ $unsigned = $fixed = null;
+ switch ($db_type) {
+ case 'tinyint':
+ $type[] = 'integer';
+ $type[] = 'boolean';
+ if (preg_match('/^(is|has)/', $field['name'])) {
+ $type = array_reverse($type);
+ }
+ $unsigned = preg_match('/ unsigned/i', $field['type']);
+ $length = 1;
+ break;
+ case 'smallint':
+ $type[] = 'integer';
+ $unsigned = preg_match('/ unsigned/i', $field['type']);
+ $length = 2;
+ break;
+ case 'mediumint':
+ $type[] = 'integer';
+ $unsigned = preg_match('/ unsigned/i', $field['type']);
+ $length = 3;
+ break;
+ case 'int':
+ case 'integer':
+ $type[] = 'integer';
+ $unsigned = preg_match('/ unsigned/i', $field['type']);
+ $length = 4;
+ break;
+ case 'bigint':
+ $type[] = 'integer';
+ $unsigned = preg_match('/ unsigned/i', $field['type']);
+ $length = 8;
+ break;
+ case 'tinytext':
+ case 'mediumtext':
+ case 'longtext':
+ case 'text':
+ case 'varchar':
+ $fixed = false;
+ case 'string':
+ case 'char':
+ $type[] = 'text';
+ if ($length == '1') {
+ $type[] = 'boolean';
+ if (preg_match('/^(is|has)/', $field['name'])) {
+ $type = array_reverse($type);
+ }
+ } elseif (strstr($db_type, 'text')) {
+ $type[] = 'clob';
+ if ($decimal == 'binary') {
+ $type[] = 'blob';
+ }
+ $type = array_reverse($type);
+ }
+ if ($fixed !== false) {
+ $fixed = true;
+ }
+ break;
+ case 'enum':
+ $type[] = 'text';
+ preg_match_all('/\'.+\'/U', $field['type'], $matches);
+ $length = 0;
+ $fixed = false;
+ if (is_array($matches)) {
+ foreach ($matches[0] as $value) {
+ $length = max($length, strlen($value)-2);
+ }
+ if ($length == '1' && count($matches[0]) == 2) {
+ $type[] = 'boolean';
+ if (preg_match('/^(is|has)/', $field['name'])) {
+ $type = array_reverse($type);
+ }
+ }
+ }
+ $type[] = 'integer';
+ case 'set':
+ $fixed = false;
+ $type[] = 'text';
+ $type[] = 'integer';
+ break;
+ case 'date':
+ $type[] = 'date';
+ $length = null;
+ break;
+ case 'datetime':
+ case 'timestamp':
+ $type[] = 'timestamp';
+ $length = null;
+ break;
+ case 'time':
+ $type[] = 'time';
+ $length = null;
+ break;
+ case 'float':
+ case 'double':
+ case 'real':
+ $type[] = 'float';
+ $unsigned = preg_match('/ unsigned/i', $field['type']);
+ break;
+ case 'unknown':
+ case 'decimal':
+ case 'numeric':
+ $type[] = 'decimal';
+ $unsigned = preg_match('/ unsigned/i', $field['type']);
+ if ($decimal !== false) {
+ $length = $length.','.$decimal;
+ }
+ break;
+ case 'tinyblob':
+ case 'mediumblob':
+ case 'longblob':
+ case 'blob':
+ $type[] = 'blob';
+ $length = null;
+ break;
+ case 'binary':
+ case 'varbinary':
+ $type[] = 'blob';
+ break;
+ case 'year':
+ $type[] = 'integer';
+ $type[] = 'date';
+ $length = null;
+ break;
+ default:
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'unknown database attribute type: '.$db_type, __FUNCTION__);
+ }
+
+ if ((int)$length <= 0) {
+ $length = null;
+ }
+
+ return array($type, $length, $unsigned, $fixed);
+ }
+
+ // }}}
+}
+
+?>
\ No newline at end of file diff --git a/program/lib/MDB2/Driver/Datatype/mysqli.php b/program/lib/MDB2/Driver/Datatype/mysqli.php new file mode 100644 index 000000000..40f70f24a --- /dev/null +++ b/program/lib/MDB2/Driver/Datatype/mysqli.php @@ -0,0 +1,504 @@ +<?php
+// vim: set et ts=4 sw=4 fdm=marker:
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2007 Manuel Lemos, Tomas V.V.Cox, |
+// | Stig. S. Bakken, Lukas Smith |
+// | All rights reserved. |
+// +----------------------------------------------------------------------+
+// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB |
+// | API as well as database abstraction for PHP applications. |
+// | This LICENSE is in the BSD license style. |
+// | |
+// | Redistribution and use in source and binary forms, with or without |
+// | modification, are permitted provided that the following conditions |
+// | are met: |
+// | |
+// | Redistributions of source code must retain the above copyright |
+// | notice, this list of conditions and the following disclaimer. |
+// | |
+// | Redistributions in binary form must reproduce the above copyright |
+// | notice, this list of conditions and the following disclaimer in the |
+// | documentation and/or other materials provided with the distribution. |
+// | |
+// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, |
+// | Lukas Smith nor the names of his contributors may be used to endorse |
+// | or promote products derived from this software without specific prior|
+// | written permission. |
+// | |
+// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
+// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
+// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
+// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
+// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
+// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
+// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
+// | OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
+// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
+// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
+// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
+// | POSSIBILITY OF SUCH DAMAGE. |
+// +----------------------------------------------------------------------+
+// | Author: Lukas Smith <smith@pooteeweet.org> |
+// +----------------------------------------------------------------------+
+//
+// $Id: mysqli.php,v 1.61 2007/11/09 20:54:58 quipo Exp $
+//
+
+require_once 'MDB2/Driver/Datatype/Common.php';
+
+/**
+ * MDB2 MySQLi driver
+ *
+ * @package MDB2
+ * @category Database
+ * @author Lukas Smith <smith@pooteeweet.org>
+ */
+class MDB2_Driver_Datatype_mysqli extends MDB2_Driver_Datatype_Common
+{
+ // {{{ _getCharsetFieldDeclaration()
+
+ /**
+ * Obtain DBMS specific SQL code portion needed to set the CHARACTER SET
+ * of a field declaration to be used in statements like CREATE TABLE.
+ *
+ * @param string $charset name of the charset
+ * @return string DBMS specific SQL code portion needed to set the CHARACTER SET
+ * of a field declaration.
+ */
+ function _getCharsetFieldDeclaration($charset)
+ {
+ return 'CHARACTER SET '.$charset;
+ }
+
+ // }}}
+ // {{{ _getCollationFieldDeclaration()
+
+ /**
+ * Obtain DBMS specific SQL code portion needed to set the COLLATION
+ * of a field declaration to be used in statements like CREATE TABLE.
+ *
+ * @param string $collation name of the collation
+ * @return string DBMS specific SQL code portion needed to set the COLLATION
+ * of a field declaration.
+ */
+ function _getCollationFieldDeclaration($collation)
+ {
+ return 'COLLATE '.$collation;
+ }
+
+ // }}}
+ // {{{ getTypeDeclaration()
+
+ /**
+ * Obtain DBMS specific SQL code portion needed to declare an text type
+ * field to be used in statements like CREATE TABLE.
+ *
+ * @param array $field associative array with the name of the properties
+ * of the field being declared as array indexes. Currently, the types
+ * of supported field properties are as follows:
+ *
+ * length
+ * Integer value that determines the maximum length of the text
+ * field. If this argument is missing the field should be
+ * declared to have the longest length allowed by the DBMS.
+ *
+ * default
+ * Text value to be used as default for this field.
+ *
+ * notnull
+ * Boolean flag that indicates whether this field is constrained
+ * to not be set to null.
+ * @return string DBMS specific SQL code portion that should be used to
+ * declare the specified field.
+ * @access public
+ */
+ function getTypeDeclaration($field)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ switch ($field['type']) {
+ case 'text':
+ if (empty($field['length']) && array_key_exists('default', $field)) {
+ $field['length'] = $db->varchar_max_length;
+ }
+ $length = !empty($field['length']) ? $field['length'] : false;
+ $fixed = !empty($field['fixed']) ? $field['fixed'] : false;
+ return $fixed ? ($length ? 'CHAR('.$length.')' : 'CHAR(255)')
+ : ($length ? 'VARCHAR('.$length.')' : 'TEXT');
+ case 'clob':
+ if (!empty($field['length'])) {
+ $length = $field['length'];
+ if ($length <= 255) {
+ return 'TINYTEXT';
+ } elseif ($length <= 65532) {
+ return 'TEXT';
+ } elseif ($length <= 16777215) {
+ return 'MEDIUMTEXT';
+ }
+ }
+ return 'LONGTEXT';
+ case 'blob':
+ if (!empty($field['length'])) {
+ $length = $field['length'];
+ if ($length <= 255) {
+ return 'TINYBLOB';
+ } elseif ($length <= 65532) {
+ return 'BLOB';
+ } elseif ($length <= 16777215) {
+ return 'MEDIUMBLOB';
+ }
+ }
+ return 'LONGBLOB';
+ case 'integer':
+ if (!empty($field['length'])) {
+ $length = $field['length'];
+ if ($length <= 1) {
+ return 'TINYINT';
+ } elseif ($length == 2) {
+ return 'SMALLINT';
+ } elseif ($length == 3) {
+ return 'MEDIUMINT';
+ } elseif ($length == 4) {
+ return 'INT';
+ } elseif ($length > 4) {
+ return 'BIGINT';
+ }
+ }
+ return 'INT';
+ case 'boolean':
+ return 'TINYINT(1)';
+ case 'date':
+ return 'DATE';
+ case 'time':
+ return 'TIME';
+ case 'timestamp':
+ return 'DATETIME';
+ case 'float':
+ return 'DOUBLE';
+ case 'decimal':
+ $length = !empty($field['length']) ? $field['length'] : 18;
+ $scale = !empty($field['scale']) ? $field['scale'] : $db->options['decimal_places'];
+ return 'DECIMAL('.$length.','.$scale.')';
+ }
+ return '';
+ }
+
+ // }}}
+ // {{{ _getIntegerDeclaration()
+
+ /**
+ * Obtain DBMS specific SQL code portion needed to declare an integer type
+ * field to be used in statements like CREATE TABLE.
+ *
+ * @param string $name name the field to be declared.
+ * @param string $field associative array with the name of the properties
+ * of the field being declared as array indexes.
+ * Currently, the types of supported field
+ * properties are as follows:
+ *
+ * unsigned
+ * Boolean flag that indicates whether the field
+ * should be declared as unsigned integer if
+ * possible.
+ *
+ * default
+ * Integer value to be used as default for this
+ * field.
+ *
+ * notnull
+ * Boolean flag that indicates whether this field is
+ * constrained to not be set to null.
+ * @return string DBMS specific SQL code portion that should be used to
+ * declare the specified field.
+ * @access protected
+ */
+ function _getIntegerDeclaration($name, $field)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $default = $autoinc = '';
+ if (!empty($field['autoincrement'])) {
+ $autoinc = ' AUTO_INCREMENT PRIMARY KEY';
+ } elseif (array_key_exists('default', $field)) {
+ if ($field['default'] === '') {
+ $field['default'] = empty($field['notnull']) ? null : 0;
+ }
+ $default = ' DEFAULT '.$this->quote($field['default'], 'integer');
+ } elseif (empty($field['notnull'])) {
+ $default = ' DEFAULT NULL';
+ }
+
+ $notnull = empty($field['notnull']) ? '' : ' NOT NULL';
+ $unsigned = empty($field['unsigned']) ? '' : ' UNSIGNED';
+ $name = $db->quoteIdentifier($name, true);
+ return $name.' '.$this->getTypeDeclaration($field).$unsigned.$default.$notnull.$autoinc;
+ }
+
+ // }}}
+ // {{{ matchPattern()
+
+ /**
+ * build a pattern matching string
+ *
+ * @access public
+ *
+ * @param array $pattern even keys are strings, odd are patterns (% and _)
+ * @param string $operator optional pattern operator (LIKE, ILIKE and maybe others in the future)
+ * @param string $field optional field name that is being matched against
+ * (might be required when emulating ILIKE)
+ *
+ * @return string SQL pattern
+ */
+ function matchPattern($pattern, $operator = null, $field = null)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $match = '';
+ if (!is_null($operator)) {
+ $field = is_null($field) ? '' : $field.' ';
+ $operator = strtoupper($operator);
+ switch ($operator) {
+ // case insensitive
+ case 'ILIKE':
+ $match = $field.'LIKE ';
+ break;
+ // case sensitive
+ case 'LIKE':
+ $match = $field.'LIKE BINARY ';
+ break;
+ default:
+ return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'not a supported operator type:'. $operator, __FUNCTION__);
+ }
+ }
+ $match.= "'";
+ foreach ($pattern as $key => $value) {
+ if ($key % 2) {
+ $match.= $value;
+ } else {
+ $match.= $db->escapePattern($db->escape($value));
+ }
+ }
+ $match.= "'";
+ $match.= $this->patternEscapeString();
+ return $match;
+ }
+
+ // }}}
+ // {{{ _mapNativeDatatype()
+
+ /**
+ * Maps a native array description of a field to a MDB2 datatype and length
+ *
+ * @param array $field native field description
+ * @return array containing the various possible types, length, sign, fixed
+ * @access public
+ */
+ function _mapNativeDatatype($field)
+ {
+ $db_type = strtolower($field['type']);
+ $db_type = strtok($db_type, '(), ');
+ if ($db_type == 'national') {
+ $db_type = strtok('(), ');
+ }
+ if (!empty($field['length'])) {
+ $length = strtok($field['length'], ', ');
+ $decimal = strtok(', ');
+ } else {
+ $length = strtok('(), ');
+ $decimal = strtok('(), ');
+ }
+ $type = array();
+ $unsigned = $fixed = null;
+ switch ($db_type) {
+ case 'tinyint':
+ $type[] = 'integer';
+ $type[] = 'boolean';
+ if (preg_match('/^(is|has)/', $field['name'])) {
+ $type = array_reverse($type);
+ }
+ $unsigned = preg_match('/ unsigned/i', $field['type']);
+ $length = 1;
+ break;
+ case 'smallint':
+ $type[] = 'integer';
+ $unsigned = preg_match('/ unsigned/i', $field['type']);
+ $length = 2;
+ break;
+ case 'mediumint':
+ $type[] = 'integer';
+ $unsigned = preg_match('/ unsigned/i', $field['type']);
+ $length = 3;
+ break;
+ case 'int':
+ case 'integer':
+ $type[] = 'integer';
+ $unsigned = preg_match('/ unsigned/i', $field['type']);
+ $length = 4;
+ break;
+ case 'bigint':
+ $type[] = 'integer';
+ $unsigned = preg_match('/ unsigned/i', $field['type']);
+ $length = 8;
+ break;
+ case 'tinytext':
+ case 'mediumtext':
+ case 'longtext':
+ case 'text':
+ case 'text':
+ case 'varchar':
+ $fixed = false;
+ case 'string':
+ case 'char':
+ $type[] = 'text';
+ if ($length == '1') {
+ $type[] = 'boolean';
+ if (preg_match('/^(is|has)/', $field['name'])) {
+ $type = array_reverse($type);
+ }
+ } elseif (strstr($db_type, 'text')) {
+ $type[] = 'clob';
+ if ($decimal == 'binary') {
+ $type[] = 'blob';
+ }
+ $type = array_reverse($type);
+ }
+ if ($fixed !== false) {
+ $fixed = true;
+ }
+ break;
+ case 'enum':
+ $type[] = 'text';
+ preg_match_all('/\'.+\'/U', $field['type'], $matches);
+ $length = 0;
+ $fixed = false;
+ if (is_array($matches)) {
+ foreach ($matches[0] as $value) {
+ $length = max($length, strlen($value)-2);
+ }
+ if ($length == '1' && count($matches[0]) == 2) {
+ $type[] = 'boolean';
+ if (preg_match('/^(is|has)/', $field['name'])) {
+ $type = array_reverse($type);
+ }
+ }
+ }
+ $type[] = 'integer';
+ case 'set':
+ $fixed = false;
+ $type[] = 'text';
+ $type[] = 'integer';
+ break;
+ case 'date':
+ $type[] = 'date';
+ $length = null;
+ break;
+ case 'datetime':
+ case 'timestamp':
+ $type[] = 'timestamp';
+ $length = null;
+ break;
+ case 'time':
+ $type[] = 'time';
+ $length = null;
+ break;
+ case 'float':
+ case 'double':
+ case 'real':
+ $type[] = 'float';
+ $unsigned = preg_match('/ unsigned/i', $field['type']);
+ break;
+ case 'unknown':
+ case 'decimal':
+ case 'numeric':
+ $type[] = 'decimal';
+ $unsigned = preg_match('/ unsigned/i', $field['type']);
+ if ($decimal !== false) {
+ $length = $length.','.$decimal;
+ }
+ break;
+ case 'tinyblob':
+ case 'mediumblob':
+ case 'longblob':
+ case 'blob':
+ $type[] = 'blob';
+ $length = null;
+ break;
+ case 'binary':
+ case 'varbinary':
+ $type[] = 'blob';
+ break;
+ case 'year':
+ $type[] = 'integer';
+ $type[] = 'date';
+ $length = null;
+ break;
+ default:
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'unknown database attribute type: '.$db_type, __FUNCTION__);
+ }
+
+ if ((int)$length <= 0) {
+ $length = null;
+ }
+
+ return array($type, $length, $unsigned, $fixed);
+ }
+
+ // }}}
+ // {{{ mapPrepareDatatype()
+
+ /**
+ * Maps an MDB2 datatype to native prepare type
+ *
+ * @param string $type
+ * @return string
+ * @access public
+ */
+ function mapPrepareDatatype($type)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ if (!empty($db->options['datatype_map'][$type])) {
+ $type = $db->options['datatype_map'][$type];
+ if (!empty($db->options['datatype_map_callback'][$type])) {
+ $parameter = array('type' => $type);
+ return call_user_func_array($db->options['datatype_map_callback'][$type], array(&$db, __FUNCTION__, $parameter));
+ }
+ }
+
+ switch ($type) {
+ case 'integer':
+ return 'i';
+ case 'float':
+ return 'd';
+ case 'blob':
+ return 'b';
+ default:
+ break;
+ }
+ return 's';
+ }
+
+ // }}}
+}
+?>
\ No newline at end of file diff --git a/program/lib/MDB2/Driver/Datatype/pgsql.php b/program/lib/MDB2/Driver/Datatype/pgsql.php new file mode 100644 index 000000000..8a7e3ff33 --- /dev/null +++ b/program/lib/MDB2/Driver/Datatype/pgsql.php @@ -0,0 +1,555 @@ +<?php
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2007 Manuel Lemos, Tomas V.V.Cox, |
+// | Stig. S. Bakken, Lukas Smith |
+// | All rights reserved. |
+// +----------------------------------------------------------------------+
+// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB |
+// | API as well as database abstraction for PHP applications. |
+// | This LICENSE is in the BSD license style. |
+// | |
+// | Redistribution and use in source and binary forms, with or without |
+// | modification, are permitted provided that the following conditions |
+// | are met: |
+// | |
+// | Redistributions of source code must retain the above copyright |
+// | notice, this list of conditions and the following disclaimer. |
+// | |
+// | Redistributions in binary form must reproduce the above copyright |
+// | notice, this list of conditions and the following disclaimer in the |
+// | documentation and/or other materials provided with the distribution. |
+// | |
+// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, |
+// | Lukas Smith nor the names of his contributors may be used to endorse |
+// | or promote products derived from this software without specific prior|
+// | written permission. |
+// | |
+// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
+// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
+// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
+// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
+// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
+// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
+// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
+// | OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
+// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
+// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
+// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
+// | POSSIBILITY OF SUCH DAMAGE. |
+// +----------------------------------------------------------------------+
+// | Author: Paul Cooper <pgc@ucecom.com> |
+// +----------------------------------------------------------------------+
+//
+// $Id: pgsql.php,v 1.88 2007/11/09 20:54:58 quipo Exp $
+
+require_once 'MDB2/Driver/Datatype/Common.php';
+
+/**
+ * MDB2 PostGreSQL driver
+ *
+ * @package MDB2
+ * @category Database
+ * @author Paul Cooper <pgc@ucecom.com>
+ */
+class MDB2_Driver_Datatype_pgsql extends MDB2_Driver_Datatype_Common
+{
+ // {{{ _baseConvertResult()
+
+ /**
+ * General type conversion method
+ *
+ * @param mixed $value refernce to a value to be converted
+ * @param string $type specifies which type to convert to
+ * @param boolean $rtrim [optional] when TRUE [default], apply rtrim() to text
+ * @return object a MDB2 error on failure
+ * @access protected
+ */
+ function _baseConvertResult($value, $type, $rtrim = true)
+ {
+ if (is_null($value)) {
+ return null;
+ }
+ switch ($type) {
+ case 'boolean':
+ return $value == 't';
+ case 'float':
+ return doubleval($value);
+ case 'date':
+ return $value;
+ case 'time':
+ return substr($value, 0, strlen('HH:MM:SS'));
+ case 'timestamp':
+ return substr($value, 0, strlen('YYYY-MM-DD HH:MM:SS'));
+ case 'blob':
+ $value = pg_unescape_bytea($value);
+ return parent::_baseConvertResult($value, $type, $rtrim);
+ }
+ return parent::_baseConvertResult($value, $type, $rtrim);
+ }
+
+ // }}}
+ // {{{ getTypeDeclaration()
+
+ /**
+ * Obtain DBMS specific SQL code portion needed to declare an text type
+ * field to be used in statements like CREATE TABLE.
+ *
+ * @param array $field associative array with the name of the properties
+ * of the field being declared as array indexes. Currently, the types
+ * of supported field properties are as follows:
+ *
+ * length
+ * Integer value that determines the maximum length of the text
+ * field. If this argument is missing the field should be
+ * declared to have the longest length allowed by the DBMS.
+ *
+ * default
+ * Text value to be used as default for this field.
+ *
+ * notnull
+ * Boolean flag that indicates whether this field is constrained
+ * to not be set to null.
+ * @return string DBMS specific SQL code portion that should be used to
+ * declare the specified field.
+ * @access public
+ */
+ function getTypeDeclaration($field)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ switch ($field['type']) {
+ case 'text':
+ $length = !empty($field['length'])
+ ? $field['length'] : $db->options['default_text_field_length'];
+ $fixed = !empty($field['fixed']) ? $field['fixed'] : false;
+ return $fixed ? ($length ? 'CHAR('.$length.')' : 'CHAR('.$db->options['default_text_field_length'].')')
+ : ($length ? 'VARCHAR('.$length.')' : 'TEXT');
+ case 'clob':
+ return 'TEXT';
+ case 'blob':
+ return 'BYTEA';
+ case 'integer':
+ if (!empty($field['autoincrement'])) {
+ if (!empty($field['length'])) {
+ $length = $field['length'];
+ if ($length > 4) {
+ return 'BIGSERIAL PRIMARY KEY';
+ }
+ }
+ return 'SERIAL PRIMARY KEY';
+ }
+ if (!empty($field['length'])) {
+ $length = $field['length'];
+ if ($length <= 2) {
+ return 'SMALLINT';
+ } elseif ($length == 3 || $length == 4) {
+ return 'INT';
+ } elseif ($length > 4) {
+ return 'BIGINT';
+ }
+ }
+ return 'INT';
+ case 'boolean':
+ return 'BOOLEAN';
+ case 'date':
+ return 'DATE';
+ case 'time':
+ return 'TIME without time zone';
+ case 'timestamp':
+ return 'TIMESTAMP without time zone';
+ case 'float':
+ return 'FLOAT8';
+ case 'decimal':
+ $length = !empty($field['length']) ? $field['length'] : 18;
+ $scale = !empty($field['scale']) ? $field['scale'] : $db->options['decimal_places'];
+ return 'NUMERIC('.$length.','.$scale.')';
+ }
+ }
+
+ // }}}
+ // {{{ _getIntegerDeclaration()
+
+ /**
+ * Obtain DBMS specific SQL code portion needed to declare an integer type
+ * field to be used in statements like CREATE TABLE.
+ *
+ * @param string $name name the field to be declared.
+ * @param array $field associative array with the name of the properties
+ * of the field being declared as array indexes. Currently, the types
+ * of supported field properties are as follows:
+ *
+ * unsigned
+ * Boolean flag that indicates whether the field should be
+ * declared as unsigned integer if possible.
+ *
+ * default
+ * Integer value to be used as default for this field.
+ *
+ * notnull
+ * Boolean flag that indicates whether this field is constrained
+ * to not be set to null.
+ * @return string DBMS specific SQL code portion that should be used to
+ * declare the specified field.
+ * @access protected
+ */
+ function _getIntegerDeclaration($name, $field)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ if (!empty($field['unsigned'])) {
+ $db->warnings[] = "unsigned integer field \"$name\" is being declared as signed integer";
+ }
+ if (!empty($field['autoincrement'])) {
+ $name = $db->quoteIdentifier($name, true);
+ return $name.' '.$this->getTypeDeclaration($field);
+ }
+ $default = '';
+ if (array_key_exists('default', $field)) {
+ if ($field['default'] === '') {
+ $field['default'] = empty($field['notnull']) ? null : 0;
+ }
+ $default = ' DEFAULT '.$this->quote($field['default'], 'integer');
+ } elseif (empty($field['notnull'])) {
+ $default = ' DEFAULT NULL';
+ }
+
+ $notnull = empty($field['notnull']) ? '' : ' NOT NULL';
+ $name = $db->quoteIdentifier($name, true);
+ return $name.' '.$this->getTypeDeclaration($field).$default.$notnull;
+ }
+
+ // }}}
+ // {{{ _quoteCLOB()
+
+ /**
+ * Convert a text value into a DBMS specific format that is suitable to
+ * compose query statements.
+ *
+ * @param string $value text string value that is intended to be converted.
+ * @param bool $quote determines if the value should be quoted and escaped
+ * @param bool $escape_wildcards if to escape escape wildcards
+ * @return string text string that represents the given argument value in
+ * a DBMS specific format.
+ * @access protected
+ */
+ function _quoteCLOB($value, $quote, $escape_wildcards)
+ {
+ return $this->_quoteText($value, $quote, $escape_wildcards);
+ }
+
+ // }}}
+ // {{{ _quoteBLOB()
+
+ /**
+ * Convert a text value into a DBMS specific format that is suitable to
+ * compose query statements.
+ *
+ * @param string $value text string value that is intended to be converted.
+ * @param bool $quote determines if the value should be quoted and escaped
+ * @param bool $escape_wildcards if to escape escape wildcards
+ * @return string text string that represents the given argument value in
+ * a DBMS specific format.
+ * @access protected
+ */
+ function _quoteBLOB($value, $quote, $escape_wildcards)
+ {
+ if (!$quote) {
+ return $value;
+ }
+ if (version_compare(PHP_VERSION, '5.2.0RC6', '>=')) {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+ $connection = $db->getConnection();
+ if (PEAR::isError($connection)) {
+ return $connection;
+ }
+ $value = @pg_escape_bytea($connection, $value);
+ } else {
+ $value = @pg_escape_bytea($value);
+ }
+ return "'".$value."'";
+ }
+
+ // }}}
+ // {{{ _quoteBoolean()
+
+ /**
+ * Convert a text value into a DBMS specific format that is suitable to
+ * compose query statements.
+ *
+ * @param string $value text string value that is intended to be converted.
+ * @param bool $quote determines if the value should be quoted and escaped
+ * @param bool $escape_wildcards if to escape escape wildcards
+ * @return string text string that represents the given argument value in
+ * a DBMS specific format.
+ * @access protected
+ */
+ function _quoteBoolean($value, $quote, $escape_wildcards)
+ {
+ $value = $value ? 't' : 'f';
+ if (!$quote) {
+ return $value;
+ }
+ return "'".$value."'";
+ }
+
+ // }}}
+ // {{{ matchPattern()
+
+ /**
+ * build a pattern matching string
+ *
+ * @access public
+ *
+ * @param array $pattern even keys are strings, odd are patterns (% and _)
+ * @param string $operator optional pattern operator (LIKE, ILIKE and maybe others in the future)
+ * @param string $field optional field name that is being matched against
+ * (might be required when emulating ILIKE)
+ *
+ * @return string SQL pattern
+ */
+ function matchPattern($pattern, $operator = null, $field = null)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $match = '';
+ if (!is_null($operator)) {
+ $field = is_null($field) ? '' : $field.' ';
+ $operator = strtoupper($operator);
+ switch ($operator) {
+ // case insensitive
+ case 'ILIKE':
+ $match = $field.'ILIKE ';
+ break;
+ // case sensitive
+ case 'LIKE':
+ $match = $field.'LIKE ';
+ break;
+ default:
+ return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'not a supported operator type:'. $operator, __FUNCTION__);
+ }
+ }
+ $match.= "'";
+ foreach ($pattern as $key => $value) {
+ if ($key % 2) {
+ $match.= $value;
+ } else {
+ $match.= $db->escapePattern($db->escape($value));
+ }
+ }
+ $match.= "'";
+ $match.= $this->patternEscapeString();
+ return $match;
+ }
+
+ // }}}
+ // {{{ patternEscapeString()
+
+ /**
+ * build string to define escape pattern string
+ *
+ * @access public
+ *
+ *
+ * @return string define escape pattern
+ */
+ function patternEscapeString()
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+ return ' ESCAPE '.$this->quote($db->string_quoting['escape_pattern']);
+ }
+
+ // }}}
+ // {{{ _mapNativeDatatype()
+
+ /**
+ * Maps a native array description of a field to a MDB2 datatype and length
+ *
+ * @param array $field native field description
+ * @return array containing the various possible types, length, sign, fixed
+ * @access public
+ */
+ function _mapNativeDatatype($field)
+ {
+ $db_type = strtolower($field['type']);
+ $length = $field['length'];
+ $type = array();
+ $unsigned = $fixed = null;
+ switch ($db_type) {
+ case 'smallint':
+ case 'int2':
+ $type[] = 'integer';
+ $unsigned = false;
+ $length = 2;
+ if ($length == '2') {
+ $type[] = 'boolean';
+ if (preg_match('/^(is|has)/', $field['name'])) {
+ $type = array_reverse($type);
+ }
+ }
+ break;
+ case 'int':
+ case 'int4':
+ case 'integer':
+ case 'serial':
+ case 'serial4':
+ $type[] = 'integer';
+ $unsigned = false;
+ $length = 4;
+ break;
+ case 'bigint':
+ case 'int8':
+ case 'bigserial':
+ case 'serial8':
+ $type[] = 'integer';
+ $unsigned = false;
+ $length = 8;
+ break;
+ case 'bool':
+ case 'boolean':
+ $type[] = 'boolean';
+ $length = null;
+ break;
+ case 'text':
+ case 'varchar':
+ $fixed = false;
+ case 'unknown':
+ case 'char':
+ case 'bpchar':
+ $type[] = 'text';
+ if ($length == '1') {
+ $type[] = 'boolean';
+ if (preg_match('/^(is|has)/', $field['name'])) {
+ $type = array_reverse($type);
+ }
+ } elseif (strstr($db_type, 'text')) {
+ $type[] = 'clob';
+ $type = array_reverse($type);
+ }
+ if ($fixed !== false) {
+ $fixed = true;
+ }
+ break;
+ case 'date':
+ $type[] = 'date';
+ $length = null;
+ break;
+ case 'datetime':
+ case 'timestamp':
+ $type[] = 'timestamp';
+ $length = null;
+ break;
+ case 'time':
+ $type[] = 'time';
+ $length = null;
+ break;
+ case 'float':
+ case 'float8':
+ case 'double':
+ case 'real':
+ $type[] = 'float';
+ break;
+ case 'decimal':
+ case 'money':
+ case 'numeric':
+ $type[] = 'decimal';
+ if (isset($field['scale'])) {
+ $length = $length.','.$field['scale'];
+ }
+ break;
+ case 'tinyblob':
+ case 'mediumblob':
+ case 'longblob':
+ case 'blob':
+ case 'bytea':
+ $type[] = 'blob';
+ $length = null;
+ break;
+ case 'oid':
+ $type[] = 'blob';
+ $type[] = 'clob';
+ $length = null;
+ break;
+ case 'year':
+ $type[] = 'integer';
+ $type[] = 'date';
+ $length = null;
+ break;
+ default:
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+ return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'unknown database attribute type: '.$db_type, __FUNCTION__);
+ }
+
+ if ((int)$length <= 0) {
+ $length = null;
+ }
+
+ return array($type, $length, $unsigned, $fixed);
+ }
+
+ // }}}
+ // {{{ mapPrepareDatatype()
+
+ /**
+ * Maps an mdb2 datatype to native prepare type
+ *
+ * @param string $type
+ * @return string
+ * @access public
+ */
+ function mapPrepareDatatype($type)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ if (!empty($db->options['datatype_map'][$type])) {
+ $type = $db->options['datatype_map'][$type];
+ if (!empty($db->options['datatype_map_callback'][$type])) {
+ $parameter = array('type' => $type);
+ return call_user_func_array($db->options['datatype_map_callback'][$type], array(&$db, __FUNCTION__, $parameter));
+ }
+ }
+
+ switch ($type) {
+ case 'integer':
+ return 'int';
+ case 'boolean':
+ return 'bool';
+ case 'decimal':
+ case 'float':
+ return 'numeric';
+ case 'clob':
+ return 'text';
+ case 'blob':
+ return 'bytea';
+ default:
+ break;
+ }
+ return $type;
+ }
+ // }}}
+}
+?>
\ No newline at end of file diff --git a/program/lib/MDB2/Driver/Datatype/sqlite.php b/program/lib/MDB2/Driver/Datatype/sqlite.php new file mode 100644 index 000000000..e518e45fa --- /dev/null +++ b/program/lib/MDB2/Driver/Datatype/sqlite.php @@ -0,0 +1,412 @@ +<?php
+// vim: set et ts=4 sw=4 fdm=marker:
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2007 Manuel Lemos, Tomas V.V.Cox, |
+// | Stig. S. Bakken, Lukas Smith |
+// | All rights reserved. |
+// +----------------------------------------------------------------------+
+// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB |
+// | API as well as database abstraction for PHP applications. |
+// | This LICENSE is in the BSD license style. |
+// | |
+// | Redistribution and use in source and binary forms, with or without |
+// | modification, are permitted provided that the following conditions |
+// | are met: |
+// | |
+// | Redistributions of source code must retain the above copyright |
+// | notice, this list of conditions and the following disclaimer. |
+// | |
+// | Redistributions in binary form must reproduce the above copyright |
+// | notice, this list of conditions and the following disclaimer in the |
+// | documentation and/or other materials provided with the distribution. |
+// | |
+// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, |
+// | Lukas Smith nor the names of his contributors may be used to endorse |
+// | or promote products derived from this software without specific prior|
+// | written permission. |
+// | |
+// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
+// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
+// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
+// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
+// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
+// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
+// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
+// | OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
+// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
+// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
+// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
+// | POSSIBILITY OF SUCH DAMAGE. |
+// +----------------------------------------------------------------------+
+// | Author: Lukas Smith <smith@pooteeweet.org> |
+// +----------------------------------------------------------------------+
+//
+// $Id: sqlite.php,v 1.65 2007/12/03 20:59:51 quipo Exp $
+//
+
+require_once 'MDB2/Driver/Datatype/Common.php';
+
+/**
+ * MDB2 SQLite driver
+ *
+ * @package MDB2
+ * @category Database
+ * @author Lukas Smith <smith@pooteeweet.org>
+ */
+class MDB2_Driver_Datatype_sqlite extends MDB2_Driver_Datatype_Common
+{
+ // {{{ _getCollationFieldDeclaration()
+
+ /**
+ * Obtain DBMS specific SQL code portion needed to set the COLLATION
+ * of a field declaration to be used in statements like CREATE TABLE.
+ *
+ * @param string $collation name of the collation
+ *
+ * @return string DBMS specific SQL code portion needed to set the COLLATION
+ * of a field declaration.
+ */
+ function _getCollationFieldDeclaration($collation)
+ {
+ return 'COLLATE '.$collation;
+ }
+
+ // }}}
+ // {{{ getTypeDeclaration()
+
+ /**
+ * Obtain DBMS specific SQL code portion needed to declare an text type
+ * field to be used in statements like CREATE TABLE.
+ *
+ * @param array $field associative array with the name of the properties
+ * of the field being declared as array indexes. Currently, the types
+ * of supported field properties are as follows:
+ *
+ * length
+ * Integer value that determines the maximum length of the text
+ * field. If this argument is missing the field should be
+ * declared to have the longest length allowed by the DBMS.
+ *
+ * default
+ * Text value to be used as default for this field.
+ *
+ * notnull
+ * Boolean flag that indicates whether this field is constrained
+ * to not be set to null.
+ * @return string DBMS specific SQL code portion that should be used to
+ * declare the specified field.
+ * @access public
+ */
+ function getTypeDeclaration($field)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ switch ($field['type']) {
+ case 'text':
+ $length = !empty($field['length'])
+ ? $field['length'] : false;
+ $fixed = !empty($field['fixed']) ? $field['fixed'] : false;
+ return $fixed ? ($length ? 'CHAR('.$length.')' : 'CHAR('.$db->options['default_text_field_length'].')')
+ : ($length ? 'VARCHAR('.$length.')' : 'TEXT');
+ case 'clob':
+ if (!empty($field['length'])) {
+ $length = $field['length'];
+ if ($length <= 255) {
+ return 'TINYTEXT';
+ } elseif ($length <= 65532) {
+ return 'TEXT';
+ } elseif ($length <= 16777215) {
+ return 'MEDIUMTEXT';
+ }
+ }
+ return 'LONGTEXT';
+ case 'blob':
+ if (!empty($field['length'])) {
+ $length = $field['length'];
+ if ($length <= 255) {
+ return 'TINYBLOB';
+ } elseif ($length <= 65532) {
+ return 'BLOB';
+ } elseif ($length <= 16777215) {
+ return 'MEDIUMBLOB';
+ }
+ }
+ return 'LONGBLOB';
+ case 'integer':
+ if (!empty($field['length'])) {
+ $length = $field['length'];
+ if ($length <= 2) {
+ return 'SMALLINT';
+ } elseif ($length == 3 || $length == 4) {
+ return 'INTEGER';
+ } elseif ($length > 4) {
+ return 'BIGINT';
+ }
+ }
+ return 'INTEGER';
+ case 'boolean':
+ return 'BOOLEAN';
+ case 'date':
+ return 'DATE';
+ case 'time':
+ return 'TIME';
+ case 'timestamp':
+ return 'DATETIME';
+ case 'float':
+ return 'DOUBLE'.($db->options['fixed_float'] ? '('.
+ ($db->options['fixed_float']+2).','.$db->options['fixed_float'].')' : '');
+ case 'decimal':
+ $length = !empty($field['length']) ? $field['length'] : 18;
+ $scale = !empty($field['scale']) ? $field['scale'] : $db->options['decimal_places'];
+ return 'DECIMAL('.$length.','.$scale.')';
+ }
+ return '';
+ }
+
+ // }}}
+ // {{{ _getIntegerDeclaration()
+
+ /**
+ * Obtain DBMS specific SQL code portion needed to declare an integer type
+ * field to be used in statements like CREATE TABLE.
+ *
+ * @param string $name name the field to be declared.
+ * @param string $field associative array with the name of the properties
+ * of the field being declared as array indexes.
+ * Currently, the types of supported field
+ * properties are as follows:
+ *
+ * unsigned
+ * Boolean flag that indicates whether the field
+ * should be declared as unsigned integer if
+ * possible.
+ *
+ * default
+ * Integer value to be used as default for this
+ * field.
+ *
+ * notnull
+ * Boolean flag that indicates whether this field is
+ * constrained to not be set to null.
+ * @return string DBMS specific SQL code portion that should be used to
+ * declare the specified field.
+ * @access protected
+ */
+ function _getIntegerDeclaration($name, $field)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $default = $autoinc = '';
+ if (!empty($field['autoincrement'])) {
+ $autoinc = ' PRIMARY KEY';
+ } elseif (array_key_exists('default', $field)) {
+ if ($field['default'] === '') {
+ $field['default'] = empty($field['notnull']) ? null : 0;
+ }
+ $default = ' DEFAULT '.$this->quote($field['default'], 'integer');
+ } elseif (empty($field['notnull'])) {
+ $default = ' DEFAULT NULL';
+ }
+
+ $notnull = empty($field['notnull']) ? '' : ' NOT NULL';
+ $unsigned = empty($field['unsigned']) ? '' : ' UNSIGNED';
+ $name = $db->quoteIdentifier($name, true);
+ return $name.' '.$this->getTypeDeclaration($field).$unsigned.$default.$notnull.$autoinc;
+ }
+
+ // }}}
+ // {{{ matchPattern()
+
+ /**
+ * build a pattern matching string
+ *
+ * @access public
+ *
+ * @param array $pattern even keys are strings, odd are patterns (% and _)
+ * @param string $operator optional pattern operator (LIKE, ILIKE and maybe others in the future)
+ * @param string $field optional field name that is being matched against
+ * (might be required when emulating ILIKE)
+ *
+ * @return string SQL pattern
+ */
+ function matchPattern($pattern, $operator = null, $field = null)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $match = '';
+ if (!is_null($operator)) {
+ $field = is_null($field) ? '' : $field.' ';
+ $operator = strtoupper($operator);
+ switch ($operator) {
+ // case insensitive
+ case 'ILIKE':
+ $match = $field.'LIKE ';
+ break;
+ // case sensitive
+ case 'LIKE':
+ $match = $field.'LIKE ';
+ break;
+ default:
+ return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'not a supported operator type:'. $operator, __FUNCTION__);
+ }
+ }
+ $match.= "'";
+ foreach ($pattern as $key => $value) {
+ if ($key % 2) {
+ $match.= $value;
+ } else {
+ $match.= $db->escapePattern($db->escape($value));
+ }
+ }
+ $match.= "'";
+ $match.= $this->patternEscapeString();
+ return $match;
+ }
+
+ // }}}
+ // {{{ _mapNativeDatatype()
+
+ /**
+ * Maps a native array description of a field to a MDB2 datatype and length
+ *
+ * @param array $field native field description
+ * @return array containing the various possible types, length, sign, fixed
+ * @access public
+ */
+ function _mapNativeDatatype($field)
+ {
+ $db_type = strtolower($field['type']);
+ $length = !empty($field['length']) ? $field['length'] : null;
+ $unsigned = !empty($field['unsigned']) ? $field['unsigned'] : null;
+ $fixed = null;
+ $type = array();
+ switch ($db_type) {
+ case 'boolean':
+ $type[] = 'boolean';
+ break;
+ case 'tinyint':
+ $type[] = 'integer';
+ $type[] = 'boolean';
+ if (preg_match('/^(is|has)/', $field['name'])) {
+ $type = array_reverse($type);
+ }
+ $unsigned = preg_match('/ unsigned/i', $field['type']);
+ $length = 1;
+ break;
+ case 'smallint':
+ $type[] = 'integer';
+ $unsigned = preg_match('/ unsigned/i', $field['type']);
+ $length = 2;
+ break;
+ case 'mediumint':
+ $type[] = 'integer';
+ $unsigned = preg_match('/ unsigned/i', $field['type']);
+ $length = 3;
+ break;
+ case 'int':
+ case 'integer':
+ case 'serial':
+ $type[] = 'integer';
+ $unsigned = preg_match('/ unsigned/i', $field['type']);
+ $length = 4;
+ break;
+ case 'bigint':
+ case 'bigserial':
+ $type[] = 'integer';
+ $unsigned = preg_match('/ unsigned/i', $field['type']);
+ $length = 8;
+ break;
+ case 'clob':
+ $type[] = 'clob';
+ $fixed = false;
+ break;
+ case 'tinytext':
+ case 'mediumtext':
+ case 'longtext':
+ case 'text':
+ case 'varchar':
+ case 'varchar2':
+ $fixed = false;
+ case 'char':
+ $type[] = 'text';
+ if ($length == '1') {
+ $type[] = 'boolean';
+ if (preg_match('/^(is|has)/', $field['name'])) {
+ $type = array_reverse($type);
+ }
+ } elseif (strstr($db_type, 'text')) {
+ $type[] = 'clob';
+ $type = array_reverse($type);
+ }
+ if ($fixed !== false) {
+ $fixed = true;
+ }
+ break;
+ case 'date':
+ $type[] = 'date';
+ $length = null;
+ break;
+ case 'datetime':
+ case 'timestamp':
+ $type[] = 'timestamp';
+ $length = null;
+ break;
+ case 'time':
+ $type[] = 'time';
+ $length = null;
+ break;
+ case 'float':
+ case 'double':
+ case 'real':
+ $type[] = 'float';
+ break;
+ case 'decimal':
+ case 'numeric':
+ $type[] = 'decimal';
+ $length = $length.','.$field['decimal'];
+ break;
+ case 'tinyblob':
+ case 'mediumblob':
+ case 'longblob':
+ case 'blob':
+ $type[] = 'blob';
+ $length = null;
+ break;
+ case 'year':
+ $type[] = 'integer';
+ $type[] = 'date';
+ $length = null;
+ break;
+ default:
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'unknown database attribute type: '.$db_type, __FUNCTION__);
+ }
+
+ if ((int)$length <= 0) {
+ $length = null;
+ }
+
+ return array($type, $length, $unsigned, $fixed);
+ }
+
+ // }}}
+}
+
+?>
\ No newline at end of file diff --git a/program/lib/MDB2/Driver/Function/Common.php b/program/lib/MDB2/Driver/Function/Common.php new file mode 100644 index 000000000..74971e2bb --- /dev/null +++ b/program/lib/MDB2/Driver/Function/Common.php @@ -0,0 +1,249 @@ +<?php +// +----------------------------------------------------------------------+ +// | PHP versions 4 and 5 | +// +----------------------------------------------------------------------+ +// | Copyright (c) 1998-2006 Manuel Lemos, Tomas V.V.Cox, | +// | Stig. S. Bakken, Lukas Smith | +// | All rights reserved. | +// +----------------------------------------------------------------------+ +// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB | +// | API as well as database abstraction for PHP applications. | +// | This LICENSE is in the BSD license style. | +// | | +// | Redistribution and use in source and binary forms, with or without | +// | modification, are permitted provided that the following conditions | +// | are met: | +// | | +// | Redistributions of source code must retain the above copyright | +// | notice, this list of conditions and the following disclaimer. | +// | | +// | Redistributions in binary form must reproduce the above copyright | +// | notice, this list of conditions and the following disclaimer in the | +// | documentation and/or other materials provided with the distribution. | +// | | +// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, | +// | Lukas Smith nor the names of his contributors may be used to endorse | +// | or promote products derived from this software without specific prior| +// | written permission. | +// | | +// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | +// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | +// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS | +// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE | +// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, | +// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, | +// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS| +// | OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED | +// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | +// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY| +// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | +// | POSSIBILITY OF SUCH DAMAGE. | +// +----------------------------------------------------------------------+ +// | Author: Lukas Smith <smith@pooteeweet.org> | +// +----------------------------------------------------------------------+ +// +// $Id: Common.php,v 1.19 2007/09/09 13:47:36 quipo Exp $ +// + +/** + * @package MDB2 + * @category Database + * @author Lukas Smith <smith@pooteeweet.org> + */ + +/** + * Base class for the function modules that is extended by each MDB2 driver + * + * To load this module in the MDB2 object: + * $mdb->loadModule('Function'); + * + * @package MDB2 + * @category Database + * @author Lukas Smith <smith@pooteeweet.org> + */ +class MDB2_Driver_Function_Common extends MDB2_Module_Common +{ + // {{{ executeStoredProc() + + /** + * Execute a stored procedure and return any results + * + * @param string $name string that identifies the function to execute + * @param mixed $params array that contains the paramaters to pass the stored proc + * @param mixed $types array that contains the types of the columns in + * the result set + * @param mixed $result_class string which specifies which result class to use + * @param mixed $result_wrap_class string which specifies which class to wrap results in + * @return mixed a result handle or MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function &executeStoredProc($name, $params = null, $types = null, $result_class = true, $result_wrap_class = false) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $error =& $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null, + 'method not implemented', __FUNCTION__); + return $error; + } + + // }}} + // {{{ functionTable() + + /** + * return string for internal table used when calling only a function + * + * @return string for internal table used when calling only a function + * @access public + */ + function functionTable() + { + return ''; + } + + // }}} + // {{{ now() + + /** + * Return string to call a variable with the current timestamp inside an SQL statement + * There are three special variables for current date and time: + * - CURRENT_TIMESTAMP (date and time, TIMESTAMP type) + * - CURRENT_DATE (date, DATE type) + * - CURRENT_TIME (time, TIME type) + * + * @return string to call a variable with the current timestamp + * @access public + */ + function now($type = 'timestamp') + { + switch ($type) { + case 'time': + return 'CURRENT_TIME'; + case 'date': + return 'CURRENT_DATE'; + case 'timestamp': + default: + return 'CURRENT_TIMESTAMP'; + } + } + + // }}} + // {{{ substring() + + /** + * return string to call a function to get a substring inside an SQL statement + * + * @return string to call a function to get a substring + * @access public + */ + function substring($value, $position = 1, $length = null) + { + if (!is_null($length)) { + return "SUBSTRING($value FROM $position FOR $length)"; + } + return "SUBSTRING($value FROM $position)"; + } + + // }}} + // {{{ concat() + + /** + * Returns string to concatenate two or more string parameters + * + * @param string $value1 + * @param string $value2 + * @param string $values... + * @return string to concatenate two strings + * @access public + */ + function concat($value1, $value2) + { + $args = func_get_args(); + return "(".implode(' || ', $args).")"; + } + + // }}} + // {{{ random() + + /** + * return string to call a function to get random value inside an SQL statement + * + * @return return string to generate float between 0 and 1 + * @access public + */ + function random() + { + return 'RAND()'; + } + + // }}} + // {{{ lower() + + /** + * return string to call a function to lower the case of an expression + * + * @param string $expression + * @return return string to lower case of an expression + * @access public + */ + function lower($expression) + { + return "LOWER($expression)"; + } + + // }}} + // {{{ upper() + + /** + * return string to call a function to upper the case of an expression + * + * @param string $expression + * @return return string to upper case of an expression + * @access public + */ + function upper($expression) + { + return "UPPER($expression)"; + } + + // }}} + // {{{ length() + + /** + * return string to call a function to get the length of a string expression + * + * @param string $expression + * @return return string to get the string expression length + * @access public + */ + function length($expression) + { + return "LENGTH($expression)"; + } + + // }}} + // {{{ guid() + + /** + * Returns global unique identifier + * + * @return string to get global unique identifier + * @access public + */ + function guid() + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $error =& $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null, + 'method not implemented', __FUNCTION__); + return $error; + } + + // }}} +} +?>
\ No newline at end of file diff --git a/program/lib/MDB2/Driver/Function/mssql.php b/program/lib/MDB2/Driver/Function/mssql.php new file mode 100644 index 000000000..4ee028169 --- /dev/null +++ b/program/lib/MDB2/Driver/Function/mssql.php @@ -0,0 +1,178 @@ +<?php +// +----------------------------------------------------------------------+ +// | PHP versions 4 and 5 | +// +----------------------------------------------------------------------+ +// | Copyright (c) 1998-2006 Manuel Lemos, Tomas V.V.Cox, | +// | Stig. S. Bakken, Lukas Smith | +// | All rights reserved. | +// +----------------------------------------------------------------------+ +// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB | +// | API as well as database abstraction for PHP applications. | +// | This LICENSE is in the BSD license style. | +// | | +// | Redistribution and use in source and binary forms, with or without | +// | modification, are permitted provided that the following conditions | +// | are met: | +// | | +// | Redistributions of source code must retain the above copyright | +// | notice, this list of conditions and the following disclaimer. | +// | | +// | Redistributions in binary form must reproduce the above copyright | +// | notice, this list of conditions and the following disclaimer in the | +// | documentation and/or other materials provided with the distribution. | +// | | +// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, | +// | Lukas Smith nor the names of his contributors may be used to endorse | +// | or promote products derived from this software without specific prior| +// | written permission. | +// | | +// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | +// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | +// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS | +// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE | +// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, | +// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, | +// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS| +// | OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED | +// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | +// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY| +// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | +// | POSSIBILITY OF SUCH DAMAGE. | +// +----------------------------------------------------------------------+ +// | Author: Frank M. Kromann <frank@kromann.info> | +// +----------------------------------------------------------------------+ +// +// $Id: mssql.php,v 1.15 2007/08/11 16:02:22 quipo Exp $ +// + +require_once 'MDB2/Driver/Function/Common.php'; + +// {{{ class MDB2_Driver_Function_mssql +/** + * MDB2 MSSQL driver for the function modules + * + * @package MDB2 + * @category Database + * @author Lukas Smith <smith@pooteeweet.org> + */ +class MDB2_Driver_Function_mssql extends MDB2_Driver_Function_Common +{ + // }}} + // {{{ executeStoredProc() + + /** + * Execute a stored procedure and return any results + * + * @param string $name string that identifies the function to execute + * @param mixed $params array that contains the paramaters to pass the stored proc + * @param mixed $types array that contains the types of the columns in + * the result set + * @param mixed $result_class string which specifies which result class to use + * @param mixed $result_wrap_class string which specifies which class to wrap results in + * @return mixed a result handle or MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function &executeStoredProc($name, $params = null, $types = null, $result_class = true, $result_wrap_class = false) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $query = 'EXECUTE '.$name; + $query .= $params ? ' '.implode(', ', $params) : ''; + return $db->query($query, $types, $result_class, $result_wrap_class); + } + + // }}} + // {{{ now() + + /** + * Return string to call a variable with the current timestamp inside an SQL statement + * There are three special variables for current date and time: + * - CURRENT_TIMESTAMP (date and time, TIMESTAMP type) + * - CURRENT_DATE (date, DATE type) + * - CURRENT_TIME (time, TIME type) + * + * @return string to call a variable with the current timestamp + * @access public + */ + function now($type = 'timestamp') + { + switch ($type) { + case 'time': + case 'date': + case 'timestamp': + default: + return 'GETDATE()'; + } + } + + // }}} + // {{{ substring() + + /** + * return string to call a function to get a substring inside an SQL statement + * + * @return string to call a function to get a substring + * @access public + */ + function substring($value, $position = 1, $length = null) + { + if (!is_null($length)) { + return "SUBSTRING($value, $position, $length)"; + } + return "SUBSTRING($value, $position, LEN($value) - $position + 1)"; + } + + // }}} + // {{{ concat() + + /** + * Returns string to concatenate two or more string parameters + * + * @param string $value1 + * @param string $value2 + * @param string $values... + * @return string to concatenate two strings + * @access public + **/ + function concat($value1, $value2) + { + $args = func_get_args(); + return "(".implode(' + ', $args).")"; + } + + // }}} + // {{{ length() + + /** + * return string to call a function to get the length of a string expression + * + * @param string $expression + * @return return string to get the string expression length + * @access public + */ + function length($expression) + { + return "LEN($expression)"; + } + + // }}} + // {{{ guid() + + /** + * Returns global unique identifier + * + * @return string to get global unique identifier + * @access public + */ + function guid() + { + return 'NEWID()'; + } + + // }}} +} +// }}} +?>
\ No newline at end of file diff --git a/program/lib/MDB2/Driver/Function/mysql.php b/program/lib/MDB2/Driver/Function/mysql.php new file mode 100644 index 000000000..90dea8174 --- /dev/null +++ b/program/lib/MDB2/Driver/Function/mysql.php @@ -0,0 +1,120 @@ +<?php +// +----------------------------------------------------------------------+ +// | PHP versions 4 and 5 | +// +----------------------------------------------------------------------+ +// | Copyright (c) 1998-2006 Manuel Lemos, Tomas V.V.Cox, | +// | Stig. S. Bakken, Lukas Smith | +// | All rights reserved. | +// +----------------------------------------------------------------------+ +// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB | +// | API as well as database abstraction for PHP applications. | +// | This LICENSE is in the BSD license style. | +// | | +// | Redistribution and use in source and binary forms, with or without | +// | modification, are permitted provided that the following conditions | +// | are met: | +// | | +// | Redistributions of source code must retain the above copyright | +// | notice, this list of conditions and the following disclaimer. | +// | | +// | Redistributions in binary form must reproduce the above copyright | +// | notice, this list of conditions and the following disclaimer in the | +// | documentation and/or other materials provided with the distribution. | +// | | +// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, | +// | Lukas Smith nor the names of his contributors may be used to endorse | +// | or promote products derived from this software without specific prior| +// | written permission. | +// | | +// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | +// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | +// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS | +// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE | +// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, | +// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, | +// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS| +// | OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED | +// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | +// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY| +// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | +// | POSSIBILITY OF SUCH DAMAGE. | +// +----------------------------------------------------------------------+ +// | Author: Lukas Smith <smith@pooteeweet.org> | +// +----------------------------------------------------------------------+ +// +// $Id: mysql.php,v 1.11 2007/01/12 11:29:12 quipo Exp $ +// + +require_once 'MDB2/Driver/Function/Common.php'; + +/** + * MDB2 MySQL driver for the function modules + * + * @package MDB2 + * @category Database + * @author Lukas Smith <smith@pooteeweet.org> + */ +class MDB2_Driver_Function_mysql extends MDB2_Driver_Function_Common +{ + // }}} + // {{{ executeStoredProc() + + /** + * Execute a stored procedure and return any results + * + * @param string $name string that identifies the function to execute + * @param mixed $params array that contains the paramaters to pass the stored proc + * @param mixed $types array that contains the types of the columns in + * the result set + * @param mixed $result_class string which specifies which result class to use + * @param mixed $result_wrap_class string which specifies which class to wrap results in + * @return mixed a result handle or MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function &executeStoredProc($name, $params = null, $types = null, $result_class = true, $result_wrap_class = false) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $query = 'CALL '.$name; + $query .= $params ? '('.implode(', ', $params).')' : '()'; + return $db->query($query, $types, $result_class, $result_wrap_class); + } + + // }}} + // {{{ concat() + + /** + * Returns string to concatenate two or more string parameters + * + * @param string $value1 + * @param string $value2 + * @param string $values... + * @return string to concatenate two strings + * @access public + **/ + function concat($value1, $value2) + { + $args = func_get_args(); + return "CONCAT(".implode(', ', $args).")"; + } + + // }}} + // {{{ guid() + + /** + * Returns global unique identifier + * + * @return string to get global unique identifier + * @access public + */ + function guid() + { + return 'UUID()'; + } + + // }}} +} +?>
\ No newline at end of file diff --git a/program/lib/MDB2/Driver/Function/mysqli.php b/program/lib/MDB2/Driver/Function/mysqli.php new file mode 100644 index 000000000..5af55c1fd --- /dev/null +++ b/program/lib/MDB2/Driver/Function/mysqli.php @@ -0,0 +1,128 @@ +<?php +// +----------------------------------------------------------------------+ +// | PHP versions 4 and 5 | +// +----------------------------------------------------------------------+ +// | Copyright (c) 1998-2006 Manuel Lemos, Tomas V.V.Cox, | +// | Stig. S. Bakken, Lukas Smith | +// | All rights reserved. | +// +----------------------------------------------------------------------+ +// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB | +// | API as well as database abstraction for PHP applications. | +// | This LICENSE is in the BSD license style. | +// | | +// | Redistribution and use in source and binary forms, with or without | +// | modification, are permitted provided that the following conditions | +// | are met: | +// | | +// | Redistributions of source code must retain the above copyright | +// | notice, this list of conditions and the following disclaimer. | +// | | +// | Redistributions in binary form must reproduce the above copyright | +// | notice, this list of conditions and the following disclaimer in the | +// | documentation and/or other materials provided with the distribution. | +// | | +// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, | +// | Lukas Smith nor the names of his contributors may be used to endorse | +// | or promote products derived from this software without specific prior| +// | written permission. | +// | | +// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | +// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | +// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS | +// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE | +// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, | +// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, | +// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS| +// | OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED | +// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | +// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY| +// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | +// | POSSIBILITY OF SUCH DAMAGE. | +// +----------------------------------------------------------------------+ +// | Author: Lukas Smith <smith@pooteeweet.org> | +// +----------------------------------------------------------------------+ +// +// $Id: mysqli.php,v 1.13 2007/01/12 11:29:12 quipo Exp $ +// + +require_once 'MDB2/Driver/Function/Common.php'; + +/** + * MDB2 MySQLi driver for the function modules + * + * @package MDB2 + * @category Database + * @author Lukas Smith <smith@pooteeweet.org> + */ +class MDB2_Driver_Function_mysqli extends MDB2_Driver_Function_Common +{ + // }}} + // {{{ executeStoredProc() + + /** + * Execute a stored procedure and return any results + * + * @param string $name string that identifies the function to execute + * @param mixed $params array that contains the paramaters to pass the stored proc + * @param mixed $types array that contains the types of the columns in + * the result set + * @param mixed $result_class string which specifies which result class to use + * @param mixed $result_wrap_class string which specifies which class to wrap results in + * @return mixed a result handle or MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function &executeStoredProc($name, $params = null, $types = null, $result_class = true, $result_wrap_class = false) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $multi_query = $db->getOption('multi_query'); + if (!$multi_query) { + $db->setOption('multi_query', true); + } + $query = 'CALL '.$name; + $query .= $params ? '('.implode(', ', $params).')' : '()'; + $result =& $db->query($query, $types, $result_class, $result_wrap_class); + if (!$multi_query) { + $db->setOption('multi_query', false); + } + return $result; + } + + // }}} + // {{{ concat() + + /** + * Returns string to concatenate two or more string parameters + * + * @param string $value1 + * @param string $value2 + * @param string $values... + * @return string to concatenate two strings + * @access public + **/ + function concat($value1, $value2) + { + $args = func_get_args(); + return "CONCAT(".implode(', ', $args).")"; + } + + // }}} + // {{{ guid() + + /** + * Returns global unique identifier + * + * @return string to get global unique identifier + * @access public + */ + function guid() + { + return 'UUID()'; + } + + // }}} +} +?>
\ No newline at end of file diff --git a/program/lib/MDB2/Driver/Function/pgsql.php b/program/lib/MDB2/Driver/Function/pgsql.php new file mode 100644 index 000000000..df1d455f3 --- /dev/null +++ b/program/lib/MDB2/Driver/Function/pgsql.php @@ -0,0 +1,99 @@ +<?php +// +----------------------------------------------------------------------+ +// | PHP versions 4 and 5 | +// +----------------------------------------------------------------------+ +// | Copyright (c) 1998-2006 Manuel Lemos, Tomas V.V.Cox, | +// | Stig. S. Bakken, Lukas Smith | +// | All rights reserved. | +// +----------------------------------------------------------------------+ +// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB | +// | API as well as database abstraction for PHP applications. | +// | This LICENSE is in the BSD license style. | +// | | +// | Redistribution and use in source and binary forms, with or without | +// | modification, are permitted provided that the following conditions | +// | are met: | +// | | +// | Redistributions of source code must retain the above copyright | +// | notice, this list of conditions and the following disclaimer. | +// | | +// | Redistributions in binary form must reproduce the above copyright | +// | notice, this list of conditions and the following disclaimer in the | +// | documentation and/or other materials provided with the distribution. | +// | | +// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, | +// | Lukas Smith nor the names of his contributors may be used to endorse | +// | or promote products derived from this software without specific prior| +// | written permission. | +// | | +// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | +// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | +// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS | +// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE | +// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, | +// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, | +// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS| +// | OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED | +// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | +// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY| +// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | +// | POSSIBILITY OF SUCH DAMAGE. | +// +----------------------------------------------------------------------+ +// | Author: Paul Cooper <pgc@ucecom.com> | +// +----------------------------------------------------------------------+ +// +// $Id: pgsql.php,v 1.9 2006/06/12 21:48:43 lsmith Exp $ + +require_once 'MDB2/Driver/Function/Common.php'; + +/** + * MDB2 MySQL driver for the function modules + * + * @package MDB2 + * @category Database + * @author Lukas Smith <smith@pooteeweet.org> + */ +class MDB2_Driver_Function_pgsql extends MDB2_Driver_Function_Common +{ + // {{{ executeStoredProc() + + /** + * Execute a stored procedure and return any results + * + * @param string $name string that identifies the function to execute + * @param mixed $params array that contains the paramaters to pass the stored proc + * @param mixed $types array that contains the types of the columns in + * the result set + * @param mixed $result_class string which specifies which result class to use + * @param mixed $result_wrap_class string which specifies which class to wrap results in + * @return mixed a result handle or MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function &executeStoredProc($name, $params = null, $types = null, $result_class = true, $result_wrap_class = false) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $query = 'SELECT * FROM '.$name; + $query .= $params ? '('.implode(', ', $params).')' : '()'; + return $db->query($query, $types, $result_class, $result_wrap_class); + } + // }}} + // {{{ random() + + /** + * return string to call a function to get random value inside an SQL statement + * + * @return return string to generate float between 0 and 1 + * @access public + */ + function random() + { + return 'RANDOM()'; + } + + // }}} +} +?> diff --git a/program/lib/MDB2/Driver/Function/sqlite.php b/program/lib/MDB2/Driver/Function/sqlite.php new file mode 100644 index 000000000..3a4960bea --- /dev/null +++ b/program/lib/MDB2/Driver/Function/sqlite.php @@ -0,0 +1,125 @@ +<?php +// +----------------------------------------------------------------------+ +// | PHP versions 4 and 5 | +// +----------------------------------------------------------------------+ +// | Copyright (c) 1998-2006 Manuel Lemos, Tomas V.V.Cox, | +// | Stig. S. Bakken, Lukas Smith | +// | All rights reserved. | +// +----------------------------------------------------------------------+ +// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB | +// | API as well as database abstraction for PHP applications. | +// | This LICENSE is in the BSD license style. | +// | | +// | Redistribution and use in source and binary forms, with or without | +// | modification, are permitted provided that the following conditions | +// | are met: | +// | | +// | Redistributions of source code must retain the above copyright | +// | notice, this list of conditions and the following disclaimer. | +// | | +// | Redistributions in binary form must reproduce the above copyright | +// | notice, this list of conditions and the following disclaimer in the | +// | documentation and/or other materials provided with the distribution. | +// | | +// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, | +// | Lukas Smith nor the names of his contributors may be used to endorse | +// | or promote products derived from this software without specific prior| +// | written permission. | +// | | +// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | +// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | +// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS | +// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE | +// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, | +// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, | +// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS| +// | OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED | +// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | +// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY| +// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | +// | POSSIBILITY OF SUCH DAMAGE. | +// +----------------------------------------------------------------------+ +// | Author: Lukas Smith <smith@pooteeweet.org> | +// +----------------------------------------------------------------------+ +// +// $Id: sqlite.php,v 1.8 2006/06/13 22:55:55 lsmith Exp $ +// + +require_once 'MDB2/Driver/Function/Common.php'; + +/** + * MDB2 SQLite driver for the function modules + * + * @package MDB2 + * @category Database + * @author Lukas Smith <smith@pooteeweet.org> + */ +class MDB2_Driver_Function_sqlite extends MDB2_Driver_Function_Common +{ + // {{{ constructor + + /** + * Constructor + */ + function __construct($db_index) + { + parent::__construct($db_index); + // create all sorts of UDFs + } + + // {{{ now() + + /** + * Return string to call a variable with the current timestamp inside an SQL statement + * There are three special variables for current date and time. + * + * @return string to call a variable with the current timestamp + * @access public + */ + function now($type = 'timestamp') + { + switch ($type) { + case 'time': + return 'time(\'now\')'; + case 'date': + return 'date(\'now\')'; + case 'timestamp': + default: + return 'datetime(\'now\')'; + } + } + + // }}} + // {{{ substring() + + /** + * return string to call a function to get a substring inside an SQL statement + * + * @return string to call a function to get a substring + * @access public + */ + function substring($value, $position = 1, $length = null) + { + if (!is_null($length)) { + return "substr($value,$position,$length)"; + } + return "substr($value,$position,length($value))"; + } + + // }}} + // {{{ random() + + /** + * return string to call a function to get random value inside an SQL statement + * + * @return return string to generate float between 0 and 1 + * @access public + */ + function random() + { + return '((RANDOM()+2147483648)/4294967296)'; + } + + // }}} +} +?> diff --git a/program/lib/MDB2/Driver/Manager/Common.php b/program/lib/MDB2/Driver/Manager/Common.php new file mode 100644 index 000000000..da2e329ef --- /dev/null +++ b/program/lib/MDB2/Driver/Manager/Common.php @@ -0,0 +1,935 @@ +<?php
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2007 Manuel Lemos, Tomas V.V.Cox, |
+// | Stig. S. Bakken, Lukas Smith |
+// | All rights reserved. |
+// +----------------------------------------------------------------------+
+// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB |
+// | API as well as database abstraction for PHP applications. |
+// | This LICENSE is in the BSD license style. |
+// | |
+// | Redistribution and use in source and binary forms, with or without |
+// | modification, are permitted provided that the following conditions |
+// | are met: |
+// | |
+// | Redistributions of source code must retain the above copyright |
+// | notice, this list of conditions and the following disclaimer. |
+// | |
+// | Redistributions in binary form must reproduce the above copyright |
+// | notice, this list of conditions and the following disclaimer in the |
+// | documentation and/or other materials provided with the distribution. |
+// | |
+// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, |
+// | Lukas Smith nor the names of his contributors may be used to endorse |
+// | or promote products derived from this software without specific prior|
+// | written permission. |
+// | |
+// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
+// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
+// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
+// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
+// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
+// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
+// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
+// | OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
+// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
+// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
+// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
+// | POSSIBILITY OF SUCH DAMAGE. |
+// +----------------------------------------------------------------------+
+// | Author: Lukas Smith <smith@pooteeweet.org> |
+// +----------------------------------------------------------------------+
+//
+// $Id: Common.php,v 1.68 2007/12/03 20:59:15 quipo Exp $
+//
+
+/**
+ * @package MDB2
+ * @category Database
+ * @author Lukas Smith <smith@pooteeweet.org>
+ */
+
+/**
+ * Base class for the management modules that is extended by each MDB2 driver
+ *
+ * To load this module in the MDB2 object:
+ * $mdb->loadModule('Manager');
+ *
+ * @package MDB2
+ * @category Database
+ * @author Lukas Smith <smith@pooteeweet.org>
+ */
+class MDB2_Driver_Manager_Common extends MDB2_Module_Common
+{
+ // {{{ splitTableSchema()
+
+ /**
+ * Split the "[owner|schema].table" notation into an array
+ * @access private
+ */
+ function splitTableSchema($table)
+ {
+ $ret = array();
+ if (strpos($table, '.') !== false) {
+ return explode('.', $table);
+ }
+ return array(null, $table);
+ }
+
+ // }}}
+ // {{{ getFieldDeclarationList()
+
+ /**
+ * Get declaration of a number of field in bulk
+ *
+ * @param array $fields a multidimensional associative array.
+ * The first dimension determines the field name, while the second
+ * dimension is keyed with the name of the properties
+ * of the field being declared as array indexes. Currently, the types
+ * of supported field properties are as follows:
+ *
+ * default
+ * Boolean value to be used as default for this field.
+ *
+ * notnull
+ * Boolean flag that indicates whether this field is constrained
+ * to not be set to null.
+ *
+ * @return mixed string on success, a MDB2 error on failure
+ * @access public
+ */
+ function getFieldDeclarationList($fields)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ if (!is_array($fields) || empty($fields)) {
+ return $db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
+ 'missing any fields', __FUNCTION__);
+ }
+ foreach ($fields as $field_name => $field) {
+ $query = $db->getDeclaration($field['type'], $field_name, $field);
+ if (PEAR::isError($query)) {
+ return $query;
+ }
+ $query_fields[] = $query;
+ }
+ return implode(', ', $query_fields);
+ }
+
+ // }}}
+ // {{{ _fixSequenceName()
+
+ /**
+ * Removes any formatting in an sequence name using the 'seqname_format' option
+ *
+ * @param string $sqn string that containts name of a potential sequence
+ * @param bool $check if only formatted sequences should be returned
+ * @return string name of the sequence with possible formatting removed
+ * @access protected
+ */
+ function _fixSequenceName($sqn, $check = false)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $seq_pattern = '/^'.preg_replace('/%s/', '([a-z0-9_]+)', $db->options['seqname_format']).'$/i';
+ $seq_name = preg_replace($seq_pattern, '\\1', $sqn);
+ if ($seq_name && !strcasecmp($sqn, $db->getSequenceName($seq_name))) {
+ return $seq_name;
+ }
+ if ($check) {
+ return false;
+ }
+ return $sqn;
+ }
+
+ // }}}
+ // {{{ _fixIndexName()
+
+ /**
+ * Removes any formatting in an index name using the 'idxname_format' option
+ *
+ * @param string $idx string that containts name of anl index
+ * @return string name of the index with eventual formatting removed
+ * @access protected
+ */
+ function _fixIndexName($idx)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $idx_pattern = '/^'.preg_replace('/%s/', '([a-z0-9_]+)', $db->options['idxname_format']).'$/i';
+ $idx_name = preg_replace($idx_pattern, '\\1', $idx);
+ if ($idx_name && !strcasecmp($idx, $db->getIndexName($idx_name))) {
+ return $idx_name;
+ }
+ return $idx;
+ }
+
+ // }}}
+ // {{{ createDatabase()
+
+ /**
+ * create a new database
+ *
+ * @param string $name name of the database that should be created
+ * @param array $options array with charset, collation info
+ *
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function createDatabase($database, $options = array())
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'method not implemented', __FUNCTION__);
+ }
+
+ // }}}
+ // {{{ dropDatabase()
+
+ /**
+ * drop an existing database
+ *
+ * @param string $name name of the database that should be dropped
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function dropDatabase($database)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'method not implemented', __FUNCTION__);
+ }
+
+ // }}}
+ // {{{ _getCreateTableQuery()
+
+ /**
+ * Create a basic SQL query for a new table creation
+ *
+ * @param string $name Name of the database that should be created
+ * @param array $fields Associative array that contains the definition of each field of the new table
+ * @param array $options An associative array of table options
+ *
+ * @return mixed string (the SQL query) on success, a MDB2 error on failure
+ * @see createTable()
+ */
+ function _getCreateTableQuery($name, $fields, $options = array())
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ if (!$name) {
+ return $db->raiseError(MDB2_ERROR_CANNOT_CREATE, null, null,
+ 'no valid table name specified', __FUNCTION__);
+ }
+ if (empty($fields)) {
+ return $db->raiseError(MDB2_ERROR_CANNOT_CREATE, null, null,
+ 'no fields specified for table "'.$name.'"', __FUNCTION__);
+ }
+ $query_fields = $this->getFieldDeclarationList($fields);
+ if (PEAR::isError($query_fields)) {
+ return $query_fields;
+ }
+ if (!empty($options['primary'])) {
+ $query_fields.= ', PRIMARY KEY ('.implode(', ', array_keys($options['primary'])).')';
+ }
+
+ $name = $db->quoteIdentifier($name, true);
+ $result = 'CREATE ';
+ if (!empty($options['temporary'])) {
+ $result .= $this->_getTemporaryTableQuery();
+ }
+ $result .= " TABLE $name ($query_fields)";
+ return $result;
+ }
+
+ // }}}
+ // {{{ _getTemporaryTableQuery()
+
+ /**
+ * A method to return the required SQL string that fits between CREATE ... TABLE
+ * to create the table as a temporary table.
+ *
+ * Should be overridden in driver classes to return the correct string for the
+ * specific database type.
+ *
+ * The default is to return the string "TEMPORARY" - this will result in a
+ * SQL error for any database that does not support temporary tables, or that
+ * requires a different SQL command from "CREATE TEMPORARY TABLE".
+ *
+ * @return string The string required to be placed between "CREATE" and "TABLE"
+ * to generate a temporary table, if possible.
+ */
+ function _getTemporaryTableQuery()
+ {
+ return 'TEMPORARY';
+ }
+
+ // }}}
+ // {{{ createTable()
+
+ /**
+ * create a new table
+ *
+ * @param string $name Name of the database that should be created
+ * @param array $fields Associative array that contains the definition of each field of the new table
+ * The indexes of the array entries are the names of the fields of the table an
+ * the array entry values are associative arrays like those that are meant to be
+ * passed with the field definitions to get[Type]Declaration() functions.
+ * array(
+ * 'id' => array(
+ * 'type' => 'integer',
+ * 'unsigned' => 1
+ * 'notnull' => 1
+ * 'default' => 0
+ * ),
+ * 'name' => array(
+ * 'type' => 'text',
+ * 'length' => 12
+ * ),
+ * 'password' => array(
+ * 'type' => 'text',
+ * 'length' => 12
+ * )
+ * );
+ * @param array $options An associative array of table options:
+ * array(
+ * 'comment' => 'Foo',
+ * 'temporary' => true|false,
+ * );
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function createTable($name, $fields, $options = array())
+ {
+ $query = $this->_getCreateTableQuery($name, $fields, $options);
+ if (PEAR::isError($query)) {
+ return $query;
+ }
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+ $result = $db->exec($query);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ return MDB2_OK;
+ }
+
+ // }}}
+ // {{{ dropTable()
+
+ /**
+ * drop an existing table
+ *
+ * @param string $name name of the table that should be dropped
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function dropTable($name)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $name = $db->quoteIdentifier($name, true);
+ return $db->exec("DROP TABLE $name");
+ }
+
+ // }}}
+ // {{{ alterTable()
+
+ /**
+ * alter an existing table
+ *
+ * @param string $name name of the table that is intended to be changed.
+ * @param array $changes associative array that contains the details of each type
+ * of change that is intended to be performed. The types of
+ * changes that are currently supported are defined as follows:
+ *
+ * name
+ *
+ * New name for the table.
+ *
+ * add
+ *
+ * Associative array with the names of fields to be added as
+ * indexes of the array. The value of each entry of the array
+ * should be set to another associative array with the properties
+ * of the fields to be added. The properties of the fields should
+ * be the same as defined by the MDB2 parser.
+ *
+ *
+ * remove
+ *
+ * Associative array with the names of fields to be removed as indexes
+ * of the array. Currently the values assigned to each entry are ignored.
+ * An empty array should be used for future compatibility.
+ *
+ * rename
+ *
+ * Associative array with the names of fields to be renamed as indexes
+ * of the array. The value of each entry of the array should be set to
+ * another associative array with the entry named name with the new
+ * field name and the entry named Declaration that is expected to contain
+ * the portion of the field declaration already in DBMS specific SQL code
+ * as it is used in the CREATE TABLE statement.
+ *
+ * change
+ *
+ * Associative array with the names of the fields to be changed as indexes
+ * of the array. Keep in mind that if it is intended to change either the
+ * name of a field and any other properties, the change array entries
+ * should have the new names of the fields as array indexes.
+ *
+ * The value of each entry of the array should be set to another associative
+ * array with the properties of the fields to that are meant to be changed as
+ * array entries. These entries should be assigned to the new values of the
+ * respective properties. The properties of the fields should be the same
+ * as defined by the MDB2 parser.
+ *
+ * Example
+ * array(
+ * 'name' => 'userlist',
+ * 'add' => array(
+ * 'quota' => array(
+ * 'type' => 'integer',
+ * 'unsigned' => 1
+ * )
+ * ),
+ * 'remove' => array(
+ * 'file_limit' => array(),
+ * 'time_limit' => array()
+ * ),
+ * 'change' => array(
+ * 'name' => array(
+ * 'length' => '20',
+ * 'definition' => array(
+ * 'type' => 'text',
+ * 'length' => 20,
+ * ),
+ * )
+ * ),
+ * 'rename' => array(
+ * 'sex' => array(
+ * 'name' => 'gender',
+ * 'definition' => array(
+ * 'type' => 'text',
+ * 'length' => 1,
+ * 'default' => 'M',
+ * ),
+ * )
+ * )
+ * )
+ *
+ * @param boolean $check indicates whether the function should just check if the DBMS driver
+ * can perform the requested table alterations if the value is true or
+ * actually perform them otherwise.
+ * @access public
+ *
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ */
+ function alterTable($name, $changes, $check)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'method not implemented', __FUNCTION__);
+ }
+
+ // }}}
+ // {{{ listDatabases()
+
+ /**
+ * list all databases
+ *
+ * @return mixed array of database names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listDatabases()
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'method not implementedd', __FUNCTION__);
+ }
+
+ // }}}
+ // {{{ listUsers()
+
+ /**
+ * list all users
+ *
+ * @return mixed array of user names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listUsers()
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'method not implemented', __FUNCTION__);
+ }
+
+ // }}}
+ // {{{ listViews()
+
+ /**
+ * list all views in the current database
+ *
+ * @param string database, the current is default
+ * NB: not all the drivers can get the view names from
+ * a database other than the current one
+ * @return mixed array of view names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listViews($database = null)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'method not implemented', __FUNCTION__);
+ }
+
+ // }}}
+ // {{{ listTableViews()
+
+ /**
+ * list the views in the database that reference a given table
+ *
+ * @param string table for which all referenced views should be found
+ * @return mixed array of view names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listTableViews($table)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'method not implemented', __FUNCTION__);
+ }
+
+ // }}}
+ // {{{ listTableTriggers()
+
+ /**
+ * list all triggers in the database that reference a given table
+ *
+ * @param string table for which all referenced triggers should be found
+ * @return mixed array of trigger names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listTableTriggers($table = null)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'method not implemented', __FUNCTION__);
+ }
+
+ // }}}
+ // {{{ listFunctions()
+
+ /**
+ * list all functions in the current database
+ *
+ * @return mixed array of function names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listFunctions()
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'method not implemented', __FUNCTION__);
+ }
+
+ // }}}
+ // {{{ listTables()
+
+ /**
+ * list all tables in the current database
+ *
+ * @param string database, the current is default.
+ * NB: not all the drivers can get the table names from
+ * a database other than the current one
+ * @return mixed array of table names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listTables($database = null)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'method not implemented', __FUNCTION__);
+ }
+
+ // }}}
+ // {{{ listTableFields()
+
+ /**
+ * list all fields in a table in the current database
+ *
+ * @param string $table name of table that should be used in method
+ * @return mixed array of field names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listTableFields($table)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'method not implemented', __FUNCTION__);
+ }
+
+ // }}}
+ // {{{ createIndex()
+
+ /**
+ * Get the stucture of a field into an array
+ *
+ * @param string $table name of the table on which the index is to be created
+ * @param string $name name of the index to be created
+ * @param array $definition associative array that defines properties of the index to be created.
+ * Currently, only one property named FIELDS is supported. This property
+ * is also an associative with the names of the index fields as array
+ * indexes. Each entry of this array is set to another type of associative
+ * array that specifies properties of the index that are specific to
+ * each field.
+ *
+ * Currently, only the sorting property is supported. It should be used
+ * to define the sorting direction of the index. It may be set to either
+ * ascending or descending.
+ *
+ * Not all DBMS support index sorting direction configuration. The DBMS
+ * drivers of those that do not support it ignore this property. Use the
+ * function supports() to determine whether the DBMS driver can manage indexes.
+ *
+ * Example
+ * array(
+ * 'fields' => array(
+ * 'user_name' => array(
+ * 'sorting' => 'ascending'
+ * ),
+ * 'last_login' => array()
+ * )
+ * )
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function createIndex($table, $name, $definition)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $table = $db->quoteIdentifier($table, true);
+ $name = $db->quoteIdentifier($db->getIndexName($name), true);
+ $query = "CREATE INDEX $name ON $table";
+ $fields = array();
+ foreach (array_keys($definition['fields']) as $field) {
+ $fields[] = $db->quoteIdentifier($field, true);
+ }
+ $query .= ' ('. implode(', ', $fields) . ')';
+ return $db->exec($query);
+ }
+
+ // }}}
+ // {{{ dropIndex()
+
+ /**
+ * drop existing index
+ *
+ * @param string $table name of table that should be used in method
+ * @param string $name name of the index to be dropped
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function dropIndex($table, $name)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $name = $db->quoteIdentifier($db->getIndexName($name), true);
+ return $db->exec("DROP INDEX $name");
+ }
+
+ // }}}
+ // {{{ listTableIndexes()
+
+ /**
+ * list all indexes in a table
+ *
+ * @param string $table name of table that should be used in method
+ * @return mixed array of index names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listTableIndexes($table)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'method not implemented', __FUNCTION__);
+ }
+
+ // }}}
+ // {{{ _getAdvancedFKOptions()
+
+ /**
+ * Return the FOREIGN KEY query section dealing with non-standard options
+ * as MATCH, INITIALLY DEFERRED, ON UPDATE, ...
+ *
+ * @param array $definition
+ * @return string
+ * @access protected
+ */
+ function _getAdvancedFKOptions($definition)
+ {
+ return '';
+ }
+
+ // }}}
+ // {{{ createConstraint()
+
+ /**
+ * create a constraint on a table
+ *
+ * @param string $table name of the table on which the constraint is to be created
+ * @param string $name name of the constraint to be created
+ * @param array $definition associative array that defines properties of the constraint to be created.
+ * The full structure of the array looks like this:
+ * <pre>
+ * array (
+ * [primary] => 0
+ * [unique] => 0
+ * [foreign] => 1
+ * [check] => 0
+ * [fields] => array (
+ * [field1name] => array() // one entry per each field covered
+ * [field2name] => array() // by the index
+ * [field3name] => array(
+ * [sorting] => ascending
+ * [position] => 3
+ * )
+ * )
+ * [references] => array(
+ * [table] => name
+ * [fields] => array(
+ * [field1name] => array( //one entry per each referenced field
+ * [position] => 1
+ * )
+ * )
+ * )
+ * [deferrable] => 0
+ * [initiallydeferred] => 0
+ * [onupdate] => CASCADE|RESTRICT|SET NULL|SET DEFAULT|NO ACTION
+ * [ondelete] => CASCADE|RESTRICT|SET NULL|SET DEFAULT|NO ACTION
+ * [match] => SIMPLE|PARTIAL|FULL
+ * );
+ * </pre>
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function createConstraint($table, $name, $definition)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+ $table = $db->quoteIdentifier($table, true);
+ $name = $db->quoteIdentifier($db->getIndexName($name), true);
+ $query = "ALTER TABLE $table ADD CONSTRAINT $name";
+ if (!empty($definition['primary'])) {
+ $query.= ' PRIMARY KEY';
+ } elseif (!empty($definition['unique'])) {
+ $query.= ' UNIQUE';
+ } elseif (!empty($definition['foreign'])) {
+ $query.= ' FOREIGN KEY';
+ }
+ $fields = array();
+ foreach (array_keys($definition['fields']) as $field) {
+ $fields[] = $db->quoteIdentifier($field, true);
+ }
+ $query .= ' ('. implode(', ', $fields) . ')';
+ if (!empty($definition['foreign'])) {
+ $query.= ' REFERENCES ' . $db->quoteIdentifier($definition['references']['table'], true);
+ $referenced_fields = array();
+ foreach (array_keys($definition['references']['fields']) as $field) {
+ $referenced_fields[] = $db->quoteIdentifier($field, true);
+ }
+ $query .= ' ('. implode(', ', $referenced_fields) . ')';
+ $query .= $this->_getAdvancedFKOptions($definition);
+ }
+ return $db->exec($query);
+ }
+
+ // }}}
+ // {{{ dropConstraint()
+
+ /**
+ * drop existing constraint
+ *
+ * @param string $table name of table that should be used in method
+ * @param string $name name of the constraint to be dropped
+ * @param string $primary hint if the constraint is primary
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function dropConstraint($table, $name, $primary = false)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $table = $db->quoteIdentifier($table, true);
+ $name = $db->quoteIdentifier($db->getIndexName($name), true);
+ return $db->exec("ALTER TABLE $table DROP CONSTRAINT $name");
+ }
+
+ // }}}
+ // {{{ listTableConstraints()
+
+ /**
+ * list all constraints in a table
+ *
+ * @param string $table name of table that should be used in method
+ * @return mixed array of constraint names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listTableConstraints($table)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'method not implemented', __FUNCTION__);
+ }
+
+ // }}}
+ // {{{ createSequence()
+
+ /**
+ * create sequence
+ *
+ * @param string $seq_name name of the sequence to be created
+ * @param string $start start value of the sequence; default is 1
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function createSequence($seq_name, $start = 1)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'method not implemented', __FUNCTION__);
+ }
+
+ // }}}
+ // {{{ dropSequence()
+
+ /**
+ * drop existing sequence
+ *
+ * @param string $seq_name name of the sequence to be dropped
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function dropSequence($name)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'method not implemented', __FUNCTION__);
+ }
+
+ // }}}
+ // {{{ listSequences()
+
+ /**
+ * list all sequences in the current database
+ *
+ * @param string database, the current is default
+ * NB: not all the drivers can get the sequence names from
+ * a database other than the current one
+ * @return mixed array of sequence names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listSequences($database = null)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'method not implemented', __FUNCTION__);
+ }
+
+ // }}}
+}
+?>
\ No newline at end of file diff --git a/program/lib/MDB2/Driver/Manager/mssql.php b/program/lib/MDB2/Driver/Manager/mssql.php new file mode 100644 index 000000000..9cc66f3b7 --- /dev/null +++ b/program/lib/MDB2/Driver/Manager/mssql.php @@ -0,0 +1,815 @@ +<?php
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2007 Manuel Lemos, Tomas V.V.Cox, |
+// | Stig. S. Bakken, Lukas Smith |
+// | All rights reserved. |
+// +----------------------------------------------------------------------+
+// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB |
+// | API as well as database abstraction for PHP applications. |
+// | This LICENSE is in the BSD license style. |
+// | |
+// | Redistribution and use in source and binary forms, with or without |
+// | modification, are permitted provided that the following conditions |
+// | are met: |
+// | |
+// | Redistributions of source code must retain the above copyright |
+// | notice, this list of conditions and the following disclaimer. |
+// | |
+// | Redistributions in binary form must reproduce the above copyright |
+// | notice, this list of conditions and the following disclaimer in the |
+// | documentation and/or other materials provided with the distribution. |
+// | |
+// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, |
+// | Lukas Smith nor the names of his contributors may be used to endorse |
+// | or promote products derived from this software without specific prior|
+// | written permission. |
+// | |
+// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
+// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
+// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
+// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
+// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
+// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
+// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
+// | OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
+// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
+// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
+// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
+// | POSSIBILITY OF SUCH DAMAGE. |
+// +----------------------------------------------------------------------+
+// | Authors: Frank M. Kromann <frank@kromann.info> |
+// | David Coallier <davidc@php.net> |
+// | Lorenzo Alberton <l.alberton@quipo.it> |
+// +----------------------------------------------------------------------+
+//
+// $Id: mssql.php,v 1.93 2007/12/03 20:59:15 quipo Exp $
+//
+
+require_once 'MDB2/Driver/Manager/Common.php';
+
+// {{{ class MDB2_Driver_Manager_mssql
+
+/**
+ * MDB2 MSSQL driver for the management modules
+ *
+ * @package MDB2
+ * @category Database
+ * @author Frank M. Kromann <frank@kromann.info>
+ * @author David Coallier <davidc@php.net>
+ * @author Lorenzo Alberton <l.alberton@quipo.it>
+ */
+class MDB2_Driver_Manager_mssql extends MDB2_Driver_Manager_Common
+{
+ // {{{ createDatabase()
+ /**
+ * create a new database
+ *
+ * @param string $name name of the database that should be created
+ * @param array $options array with collation info
+ *
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function createDatabase($name, $options = array())
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $name = $db->quoteIdentifier($name, true);
+ $query = "CREATE DATABASE $name";
+ if ($db->options['database_device']) {
+ $query.= ' ON '.$db->options['database_device'];
+ $query.= $db->options['database_size'] ? '=' .
+ $db->options['database_size'] : '';
+ }
+ if (!empty($options['collation'])) {
+ $query .= ' COLLATE ' . $options['collation'];
+ }
+ return $db->standaloneQuery($query, null, true);
+ }
+
+ // }}}
+ // {{{ dropDatabase()
+
+ /**
+ * drop an existing database
+ *
+ * @param string $name name of the database that should be dropped
+ *
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function dropDatabase($name)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $name = $db->quoteIdentifier($name, true);
+ return $db->standaloneQuery("DROP DATABASE $name", null, true);
+ }
+
+ // }}}
+ // {{{ _getTemporaryTableQuery()
+
+ /**
+ * Override the parent method.
+ *
+ * @return string The string required to be placed between "CREATE" and "TABLE"
+ * to generate a temporary table, if possible.
+ */
+ function _getTemporaryTableQuery()
+ {
+ return '';
+ }
+
+ // }}}
+ // {{{ _getAdvancedFKOptions()
+
+ /**
+ * Return the FOREIGN KEY query section dealing with non-standard options
+ * as MATCH, INITIALLY DEFERRED, ON UPDATE, ...
+ *
+ * @param array $definition
+ *
+ * @return string
+ * @access protected
+ */
+ function _getAdvancedFKOptions($definition)
+ {
+ $query = '';
+ if (!empty($definition['onupdate'])) {
+ $query .= ' ON UPDATE '.$definition['onupdate'];
+ }
+ if (!empty($definition['ondelete'])) {
+ $query .= ' ON DELETE '.$definition['ondelete'];
+ }
+ return $query;
+ }
+
+ // }}}
+ // {{{ createTable()
+
+ /**
+ * create a new table
+ *
+ * @param string $name Name of the database that should be created
+ * @param array $fields Associative array that contains the definition of each field of the new table
+ * The indexes of the array entries are the names of the fields of the table an
+ * the array entry values are associative arrays like those that are meant to be
+ * passed with the field definitions to get[Type]Declaration() functions.
+ *
+ * Example
+ * array(
+ *
+ * 'id' => array(
+ * 'type' => 'integer',
+ * 'unsigned' => 1,
+ * 'notnull' => 1,
+ * 'default' => 0,
+ * ),
+ * 'name' => array(
+ * 'type' => 'text',
+ * 'length' => 12,
+ * ),
+ * 'description' => array(
+ * 'type' => 'text',
+ * 'length' => 12,
+ * )
+ * );
+ * @param array $options An associative array of table options:
+ * array(
+ * 'comment' => 'Foo',
+ * 'temporary' => true|false,
+ * );
+ *
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function createTable($name, $fields, $options = array())
+ {
+ if (!empty($options['temporary'])) {
+ $name = '#'.$name;
+ }
+ return parent::createTable($name, $fields, $options);
+ }
+
+ // }}}
+ // {{{ alterTable()
+
+ /**
+ * alter an existing table
+ *
+ * @param string $name name of the table that is intended to be changed.
+ * @param array $changes associative array that contains the details of each type
+ * of change that is intended to be performed. The types of
+ * changes that are currently supported are defined as follows:
+ *
+ * name
+ *
+ * New name for the table.
+ *
+ * add
+ *
+ * Associative array with the names of fields to be added as
+ * indexes of the array. The value of each entry of the array
+ * should be set to another associative array with the properties
+ * of the fields to be added. The properties of the fields should
+ * be the same as defined by the MDB2 parser.
+ *
+ *
+ * remove
+ *
+ * Associative array with the names of fields to be removed as indexes
+ * of the array. Currently the values assigned to each entry are ignored.
+ * An empty array should be used for future compatibility.
+ *
+ * rename
+ *
+ * Associative array with the names of fields to be renamed as indexes
+ * of the array. The value of each entry of the array should be set to
+ * another associative array with the entry named name with the new
+ * field name and the entry named Declaration that is expected to contain
+ * the portion of the field declaration already in DBMS specific SQL code
+ * as it is used in the CREATE TABLE statement.
+ *
+ * change
+ *
+ * Associative array with the names of the fields to be changed as indexes
+ * of the array. Keep in mind that if it is intended to change either the
+ * name of a field and any other properties, the change array entries
+ * should have the new names of the fields as array indexes.
+ *
+ * The value of each entry of the array should be set to another associative
+ * array with the properties of the fields to that are meant to be changed as
+ * array entries. These entries should be assigned to the new values of the
+ * respective properties. The properties of the fields should be the same
+ * as defined by the MDB2 parser.
+ *
+ * Example
+ * array(
+ * 'name' => 'userlist',
+ * 'add' => array(
+ * 'quota' => array(
+ * 'type' => 'integer',
+ * 'unsigned' => 1
+ * )
+ * ),
+ * 'remove' => array(
+ * 'file_limit' => array(),
+ * 'time_limit' => array()
+ * ),
+ * 'change' => array(
+ * 'name' => array(
+ * 'length' => '20',
+ * 'definition' => array(
+ * 'type' => 'text',
+ * 'length' => 20,
+ * ),
+ * )
+ * ),
+ * 'rename' => array(
+ * 'sex' => array(
+ * 'name' => 'gender',
+ * 'definition' => array(
+ * 'type' => 'text',
+ * 'length' => 1,
+ * 'default' => 'M',
+ * ),
+ * )
+ * )
+ * )
+ *
+ * @param boolean $check indicates whether the function should just check if the DBMS driver
+ * can perform the requested table alterations if the value is true or
+ * actually perform them otherwise.
+ *
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function alterTable($name, $changes, $check)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ foreach ($changes as $change_name => $change) {
+ switch ($change_name) {
+ case 'add':
+ break;
+ case 'remove':
+ break;
+ case 'name':
+ case 'rename':
+ case 'change':
+ default:
+ return $db->raiseError(MDB2_ERROR_CANNOT_ALTER, null, null,
+ 'change type "'.$change_name.'" not yet supported', __FUNCTION__);
+ }
+ }
+
+ if ($check) {
+ return MDB2_OK;
+ }
+
+ $query = '';
+ if (!empty($changes['add']) && is_array($changes['add'])) {
+ foreach ($changes['add'] as $field_name => $field) {
+ if ($query) {
+ $query.= ', ';
+ } else {
+ $query.= 'ADD COLUMN ';
+ }
+ $query.= $db->getDeclaration($field['type'], $field_name, $field);
+ }
+ }
+
+ if (!empty($changes['remove']) && is_array($changes['remove'])) {
+ foreach ($changes['remove'] as $field_name => $field) {
+ if ($query) {
+ $query.= ', ';
+ }
+ $field_name = $db->quoteIdentifier($field_name, true);
+ $query.= 'DROP COLUMN ' . $field_name;
+ }
+ }
+
+ if (!$query) {
+ return MDB2_OK;
+ }
+
+ $name = $db->quoteIdentifier($name, true);
+ return $db->exec("ALTER TABLE $name $query");
+ }
+
+ // }}}
+ // {{{ listTables()
+
+ /**
+ * list all tables in the current database
+ *
+ * @return mixed array of table names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listTables()
+ {
+ $db =& $this->getDBInstance();
+
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $query = 'EXEC sp_tables @table_type = "\'TABLE\'"';
+ $table_names = $db->queryCol($query, null, 2);
+ if (PEAR::isError($table_names)) {
+ return $table_names;
+ }
+ $result = array();
+ foreach ($table_names as $table_name) {
+ if (!$this->_fixSequenceName($table_name, true)) {
+ $result[] = $table_name;
+ }
+ }
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $result = array_map(($db->options['field_case'] == CASE_LOWER ?
+ 'strtolower' : 'strtoupper'), $result);
+ }
+ return $result;
+ }
+
+ // }}}
+ // {{{ listTableFields()
+
+ /**
+ * list all fields in a table in the current database
+ *
+ * @param string $table name of table that should be used in method
+ *
+ * @return mixed array of field names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listTableFields($table)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $table = $db->quoteIdentifier($table, true);
+ $columns = $db->queryCol("SELECT c.name
+ FROM syscolumns c
+ LEFT JOIN sysobjects o ON c.id = o.id
+ WHERE o.name = '$table'");
+ if (PEAR::isError($columns)) {
+ return $columns;
+ }
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $columns = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $columns);
+ }
+ return $columns;
+ }
+
+ // }}}
+ // {{{ listTableIndexes()
+
+ /**
+ * list all indexes in a table
+ *
+ * @param string $table name of table that should be used in method
+ *
+ * @return mixed array of index names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listTableIndexes($table)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $key_name = 'INDEX_NAME';
+ $pk_name = 'PK_NAME';
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ if ($db->options['field_case'] == CASE_LOWER) {
+ $key_name = strtolower($key_name);
+ $pk_name = strtolower($pk_name);
+ } else {
+ $key_name = strtoupper($key_name);
+ $pk_name = strtoupper($pk_name);
+ }
+ }
+ $table = $db->quote($table, 'text');
+ $query = "EXEC sp_statistics @table_name=$table";
+ $indexes = $db->queryCol($query, 'text', $key_name);
+ if (PEAR::isError($indexes)) {
+ return $indexes;
+ }
+ $query = "EXEC sp_pkeys @table_name=$table";
+ $pk_all = $db->queryCol($query, 'text', $pk_name);
+ $result = array();
+ foreach ($indexes as $index) {
+ if (!in_array($index, $pk_all) && ($index = $this->_fixIndexName($index))) {
+ $result[$index] = true;
+ }
+ }
+
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $result = array_change_key_case($result, $db->options['field_case']);
+ }
+ return array_keys($result);
+ }
+
+ // }}}
+ // {{{ listDatabases()
+
+ /**
+ * list all databases
+ *
+ * @return mixed array of database names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listDatabases()
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $result = $db->queryCol('SELECT name FROM sys.databases');
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
+ }
+ return $result;
+ }
+
+ // }}}
+ // {{{ listUsers()
+
+ /**
+ * list all users
+ *
+ * @return mixed array of user names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listUsers()
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $result = $db->queryCol('SELECT DISTINCT loginame FROM master..sysprocesses');
+ if (PEAR::isError($result) || empty($result)) {
+ return $result;
+ }
+ foreach (array_keys($result) as $k) {
+ $result[$k] = trim($result[$k]);
+ }
+ return $result;
+ }
+
+ // }}}
+ // {{{ listFunctions()
+
+ /**
+ * list all functions in the current database
+ *
+ * @return mixed array of function names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listFunctions()
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $query = "SELECT name
+ FROM sysobjects
+ WHERE objectproperty(id, N'IsMSShipped') = 0
+ AND (objectproperty(id, N'IsTableFunction') = 1
+ OR objectproperty(id, N'IsScalarFunction') = 1)";
+ /*
+ SELECT ROUTINE_NAME
+ FROM INFORMATION_SCHEMA.ROUTINES
+ WHERE ROUTINE_TYPE = 'FUNCTION'
+ */
+ $result = $db->queryCol($query);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
+ }
+ return $result;
+ }
+
+ // }}}
+ // {{{ listTableTriggers()
+
+ /**
+ * list all triggers in the database that reference a given table
+ *
+ * @param string table for which all referenced triggers should be found
+ *
+ * @return mixed array of trigger names on success, otherwise, false which
+ * could be a db error if the db is not instantiated or could
+ * be the results of the error that occured during the
+ * querying of the sysobject module.
+ * @access public
+ */
+ function listTableTriggers($table = null)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $table = $db->quote($table, 'text');
+ $query = "SELECT o.name
+ FROM sysobjects o
+ WHERE xtype = 'TR'
+ AND OBJECTPROPERTY(o.id, 'IsMSShipped') = 0";
+ if (!is_null($table)) {
+ $query .= " AND object_name(parent_obj) = $table";
+ }
+
+ $result = $db->queryCol($query);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE &&
+ $db->options['field_case'] == CASE_LOWER)
+ {
+ $result = array_map(($db->options['field_case'] == CASE_LOWER ?
+ 'strtolower' : 'strtoupper'), $result);
+ }
+ return $result;
+ }
+
+ // }}}
+ // {{{ listViews()
+
+ /**
+ * list all views in the current database
+ *
+ * @param string database, the current is default
+ *
+ * @return mixed array of view names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listViews()
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $query = "SELECT name
+ FROM sysobjects
+ WHERE xtype = 'V'";
+ /*
+ SELECT *
+ FROM sysobjects
+ WHERE objectproperty(id, N'IsMSShipped') = 0
+ AND objectproperty(id, N'IsView') = 1
+ */
+
+ $result = $db->queryCol($query);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE &&
+ $db->options['field_case'] == CASE_LOWER)
+ {
+ $result = array_map(($db->options['field_case'] == CASE_LOWER ?
+ 'strtolower' : 'strtoupper'), $result);
+ }
+ return $result;
+ }
+
+ // }}}
+ // {{{ dropIndex()
+
+ /**
+ * drop existing index
+ *
+ * @param string $table name of table that should be used in method
+ * @param string $name name of the index to be dropped
+ *
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function dropIndex($table, $name)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $table = $db->quoteIdentifier($table, true);
+ $name = $db->quoteIdentifier($db->getIndexName($name), true);
+ return $db->exec("DROP INDEX $table.$name");
+ }
+
+ // }}}
+ // {{{ listTableConstraints()
+
+ /**
+ * list all constraints in a table
+ *
+ * @param string $table name of table that should be used in method
+ *
+ * @return mixed array of constraint names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listTableConstraints($table)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+ $table = $db->quoteIdentifier($table, true);
+
+ $query = "SELECT c.constraint_name
+ FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS c
+ WHERE c.constraint_catalog = DB_NAME()
+ AND c.table_name = '$table'";
+ $constraints = $db->queryCol($query);
+ if (PEAR::isError($constraints)) {
+ return $constraints;
+ }
+
+ $result = array();
+ foreach ($constraints as $constraint) {
+ $constraint = $this->_fixIndexName($constraint);
+ if (!empty($constraint)) {
+ $result[$constraint] = true;
+ }
+ }
+
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $result = array_change_key_case($result, $db->options['field_case']);
+ }
+ return array_keys($result);
+ }
+
+ // }}}
+ // {{{ createSequence()
+
+ /**
+ * create sequence
+ *
+ * @param string $seq_name name of the sequence to be created
+ * @param string $start start value of the sequence; default is 1
+ *
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function createSequence($seq_name, $start = 1)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $sequence_name = $db->quoteIdentifier($db->getSequenceName($seq_name), true);
+ $seqcol_name = $db->quoteIdentifier($db->options['seqcol_name'], true);
+ $query = "CREATE TABLE $sequence_name ($seqcol_name " .
+ "INT PRIMARY KEY CLUSTERED IDENTITY($start,1) NOT NULL)";
+
+ $res = $db->exec($query);
+ if (PEAR::isError($res)) {
+ return $res;
+ }
+
+ $query = "SET IDENTITY_INSERT $sequence_name ON ".
+ "INSERT INTO $sequence_name ($seqcol_name) VALUES ($start)";
+ $res = $db->exec($query);
+
+ if (!PEAR::isError($res)) {
+ return MDB2_OK;
+ }
+
+ $result = $db->exec("DROP TABLE $sequence_name");
+ if (PEAR::isError($result)) {
+ return $db->raiseError($result, null, null,
+ 'could not drop inconsistent sequence table', __FUNCTION__);
+ }
+
+ return $db->raiseError($res, null, null,
+ 'could not create sequence table', __FUNCTION__);
+ }
+
+ // }}}
+ // {{{ dropSequence()
+
+ /**
+ * This function drops an existing sequence
+ *
+ * @param string $seq_name name of the sequence to be dropped
+ *
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function dropSequence($seq_name)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $sequence_name = $db->quoteIdentifier($db->getSequenceName($seq_name), true);
+ return $db->exec("DROP TABLE $sequence_name");
+ }
+
+ // }}}
+ // {{{ listSequences()
+
+ /**
+ * list all sequences in the current database
+ *
+ * @return mixed array of sequence names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listSequences()
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $query = "SELECT name FROM sysobjects WHERE xtype = 'U'";
+ $table_names = $db->queryCol($query);
+ if (PEAR::isError($table_names)) {
+ return $table_names;
+ }
+ $result = array();
+ foreach ($table_names as $table_name) {
+ if ($sqn = $this->_fixSequenceName($table_name, true)) {
+ $result[] = $sqn;
+ }
+ }
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $result = array_map(($db->options['field_case'] == CASE_LOWER ?
+ 'strtolower' : 'strtoupper'), $result);
+ }
+ return $result;
+ }
+
+ // }}}
+}
+
+// }}}
+?>
\ No newline at end of file diff --git a/program/lib/MDB2/Driver/Manager/mysql.php b/program/lib/MDB2/Driver/Manager/mysql.php new file mode 100644 index 000000000..84109be27 --- /dev/null +++ b/program/lib/MDB2/Driver/Manager/mysql.php @@ -0,0 +1,1064 @@ +<?php
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2007 Manuel Lemos, Tomas V.V.Cox, |
+// | Stig. S. Bakken, Lukas Smith |
+// | All rights reserved. |
+// +----------------------------------------------------------------------+
+// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB |
+// | API as well as database abstraction for PHP applications. |
+// | This LICENSE is in the BSD license style. |
+// | |
+// | Redistribution and use in source and binary forms, with or without |
+// | modification, are permitted provided that the following conditions |
+// | are met: |
+// | |
+// | Redistributions of source code must retain the above copyright |
+// | notice, this list of conditions and the following disclaimer. |
+// | |
+// | Redistributions in binary form must reproduce the above copyright |
+// | notice, this list of conditions and the following disclaimer in the |
+// | documentation and/or other materials provided with the distribution. |
+// | |
+// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, |
+// | Lukas Smith nor the names of his contributors may be used to endorse |
+// | or promote products derived from this software without specific prior|
+// | written permission. |
+// | |
+// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
+// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
+// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
+// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
+// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
+// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
+// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
+// | OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
+// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
+// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
+// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
+// | POSSIBILITY OF SUCH DAMAGE. |
+// +----------------------------------------------------------------------+
+// | Author: Lukas Smith <smith@pooteeweet.org> |
+// +----------------------------------------------------------------------+
+//
+// $Id: mysql.php,v 1.100 2007/12/03 20:59:15 quipo Exp $
+//
+
+require_once 'MDB2/Driver/Manager/Common.php';
+
+/**
+ * MDB2 MySQL driver for the management modules
+ *
+ * @package MDB2
+ * @category Database
+ * @author Lukas Smith <smith@pooteeweet.org>
+ */
+class MDB2_Driver_Manager_mysql extends MDB2_Driver_Manager_Common
+{
+
+ // }}}
+ // {{{ createDatabase()
+
+ /**
+ * create a new database
+ *
+ * @param string $name name of the database that should be created
+ * @param array $options array with charset, collation info
+ *
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function createDatabase($name, $options = array())
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $name = $db->quoteIdentifier($name, true);
+ $query = 'CREATE DATABASE ' . $name;
+ if (!empty($options['charset'])) {
+ $query .= ' DEFAULT CHARACTER SET ' . $options['charset'];
+ }
+ if (!empty($options['collation'])) {
+ $query .= ' COLLATE ' . $options['collation'];
+ }
+ $result = $db->exec($query);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ return MDB2_OK;
+ }
+
+ // }}}
+ // {{{ dropDatabase()
+
+ /**
+ * drop an existing database
+ *
+ * @param string $name name of the database that should be dropped
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function dropDatabase($name)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $name = $db->quoteIdentifier($name, true);
+ $query = "DROP DATABASE $name";
+ $result = $db->exec($query);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ return MDB2_OK;
+ }
+
+ // }}}
+ // {{{ _getAdvancedFKOptions()
+
+ /**
+ * Return the FOREIGN KEY query section dealing with non-standard options
+ * as MATCH, INITIALLY DEFERRED, ON UPDATE, ...
+ *
+ * @param array $definition
+ * @return string
+ * @access protected
+ */
+ function _getAdvancedFKOptions($definition)
+ {
+ $query = '';
+ if (!empty($definition['match'])) {
+ $query .= ' MATCH '.$definition['match'];
+ }
+ if (!empty($definition['onupdate'])) {
+ $query .= ' ON UPDATE '.$definition['onupdate'];
+ }
+ if (!empty($definition['ondelete'])) {
+ $query .= ' ON DELETE '.$definition['ondelete'];
+ }
+ return $query;
+ }
+
+ // }}}
+ // {{{ createTable()
+
+ /**
+ * create a new table
+ *
+ * @param string $name Name of the database that should be created
+ * @param array $fields Associative array that contains the definition of each field of the new table
+ * The indexes of the array entries are the names of the fields of the table an
+ * the array entry values are associative arrays like those that are meant to be
+ * passed with the field definitions to get[Type]Declaration() functions.
+ * array(
+ * 'id' => array(
+ * 'type' => 'integer',
+ * 'unsigned' => 1
+ * 'notnull' => 1
+ * 'default' => 0
+ * ),
+ * 'name' => array(
+ * 'type' => 'text',
+ * 'length' => 12
+ * ),
+ * 'password' => array(
+ * 'type' => 'text',
+ * 'length' => 12
+ * )
+ * );
+ * @param array $options An associative array of table options:
+ * array(
+ * 'comment' => 'Foo',
+ * 'charset' => 'utf8',
+ * 'collate' => 'utf8_unicode_ci',
+ * 'type' => 'innodb',
+ * );
+ *
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function createTable($name, $fields, $options = array())
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $query = $this->_getCreateTableQuery($name, $fields, $options);
+ if (PEAR::isError($query)) {
+ return $query;
+ }
+
+ $options_strings = array();
+
+ if (!empty($options['comment'])) {
+ $options_strings['comment'] = 'COMMENT = '.$db->quote($options['comment'], 'text');
+ }
+
+ if (!empty($options['charset'])) {
+ $options_strings['charset'] = 'DEFAULT CHARACTER SET '.$options['charset'];
+ if (!empty($options['collate'])) {
+ $options_strings['charset'].= ' COLLATE '.$options['collate'];
+ }
+ }
+
+ $type = false;
+ if (!empty($options['type'])) {
+ $type = $options['type'];
+ } elseif ($db->options['default_table_type']) {
+ $type = $db->options['default_table_type'];
+ }
+ if ($type) {
+ $options_strings[] = "ENGINE = $type";
+ }
+
+ if (!empty($options_strings)) {
+ $query .= ' '.implode(' ', $options_strings);
+ }
+ $result = $db->exec($query);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ return MDB2_OK;
+ }
+
+ // }}}
+ // {{{ alterTable()
+
+ /**
+ * alter an existing table
+ *
+ * @param string $name name of the table that is intended to be changed.
+ * @param array $changes associative array that contains the details of each type
+ * of change that is intended to be performed. The types of
+ * changes that are currently supported are defined as follows:
+ *
+ * name
+ *
+ * New name for the table.
+ *
+ * add
+ *
+ * Associative array with the names of fields to be added as
+ * indexes of the array. The value of each entry of the array
+ * should be set to another associative array with the properties
+ * of the fields to be added. The properties of the fields should
+ * be the same as defined by the MDB2 parser.
+ *
+ *
+ * remove
+ *
+ * Associative array with the names of fields to be removed as indexes
+ * of the array. Currently the values assigned to each entry are ignored.
+ * An empty array should be used for future compatibility.
+ *
+ * rename
+ *
+ * Associative array with the names of fields to be renamed as indexes
+ * of the array. The value of each entry of the array should be set to
+ * another associative array with the entry named name with the new
+ * field name and the entry named Declaration that is expected to contain
+ * the portion of the field declaration already in DBMS specific SQL code
+ * as it is used in the CREATE TABLE statement.
+ *
+ * change
+ *
+ * Associative array with the names of the fields to be changed as indexes
+ * of the array. Keep in mind that if it is intended to change either the
+ * name of a field and any other properties, the change array entries
+ * should have the new names of the fields as array indexes.
+ *
+ * The value of each entry of the array should be set to another associative
+ * array with the properties of the fields to that are meant to be changed as
+ * array entries. These entries should be assigned to the new values of the
+ * respective properties. The properties of the fields should be the same
+ * as defined by the MDB2 parser.
+ *
+ * Example
+ * array(
+ * 'name' => 'userlist',
+ * 'add' => array(
+ * 'quota' => array(
+ * 'type' => 'integer',
+ * 'unsigned' => 1
+ * )
+ * ),
+ * 'remove' => array(
+ * 'file_limit' => array(),
+ * 'time_limit' => array()
+ * ),
+ * 'change' => array(
+ * 'name' => array(
+ * 'length' => '20',
+ * 'definition' => array(
+ * 'type' => 'text',
+ * 'length' => 20,
+ * ),
+ * )
+ * ),
+ * 'rename' => array(
+ * 'sex' => array(
+ * 'name' => 'gender',
+ * 'definition' => array(
+ * 'type' => 'text',
+ * 'length' => 1,
+ * 'default' => 'M',
+ * ),
+ * )
+ * )
+ * )
+ *
+ * @param boolean $check indicates whether the function should just check if the DBMS driver
+ * can perform the requested table alterations if the value is true or
+ * actually perform them otherwise.
+ * @access public
+ *
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ */
+ function alterTable($name, $changes, $check)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ foreach ($changes as $change_name => $change) {
+ switch ($change_name) {
+ case 'add':
+ case 'remove':
+ case 'change':
+ case 'rename':
+ case 'name':
+ break;
+ default:
+ return $db->raiseError(MDB2_ERROR_CANNOT_ALTER, null, null,
+ 'change type "'.$change_name.'" not yet supported', __FUNCTION__);
+ }
+ }
+
+ if ($check) {
+ return MDB2_OK;
+ }
+
+ $query = '';
+ if (!empty($changes['name'])) {
+ $change_name = $db->quoteIdentifier($changes['name'], true);
+ $query .= 'RENAME TO ' . $change_name;
+ }
+
+ if (!empty($changes['add']) && is_array($changes['add'])) {
+ foreach ($changes['add'] as $field_name => $field) {
+ if ($query) {
+ $query.= ', ';
+ }
+ $query.= 'ADD ' . $db->getDeclaration($field['type'], $field_name, $field);
+ }
+ }
+
+ if (!empty($changes['remove']) && is_array($changes['remove'])) {
+ foreach ($changes['remove'] as $field_name => $field) {
+ if ($query) {
+ $query.= ', ';
+ }
+ $field_name = $db->quoteIdentifier($field_name, true);
+ $query.= 'DROP ' . $field_name;
+ }
+ }
+
+ $rename = array();
+ if (!empty($changes['rename']) && is_array($changes['rename'])) {
+ foreach ($changes['rename'] as $field_name => $field) {
+ $rename[$field['name']] = $field_name;
+ }
+ }
+
+ if (!empty($changes['change']) && is_array($changes['change'])) {
+ foreach ($changes['change'] as $field_name => $field) {
+ if ($query) {
+ $query.= ', ';
+ }
+ if (isset($rename[$field_name])) {
+ $old_field_name = $rename[$field_name];
+ unset($rename[$field_name]);
+ } else {
+ $old_field_name = $field_name;
+ }
+ $old_field_name = $db->quoteIdentifier($old_field_name, true);
+ $query.= "CHANGE $old_field_name " . $db->getDeclaration($field['definition']['type'], $field_name, $field['definition']);
+ }
+ }
+
+ if (!empty($rename) && is_array($rename)) {
+ foreach ($rename as $rename_name => $renamed_field) {
+ if ($query) {
+ $query.= ', ';
+ }
+ $field = $changes['rename'][$renamed_field];
+ $renamed_field = $db->quoteIdentifier($renamed_field, true);
+ $query.= 'CHANGE ' . $renamed_field . ' ' . $db->getDeclaration($field['definition']['type'], $field['name'], $field['definition']);
+ }
+ }
+
+ if (!$query) {
+ return MDB2_OK;
+ }
+
+ $name = $db->quoteIdentifier($name, true);
+ return $db->exec("ALTER TABLE $name $query");
+ }
+
+ // }}}
+ // {{{ listDatabases()
+
+ /**
+ * list all databases
+ *
+ * @return mixed array of database names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listDatabases()
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $result = $db->queryCol('SHOW DATABASES');
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
+ }
+ return $result;
+ }
+
+ // }}}
+ // {{{ listUsers()
+
+ /**
+ * list all users
+ *
+ * @return mixed array of user names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listUsers()
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ return $db->queryCol('SELECT DISTINCT USER FROM mysql.USER');
+ }
+
+ // }}}
+ // {{{ listFunctions()
+
+ /**
+ * list all functions in the current database
+ *
+ * @return mixed array of function names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listFunctions()
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $query = "SELECT name FROM mysql.proc";
+ /*
+ SELECT ROUTINE_NAME
+ FROM INFORMATION_SCHEMA.ROUTINES
+ WHERE ROUTINE_TYPE = 'FUNCTION'
+ */
+ $result = $db->queryCol($query);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
+ }
+ return $result;
+ }
+
+ // }}}
+ // {{{ listTableTriggers()
+
+ /**
+ * list all triggers in the database that reference a given table
+ *
+ * @param string table for which all referenced triggers should be found
+ * @return mixed array of trigger names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listTableTriggers($table = null)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $query = 'SHOW TRIGGERS';
+ if (!is_null($table)) {
+ $table = $db->quote($table, 'text');
+ $query .= " LIKE $table";
+ }
+ $result = $db->queryCol($query);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
+ }
+ return $result;
+ }
+
+ // }}}
+ // {{{ listTables()
+
+ /**
+ * list all tables in the current database
+ *
+ * @param string database, the current is default
+ * @return mixed array of table names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listTables($database = null)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $query = "SHOW /*!50002 FULL*/ TABLES";
+ if (!is_null($database)) {
+ $query .= " FROM $database";
+ }
+ $query.= "/*!50002 WHERE Table_type = 'BASE TABLE'*/";
+
+ $table_names = $db->queryAll($query, null, MDB2_FETCHMODE_ORDERED);
+ if (PEAR::isError($table_names)) {
+ return $table_names;
+ }
+
+ $result = array();
+ foreach ($table_names as $table) {
+ if (!$this->_fixSequenceName($table[0], true)) {
+ $result[] = $table[0];
+ }
+ }
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
+ }
+ return $result;
+ }
+
+ // }}}
+ // {{{ listViews()
+
+ /**
+ * list all views in the current database
+ *
+ * @param string database, the current is default
+ * @return mixed array of view names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listViews($database = null)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $query = 'SHOW FULL TABLES';
+ if (!is_null($database)) {
+ $query.= " FROM $database";
+ }
+ $query.= " WHERE Table_type = 'VIEW'";
+
+ $result = $db->queryCol($query);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
+ }
+ return $result;
+ }
+
+ // }}}
+ // {{{ listTableFields()
+
+ /**
+ * list all fields in a table in the current database
+ *
+ * @param string $table name of table that should be used in method
+ * @return mixed array of field names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listTableFields($table)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $table = $db->quoteIdentifier($table, true);
+ $result = $db->queryCol("SHOW COLUMNS FROM $table");
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
+ }
+ return $result;
+ }
+
+ // }}}
+ // {{{ createIndex()
+
+ /**
+ * Get the stucture of a field into an array
+ *
+ * @author Leoncx
+ * @param string $table name of the table on which the index is to be created
+ * @param string $name name of the index to be created
+ * @param array $definition associative array that defines properties of the index to be created.
+ * Currently, only one property named FIELDS is supported. This property
+ * is also an associative with the names of the index fields as array
+ * indexes. Each entry of this array is set to another type of associative
+ * array that specifies properties of the index that are specific to
+ * each field.
+ *
+ * Currently, only the sorting property is supported. It should be used
+ * to define the sorting direction of the index. It may be set to either
+ * ascending or descending.
+ *
+ * Not all DBMS support index sorting direction configuration. The DBMS
+ * drivers of those that do not support it ignore this property. Use the
+ * function supports() to determine whether the DBMS driver can manage indexes.
+ *
+ * Example
+ * array(
+ * 'fields' => array(
+ * 'user_name' => array(
+ * 'sorting' => 'ascending'
+ * 'length' => 10
+ * ),
+ * 'last_login' => array()
+ * )
+ * )
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function createIndex($table, $name, $definition)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $table = $db->quoteIdentifier($table, true);
+ $name = $db->quoteIdentifier($db->getIndexName($name), true);
+ $query = "CREATE INDEX $name ON $table";
+ $fields = array();
+ foreach ($definition['fields'] as $field => $fieldinfo) {
+ if (!empty($fieldinfo['length'])) {
+ $fields[] = $db->quoteIdentifier($field, true) . '(' . $fieldinfo['length'] . ')';
+ } else {
+ $fields[] = $db->quoteIdentifier($field, true);
+ }
+ }
+ $query .= ' ('. implode(', ', $fields) . ')';
+ return $db->exec($query);
+ }
+
+ // }}}
+ // {{{ dropIndex()
+
+ /**
+ * drop existing index
+ *
+ * @param string $table name of table that should be used in method
+ * @param string $name name of the index to be dropped
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function dropIndex($table, $name)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $table = $db->quoteIdentifier($table, true);
+ $name = $db->quoteIdentifier($db->getIndexName($name), true);
+ return $db->exec("DROP INDEX $name ON $table");
+ }
+
+ // }}}
+ // {{{ listTableIndexes()
+
+ /**
+ * list all indexes in a table
+ *
+ * @param string $table name of table that should be used in method
+ * @return mixed array of index names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listTableIndexes($table)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $key_name = 'Key_name';
+ $non_unique = 'Non_unique';
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ if ($db->options['field_case'] == CASE_LOWER) {
+ $key_name = strtolower($key_name);
+ $non_unique = strtolower($non_unique);
+ } else {
+ $key_name = strtoupper($key_name);
+ $non_unique = strtoupper($non_unique);
+ }
+ }
+
+ $table = $db->quoteIdentifier($table, true);
+ $query = "SHOW INDEX FROM $table";
+ $indexes = $db->queryAll($query, null, MDB2_FETCHMODE_ASSOC);
+ if (PEAR::isError($indexes)) {
+ return $indexes;
+ }
+
+ $result = array();
+ foreach ($indexes as $index_data) {
+ if ($index_data[$non_unique] && ($index = $this->_fixIndexName($index_data[$key_name]))) {
+ $result[$index] = true;
+ }
+ }
+
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $result = array_change_key_case($result, $db->options['field_case']);
+ }
+ return array_keys($result);
+ }
+
+ // }}}
+ // {{{ createConstraint()
+
+ /**
+ * create a constraint on a table
+ *
+ * @param string $table name of the table on which the constraint is to be created
+ * @param string $name name of the constraint to be created
+ * @param array $definition associative array that defines properties of the constraint to be created.
+ * Currently, only one property named FIELDS is supported. This property
+ * is also an associative with the names of the constraint fields as array
+ * constraints. Each entry of this array is set to another type of associative
+ * array that specifies properties of the constraint that are specific to
+ * each field.
+ *
+ * Example
+ * array(
+ * 'fields' => array(
+ * 'user_name' => array(),
+ * 'last_login' => array()
+ * )
+ * )
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function createConstraint($table, $name, $definition)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $type = '';
+ $name = $db->quoteIdentifier($db->getIndexName($name), true);
+ if (!empty($definition['primary'])) {
+ $type = 'PRIMARY';
+ $name = 'KEY';
+ } elseif (!empty($definition['unique'])) {
+ $type = 'UNIQUE';
+ } elseif (!empty($definition['foreign'])) {
+ $type = 'CONSTRAINT';
+ }
+ if (empty($type)) {
+ return $db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
+ 'invalid definition, could not create constraint', __FUNCTION__);
+ }
+
+ $table = $db->quoteIdentifier($table, true);
+ $query = "ALTER TABLE $table ADD $type $name";
+ if (!empty($definition['foreign'])) {
+ $query .= ' FOREIGN KEY ';
+ }
+ $fields = array();
+ foreach (array_keys($definition['fields']) as $field) {
+ $fields[] = $db->quoteIdentifier($field, true);
+ }
+ $query .= ' ('. implode(', ', $fields) . ')';
+ if (!empty($definition['foreign'])) {
+ $query.= ' REFERENCES ' . $db->quoteIdentifier($definition['references']['table'], true);
+ $referenced_fields = array();
+ foreach (array_keys($definition['references']['fields']) as $field) {
+ $referenced_fields[] = $db->quoteIdentifier($field, true);
+ }
+ $query .= ' ('. implode(', ', $referenced_fields) . ')';
+ $query .= $this->_getAdvancedFKOptions($definition);
+ }
+ return $db->exec($query);
+ }
+
+ // }}}
+ // {{{ dropConstraint()
+
+ /**
+ * drop existing constraint
+ *
+ * @param string $table name of table that should be used in method
+ * @param string $name name of the constraint to be dropped
+ * @param string $primary hint if the constraint is primary
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function dropConstraint($table, $name, $primary = false)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $table = $db->quoteIdentifier($table, true);
+ if ($primary || strtolower($name) == 'primary') {
+ $query = "ALTER TABLE $table DROP PRIMARY KEY";
+ } else {
+ $name = $db->quoteIdentifier($db->getIndexName($name), true);
+ $query = "ALTER TABLE $table DROP INDEX $name";
+ }
+ return $db->exec($query);
+ }
+
+ // }}}
+ // {{{ listTableConstraints()
+
+ /**
+ * list all constraints in a table
+ *
+ * @param string $table name of table that should be used in method
+ * @return mixed array of constraint names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listTableConstraints($table)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $key_name = 'Key_name';
+ $non_unique = 'Non_unique';
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ if ($db->options['field_case'] == CASE_LOWER) {
+ $key_name = strtolower($key_name);
+ $non_unique = strtolower($non_unique);
+ } else {
+ $key_name = strtoupper($key_name);
+ $non_unique = strtoupper($non_unique);
+ }
+ }
+
+ $query = 'SHOW INDEX FROM ' . $db->quoteIdentifier($table, true);
+ $indexes = $db->queryAll($query, null, MDB2_FETCHMODE_ASSOC);
+ if (PEAR::isError($indexes)) {
+ return $indexes;
+ }
+
+ $result = array();
+ foreach ($indexes as $index_data) {
+ if (!$index_data[$non_unique]) {
+ if ($index_data[$key_name] !== 'PRIMARY') {
+ $index = $this->_fixIndexName($index_data[$key_name]);
+ } else {
+ $index = 'PRIMARY';
+ }
+ if (!empty($index)) {
+ $result[$index] = true;
+ }
+ }
+ }
+
+ //list FOREIGN KEY constraints...
+ $query = 'SHOW CREATE TABLE '. $db->escape($table);
+ $definition = $db->queryOne($query, 'text', 1);
+ if (!PEAR::isError($definition) && !empty($definition)) {
+ $pattern = '/\bCONSTRAINT\s+([^\s]+)\s+FOREIGN KEY\b/i';
+ if (preg_match_all($pattern, str_replace('`', '', $definition), $matches) > 1) {
+ foreach ($matches[1] as $constraint) {
+ $result[$constraint] = true;
+ }
+ }
+ }
+
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $result = array_change_key_case($result, $db->options['field_case']);
+ }
+ return array_keys($result);
+ }
+
+ // }}}
+ // {{{ createSequence()
+
+ /**
+ * create sequence
+ *
+ * @param string $seq_name name of the sequence to be created
+ * @param string $start start value of the sequence; default is 1
+ * @param array $options An associative array of table options:
+ * array(
+ * 'comment' => 'Foo',
+ * 'charset' => 'utf8',
+ * 'collate' => 'utf8_unicode_ci',
+ * 'type' => 'innodb',
+ * );
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function createSequence($seq_name, $start = 1, $options = array())
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $sequence_name = $db->quoteIdentifier($db->getSequenceName($seq_name), true);
+ $seqcol_name = $db->quoteIdentifier($db->options['seqcol_name'], true);
+
+ $options_strings = array();
+
+ if (!empty($options['comment'])) {
+ $options_strings['comment'] = 'COMMENT = '.$db->quote($options['comment'], 'text');
+ }
+
+ if (!empty($options['charset'])) {
+ $options_strings['charset'] = 'DEFAULT CHARACTER SET '.$options['charset'];
+ if (!empty($options['collate'])) {
+ $options_strings['charset'].= ' COLLATE '.$options['collate'];
+ }
+ }
+
+ $type = false;
+ if (!empty($options['type'])) {
+ $type = $options['type'];
+ } elseif ($db->options['default_table_type']) {
+ $type = $db->options['default_table_type'];
+ }
+ if ($type) {
+ $options_strings[] = "ENGINE = $type";
+ }
+
+ $query = "CREATE TABLE $sequence_name ($seqcol_name INT NOT NULL AUTO_INCREMENT, PRIMARY KEY ($seqcol_name))";
+ if (!empty($options_strings)) {
+ $query .= ' '.implode(' ', $options_strings);
+ }
+ $res = $db->exec($query);
+
+ if (PEAR::isError($res)) {
+ return $res;
+ }
+
+ if ($start == 1) {
+ return MDB2_OK;
+ }
+
+ $query = "INSERT INTO $sequence_name ($seqcol_name) VALUES (".($start-1).')';
+ $res = $db->exec($query);
+ if (!PEAR::isError($res)) {
+ return MDB2_OK;
+ }
+
+ // Handle error
+ $result = $db->exec("DROP TABLE $sequence_name");
+ if (PEAR::isError($result)) {
+ return $db->raiseError($result, null, null,
+ 'could not drop inconsistent sequence table', __FUNCTION__);
+ }
+
+ return $db->raiseError($res, null, null,
+ 'could not create sequence table', __FUNCTION__);
+ }
+
+ // }}}
+ // {{{ dropSequence()
+
+ /**
+ * drop existing sequence
+ *
+ * @param string $seq_name name of the sequence to be dropped
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function dropSequence($seq_name)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $sequence_name = $db->quoteIdentifier($db->getSequenceName($seq_name), true);
+ return $db->exec("DROP TABLE $sequence_name");
+ }
+
+ // }}}
+ // {{{ listSequences()
+
+ /**
+ * list all sequences in the current database
+ *
+ * @param string database, the current is default
+ * @return mixed array of sequence names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listSequences($database = null)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $query = "SHOW TABLES";
+ if (!is_null($database)) {
+ $query .= " FROM $database";
+ }
+ $table_names = $db->queryCol($query);
+ if (PEAR::isError($table_names)) {
+ return $table_names;
+ }
+
+ $result = array();
+ foreach ($table_names as $table_name) {
+ if ($sqn = $this->_fixSequenceName($table_name, true)) {
+ $result[] = $sqn;
+ }
+ }
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
+ }
+ return $result;
+ }
+
+ // }}}
+}
+?>
\ No newline at end of file diff --git a/program/lib/MDB2/Driver/Manager/mysqli.php b/program/lib/MDB2/Driver/Manager/mysqli.php new file mode 100644 index 000000000..42782fca5 --- /dev/null +++ b/program/lib/MDB2/Driver/Manager/mysqli.php @@ -0,0 +1,1067 @@ +<?php
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2007 Manuel Lemos, Tomas V.V.Cox, |
+// | Stig. S. Bakken, Lukas Smith |
+// | All rights reserved. |
+// +----------------------------------------------------------------------+
+// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB |
+// | API as well as database abstraction for PHP applications. |
+// | This LICENSE is in the BSD license style. |
+// | |
+// | Redistribution and use in source and binary forms, with or without |
+// | modification, are permitted provided that the following conditions |
+// | are met: |
+// | |
+// | Redistributions of source code must retain the above copyright |
+// | notice, this list of conditions and the following disclaimer. |
+// | |
+// | Redistributions in binary form must reproduce the above copyright |
+// | notice, this list of conditions and the following disclaimer in the |
+// | documentation and/or other materials provided with the distribution. |
+// | |
+// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, |
+// | Lukas Smith nor the names of his contributors may be used to endorse |
+// | or promote products derived from this software without specific prior|
+// | written permission. |
+// | |
+// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
+// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
+// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
+// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
+// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
+// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
+// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
+// | OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
+// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
+// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
+// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
+// | POSSIBILITY OF SUCH DAMAGE. |
+// +----------------------------------------------------------------------+
+// | Author: Lukas Smith <smith@pooteeweet.org> |
+// +----------------------------------------------------------------------+
+//
+// $Id: mysqli.php,v 1.87 2007/12/03 20:59:15 quipo Exp $
+//
+
+require_once 'MDB2/Driver/Manager/Common.php';
+
+/**
+ * MDB2 MySQLi driver for the management modules
+ *
+ * @package MDB2
+ * @category Database
+ * @author Lukas Smith <smith@pooteeweet.org>
+ */
+class MDB2_Driver_Manager_mysqli extends MDB2_Driver_Manager_Common
+{
+
+ // }}}
+ // {{{ createDatabase()
+
+ /**
+ * create a new database
+ *
+ * @param string $name name of the database that should be created
+ * @param array $options array with charset, collation info
+ *
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function createDatabase($name, $options = array())
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $name = $db->quoteIdentifier($name, true);
+ $query = 'CREATE DATABASE ' . $name;
+ if (!empty($options['charset'])) {
+ $query .= ' DEFAULT CHARACTER SET ' . $options['charset'];
+ }
+ if (!empty($options['collation'])) {
+ $query .= ' COLLATE ' . $options['collation'];
+ }
+ $result = $db->exec($query);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ return MDB2_OK;
+ }
+
+ // }}}
+ // {{{ dropDatabase()
+
+ /**
+ * drop an existing database
+ *
+ * @param string $name name of the database that should be dropped
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function dropDatabase($name)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $name = $db->quoteIdentifier($name, true);
+ $query = "DROP DATABASE $name";
+ $result = $db->exec($query);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ return MDB2_OK;
+ }
+
+ // }}}
+ // {{{ _getAdvancedFKOptions()
+
+ /**
+ * Return the FOREIGN KEY query section dealing with non-standard options
+ * as MATCH, INITIALLY DEFERRED, ON UPDATE, ...
+ *
+ * @param array $definition
+ * @return string
+ * @access protected
+ */
+ function _getAdvancedFKOptions($definition)
+ {
+ $query = '';
+ if (!empty($definition['match'])) {
+ $query .= ' MATCH '.$definition['match'];
+ }
+ if (!empty($definition['onupdate'])) {
+ $query .= ' ON UPDATE '.$definition['onupdate'];
+ }
+ if (!empty($definition['ondelete'])) {
+ $query .= ' ON DELETE '.$definition['ondelete'];
+ }
+ return $query;
+ }
+
+ // }}}
+ // {{{ createTable()
+
+ /**
+ * create a new table
+ *
+ * @param string $name Name of the database that should be created
+ * @param array $fields Associative array that contains the definition of each field of the new table
+ * The indexes of the array entries are the names of the fields of the table an
+ * the array entry values are associative arrays like those that are meant to be
+ * passed with the field definitions to get[Type]Declaration() functions.
+ * array(
+ * 'id' => array(
+ * 'type' => 'integer',
+ * 'unsigned' => 1
+ * 'notnull' => 1
+ * 'default' => 0
+ * ),
+ * 'name' => array(
+ * 'type' => 'text',
+ * 'length' => 12
+ * ),
+ * 'password' => array(
+ * 'type' => 'text',
+ * 'length' => 12
+ * )
+ * );
+ * @param array $options An associative array of table options:
+ * array(
+ * 'comment' => 'Foo',
+ * 'charset' => 'utf8',
+ * 'collate' => 'utf8_unicode_ci',
+ * 'type' => 'innodb',
+ * );
+ *
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function createTable($name, $fields, $options = array())
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $query = $this->_getCreateTableQuery($name, $fields, $options);
+ if (PEAR::isError($query)) {
+ return $query;
+ }
+
+ $options_strings = array();
+
+ if (!empty($options['comment'])) {
+ $options_strings['comment'] = 'COMMENT = '.$db->quote($options['comment'], 'text');
+ }
+
+ if (!empty($options['charset'])) {
+ $options_strings['charset'] = 'DEFAULT CHARACTER SET '.$options['charset'];
+ if (!empty($options['collate'])) {
+ $options_strings['charset'].= ' COLLATE '.$options['collate'];
+ }
+ }
+
+ $type = false;
+ if (!empty($options['type'])) {
+ $type = $options['type'];
+ } elseif ($db->options['default_table_type']) {
+ $type = $db->options['default_table_type'];
+ }
+ if ($type) {
+ $options_strings[] = "ENGINE = $type";
+ }
+
+ if (!empty($options_strings)) {
+ $query .= ' '.implode(' ', $options_strings);
+ }
+ $result = $db->exec($query);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ return MDB2_OK;
+ }
+
+ // }}}
+ // {{{ alterTable()
+
+ /**
+ * alter an existing table
+ *
+ * @param string $name name of the table that is intended to be changed.
+ * @param array $changes associative array that contains the details of each type
+ * of change that is intended to be performed. The types of
+ * changes that are currently supported are defined as follows:
+ *
+ * name
+ *
+ * New name for the table.
+ *
+ * add
+ *
+ * Associative array with the names of fields to be added as
+ * indexes of the array. The value of each entry of the array
+ * should be set to another associative array with the properties
+ * of the fields to be added. The properties of the fields should
+ * be the same as defined by the MDB2 parser.
+ *
+ *
+ * remove
+ *
+ * Associative array with the names of fields to be removed as indexes
+ * of the array. Currently the values assigned to each entry are ignored.
+ * An empty array should be used for future compatibility.
+ *
+ * rename
+ *
+ * Associative array with the names of fields to be renamed as indexes
+ * of the array. The value of each entry of the array should be set to
+ * another associative array with the entry named name with the new
+ * field name and the entry named Declaration that is expected to contain
+ * the portion of the field declaration already in DBMS specific SQL code
+ * as it is used in the CREATE TABLE statement.
+ *
+ * change
+ *
+ * Associative array with the names of the fields to be changed as indexes
+ * of the array. Keep in mind that if it is intended to change either the
+ * name of a field and any other properties, the change array entries
+ * should have the new names of the fields as array indexes.
+ *
+ * The value of each entry of the array should be set to another associative
+ * array with the properties of the fields to that are meant to be changed as
+ * array entries. These entries should be assigned to the new values of the
+ * respective properties. The properties of the fields should be the same
+ * as defined by the MDB2 parser.
+ *
+ * Example
+ * array(
+ * 'name' => 'userlist',
+ * 'add' => array(
+ * 'quota' => array(
+ * 'type' => 'integer',
+ * 'unsigned' => 1
+ * )
+ * ),
+ * 'remove' => array(
+ * 'file_limit' => array(),
+ * 'time_limit' => array()
+ * ),
+ * 'change' => array(
+ * 'name' => array(
+ * 'length' => '20',
+ * 'definition' => array(
+ * 'type' => 'text',
+ * 'length' => 20,
+ * ),
+ * )
+ * ),
+ * 'rename' => array(
+ * 'sex' => array(
+ * 'name' => 'gender',
+ * 'definition' => array(
+ * 'type' => 'text',
+ * 'length' => 1,
+ * 'default' => 'M',
+ * ),
+ * )
+ * )
+ * )
+ *
+ * @param boolean $check indicates whether the function should just check if the DBMS driver
+ * can perform the requested table alterations if the value is true or
+ * actually perform them otherwise.
+ * @access public
+ *
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ */
+ function alterTable($name, $changes, $check)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ foreach ($changes as $change_name => $change) {
+ switch ($change_name) {
+ case 'add':
+ case 'remove':
+ case 'change':
+ case 'rename':
+ case 'name':
+ break;
+ default:
+ return $db->raiseError(MDB2_ERROR_CANNOT_ALTER, null, null,
+ 'change type "'.$change_name.'" not yet supported', __FUNCTION__);
+ }
+ }
+
+ if ($check) {
+ return MDB2_OK;
+ }
+
+ $query = '';
+ if (!empty($changes['name'])) {
+ $change_name = $db->quoteIdentifier($changes['name'], true);
+ $query .= 'RENAME TO ' . $change_name;
+ }
+
+ if (!empty($changes['add']) && is_array($changes['add'])) {
+ foreach ($changes['add'] as $field_name => $field) {
+ if ($query) {
+ $query.= ', ';
+ }
+ $query.= 'ADD ' . $db->getDeclaration($field['type'], $field_name, $field);
+ }
+ }
+
+ if (!empty($changes['remove']) && is_array($changes['remove'])) {
+ foreach ($changes['remove'] as $field_name => $field) {
+ if ($query) {
+ $query.= ', ';
+ }
+ $field_name = $db->quoteIdentifier($field_name, true);
+ $query.= 'DROP ' . $field_name;
+ }
+ }
+
+ $rename = array();
+ if (!empty($changes['rename']) && is_array($changes['rename'])) {
+ foreach ($changes['rename'] as $field_name => $field) {
+ $rename[$field['name']] = $field_name;
+ }
+ }
+
+ if (!empty($changes['change']) && is_array($changes['change'])) {
+ foreach ($changes['change'] as $field_name => $field) {
+ if ($query) {
+ $query.= ', ';
+ }
+ if (isset($rename[$field_name])) {
+ $old_field_name = $rename[$field_name];
+ unset($rename[$field_name]);
+ } else {
+ $old_field_name = $field_name;
+ }
+ $old_field_name = $db->quoteIdentifier($old_field_name, true);
+ $query.= "CHANGE $old_field_name " . $db->getDeclaration($field['definition']['type'], $field_name, $field['definition']);
+ }
+ }
+
+ if (!empty($rename) && is_array($rename)) {
+ foreach ($rename as $rename_name => $renamed_field) {
+ if ($query) {
+ $query.= ', ';
+ }
+ $field = $changes['rename'][$renamed_field];
+ $renamed_field = $db->quoteIdentifier($renamed_field, true);
+ $query.= 'CHANGE ' . $renamed_field . ' ' . $db->getDeclaration($field['definition']['type'], $field['name'], $field['definition']);
+ }
+ }
+
+ if (!$query) {
+ return MDB2_OK;
+ }
+
+ $name = $db->quoteIdentifier($name, true);
+ return $db->exec("ALTER TABLE $name $query");
+ }
+
+ // }}}
+ // {{{ listDatabases()
+
+ /**
+ * list all databases
+ *
+ * @return mixed array of database names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listDatabases()
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $result = $db->queryCol('SHOW DATABASES');
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
+ }
+ return $result;
+ }
+
+ // }}}
+ // {{{ listUsers()
+
+ /**
+ * list all users
+ *
+ * @return mixed array of user names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listUsers()
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ return $db->queryCol('SELECT DISTINCT USER FROM mysql.USER');
+ }
+
+ // }}}
+ // {{{ listFunctions()
+
+ /**
+ * list all functions in the current database
+ *
+ * @return mixed array of function names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listFunctions()
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $query = "SELECT name FROM mysql.proc";
+ /*
+ SELECT ROUTINE_NAME
+ FROM INFORMATION_SCHEMA.ROUTINES
+ WHERE ROUTINE_TYPE = 'FUNCTION'
+ */
+ $result = $db->queryCol($query);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
+ }
+ return $result;
+ }
+
+ // }}}
+ // {{{ listTableTriggers()
+
+ /**
+ * list all triggers in the database that reference a given table
+ *
+ * @param string table for which all referenced triggers should be found
+ * @return mixed array of trigger names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listTableTriggers($table = null)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $query = 'SHOW TRIGGERS';
+ if (!is_null($table)) {
+ $table = $db->quote($table, 'text');
+ $query .= " LIKE $table";
+ }
+ $result = $db->queryCol($query);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
+ }
+ return $result;
+ }
+
+ // }}}
+ // {{{ listTables()
+
+ /**
+ * list all tables in the current database
+ *
+ * @param string database, the current is default
+ * @return mixed array of table names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listTables($database = null)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $query = "SHOW /*!50002 FULL*/ TABLES";
+ if (!is_null($database)) {
+ $query .= " FROM $database";
+ }
+ $query.= "/*!50002 WHERE Table_type = 'BASE TABLE'*/";
+
+ $table_names = $db->queryAll($query, null, MDB2_FETCHMODE_ORDERED);
+ if (PEAR::isError($table_names)) {
+ return $table_names;
+ }
+
+ $result = array();
+ foreach ($table_names as $table) {
+ if (!$this->_fixSequenceName($table[0], true)) {
+ $result[] = $table[0];
+ }
+ }
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
+ }
+ return $result;
+ }
+
+ // }}}
+ // {{{ listViews()
+
+ /**
+ * list all views in the current database
+ *
+ * @param string database, the current is default
+ * @return mixed array of view names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listViews($database = null)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $query = 'SHOW FULL TABLES';
+ if (!is_null($database)) {
+ $query.= " FROM $database";
+ }
+ $query.= " WHERE Table_type = 'VIEW'";
+
+ $result = $db->queryCol($query);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
+ }
+ return $result;
+ }
+
+ // }}}
+ // {{{ listTableFields()
+
+ /**
+ * list all fields in a table in the current database
+ *
+ * @param string $table name of table that should be used in method
+ * @return mixed array of field names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listTableFields($table)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $table = $db->quoteIdentifier($table, true);
+ $result = $db->queryCol("SHOW COLUMNS FROM $table");
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
+ }
+ return $result;
+ }
+
+ // }}}
+ // {{{ createIndex()
+
+ /**
+ * Get the stucture of a field into an array
+ *
+ * @author Leoncx
+ * @param string $table name of the table on which the index is to be created
+ * @param string $name name of the index to be created
+ * @param array $definition associative array that defines properties of the index to be created.
+ * Currently, only one property named FIELDS is supported. This property
+ * is also an associative with the names of the index fields as array
+ * indexes. Each entry of this array is set to another type of associative
+ * array that specifies properties of the index that are specific to
+ * each field.
+ *
+ * Currently, only the sorting property is supported. It should be used
+ * to define the sorting direction of the index. It may be set to either
+ * ascending or descending.
+ *
+ * Not all DBMS support index sorting direction configuration. The DBMS
+ * drivers of those that do not support it ignore this property. Use the
+ * function supports() to determine whether the DBMS driver can manage indexes.
+ *
+ * Example
+ * array(
+ * 'fields' => array(
+ * 'user_name' => array(
+ * 'sorting' => 'ascending'
+ * 'length' => 10
+ * ),
+ * 'last_login' => array()
+ * )
+ * )
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function createIndex($table, $name, $definition)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $table = $db->quoteIdentifier($table, true);
+ $name = $db->quoteIdentifier($db->getIndexName($name), true);
+ $query = "CREATE INDEX $name ON $table";
+ $fields = array();
+ foreach ($definition['fields'] as $field => $fieldinfo) {
+ if (!empty($fieldinfo['length'])) {
+ $fields[] = $db->quoteIdentifier($field, true) . '(' . $fieldinfo['length'] . ')';
+ } else {
+ $fields[] = $db->quoteIdentifier($field, true);
+ }
+ }
+ $query .= ' ('. implode(', ', $fields) . ')';
+ return $db->exec($query);
+ }
+
+ // }}}
+ // {{{ dropIndex()
+
+ /**
+ * drop existing index
+ *
+ * @param string $table name of table that should be used in method
+ * @param string $name name of the index to be dropped
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function dropIndex($table, $name)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $table = $db->quoteIdentifier($table, true);
+ $name = $db->quoteIdentifier($db->getIndexName($name), true);
+ return $db->exec("DROP INDEX $name ON $table");
+ }
+
+ // }}}
+ // {{{ listTableIndexes()
+
+ /**
+ * list all indexes in a table
+ *
+ * @param string $table name of table that should be used in method
+ * @return mixed array of index names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listTableIndexes($table)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $key_name = 'Key_name';
+ $non_unique = 'Non_unique';
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ if ($db->options['field_case'] == CASE_LOWER) {
+ $key_name = strtolower($key_name);
+ $non_unique = strtolower($non_unique);
+ } else {
+ $key_name = strtoupper($key_name);
+ $non_unique = strtoupper($non_unique);
+ }
+ }
+
+ $table = $db->quoteIdentifier($table, true);
+ $query = "SHOW INDEX FROM $table";
+ $indexes = $db->queryAll($query, null, MDB2_FETCHMODE_ASSOC);
+ if (PEAR::isError($indexes)) {
+ return $indexes;
+ }
+
+ $result = array();
+ foreach ($indexes as $index_data) {
+ if ($index_data[$non_unique] && ($index = $this->_fixIndexName($index_data[$key_name]))) {
+ $result[$index] = true;
+ }
+ }
+
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $result = array_change_key_case($result, $db->options['field_case']);
+ }
+ return array_keys($result);
+ }
+
+ // }}}
+ // {{{ createConstraint()
+
+ /**
+ * create a constraint on a table
+ *
+ * @param string $table name of the table on which the constraint is to be created
+ * @param string $name name of the constraint to be created
+ * @param array $definition associative array that defines properties of the constraint to be created.
+ * Currently, only one property named FIELDS is supported. This property
+ * is also an associative with the names of the constraint fields as array
+ * constraints. Each entry of this array is set to another type of associative
+ * array that specifies properties of the constraint that are specific to
+ * each field.
+ *
+ * Example
+ * array(
+ * 'fields' => array(
+ * 'user_name' => array(),
+ * 'last_login' => array()
+ * )
+ * )
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function createConstraint($table, $name, $definition)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $type = '';
+ $name = $db->quoteIdentifier($db->getIndexName($name), true);
+ if (!empty($definition['primary'])) {
+ $type = 'PRIMARY';
+ $name = 'KEY';
+ } elseif (!empty($definition['unique'])) {
+ $type = 'UNIQUE';
+ } elseif (!empty($definition['foreign'])) {
+ $type = 'CONSTRAINT';
+ }
+ if (empty($type)) {
+ return $db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
+ 'invalid definition, could not create constraint', __FUNCTION__);
+ }
+
+ $table = $db->quoteIdentifier($table, true);
+ $query = "ALTER TABLE $table ADD $type $name";
+ if (!empty($definition['foreign'])) {
+ $query .= ' FOREIGN KEY ';
+ }
+ $fields = array();
+ foreach (array_keys($definition['fields']) as $field) {
+ $fields[] = $db->quoteIdentifier($field, true);
+ }
+ $query .= ' ('. implode(', ', $fields) . ')';
+ if (!empty($definition['foreign'])) {
+ $query.= ' REFERENCES ' . $db->quoteIdentifier($definition['references']['table'], true);
+ $referenced_fields = array();
+ foreach (array_keys($definition['references']['fields']) as $field) {
+ $referenced_fields[] = $db->quoteIdentifier($field, true);
+ }
+ $query .= ' ('. implode(', ', $referenced_fields) . ')';
+ $query .= $this->_getAdvancedFKOptions($definition);
+ }
+ return $db->exec($query);
+ }
+
+ // }}}
+ // {{{ dropConstraint()
+
+ /**
+ * drop existing constraint
+ *
+ * @param string $table name of table that should be used in method
+ * @param string $name name of the constraint to be dropped
+ * @param string $primary hint if the constraint is primary
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function dropConstraint($table, $name, $primary = false)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $table = $db->quoteIdentifier($table, true);
+ if ($primary || strtolower($name) == 'primary') {
+ $query = "ALTER TABLE $table DROP PRIMARY KEY";
+ } else {
+ $name = $db->quoteIdentifier($db->getIndexName($name), true);
+ $query = "ALTER TABLE $table DROP INDEX $name";
+ }
+ return $db->exec($query);
+ }
+
+ // }}}
+ // {{{ listTableConstraints()
+
+ /**
+ * list all constraints in a table
+ *
+ * @param string $table name of table that should be used in method
+ * @return mixed array of constraint names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listTableConstraints($table)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $key_name = 'Key_name';
+ $non_unique = 'Non_unique';
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ if ($db->options['field_case'] == CASE_LOWER) {
+ $key_name = strtolower($key_name);
+ $non_unique = strtolower($non_unique);
+ } else {
+ $key_name = strtoupper($key_name);
+ $non_unique = strtoupper($non_unique);
+ }
+ }
+
+ $query = 'SHOW INDEX FROM ' . $db->quoteIdentifier($table, true);
+ $indexes = $db->queryAll($query, null, MDB2_FETCHMODE_ASSOC);
+ if (PEAR::isError($indexes)) {
+ return $indexes;
+ }
+
+ $result = array();
+ foreach ($indexes as $index_data) {
+ if (!$index_data[$non_unique]) {
+ if ($index_data[$key_name] !== 'PRIMARY') {
+ $index = $this->_fixIndexName($index_data[$key_name]);
+ } else {
+ $index = 'PRIMARY';
+ }
+ if (!empty($index)) {
+ $result[$index] = true;
+ }
+ }
+ }
+
+ //list FOREIGN KEY constraints...
+ $query = 'SHOW CREATE TABLE '. $db->escape($table);
+ $definition = $db->queryOne($query, 'text', 1);
+ if (!PEAR::isError($definition) && !empty($definition)) {
+ $pattern = '/\bCONSTRAINT\s+([^\s]+)\s+FOREIGN KEY\b/i';
+ if (preg_match_all($pattern, str_replace('`', '', $definition), $matches) > 1) {
+ foreach ($matches[1] as $constraint) {
+ $result[$constraint] = true;
+ }
+ }
+ }
+
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $result = array_change_key_case($result, $db->options['field_case']);
+ }
+ return array_keys($result);
+ }
+
+ // }}}
+ // {{{ createSequence()
+
+ /**
+ * create sequence
+ *
+ * @param string $seq_name name of the sequence to be created
+ * @param string $start start value of the sequence; default is 1
+ * @param array $options An associative array of table options:
+ * array(
+ * 'comment' => 'Foo',
+ * 'charset' => 'utf8',
+ * 'collate' => 'utf8_unicode_ci',
+ * 'type' => 'innodb',
+ * );
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function createSequence($seq_name, $start = 1, $options = array())
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $sequence_name = $db->quoteIdentifier($db->getSequenceName($seq_name), true);
+ $seqcol_name = $db->quoteIdentifier($db->options['seqcol_name'], true);
+
+ $options_strings = array();
+
+ if (!empty($options['comment'])) {
+ $options_strings['comment'] = 'COMMENT = '.$db->quote($options['comment'], 'text');
+ }
+
+ if (!empty($options['charset'])) {
+ $options_strings['charset'] = 'DEFAULT CHARACTER SET '.$options['charset'];
+ if (!empty($options['collate'])) {
+ $options_strings['charset'].= ' COLLATE '.$options['collate'];
+ }
+ }
+
+ $type = false;
+ if (!empty($options['type'])) {
+ $type = $options['type'];
+ } elseif ($db->options['default_table_type']) {
+ $type = $db->options['default_table_type'];
+ }
+ if ($type) {
+ $options_strings[] = "ENGINE = $type";
+ }
+
+ if (!empty($options_strings)) {
+ $query.= ' '.implode(' ', $options_strings);
+ }
+
+ $query = "CREATE TABLE $sequence_name ($seqcol_name INT NOT NULL AUTO_INCREMENT, PRIMARY KEY ($seqcol_name))";
+ if (!empty($options_strings)) {
+ $query .= ' '.implode(' ', $options_strings);
+ }
+ $res = $db->exec($query);
+ if (PEAR::isError($res)) {
+ return $res;
+ }
+
+ if ($start == 1) {
+ return MDB2_OK;
+ }
+
+ $query = "INSERT INTO $sequence_name ($seqcol_name) VALUES (".($start-1).')';
+ $res = $db->exec($query);
+ if (!PEAR::isError($res)) {
+ return MDB2_OK;
+ }
+
+ // Handle error
+ $result = $db->exec("DROP TABLE $sequence_name");
+ if (PEAR::isError($result)) {
+ return $db->raiseError($result, null, null,
+ 'could not drop inconsistent sequence table', __FUNCTION__);
+ }
+
+ return $db->raiseError($res, null, null,
+ 'could not create sequence table', __FUNCTION__);
+ }
+
+ // }}}
+ // {{{ dropSequence()
+
+ /**
+ * drop existing sequence
+ *
+ * @param string $seq_name name of the sequence to be dropped
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function dropSequence($seq_name)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $sequence_name = $db->quoteIdentifier($db->getSequenceName($seq_name), true);
+ return $db->exec("DROP TABLE $sequence_name");
+ }
+
+ // }}}
+ // {{{ listSequences()
+
+ /**
+ * list all sequences in the current database
+ *
+ * @param string database, the current is default
+ * @return mixed array of sequence names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listSequences($database = null)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $query = "SHOW TABLES";
+ if (!is_null($database)) {
+ $query .= " FROM $database";
+ }
+ $table_names = $db->queryCol($query);
+ if (PEAR::isError($table_names)) {
+ return $table_names;
+ }
+
+ $result = array();
+ foreach ($table_names as $table_name) {
+ if ($sqn = $this->_fixSequenceName($table_name, true)) {
+ $result[] = $sqn;
+ }
+ }
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
+ }
+ return $result;
+ }
+
+ // }}}
+}
+?>
\ No newline at end of file diff --git a/program/lib/MDB2/Driver/Manager/pgsql.php b/program/lib/MDB2/Driver/Manager/pgsql.php new file mode 100644 index 000000000..d5ebbc840 --- /dev/null +++ b/program/lib/MDB2/Driver/Manager/pgsql.php @@ -0,0 +1,765 @@ +<?php
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2007 Manuel Lemos, Tomas V.V.Cox, |
+// | Stig. S. Bakken, Lukas Smith |
+// | All rights reserved. |
+// +----------------------------------------------------------------------+
+// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB |
+// | API as well as database abstraction for PHP applications. |
+// | This LICENSE is in the BSD license style. |
+// | |
+// | Redistribution and use in source and binary forms, with or without |
+// | modification, are permitted provided that the following conditions |
+// | are met: |
+// | |
+// | Redistributions of source code must retain the above copyright |
+// | notice, this list of conditions and the following disclaimer. |
+// | |
+// | Redistributions in binary form must reproduce the above copyright |
+// | notice, this list of conditions and the following disclaimer in the |
+// | documentation and/or other materials provided with the distribution. |
+// | |
+// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, |
+// | Lukas Smith nor the names of his contributors may be used to endorse |
+// | or promote products derived from this software without specific prior|
+// | written permission. |
+// | |
+// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
+// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
+// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
+// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
+// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
+// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
+// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
+// | OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
+// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
+// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
+// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
+// | POSSIBILITY OF SUCH DAMAGE. |
+// +----------------------------------------------------------------------+
+// | Author: Paul Cooper <pgc@ucecom.com> |
+// +----------------------------------------------------------------------+
+//
+// $Id: pgsql.php,v 1.74 2007/12/03 20:59:15 quipo Exp $
+
+require_once 'MDB2/Driver/Manager/Common.php';
+
+/**
+ * MDB2 MySQL driver for the management modules
+ *
+ * @package MDB2
+ * @category Database
+ * @author Paul Cooper <pgc@ucecom.com>
+ */
+class MDB2_Driver_Manager_pgsql extends MDB2_Driver_Manager_Common
+{
+ // {{{ createDatabase()
+
+ /**
+ * create a new database
+ *
+ * @param string $name name of the database that should be created
+ * @param array $options array with charset info
+ *
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function createDatabase($name, $options = array())
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $name = $db->quoteIdentifier($name, true);
+ $query = 'CREATE DATABASE ' . $name;
+ if (!empty($options['charset'])) {
+ $query .= ' WITH ENCODING ' . $db->quote($options['charset'], 'text');
+ }
+ return $db->standaloneQuery($query, null, true);
+ }
+
+ // }}}
+ // {{{ dropDatabase()
+
+ /**
+ * drop an existing database
+ *
+ * @param string $name name of the database that should be dropped
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function dropDatabase($name)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $name = $db->quoteIdentifier($name, true);
+ return $db->standaloneQuery("DROP DATABASE $name", null, true);
+ }
+
+ // }}}
+ // {{{ _getAdvancedFKOptions()
+
+ /**
+ * Return the FOREIGN KEY query section dealing with non-standard options
+ * as MATCH, INITIALLY DEFERRED, ON UPDATE, ...
+ *
+ * @param array $definition
+ * @return string
+ * @access protected
+ */
+ function _getAdvancedFKOptions($definition)
+ {
+ $query = '';
+ if (!empty($definition['match'])) {
+ $query .= ' MATCH '.$definition['match'];
+ }
+ if (!empty($definition['onupdate'])) {
+ $query .= ' ON UPDATE '.$definition['onupdate'];
+ }
+ if (!empty($definition['ondelete'])) {
+ $query .= ' ON DELETE '.$definition['ondelete'];
+ }
+ if (!empty($definition['deferrable'])) {
+ $query .= ' DEFERRABLE';
+ } else {
+ $query .= ' NOT DEFERRABLE';
+ }
+ if (!empty($definition['initiallydeferred'])) {
+ $query .= ' INITIALLY DEFERRED';
+ } else {
+ $query .= ' INITIALLY IMMEDIATE';
+ }
+ return $query;
+ }
+
+ // }}}
+ // {{{ alterTable()
+
+ /**
+ * alter an existing table
+ *
+ * @param string $name name of the table that is intended to be changed.
+ * @param array $changes associative array that contains the details of each type
+ * of change that is intended to be performed. The types of
+ * changes that are currently supported are defined as follows:
+ *
+ * name
+ *
+ * New name for the table.
+ *
+ * add
+ *
+ * Associative array with the names of fields to be added as
+ * indexes of the array. The value of each entry of the array
+ * should be set to another associative array with the properties
+ * of the fields to be added. The properties of the fields should
+ * be the same as defined by the MDB2 parser.
+ *
+ *
+ * remove
+ *
+ * Associative array with the names of fields to be removed as indexes
+ * of the array. Currently the values assigned to each entry are ignored.
+ * An empty array should be used for future compatibility.
+ *
+ * rename
+ *
+ * Associative array with the names of fields to be renamed as indexes
+ * of the array. The value of each entry of the array should be set to
+ * another associative array with the entry named name with the new
+ * field name and the entry named Declaration that is expected to contain
+ * the portion of the field declaration already in DBMS specific SQL code
+ * as it is used in the CREATE TABLE statement.
+ *
+ * change
+ *
+ * Associative array with the names of the fields to be changed as indexes
+ * of the array. Keep in mind that if it is intended to change either the
+ * name of a field and any other properties, the change array entries
+ * should have the new names of the fields as array indexes.
+ *
+ * The value of each entry of the array should be set to another associative
+ * array with the properties of the fields to that are meant to be changed as
+ * array entries. These entries should be assigned to the new values of the
+ * respective properties. The properties of the fields should be the same
+ * as defined by the MDB2 parser.
+ *
+ * Example
+ * array(
+ * 'name' => 'userlist',
+ * 'add' => array(
+ * 'quota' => array(
+ * 'type' => 'integer',
+ * 'unsigned' => 1
+ * )
+ * ),
+ * 'remove' => array(
+ * 'file_limit' => array(),
+ * 'time_limit' => array()
+ * ),
+ * 'change' => array(
+ * 'name' => array(
+ * 'length' => '20',
+ * 'definition' => array(
+ * 'type' => 'text',
+ * 'length' => 20,
+ * ),
+ * )
+ * ),
+ * 'rename' => array(
+ * 'sex' => array(
+ * 'name' => 'gender',
+ * 'definition' => array(
+ * 'type' => 'text',
+ * 'length' => 1,
+ * 'default' => 'M',
+ * ),
+ * )
+ * )
+ * )
+ *
+ * @param boolean $check indicates whether the function should just check if the DBMS driver
+ * can perform the requested table alterations if the value is true or
+ * actually perform them otherwise.
+ * @access public
+ *
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ */
+ function alterTable($name, $changes, $check)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ foreach ($changes as $change_name => $change) {
+ switch ($change_name) {
+ case 'add':
+ case 'remove':
+ case 'change':
+ case 'name':
+ case 'rename':
+ break;
+ default:
+ return $db->raiseError(MDB2_ERROR_CANNOT_ALTER, null, null,
+ 'change type "'.$change_name.'\" not yet supported', __FUNCTION__);
+ }
+ }
+
+ if ($check) {
+ return MDB2_OK;
+ }
+
+ if (!empty($changes['add']) && is_array($changes['add'])) {
+ foreach ($changes['add'] as $field_name => $field) {
+ $query = 'ADD ' . $db->getDeclaration($field['type'], $field_name, $field);
+ $result = $db->exec("ALTER TABLE $name $query");
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ }
+ }
+
+ if (!empty($changes['remove']) && is_array($changes['remove'])) {
+ foreach ($changes['remove'] as $field_name => $field) {
+ $field_name = $db->quoteIdentifier($field_name, true);
+ $query = 'DROP ' . $field_name;
+ $result = $db->exec("ALTER TABLE $name $query");
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ }
+ }
+
+ if (!empty($changes['change']) && is_array($changes['change'])) {
+ foreach ($changes['change'] as $field_name => $field) {
+ $field_name = $db->quoteIdentifier($field_name, true);
+ if (!empty($field['definition']['type'])) {
+ $server_info = $db->getServerVersion();
+ if (PEAR::isError($server_info)) {
+ return $server_info;
+ }
+ if (is_array($server_info) && $server_info['major'] < 8) {
+ return $db->raiseError(MDB2_ERROR_CANNOT_ALTER, null, null,
+ 'changing column type for "'.$change_name.'\" requires PostgreSQL 8.0 or above', __FUNCTION__);
+ }
+ $db->loadModule('Datatype', null, true);
+ $query = "ALTER $field_name TYPE ".$db->datatype->getTypeDeclaration($field['definition']);
+ $result = $db->exec("ALTER TABLE $name $query");
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ }
+ if (array_key_exists('default', $field['definition'])) {
+ $query = "ALTER $field_name SET DEFAULT ".$db->quote($field['definition']['default'], $field['definition']['type']);
+ $result = $db->exec("ALTER TABLE $name $query");
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ }
+ if (!empty($field['definition']['notnull'])) {
+ $query = "ALTER $field_name ".($field['definition']['notnull'] ? 'SET' : 'DROP').' NOT NULL';
+ $result = $db->exec("ALTER TABLE $name $query");
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ }
+ }
+ }
+
+ if (!empty($changes['rename']) && is_array($changes['rename'])) {
+ foreach ($changes['rename'] as $field_name => $field) {
+ $field_name = $db->quoteIdentifier($field_name, true);
+ $result = $db->exec("ALTER TABLE $name RENAME COLUMN $field_name TO ".$db->quoteIdentifier($field['name'], true));
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ }
+ }
+
+ $name = $db->quoteIdentifier($name, true);
+ if (!empty($changes['name'])) {
+ $change_name = $db->quoteIdentifier($changes['name'], true);
+ $result = $db->exec("ALTER TABLE $name RENAME TO ".$change_name);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ }
+
+ return MDB2_OK;
+ }
+
+ // }}}
+ // {{{ listDatabases()
+
+ /**
+ * list all databases
+ *
+ * @return mixed array of database names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listDatabases()
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $query = 'SELECT datname FROM pg_database';
+ $result2 = $db->standaloneQuery($query, array('text'), false);
+ if (!MDB2::isResultCommon($result2)) {
+ return $result2;
+ }
+
+ $result = $result2->fetchCol();
+ $result2->free();
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
+ }
+ return $result;
+ }
+
+ // }}}
+ // {{{ listUsers()
+
+ /**
+ * list all users
+ *
+ * @return mixed array of user names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listUsers()
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $query = 'SELECT usename FROM pg_user';
+ $result2 = $db->standaloneQuery($query, array('text'), false);
+ if (!MDB2::isResultCommon($result2)) {
+ return $result2;
+ }
+
+ $result = $result2->fetchCol();
+ $result2->free();
+ return $result;
+ }
+
+ // }}}
+ // {{{ listViews()
+
+ /**
+ * list all views in the current database
+ *
+ * @return mixed array of view names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listViews()
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $query = "SELECT viewname
+ FROM pg_views
+ WHERE schemaname NOT IN ('pg_catalog', 'information_schema')
+ AND viewname !~ '^pg_'";
+ $result = $db->queryCol($query);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
+ }
+ return $result;
+ }
+
+ // }}}
+ // {{{ listTableViews()
+
+ /**
+ * list the views in the database that reference a given table
+ *
+ * @param string table for which all referenced views should be found
+ * @return mixed array of view names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listTableViews($table)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $query = 'SELECT viewname FROM pg_views NATURAL JOIN pg_tables';
+ $query.= ' WHERE tablename ='.$db->quote($table, 'text');
+ $result = $db->queryCol($query);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
+ }
+ return $result;
+ }
+
+ // }}}
+ // {{{ listFunctions()
+
+ /**
+ * list all functions in the current database
+ *
+ * @return mixed array of function names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listFunctions()
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $query = "
+ SELECT
+ proname
+ FROM
+ pg_proc pr,
+ pg_type tp
+ WHERE
+ tp.oid = pr.prorettype
+ AND pr.proisagg = FALSE
+ AND tp.typname <> 'trigger'
+ AND pr.pronamespace IN
+ (SELECT oid FROM pg_namespace WHERE nspname NOT LIKE 'pg_%' AND nspname != 'information_schema')";
+ $result = $db->queryCol($query);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
+ }
+ return $result;
+ }
+
+ // }}}
+ // {{{ listTableTriggers()
+
+ /**
+ * list all triggers in the database that reference a given table
+ *
+ * @param string table for which all referenced triggers should be found
+ * @return mixed array of trigger names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listTableTriggers($table = null)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $query = 'SELECT trg.tgname AS trigger_name
+ FROM pg_trigger trg,
+ pg_class tbl
+ WHERE trg.tgrelid = tbl.oid';
+ if (!is_null($table)) {
+ $table = $db->quote(strtoupper($table), 'text');
+ $query .= " AND tbl.relname = $table";
+ }
+ $result = $db->queryCol($query);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
+ }
+ return $result;
+ }
+
+ // }}}
+ // {{{ listTables()
+
+ /**
+ * list all tables in the current database
+ *
+ * @return mixed array of table names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listTables()
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ // gratuitously stolen from PEAR DB _getSpecialQuery in pgsql.php
+ $query = 'SELECT c.relname AS "Name"'
+ . ' FROM pg_class c, pg_user u'
+ . ' WHERE c.relowner = u.usesysid'
+ . " AND c.relkind = 'r'"
+ . ' AND NOT EXISTS'
+ . ' (SELECT 1 FROM pg_views'
+ . ' WHERE viewname = c.relname)'
+ . " AND c.relname !~ '^(pg_|sql_)'"
+ . ' UNION'
+ . ' SELECT c.relname AS "Name"'
+ . ' FROM pg_class c'
+ . " WHERE c.relkind = 'r'"
+ . ' AND NOT EXISTS'
+ . ' (SELECT 1 FROM pg_views'
+ . ' WHERE viewname = c.relname)'
+ . ' AND NOT EXISTS'
+ . ' (SELECT 1 FROM pg_user'
+ . ' WHERE usesysid = c.relowner)'
+ . " AND c.relname !~ '^pg_'";
+ $result = $db->queryCol($query);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
+ }
+ return $result;
+ }
+
+ // }}}
+ // {{{ listTableFields()
+
+ /**
+ * list all fields in a table in the current database
+ *
+ * @param string $table name of table that should be used in method
+ * @return mixed array of field names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listTableFields($table)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $table = $db->quoteIdentifier($table, true);
+ $db->setLimit(1);
+ $result2 = $db->query("SELECT * FROM $table");
+ if (PEAR::isError($result2)) {
+ return $result2;
+ }
+ $result = $result2->getColumnNames();
+ $result2->free();
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ return array_flip($result);
+ }
+
+ // }}}
+ // {{{ listTableIndexes()
+
+ /**
+ * list all indexes in a table
+ *
+ * @param string $table name of table that should be used in method
+ * @return mixed array of index names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listTableIndexes($table)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $table = $db->quote($table, 'text');
+ $subquery = "SELECT indexrelid FROM pg_index, pg_class";
+ $subquery.= " WHERE pg_class.relname=$table AND pg_class.oid=pg_index.indrelid AND indisunique != 't' AND indisprimary != 't'";
+ $query = "SELECT relname FROM pg_class WHERE oid IN ($subquery)";
+ $indexes = $db->queryCol($query, 'text');
+ if (PEAR::isError($indexes)) {
+ return $indexes;
+ }
+
+ $result = array();
+ foreach ($indexes as $index) {
+ $index = $this->_fixIndexName($index);
+ if (!empty($index)) {
+ $result[$index] = true;
+ }
+ }
+
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $result = array_change_key_case($result, $db->options['field_case']);
+ }
+ return array_keys($result);
+ }
+
+ // }}}
+ // {{{ listTableConstraints()
+
+ /**
+ * list all constraints in a table
+ *
+ * @param string $table name of table that should be used in method
+ * @return mixed array of constraint names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listTableConstraints($table)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $table = $db->quote($table, 'text');
+ $subquery = "SELECT indexrelid FROM pg_index, pg_class";
+ $subquery.= " WHERE pg_class.relname=$table AND pg_class.oid=pg_index.indrelid AND (indisunique = 't' OR indisprimary = 't')";
+ $query = "SELECT relname FROM pg_class WHERE oid IN ($subquery)";
+ $constraints = $db->queryCol($query);
+ if (PEAR::isError($constraints)) {
+ return $constraints;
+ }
+
+ $result = array();
+ foreach ($constraints as $constraint) {
+ $constraint = $this->_fixIndexName($constraint);
+ if (!empty($constraint)) {
+ $result[$constraint] = true;
+ }
+ }
+
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE
+ && $db->options['field_case'] == CASE_LOWER
+ ) {
+ $result = array_change_key_case($result, $db->options['field_case']);
+ }
+ return array_keys($result);
+ }
+
+ // }}}
+ // {{{ createSequence()
+
+ /**
+ * create sequence
+ *
+ * @param string $seq_name name of the sequence to be created
+ * @param string $start start value of the sequence; default is 1
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function createSequence($seq_name, $start = 1)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $sequence_name = $db->quoteIdentifier($db->getSequenceName($seq_name), true);
+ return $db->exec("CREATE SEQUENCE $sequence_name INCREMENT 1".
+ ($start < 1 ? " MINVALUE $start" : '')." START $start");
+ }
+
+ // }}}
+ // {{{ dropSequence()
+
+ /**
+ * drop existing sequence
+ *
+ * @param string $seq_name name of the sequence to be dropped
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function dropSequence($seq_name)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $sequence_name = $db->quoteIdentifier($db->getSequenceName($seq_name), true);
+ return $db->exec("DROP SEQUENCE $sequence_name");
+ }
+
+ // }}}
+ // {{{ listSequences()
+
+ /**
+ * list all sequences in the current database
+ *
+ * @return mixed array of sequence names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listSequences()
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $query = "SELECT relname FROM pg_class WHERE relkind = 'S' AND relnamespace IN";
+ $query.= "(SELECT oid FROM pg_namespace WHERE nspname NOT LIKE 'pg_%' AND nspname != 'information_schema')";
+ $table_names = $db->queryCol($query);
+ if (PEAR::isError($table_names)) {
+ return $table_names;
+ }
+ $result = array();
+ foreach ($table_names as $table_name) {
+ $result[] = $this->_fixSequenceName($table_name);
+ }
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
+ }
+ return $result;
+ }
+}
+?>
\ No newline at end of file diff --git a/program/lib/MDB2/Driver/Manager/sqlite.php b/program/lib/MDB2/Driver/Manager/sqlite.php new file mode 100644 index 000000000..f126ff146 --- /dev/null +++ b/program/lib/MDB2/Driver/Manager/sqlite.php @@ -0,0 +1,1325 @@ +<?php
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2007 Manuel Lemos, Tomas V.V.Cox, |
+// | Stig. S. Bakken, Lukas Smith, Lorenzo Alberton |
+// | All rights reserved. |
+// +----------------------------------------------------------------------+
+// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB |
+// | API as well as database abstraction for PHP applications. |
+// | This LICENSE is in the BSD license style. |
+// | |
+// | Redistribution and use in source and binary forms, with or without |
+// | modification, are permitted provided that the following conditions |
+// | are met: |
+// | |
+// | Redistributions of source code must retain the above copyright |
+// | notice, this list of conditions and the following disclaimer. |
+// | |
+// | Redistributions in binary form must reproduce the above copyright |
+// | notice, this list of conditions and the following disclaimer in the |
+// | documentation and/or other materials provided with the distribution. |
+// | |
+// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, |
+// | Lukas Smith nor the names of his contributors may be used to endorse |
+// | or promote products derived from this software without specific prior|
+// | written permission. |
+// | |
+// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
+// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
+// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
+// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
+// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
+// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
+// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
+// | OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
+// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
+// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
+// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
+// | POSSIBILITY OF SUCH DAMAGE. |
+// +----------------------------------------------------------------------+
+// | Authors: Lukas Smith <smith@pooteeweet.org> |
+// | Lorenzo Alberton <l.alberton@quipo.it> |
+// +----------------------------------------------------------------------+
+//
+// $Id: sqlite.php,v 1.72 2007/12/03 20:59:15 quipo Exp $
+//
+
+require_once 'MDB2/Driver/Manager/Common.php';
+
+/**
+ * MDB2 SQLite driver for the management modules
+ *
+ * @package MDB2
+ * @category Database
+ * @author Lukas Smith <smith@pooteeweet.org>
+ * @author Lorenzo Alberton <l.alberton@quipo.it>
+ */
+class MDB2_Driver_Manager_sqlite extends MDB2_Driver_Manager_Common
+{
+ // {{{ createDatabase()
+
+ /**
+ * create a new database
+ *
+ * @param string $name name of the database that should be created
+ * @param array $options array with charset info
+ *
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function createDatabase($name, $options = array())
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $database_file = $db->_getDatabaseFile($name);
+ if (file_exists($database_file)) {
+ return $db->raiseError(MDB2_ERROR_ALREADY_EXISTS, null, null,
+ 'database already exists', __FUNCTION__);
+ }
+ $php_errormsg = '';
+ $handle = @sqlite_open($database_file, $db->dsn['mode'], $php_errormsg);
+ if (!$handle) {
+ return $db->raiseError(MDB2_ERROR_CANNOT_CREATE, null, null,
+ (isset($php_errormsg) ? $php_errormsg : 'could not create the database file'), __FUNCTION__);
+ }
+ if (!empty($options['charset'])) {
+ $query = 'PRAGMA encoding = ' . $db->quote($options['charset'], 'text');
+ @sqlite_query($query, $handle);
+ }
+ @sqlite_close($handle);
+ return MDB2_OK;
+ }
+
+ // }}}
+ // {{{ dropDatabase()
+
+ /**
+ * drop an existing database
+ *
+ * @param string $name name of the database that should be dropped
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function dropDatabase($name)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $database_file = $db->_getDatabaseFile($name);
+ if (!@file_exists($database_file)) {
+ return $db->raiseError(MDB2_ERROR_CANNOT_DROP, null, null,
+ 'database does not exist', __FUNCTION__);
+ }
+ $result = @unlink($database_file);
+ if (!$result) {
+ return $db->raiseError(MDB2_ERROR_CANNOT_DROP, null, null,
+ (isset($php_errormsg) ? $php_errormsg : 'could not remove the database file'), __FUNCTION__);
+ }
+ return MDB2_OK;
+ }
+
+ // }}}
+ // {{{ _getAdvancedFKOptions()
+
+ /**
+ * Return the FOREIGN KEY query section dealing with non-standard options
+ * as MATCH, INITIALLY DEFERRED, ON UPDATE, ...
+ *
+ * @param array $definition
+ * @return string
+ * @access protected
+ */
+ function _getAdvancedFKOptions($definition)
+ {
+ $query = '';
+ if (!empty($definition['match'])) {
+ $query .= ' MATCH '.$definition['match'];
+ }
+ if (!empty($definition['onupdate']) && (strtoupper($definition['onupdate']) != 'NO ACTION')) {
+ $query .= ' ON UPDATE '.$definition['onupdate'];
+ }
+ if (!empty($definition['ondelete']) && (strtoupper($definition['ondelete']) != 'NO ACTION')) {
+ $query .= ' ON DELETE '.$definition['ondelete'];
+ }
+ if (!empty($definition['deferrable'])) {
+ $query .= ' DEFERRABLE';
+ } else {
+ $query .= ' NOT DEFERRABLE';
+ }
+ if (!empty($definition['initiallydeferred'])) {
+ $query .= ' INITIALLY DEFERRED';
+ } else {
+ $query .= ' INITIALLY IMMEDIATE';
+ }
+ return $query;
+ }
+
+ // }}}
+ // {{{ _getCreateTableQuery()
+
+ /**
+ * Create a basic SQL query for a new table creation
+ * @param string $name Name of the database that should be created
+ * @param array $fields Associative array that contains the definition of each field of the new table
+ * @param array $options An associative array of table options
+ * @return mixed string (the SQL query) on success, a MDB2 error on failure
+ * @see createTable()
+ */
+ function _getCreateTableQuery($name, $fields, $options = array())
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ if (!$name) {
+ return $db->raiseError(MDB2_ERROR_CANNOT_CREATE, null, null,
+ 'no valid table name specified', __FUNCTION__);
+ }
+ if (empty($fields)) {
+ return $db->raiseError(MDB2_ERROR_CANNOT_CREATE, null, null,
+ 'no fields specified for table "'.$name.'"', __FUNCTION__);
+ }
+ $query_fields = $this->getFieldDeclarationList($fields);
+ if (PEAR::isError($query_fields)) {
+ return $query_fields;
+ }
+ if (!empty($options['primary'])) {
+ $query_fields.= ', PRIMARY KEY ('.implode(', ', array_keys($options['primary'])).')';
+ }
+ if (!empty($options['foreign_keys'])) {
+ foreach ($options['foreign_keys'] as $fkname => $fkdef) {
+ if (empty($fkdef)) {
+ continue;
+ }
+ $query_fields.= ', CONSTRAINT '.$fkname.' FOREIGN KEY ('.implode(', ', array_keys($fkdef['fields'])).')';
+ $query_fields.= ' REFERENCES '.$fkdef['references']['table'].' ('.implode(', ', array_keys($fkdef['references']['fields'])).')';
+ $query_fields.= $this->_getAdvancedFKOptions($fkdef);
+ }
+ }
+
+ $name = $db->quoteIdentifier($name, true);
+ $result = 'CREATE ';
+ if (!empty($options['temporary'])) {
+ $result .= $this->_getTemporaryTableQuery();
+ }
+ $result .= " TABLE $name ($query_fields)";
+ return $result;
+ }
+
+ // }}}
+ // {{{ createTable()
+
+ /**
+ * create a new table
+ *
+ * @param string $name Name of the database that should be created
+ * @param array $fields Associative array that contains the definition of each field of the new table
+ * @param array $options An associative array of table options
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function createTable($name, $fields, $options = array())
+ {
+ $result = parent::createTable($name, $fields, $options);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ // create triggers to enforce FOREIGN KEY constraints
+ if (!empty($options['foreign_keys'])) {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+ foreach ($options['foreign_keys'] as $fkname => $fkdef) {
+ if (empty($fkdef)) {
+ continue;
+ }
+ //set actions to 'RESTRICT' if not set
+ $fkdef['onupdate'] = empty($fkdef['onupdate']) ? 'RESTRICT' : strtoupper($fkdef['onupdate']);
+ $fkdef['ondelete'] = empty($fkdef['ondelete']) ? 'RESTRICT' : strtoupper($fkdef['ondelete']);
+
+ $trigger_names = array(
+ 'insert' => $fkname.'_insert_trg',
+ 'update' => $fkname.'_update_trg',
+ 'pk_update' => $fkname.'_pk_update_trg',
+ 'pk_delete' => $fkname.'_pk_delete_trg',
+ );
+
+ //create the [insert|update] triggers on the FK table
+ $table_fields = array_keys($fkdef['fields']);
+ $referenced_fields = array_keys($fkdef['references']['fields']);
+ $query = 'CREATE TRIGGER %s BEFORE %s ON '.$name
+ .' FOR EACH ROW BEGIN'
+ .' SELECT RAISE(ROLLBACK, \'%s on table "'.$name.'" violates FOREIGN KEY constraint "'.$fkname.'"\')'
+ .' WHERE (SELECT ';
+ $aliased_fields = array();
+ foreach ($referenced_fields as $field) {
+ $aliased_fields[] = $fkdef['references']['table'] .'.'.$field .' AS '.$field;
+ }
+ $query .= implode(',', $aliased_fields)
+ .' FROM '.$fkdef['references']['table']
+ .' WHERE ';
+ $conditions = array();
+ for ($i=0; $i<count($table_fields); $i++) {
+ $conditions[] = $referenced_fields[$i] .' = NEW.'.$table_fields[$i];
+ }
+ $query .= implode(' AND ', $conditions).') IS NULL; END;';
+ $result = $db->exec(sprintf($query, $trigger_names['insert'], 'INSERT', 'insert'));
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+
+ $result = $db->exec(sprintf($query, $trigger_names['update'], 'UPDATE', 'update'));
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+
+ //create the ON [UPDATE|DELETE] triggers on the primary table
+ $restrict_action = 'SELECT RAISE(ROLLBACK, \'%s on table "'.$name.'" violates FOREIGN KEY constraint "'.$fkname.'"\')'
+ .' WHERE (SELECT ';
+ $aliased_fields = array();
+ foreach ($table_fields as $field) {
+ $aliased_fields[] = $name .'.'.$field .' AS '.$field;
+ }
+ $restrict_action .= implode(',', $aliased_fields)
+ .' FROM '.$name
+ .' WHERE ';
+ $conditions = array();
+ $new_values = array();
+ $null_values = array();
+ for ($i=0; $i<count($table_fields); $i++) {
+ $conditions[] = $table_fields[$i] .' = OLD.'.$referenced_fields[$i];
+ $new_values[] = $table_fields[$i] .' = NEW.'.$referenced_fields[$i];
+ $null_values[] = $table_fields[$i] .' = NULL';
+ }
+ $restrict_action .= implode(' AND ', $conditions).') IS NOT NULL';
+
+ $cascade_action_update = 'UPDATE '.$name.' SET '.implode(', ', $new_values) .' WHERE '.implode(' AND ', $conditions);
+ $cascade_action_delete = 'DELETE FROM '.$name.' WHERE '.implode(' AND ', $conditions);
+ $setnull_action = 'UPDATE '.$name.' SET '.implode(', ', $null_values).' WHERE '.implode(' AND ', $conditions);
+
+ if ('SET DEFAULT' == $fkdef['onupdate'] || 'SET DEFAULT' == $fkdef['ondelete']) {
+ $db->loadModule('Reverse', null, true);
+ $default_values = array();
+ foreach ($table_fields as $table_field) {
+ $field_definition = $db->reverse->getTableFieldDefinition($name, $field);
+ if (PEAR::isError($field_definition)) {
+ return $field_definition;
+ }
+ $default_values[] = $table_field .' = '. $field_definition[0]['default'];
+ }
+ $setdefault_action = 'UPDATE '.$name.' SET '.implode(', ', $default_values).' WHERE '.implode(' AND ', $conditions);
+ }
+
+ $query = 'CREATE TRIGGER %s'
+ .' %s ON '.$fkdef['references']['table']
+ .' FOR EACH ROW BEGIN ';
+
+ if ('CASCADE' == $fkdef['onupdate']) {
+ $sql_update = sprintf($query, $trigger_names['pk_update'], 'AFTER UPDATE', 'update') . $cascade_action_update. '; END;';
+ } elseif ('SET NULL' == $fkdef['onupdate']) {
+ $sql_update = sprintf($query, $trigger_names['pk_update'], 'BEFORE UPDATE', 'update') . $setnull_action. '; END;';
+ } elseif ('SET DEFAULT' == $fkdef['onupdate']) {
+ $sql_update = sprintf($query, $trigger_names['pk_update'], 'BEFORE UPDATE', 'update') . $setdefault_action. '; END;';
+ } elseif ('NO ACTION' == $fkdef['onupdate']) {
+ $sql_update = sprintf($query.$restrict_action, $trigger_names['pk_update'], 'AFTER UPDATE', 'update') . '; END;';
+ } else {
+ //'RESTRICT'
+ $sql_update = sprintf($query.$restrict_action, $trigger_names['pk_update'], 'BEFORE UPDATE', 'update') . '; END;';
+ }
+ if ('CASCADE' == $fkdef['ondelete']) {
+ $sql_delete = sprintf($query, $trigger_names['pk_delete'], 'AFTER DELETE', 'delete') . $cascade_action_delete. '; END;';
+ } elseif ('SET NULL' == $fkdef['ondelete']) {
+ $sql_delete = sprintf($query, $trigger_names['pk_delete'], 'BEFORE DELETE', 'delete') . $setnull_action. '; END;';
+ } elseif ('SET DEFAULT' == $fkdef['ondelete']) {
+ $sql_delete = sprintf($query, $trigger_names['pk_delete'], 'BEFORE DELETE', 'delete') . $setdefault_action. '; END;';
+ } elseif ('NO ACTION' == $fkdef['ondelete']) {
+ $sql_delete = sprintf($query.$restrict_action, $trigger_names['pk_delete'], 'AFTER DELETE', 'delete') . '; END;';
+ } else {
+ //'RESTRICT'
+ $sql_delete = sprintf($query.$restrict_action, $trigger_names['pk_delete'], 'BEFORE DELETE', 'delete') . '; END;';
+ }
+
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ $result = $db->exec($sql_delete);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ $result = $db->exec($sql_update);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ }
+ }
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ return MDB2_OK;
+ }
+
+ // }}}
+ // {{{ dropTable()
+
+ /**
+ * drop an existing table
+ *
+ * @param string $name name of the table that should be dropped
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function dropTable($name)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ //delete the triggers associated to existing FK constraints
+ $constraints = $this->listTableConstraints($name);
+ if (!PEAR::isError($constraints) && !empty($constraints)) {
+ $db->loadModule('Reverse', null, true);
+ foreach ($constraints as $constraint) {
+ $definition = $db->reverse->getTableConstraintDefinition($name, $constraint);
+ if (!PEAR::isError($definition) && !empty($definition['foreign'])) {
+ $result = $this->_dropFKTriggers($name, $constraint, $definition['references']['table']);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ }
+ }
+ }
+
+ $name = $db->quoteIdentifier($name, true);
+ return $db->exec("DROP TABLE $name");
+ }
+
+ // }}}
+ // {{{ alterTable()
+
+ /**
+ * alter an existing table
+ *
+ * @param string $name name of the table that is intended to be changed.
+ * @param array $changes associative array that contains the details of each type
+ * of change that is intended to be performed. The types of
+ * changes that are currently supported are defined as follows:
+ *
+ * name
+ *
+ * New name for the table.
+ *
+ * add
+ *
+ * Associative array with the names of fields to be added as
+ * indexes of the array. The value of each entry of the array
+ * should be set to another associative array with the properties
+ * of the fields to be added. The properties of the fields should
+ * be the same as defined by the MDB2 parser.
+ *
+ *
+ * remove
+ *
+ * Associative array with the names of fields to be removed as indexes
+ * of the array. Currently the values assigned to each entry are ignored.
+ * An empty array should be used for future compatibility.
+ *
+ * rename
+ *
+ * Associative array with the names of fields to be renamed as indexes
+ * of the array. The value of each entry of the array should be set to
+ * another associative array with the entry named name with the new
+ * field name and the entry named Declaration that is expected to contain
+ * the portion of the field declaration already in DBMS specific SQL code
+ * as it is used in the CREATE TABLE statement.
+ *
+ * change
+ *
+ * Associative array with the names of the fields to be changed as indexes
+ * of the array. Keep in mind that if it is intended to change either the
+ * name of a field and any other properties, the change array entries
+ * should have the new names of the fields as array indexes.
+ *
+ * The value of each entry of the array should be set to another associative
+ * array with the properties of the fields to that are meant to be changed as
+ * array entries. These entries should be assigned to the new values of the
+ * respective properties. The properties of the fields should be the same
+ * as defined by the MDB2 parser.
+ *
+ * Example
+ * array(
+ * 'name' => 'userlist',
+ * 'add' => array(
+ * 'quota' => array(
+ * 'type' => 'integer',
+ * 'unsigned' => 1
+ * )
+ * ),
+ * 'remove' => array(
+ * 'file_limit' => array(),
+ * 'time_limit' => array()
+ * ),
+ * 'change' => array(
+ * 'name' => array(
+ * 'length' => '20',
+ * 'definition' => array(
+ * 'type' => 'text',
+ * 'length' => 20,
+ * ),
+ * )
+ * ),
+ * 'rename' => array(
+ * 'sex' => array(
+ * 'name' => 'gender',
+ * 'definition' => array(
+ * 'type' => 'text',
+ * 'length' => 1,
+ * 'default' => 'M',
+ * ),
+ * )
+ * )
+ * )
+ *
+ * @param boolean $check indicates whether the function should just check if the DBMS driver
+ * can perform the requested table alterations if the value is true or
+ * actually perform them otherwise.
+ * @access public
+ *
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ */
+ function alterTable($name, $changes, $check, $options = array())
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ foreach ($changes as $change_name => $change) {
+ switch ($change_name) {
+ case 'add':
+ case 'remove':
+ case 'change':
+ case 'name':
+ case 'rename':
+ break;
+ default:
+ return $db->raiseError(MDB2_ERROR_CANNOT_ALTER, null, null,
+ 'change type "'.$change_name.'" not yet supported', __FUNCTION__);
+ }
+ }
+
+ if ($check) {
+ return MDB2_OK;
+ }
+
+ $db->loadModule('Reverse', null, true);
+
+ // actually sqlite 2.x supports no ALTER TABLE at all .. so we emulate it
+ $fields = $db->manager->listTableFields($name);
+ if (PEAR::isError($fields)) {
+ return $fields;
+ }
+
+ $fields = array_flip($fields);
+ foreach ($fields as $field => $value) {
+ $definition = $db->reverse->getTableFieldDefinition($name, $field);
+ if (PEAR::isError($definition)) {
+ return $definition;
+ }
+ $fields[$field] = $definition[0];
+ }
+
+ $indexes = $db->manager->listTableIndexes($name);
+ if (PEAR::isError($indexes)) {
+ return $indexes;
+ }
+
+ $indexes = array_flip($indexes);
+ foreach ($indexes as $index => $value) {
+ $definition = $db->reverse->getTableIndexDefinition($name, $index);
+ if (PEAR::isError($definition)) {
+ return $definition;
+ }
+ $indexes[$index] = $definition;
+ }
+
+ $constraints = $db->manager->listTableConstraints($name);
+ if (PEAR::isError($constraints)) {
+ return $constraints;
+ }
+
+ if (!array_key_exists('foreign_keys', $options)) {
+ $options['foreign_keys'] = array();
+ }
+ $constraints = array_flip($constraints);
+ foreach ($constraints as $constraint => $value) {
+ if (!empty($definition['primary'])) {
+ if (!array_key_exists('primary', $options)) {
+ $options['primary'] = $definition['fields'];
+ //remove from the $constraint array, it's already handled by createTable()
+ unset($constraints[$constraint]);
+ }
+ } else {
+ $c_definition = $db->reverse->getTableConstraintDefinition($name, $constraint);
+ if (PEAR::isError($c_definition)) {
+ return $c_definition;
+ }
+ if (!empty($c_definition['foreign'])) {
+ if (!array_key_exists($constraint, $options['foreign_keys'])) {
+ $options['foreign_keys'][$constraint] = $c_definition;
+ }
+ //remove from the $constraint array, it's already handled by createTable()
+ unset($constraints[$constraint]);
+ } else {
+ $constraints[$constraint] = $c_definition;
+ }
+ }
+ }
+
+ $name_new = $name;
+ $create_order = $select_fields = array_keys($fields);
+ foreach ($changes as $change_name => $change) {
+ switch ($change_name) {
+ case 'add':
+ foreach ($change as $field_name => $field) {
+ $fields[$field_name] = $field;
+ $create_order[] = $field_name;
+ }
+ break;
+ case 'remove':
+ foreach ($change as $field_name => $field) {
+ unset($fields[$field_name]);
+ $select_fields = array_diff($select_fields, array($field_name));
+ $create_order = array_diff($create_order, array($field_name));
+ }
+ break;
+ case 'change':
+ foreach ($change as $field_name => $field) {
+ $fields[$field_name] = $field['definition'];
+ }
+ break;
+ case 'name':
+ $name_new = $change;
+ break;
+ case 'rename':
+ foreach ($change as $field_name => $field) {
+ unset($fields[$field_name]);
+ $fields[$field['name']] = $field['definition'];
+ $create_order[array_search($field_name, $create_order)] = $field['name'];
+ }
+ break;
+ default:
+ return $db->raiseError(MDB2_ERROR_CANNOT_ALTER, null, null,
+ 'change type "'.$change_name.'" not yet supported', __FUNCTION__);
+ }
+ }
+
+ $data = null;
+ if (!empty($select_fields)) {
+ $query = 'SELECT '.implode(', ', $select_fields).' FROM '.$db->quoteIdentifier($name, true);
+ $data = $db->queryAll($query, null, MDB2_FETCHMODE_ORDERED);
+ }
+
+ $result = $this->dropTable($name);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+
+ $result = $this->createTable($name_new, $fields, $options);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+
+ foreach ($indexes as $index => $definition) {
+ $this->createIndex($name_new, $index, $definition);
+ }
+
+ foreach ($constraints as $constraint => $definition) {
+ $this->createConstraint($name_new, $constraint, $definition);
+ }
+
+ if (!empty($select_fields) && !empty($data)) {
+ $query = 'INSERT INTO '.$db->quoteIdentifier($name_new, true);
+ $query.= '('.implode(', ', array_slice(array_keys($fields), 0, count($select_fields))).')';
+ $query.=' VALUES (?'.str_repeat(', ?', (count($select_fields) - 1)).')';
+ $stmt =& $db->prepare($query, null, MDB2_PREPARE_MANIP);
+ if (PEAR::isError($stmt)) {
+ return $stmt;
+ }
+ foreach ($data as $row) {
+ $result = $stmt->execute($row);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ }
+ }
+ return MDB2_OK;
+ }
+
+ // }}}
+ // {{{ listDatabases()
+
+ /**
+ * list all databases
+ *
+ * @return mixed array of database names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listDatabases()
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'list databases is not supported', __FUNCTION__);
+ }
+
+ // }}}
+ // {{{ listUsers()
+
+ /**
+ * list all users
+ *
+ * @return mixed array of user names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listUsers()
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'list databases is not supported', __FUNCTION__);
+ }
+
+ // }}}
+ // {{{ listViews()
+
+ /**
+ * list all views in the current database
+ *
+ * @return mixed array of view names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listViews()
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $query = "SELECT name FROM sqlite_master WHERE type='view' AND sql NOT NULL";
+ $result = $db->queryCol($query);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
+ }
+ return $result;
+ }
+
+ // }}}
+ // {{{ listTableViews()
+
+ /**
+ * list the views in the database that reference a given table
+ *
+ * @param string table for which all referenced views should be found
+ * @return mixed array of view names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listTableViews($table)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $query = "SELECT name, sql FROM sqlite_master WHERE type='view' AND sql NOT NULL";
+ $views = $db->queryAll($query, array('text', 'text'), MDB2_FETCHMODE_ASSOC);
+ if (PEAR::isError($views)) {
+ return $views;
+ }
+ $result = array();
+ foreach ($views as $row) {
+ if (preg_match("/^create view .* \bfrom\b\s+\b{$table}\b /i", $row['sql'])) {
+ if (!empty($row['name'])) {
+ $result[$row['name']] = true;
+ }
+ }
+ }
+
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $result = array_change_key_case($result, $db->options['field_case']);
+ }
+ return array_keys($result);
+ }
+
+ // }}}
+ // {{{ listTables()
+
+ /**
+ * list all tables in the current database
+ *
+ * @return mixed array of table names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listTables()
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $query = "SELECT name FROM sqlite_master WHERE type='table' AND sql NOT NULL ORDER BY name";
+ $table_names = $db->queryCol($query);
+ if (PEAR::isError($table_names)) {
+ return $table_names;
+ }
+ $result = array();
+ foreach ($table_names as $table_name) {
+ if (!$this->_fixSequenceName($table_name, true)) {
+ $result[] = $table_name;
+ }
+ }
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
+ }
+ return $result;
+ }
+
+ // }}}
+ // {{{ listTableFields()
+
+ /**
+ * list all fields in a table in the current database
+ *
+ * @param string $table name of table that should be used in method
+ * @return mixed array of field names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listTableFields($table)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $result = $db->loadModule('Reverse', null, true);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ $query = "SELECT sql FROM sqlite_master WHERE type='table' AND ";
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $query.= 'LOWER(name)='.$db->quote(strtolower($table), 'text');
+ } else {
+ $query.= 'name='.$db->quote($table, 'text');
+ }
+ $sql = $db->queryOne($query);
+ if (PEAR::isError($sql)) {
+ return $sql;
+ }
+ $columns = $db->reverse->_getTableColumns($sql);
+ $fields = array();
+ foreach ($columns as $column) {
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ if ($db->options['field_case'] == CASE_LOWER) {
+ $column['name'] = strtolower($column['name']);
+ } else {
+ $column['name'] = strtoupper($column['name']);
+ }
+ } else {
+ $column = array_change_key_case($column, $db->options['field_case']);
+ }
+ $fields[] = $column['name'];
+ }
+ return $fields;
+ }
+
+ // }}}
+ // {{{ listTableTriggers()
+
+ /**
+ * list all triggers in the database that reference a given table
+ *
+ * @param string table for which all referenced triggers should be found
+ * @return mixed array of trigger names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listTableTriggers($table = null)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $query = "SELECT name FROM sqlite_master WHERE type='trigger' AND sql NOT NULL";
+ if (!is_null($table)) {
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $query.= ' AND LOWER(tbl_name)='.$db->quote(strtolower($table), 'text');
+ } else {
+ $query.= ' AND tbl_name='.$db->quote($table, 'text');
+ }
+ }
+ $result = $db->queryCol($query);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
+ }
+ return $result;
+ }
+
+ // }}}
+ // {{{ createIndex()
+
+ /**
+ * Get the stucture of a field into an array
+ *
+ * @param string $table name of the table on which the index is to be created
+ * @param string $name name of the index to be created
+ * @param array $definition associative array that defines properties of the index to be created.
+ * Currently, only one property named FIELDS is supported. This property
+ * is also an associative with the names of the index fields as array
+ * indexes. Each entry of this array is set to another type of associative
+ * array that specifies properties of the index that are specific to
+ * each field.
+ *
+ * Currently, only the sorting property is supported. It should be used
+ * to define the sorting direction of the index. It may be set to either
+ * ascending or descending.
+ *
+ * Not all DBMS support index sorting direction configuration. The DBMS
+ * drivers of those that do not support it ignore this property. Use the
+ * function support() to determine whether the DBMS driver can manage indexes.
+
+ * Example
+ * array(
+ * 'fields' => array(
+ * 'user_name' => array(
+ * 'sorting' => 'ascending'
+ * ),
+ * 'last_login' => array()
+ * )
+ * )
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function createIndex($table, $name, $definition)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $table = $db->quoteIdentifier($table, true);
+ $name = $db->getIndexName($name);
+ $query = "CREATE INDEX $name ON $table";
+ $fields = array();
+ foreach ($definition['fields'] as $field_name => $field) {
+ $field_string = $field_name;
+ if (!empty($field['sorting'])) {
+ switch ($field['sorting']) {
+ case 'ascending':
+ $field_string.= ' ASC';
+ break;
+ case 'descending':
+ $field_string.= ' DESC';
+ break;
+ }
+ }
+ $fields[] = $field_string;
+ }
+ $query .= ' ('.implode(', ', $fields) . ')';
+ return $db->exec($query);
+ }
+
+ // }}}
+ // {{{ dropIndex()
+
+ /**
+ * drop existing index
+ *
+ * @param string $table name of table that should be used in method
+ * @param string $name name of the index to be dropped
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function dropIndex($table, $name)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $name = $db->getIndexName($name);
+ return $db->exec("DROP INDEX $name");
+ }
+
+ // }}}
+ // {{{ listTableIndexes()
+
+ /**
+ * list all indexes in a table
+ *
+ * @param string $table name of table that should be used in method
+ * @return mixed array of index names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listTableIndexes($table)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $table = $db->quote($table, 'text');
+ $query = "SELECT sql FROM sqlite_master WHERE type='index' AND ";
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $query.= 'LOWER(tbl_name)='.strtolower($table);
+ } else {
+ $query.= "tbl_name=$table";
+ }
+ $query.= " AND sql NOT NULL ORDER BY name";
+ $indexes = $db->queryCol($query, 'text');
+ if (PEAR::isError($indexes)) {
+ return $indexes;
+ }
+
+ $result = array();
+ foreach ($indexes as $sql) {
+ if (preg_match("/^create index ([^ ]+) on /i", $sql, $tmp)) {
+ $index = $this->_fixIndexName($tmp[1]);
+ if (!empty($index)) {
+ $result[$index] = true;
+ }
+ }
+ }
+
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $result = array_change_key_case($result, $db->options['field_case']);
+ }
+ return array_keys($result);
+ }
+
+ // }}}
+ // {{{ createConstraint()
+
+ /**
+ * create a constraint on a table
+ *
+ * @param string $table name of the table on which the constraint is to be created
+ * @param string $name name of the constraint to be created
+ * @param array $definition associative array that defines properties of the constraint to be created.
+ * Currently, only one property named FIELDS is supported. This property
+ * is also an associative with the names of the constraint fields as array
+ * constraints. Each entry of this array is set to another type of associative
+ * array that specifies properties of the constraint that are specific to
+ * each field.
+ *
+ * Example
+ * array(
+ * 'fields' => array(
+ * 'user_name' => array(),
+ * 'last_login' => array()
+ * )
+ * )
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function createConstraint($table, $name, $definition)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ if (!empty($definition['primary'])) {
+ return $db->manager->alterTable($table, array(), false, array('primary' => $definition['fields']));
+ }
+
+ if (!empty($definition['foreign'])) {
+ return $db->manager->alterTable($table, array(), false, array('foreign_keys' => array($name => $definition)));
+ }
+
+ $table = $db->quoteIdentifier($table, true);
+ $name = $db->getIndexName($name);
+ $query = "CREATE UNIQUE INDEX $name ON $table";
+ $fields = array();
+ foreach ($definition['fields'] as $field_name => $field) {
+ $field_string = $field_name;
+ if (!empty($field['sorting'])) {
+ switch ($field['sorting']) {
+ case 'ascending':
+ $field_string.= ' ASC';
+ break;
+ case 'descending':
+ $field_string.= ' DESC';
+ break;
+ }
+ }
+ $fields[] = $field_string;
+ }
+ $query .= ' ('.implode(', ', $fields) . ')';
+ return $db->exec($query);
+ }
+
+ // }}}
+ // {{{ dropConstraint()
+
+ /**
+ * drop existing constraint
+ *
+ * @param string $table name of table that should be used in method
+ * @param string $name name of the constraint to be dropped
+ * @param string $primary hint if the constraint is primary
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function dropConstraint($table, $name, $primary = false)
+ {
+ if ($primary || $name == 'PRIMARY') {
+ return $this->alterTable($table, array(), false, array('primary' => null));
+ }
+
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ //is it a FK constraint? If so, also delete the associated triggers
+ $db->loadModule('Reverse', null, true);
+ $definition = $db->reverse->getTableConstraintDefinition($table, $name);
+ if (!PEAR::isError($definition) && !empty($definition['foreign'])) {
+ //first drop the FK enforcing triggers
+ $result = $this->_dropFKTriggers($table, $name, $definition['references']['table']);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ //then drop the constraint itself
+ return $this->alterTable($table, array(), false, array('foreign_keys' => array($name => null)));
+ }
+
+ $name = $db->getIndexName($name);
+ return $db->exec("DROP INDEX $name");
+ }
+
+ // }}}
+ // {{{ _dropFKTriggers()
+
+ /**
+ * Drop the triggers created to enforce the FOREIGN KEY constraint on the table
+ *
+ * @param string $table table name
+ * @param string $fkname FOREIGN KEY constraint name
+ * @param string $referenced_table referenced table name
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access private
+ */
+ function _dropFKTriggers($table, $fkname, $referenced_table)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $triggers = $this->listTableTriggers($table);
+ $triggers2 = $this->listTableTriggers($referenced_table);
+ if (!PEAR::isError($triggers2) && !PEAR::isError($triggers)) {
+ $triggers = array_merge($triggers, $triggers2);
+ $pattern = '/^'.$fkname.'(_pk)?_(insert|update|delete)_trg$/i';
+ foreach ($triggers as $trigger) {
+ if (preg_match($pattern, $trigger)) {
+ $result = $db->exec('DROP TRIGGER '.$trigger);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ }
+ }
+ }
+ return MDB2_OK;
+ }
+
+ // }]]
+ // {{{ listTableConstraints()
+
+ /**
+ * list all constraints in a table
+ *
+ * @param string $table name of table that should be used in method
+ * @return mixed array of constraint names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listTableConstraints($table)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $table = $db->quote($table, 'text');
+ $query = "SELECT sql FROM sqlite_master WHERE type='index' AND ";
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $query.= 'LOWER(tbl_name)='.strtolower($table);
+ } else {
+ $query.= "tbl_name=$table";
+ }
+ $query.= " AND sql NOT NULL ORDER BY name";
+ $indexes = $db->queryCol($query, 'text');
+ if (PEAR::isError($indexes)) {
+ return $indexes;
+ }
+
+ $result = array();
+ foreach ($indexes as $sql) {
+ if (preg_match("/^create unique index ([^ ]+) on /i", $sql, $tmp)) {
+ $index = $this->_fixIndexName($tmp[1]);
+ if (!empty($index)) {
+ $result[$index] = true;
+ }
+ }
+ }
+
+ // also search in table definition for PRIMARY KEYs...
+ $query = "SELECT sql FROM sqlite_master WHERE type='table' AND ";
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $query.= 'LOWER(name)='.strtolower($table);
+ } else {
+ $query.= "name=$table";
+ }
+ $query.= " AND sql NOT NULL ORDER BY name";
+ $table_def = $db->queryOne($query, 'text');
+ if (PEAR::isError($table_def)) {
+ return $table_def;
+ }
+ if (preg_match("/\bPRIMARY\s+KEY\b\s*\(([^)]+)/i", $table_def, $tmp)) {
+ $result['primary'] = true;
+ }
+
+ // ...and for FOREIGN KEYs
+ if (preg_match_all("/\bCONSTRAINT\b\s+([^\s]+)\s+\bFOREIGN\s+KEY/imsx", $table_def, $tmp)) {
+ foreach ($tmp[1] as $fk) {
+ $result[$fk] = true;
+ }
+ }
+
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $result = array_change_key_case($result, $db->options['field_case']);
+ }
+ return array_keys($result);
+ }
+
+ // }}}
+ // {{{ createSequence()
+
+ /**
+ * create sequence
+ *
+ * @param string $seq_name name of the sequence to be created
+ * @param string $start start value of the sequence; default is 1
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function createSequence($seq_name, $start = 1)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $sequence_name = $db->quoteIdentifier($db->getSequenceName($seq_name), true);
+ $seqcol_name = $db->quoteIdentifier($db->options['seqcol_name'], true);
+ $query = "CREATE TABLE $sequence_name ($seqcol_name INTEGER PRIMARY KEY DEFAULT 0 NOT NULL)";
+ $res = $db->exec($query);
+ if (PEAR::isError($res)) {
+ return $res;
+ }
+ if ($start == 1) {
+ return MDB2_OK;
+ }
+ $res = $db->exec("INSERT INTO $sequence_name ($seqcol_name) VALUES (".($start-1).')');
+ if (!PEAR::isError($res)) {
+ return MDB2_OK;
+ }
+ // Handle error
+ $result = $db->exec("DROP TABLE $sequence_name");
+ if (PEAR::isError($result)) {
+ return $db->raiseError($result, null, null,
+ 'could not drop inconsistent sequence table', __FUNCTION__);
+ }
+ return $db->raiseError($res, null, null,
+ 'could not create sequence table', __FUNCTION__);
+ }
+
+ // }}}
+ // {{{ dropSequence()
+
+ /**
+ * drop existing sequence
+ *
+ * @param string $seq_name name of the sequence to be dropped
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function dropSequence($seq_name)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $sequence_name = $db->quoteIdentifier($db->getSequenceName($seq_name), true);
+ return $db->exec("DROP TABLE $sequence_name");
+ }
+
+ // }}}
+ // {{{ listSequences()
+
+ /**
+ * list all sequences in the current database
+ *
+ * @return mixed array of sequence names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listSequences()
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $query = "SELECT name FROM sqlite_master WHERE type='table' AND sql NOT NULL ORDER BY name";
+ $table_names = $db->queryCol($query);
+ if (PEAR::isError($table_names)) {
+ return $table_names;
+ }
+ $result = array();
+ foreach ($table_names as $table_name) {
+ if ($sqn = $this->_fixSequenceName($table_name, true)) {
+ $result[] = $sqn;
+ }
+ }
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
+ }
+ return $result;
+ }
+
+ // }}}
+}
+?>
\ No newline at end of file diff --git a/program/lib/MDB2/Driver/Native/Common.php b/program/lib/MDB2/Driver/Native/Common.php new file mode 100644 index 000000000..c01caa35b --- /dev/null +++ b/program/lib/MDB2/Driver/Native/Common.php @@ -0,0 +1,61 @@ +<?php +// +----------------------------------------------------------------------+ +// | PHP versions 4 and 5 | +// +----------------------------------------------------------------------+ +// | Copyright (c) 1998-2006 Manuel Lemos, Tomas V.V.Cox, | +// | Stig. S. Bakken, Lukas Smith | +// | All rights reserved. | +// +----------------------------------------------------------------------+ +// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB | +// | API as well as database abstraction for PHP applications. | +// | This LICENSE is in the BSD license style. | +// | | +// | Redistribution and use in source and binary forms, with or without | +// | modification, are permitted provided that the following conditions | +// | are met: | +// | | +// | Redistributions of source code must retain the above copyright | +// | notice, this list of conditions and the following disclaimer. | +// | | +// | Redistributions in binary form must reproduce the above copyright | +// | notice, this list of conditions and the following disclaimer in the | +// | documentation and/or other materials provided with the distribution. | +// | | +// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, | +// | Lukas Smith nor the names of his contributors may be used to endorse | +// | or promote products derived from this software without specific prior| +// | written permission. | +// | | +// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | +// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | +// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS | +// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE | +// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, | +// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, | +// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS| +// | OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED | +// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | +// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY| +// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | +// | POSSIBILITY OF SUCH DAMAGE. | +// +----------------------------------------------------------------------+ +// | Author: Lukas Smith <smith@pooteeweet.org> | +// +----------------------------------------------------------------------+ +// +// $Id: Common.php,v 1.2 2007/09/09 13:47:36 quipo Exp $ +// + +/** + * Base class for the natuve modules that is extended by each MDB2 driver + * + * To load this module in the MDB2 object: + * $mdb->loadModule('Native'); + * + * @package MDB2 + * @category Database + * @author Lukas Smith <smith@pooteeweet.org> + */ +class MDB2_Driver_Native_Common extends MDB2_Module_Common +{ +} +?>
\ No newline at end of file diff --git a/program/lib/MDB2/Driver/Native/mssql.php b/program/lib/MDB2/Driver/Native/mssql.php new file mode 100644 index 000000000..e72faba92 --- /dev/null +++ b/program/lib/MDB2/Driver/Native/mssql.php @@ -0,0 +1,60 @@ +<?php +// +----------------------------------------------------------------------+ +// | PHP versions 4 and 5 | +// +----------------------------------------------------------------------+ +// | Copyright (c) 1998-2006 Manuel Lemos, Tomas V.V.Cox, | +// | Stig. S. Bakken, Lukas Smith, Frank M. Kromann | +// | All rights reserved. | +// +----------------------------------------------------------------------+ +// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB | +// | API as well as database abstraction for PHP applications. | +// | This LICENSE is in the BSD license style. | +// | | +// | Redistribution and use in source and binary forms, with or without | +// | modification, are permitted provided that the following conditions | +// | are met: | +// | | +// | Redistributions of source code must retain the above copyright | +// | notice, this list of conditions and the following disclaimer. | +// | | +// | Redistributions in binary form must reproduce the above copyright | +// | notice, this list of conditions and the following disclaimer in the | +// | documentation and/or other materials provided with the distribution. | +// | | +// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, | +// | Lukas Smith nor the names of his contributors may be used to endorse | +// | or promote products derived from this software without specific prior| +// | written permission. | +// | | +// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | +// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | +// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS | +// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE | +// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, | +// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, | +// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS| +// | OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED | +// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | +// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY| +// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | +// | POSSIBILITY OF SUCH DAMAGE. | +// +----------------------------------------------------------------------+ +// | Author: Lukas Smith <smith@pooteeweet.org> | +// +----------------------------------------------------------------------+ +// +// $Id: mssql.php,v 1.9 2006/06/18 21:59:05 lsmith Exp $ +// + +require_once 'MDB2/Driver/Native/Common.php'; + +/** + * MDB2 MSSQL driver for the native module + * + * @package MDB2 + * @category Database + * @author Lukas Smith <smith@dybnet.de> + */ +class MDB2_Driver_Native_mssql extends MDB2_Driver_Native_Common +{ +} +?>
\ No newline at end of file diff --git a/program/lib/MDB2/Driver/Native/mysql.php b/program/lib/MDB2/Driver/Native/mysql.php new file mode 100644 index 000000000..90ff068e6 --- /dev/null +++ b/program/lib/MDB2/Driver/Native/mysql.php @@ -0,0 +1,60 @@ +<?php +// +----------------------------------------------------------------------+ +// | PHP versions 4 and 5 | +// +----------------------------------------------------------------------+ +// | Copyright (c) 1998-2006 Manuel Lemos, Tomas V.V.Cox, | +// | Stig. S. Bakken, Lukas Smith | +// | All rights reserved. | +// +----------------------------------------------------------------------+ +// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB | +// | API as well as database abstraction for PHP applications. | +// | This LICENSE is in the BSD license style. | +// | | +// | Redistribution and use in source and binary forms, with or without | +// | modification, are permitted provided that the following conditions | +// | are met: | +// | | +// | Redistributions of source code must retain the above copyright | +// | notice, this list of conditions and the following disclaimer. | +// | | +// | Redistributions in binary form must reproduce the above copyright | +// | notice, this list of conditions and the following disclaimer in the | +// | documentation and/or other materials provided with the distribution. | +// | | +// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, | +// | Lukas Smith nor the names of his contributors may be used to endorse | +// | or promote products derived from this software without specific prior| +// | written permission. | +// | | +// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | +// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | +// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS | +// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE | +// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, | +// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, | +// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS| +// | OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED | +// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | +// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY| +// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | +// | POSSIBILITY OF SUCH DAMAGE. | +// +----------------------------------------------------------------------+ +// | Author: Lukas Smith <smith@pooteeweet.org> | +// +----------------------------------------------------------------------+ +// +// $Id: mysql.php,v 1.9 2006/06/18 21:59:05 lsmith Exp $ +// + +require_once 'MDB2/Driver/Native/Common.php'; + +/** + * MDB2 MySQL driver for the native module + * + * @package MDB2 + * @category Database + * @author Lukas Smith <smith@pooteeweet.org> + */ +class MDB2_Driver_Native_mysql extends MDB2_Driver_Native_Common +{ +} +?>
\ No newline at end of file diff --git a/program/lib/MDB2/Driver/Native/mysqli.php b/program/lib/MDB2/Driver/Native/mysqli.php new file mode 100644 index 000000000..326c1d87e --- /dev/null +++ b/program/lib/MDB2/Driver/Native/mysqli.php @@ -0,0 +1,60 @@ +<?php +// +----------------------------------------------------------------------+ +// | PHP versions 4 and 5 | +// +----------------------------------------------------------------------+ +// | Copyright (c) 1998-2006 Manuel Lemos, Tomas V.V.Cox, | +// | Stig. S. Bakken, Lukas Smith | +// | All rights reserved. | +// +----------------------------------------------------------------------+ +// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB | +// | API as well as database abstraction for PHP applications. | +// | This LICENSE is in the BSD license style. | +// | | +// | Redistribution and use in source and binary forms, with or without | +// | modification, are permitted provided that the following conditions | +// | are met: | +// | | +// | Redistributions of source code must retain the above copyright | +// | notice, this list of conditions and the following disclaimer. | +// | | +// | Redistributions in binary form must reproduce the above copyright | +// | notice, this list of conditions and the following disclaimer in the | +// | documentation and/or other materials provided with the distribution. | +// | | +// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, | +// | Lukas Smith nor the names of his contributors may be used to endorse | +// | or promote products derived from this software without specific prior| +// | written permission. | +// | | +// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | +// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | +// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS | +// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE | +// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, | +// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, | +// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS| +// | OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED | +// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | +// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY| +// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | +// | POSSIBILITY OF SUCH DAMAGE. | +// +----------------------------------------------------------------------+ +// | Author: Lukas Smith <smith@pooteeweet.org> | +// +----------------------------------------------------------------------+ +// +// $Id: mysqli.php,v 1.8 2006/06/18 21:59:05 lsmith Exp $ +// + +require_once 'MDB2/Driver/Native/Common.php'; + +/** + * MDB2 MySQLi driver for the native module + * + * @package MDB2 + * @category Database + * @author Lukas Smith <smith@pooteeweet.org> + */ +class MDB2_Driver_Native_mysqli extends MDB2_Driver_Native_Common +{ +} +?>
\ No newline at end of file diff --git a/program/lib/MDB2/Driver/Native/pgsql.php b/program/lib/MDB2/Driver/Native/pgsql.php new file mode 100644 index 000000000..acab8389c --- /dev/null +++ b/program/lib/MDB2/Driver/Native/pgsql.php @@ -0,0 +1,88 @@ +<?php +// +----------------------------------------------------------------------+ +// | PHP versions 4 and 5 | +// +----------------------------------------------------------------------+ +// | Copyright (c) 1998-2006 Manuel Lemos, Tomas V.V.Cox, | +// | Stig. S. Bakken, Lukas Smith | +// | All rights reserved. | +// +----------------------------------------------------------------------+ +// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB | +// | API as well as database abstraction for PHP applications. | +// | This LICENSE is in the BSD license style. | +// | | +// | Redistribution and use in source and binary forms, with or without | +// | modification, are permitted provided that the following conditions | +// | are met: | +// | | +// | Redistributions of source code must retain the above copyright | +// | notice, this list of conditions and the following disclaimer. | +// | | +// | Redistributions in binary form must reproduce the above copyright | +// | notice, this list of conditions and the following disclaimer in the | +// | documentation and/or other materials provided with the distribution. | +// | | +// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, | +// | Lukas Smith nor the names of his contributors may be used to endorse | +// | or promote products derived from this software without specific prior| +// | written permission. | +// | | +// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | +// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | +// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS | +// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE | +// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, | +// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, | +// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS| +// | OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED | +// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | +// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY| +// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | +// | POSSIBILITY OF SUCH DAMAGE. | +// +----------------------------------------------------------------------+ +// | Author: Paul Cooper <pgc@ucecom.com> | +// +----------------------------------------------------------------------+ +// +// $Id: pgsql.php,v 1.12 2006/07/15 13:07:15 lsmith Exp $ + +require_once 'MDB2/Driver/Native/Common.php'; + +/** + * MDB2 PostGreSQL driver for the native module + * + * @package MDB2 + * @category Database + * @author Paul Cooper <pgc@ucecom.com> + */ +class MDB2_Driver_Native_pgsql extends MDB2_Driver_Native_Common +{ + // }}} + // {{{ deleteOID() + + /** + * delete an OID + * + * @param integer $OID + * @return mixed MDB2_OK on success or MDB2 Error Object on failure + * @access public + */ + function deleteOID($OID) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $connection = $db->getConnection(); + if (PEAR::isError($connection)) { + return $connection; + } + + if (!@pg_lo_unlink($connection, $OID)) { + return $db->raiseError(null, null, null, + 'Unable to unlink OID: '.$OID, __FUNCTION__); + } + return MDB2_OK; + } + +} +?>
\ No newline at end of file diff --git a/program/lib/MDB2/Driver/Native/sqlite.php b/program/lib/MDB2/Driver/Native/sqlite.php new file mode 100644 index 000000000..0213293a5 --- /dev/null +++ b/program/lib/MDB2/Driver/Native/sqlite.php @@ -0,0 +1,60 @@ +<?php +// +----------------------------------------------------------------------+ +// | PHP versions 4 and 5 | +// +----------------------------------------------------------------------+ +// | Copyright (c) 1998-2006 Manuel Lemos, Tomas V.V.Cox, | +// | Stig. S. Bakken, Lukas Smith | +// | All rights reserved. | +// +----------------------------------------------------------------------+ +// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB | +// | API as well as database abstraction for PHP applications. | +// | This LICENSE is in the BSD license style. | +// | | +// | Redistribution and use in source and binary forms, with or without | +// | modification, are permitted provided that the following conditions | +// | are met: | +// | | +// | Redistributions of source code must retain the above copyright | +// | notice, this list of conditions and the following disclaimer. | +// | | +// | Redistributions in binary form must reproduce the above copyright | +// | notice, this list of conditions and the following disclaimer in the | +// | documentation and/or other materials provided with the distribution. | +// | | +// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, | +// | Lukas Smith nor the names of his contributors may be used to endorse | +// | or promote products derived from this software without specific prior| +// | written permission. | +// | | +// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | +// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | +// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS | +// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE | +// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, | +// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, | +// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS| +// | OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED | +// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | +// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY| +// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | +// | POSSIBILITY OF SUCH DAMAGE. | +// +----------------------------------------------------------------------+ +// | Author: Lukas Smith <smith@pooteeweet.org> | +// +----------------------------------------------------------------------+ +// +// $Id: sqlite.php,v 1.9 2006/06/18 21:59:05 lsmith Exp $ +// + +require_once 'MDB2/Driver/Native/Common.php'; + +/** + * MDB2 SQLite driver for the native module + * + * @package MDB2 + * @category Database + * @author Lukas Smith <smith@pooteeweet.org> + */ +class MDB2_Driver_Native_sqlite extends MDB2_Driver_Native_Common +{ +} +?>
\ No newline at end of file diff --git a/program/lib/MDB2/Driver/Reverse/Common.php b/program/lib/MDB2/Driver/Reverse/Common.php new file mode 100644 index 000000000..43a2f251b --- /dev/null +++ b/program/lib/MDB2/Driver/Reverse/Common.php @@ -0,0 +1,511 @@ +<?php +// +----------------------------------------------------------------------+ +// | PHP versions 4 and 5 | +// +----------------------------------------------------------------------+ +// | Copyright (c) 1998-2007 Manuel Lemos, Tomas V.V.Cox, | +// | Stig. S. Bakken, Lukas Smith | +// | All rights reserved. | +// +----------------------------------------------------------------------+ +// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB | +// | API as well as database abstraction for PHP applications. | +// | This LICENSE is in the BSD license style. | +// | | +// | Redistribution and use in source and binary forms, with or without | +// | modification, are permitted provided that the following conditions | +// | are met: | +// | | +// | Redistributions of source code must retain the above copyright | +// | notice, this list of conditions and the following disclaimer. | +// | | +// | Redistributions in binary form must reproduce the above copyright | +// | notice, this list of conditions and the following disclaimer in the | +// | documentation and/or other materials provided with the distribution. | +// | | +// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, | +// | Lukas Smith nor the names of his contributors may be used to endorse | +// | or promote products derived from this software without specific prior| +// | written permission. | +// | | +// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | +// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | +// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS | +// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE | +// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, | +// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, | +// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS| +// | OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED | +// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | +// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY| +// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | +// | POSSIBILITY OF SUCH DAMAGE. | +// +----------------------------------------------------------------------+ +// | Author: Lukas Smith <smith@pooteeweet.org> | +// +----------------------------------------------------------------------+ +// +// $Id: Common.php,v 1.41 2007/09/09 13:47:36 quipo Exp $ +// + +/** + * @package MDB2 + * @category Database + */ + +/** + * These are constants for the tableInfo-function + * they are bitwised or'ed. so if there are more constants to be defined + * in the future, adjust MDB2_TABLEINFO_FULL accordingly + */ + +define('MDB2_TABLEINFO_ORDER', 1); +define('MDB2_TABLEINFO_ORDERTABLE', 2); +define('MDB2_TABLEINFO_FULL', 3); + +/** + * Base class for the schema reverse engineering module that is extended by each MDB2 driver + * + * To load this module in the MDB2 object: + * $mdb->loadModule('Reverse'); + * + * @package MDB2 + * @category Database + * @author Lukas Smith <smith@pooteeweet.org> + */ +class MDB2_Driver_Reverse_Common extends MDB2_Module_Common +{ + // {{{ splitTableSchema() + + /** + * Split the "[owner|schema].table" notation into an array + * @access private + */ + function splitTableSchema($table) + { + $ret = array(); + if (strpos($table, '.') !== false) { + return explode('.', $table); + } + return array(null, $table); + } + + // }}} + // {{{ getTableFieldDefinition() + + /** + * Get the structure of a field into an array + * + * @param string $table name of table that should be used in method + * @param string $field name of field that should be used in method + * @return mixed data array on success, a MDB2 error on failure. + * The returned array contains an array for each field definition, + * with all or some of these indices, depending on the field data type: + * [notnull] [nativetype] [length] [fixed] [default] [type] [mdb2type] + * @access public + */ + function getTableFieldDefinition($table, $field) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null, + 'method not implemented', __FUNCTION__); + } + + // }}} + // {{{ getTableIndexDefinition() + + /** + * Get the structure of an index into an array + * + * @param string $table name of table that should be used in method + * @param string $index name of index that should be used in method + * @return mixed data array on success, a MDB2 error on failure + * The returned array has this structure: + * </pre> + * array ( + * [fields] => array ( + * [field1name] => array() // one entry per each field covered + * [field2name] => array() // by the index + * [field3name] => array( + * [sorting] => ascending + * ) + * ) + * ); + * </pre> + * @access public + */ + function getTableIndexDefinition($table, $index) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null, + 'method not implemented', __FUNCTION__); + } + + // }}} + // {{{ getTableConstraintDefinition() + + /** + * Get the structure of an constraints into an array + * + * @param string $table name of table that should be used in method + * @param string $index name of index that should be used in method + * @return mixed data array on success, a MDB2 error on failure + * The returned array has this structure: + * <pre> + * array ( + * [primary] => 0 + * [unique] => 0 + * [foreign] => 1 + * [check] => 0 + * [fields] => array ( + * [field1name] => array() // one entry per each field covered + * [field2name] => array() // by the index + * [field3name] => array( + * [sorting] => ascending + * [position] => 3 + * ) + * ) + * [references] => array( + * [table] => name + * [fields] => array( + * [field1name] => array( //one entry per each referenced field + * [position] => 1 + * ) + * ) + * ) + * [deferrable] => 0 + * [initiallydeferred] => 0 + * [onupdate] => CASCADE|RESTRICT|SET NULL|SET DEFAULT|NO ACTION + * [ondelete] => CASCADE|RESTRICT|SET NULL|SET DEFAULT|NO ACTION + * [match] => SIMPLE|PARTIAL|FULL + * ); + * </pre> + * @access public + */ + function getTableConstraintDefinition($table, $index) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null, + 'method not implemented', __FUNCTION__); + } + + // }}} + // {{{ getSequenceDefinition() + + /** + * Get the structure of a sequence into an array + * + * @param string $sequence name of sequence that should be used in method + * @return mixed data array on success, a MDB2 error on failure + * The returned array has this structure: + * <pre> + * array ( + * [start] => n + * ); + * </pre> + * @access public + */ + function getSequenceDefinition($sequence) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $start = $db->currId($sequence); + if (PEAR::isError($start)) { + return $start; + } + if ($db->supports('current_id')) { + $start++; + } else { + $db->warnings[] = 'database does not support getting current + sequence value, the sequence value was incremented'; + } + $definition = array(); + if ($start != 1) { + $definition = array('start' => $start); + } + return $definition; + } + + // }}} + // {{{ getTriggerDefinition() + + /** + * Get the structure of a trigger into an array + * + * EXPERIMENTAL + * + * WARNING: this function is experimental and may change the returned value + * at any time until labelled as non-experimental + * + * @param string $trigger name of trigger that should be used in method + * @return mixed data array on success, a MDB2 error on failure + * The returned array has this structure: + * <pre> + * array ( + * [trigger_name] => 'trigger name', + * [table_name] => 'table name', + * [trigger_body] => 'trigger body definition', + * [trigger_type] => 'BEFORE' | 'AFTER', + * [trigger_event] => 'INSERT' | 'UPDATE' | 'DELETE' + * //or comma separated list of multiple events, when supported + * [trigger_enabled] => true|false + * [trigger_comment] => 'trigger comment', + * ); + * </pre> + * The oci8 driver also returns a [when_clause] index. + * @access public + */ + function getTriggerDefinition($trigger) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null, + 'method not implemented', __FUNCTION__); + } + + // }}} + // {{{ tableInfo() + + /** + * Returns information about a table or a result set + * + * The format of the resulting array depends on which <var>$mode</var> + * you select. The sample output below is based on this query: + * <pre> + * SELECT tblFoo.fldID, tblFoo.fldPhone, tblBar.fldId + * FROM tblFoo + * JOIN tblBar ON tblFoo.fldId = tblBar.fldId + * </pre> + * + * <ul> + * <li> + * + * <kbd>null</kbd> (default) + * <pre> + * [0] => Array ( + * [table] => tblFoo + * [name] => fldId + * [type] => int + * [len] => 11 + * [flags] => primary_key not_null + * ) + * [1] => Array ( + * [table] => tblFoo + * [name] => fldPhone + * [type] => string + * [len] => 20 + * [flags] => + * ) + * [2] => Array ( + * [table] => tblBar + * [name] => fldId + * [type] => int + * [len] => 11 + * [flags] => primary_key not_null + * ) + * </pre> + * + * </li><li> + * + * <kbd>MDB2_TABLEINFO_ORDER</kbd> + * + * <p>In addition to the information found in the default output, + * a notation of the number of columns is provided by the + * <samp>num_fields</samp> element while the <samp>order</samp> + * element provides an array with the column names as the keys and + * their location index number (corresponding to the keys in the + * the default output) as the values.</p> + * + * <p>If a result set has identical field names, the last one is + * used.</p> + * + * <pre> + * [num_fields] => 3 + * [order] => Array ( + * [fldId] => 2 + * [fldTrans] => 1 + * ) + * </pre> + * + * </li><li> + * + * <kbd>MDB2_TABLEINFO_ORDERTABLE</kbd> + * + * <p>Similar to <kbd>MDB2_TABLEINFO_ORDER</kbd> but adds more + * dimensions to the array in which the table names are keys and + * the field names are sub-keys. This is helpful for queries that + * join tables which have identical field names.</p> + * + * <pre> + * [num_fields] => 3 + * [ordertable] => Array ( + * [tblFoo] => Array ( + * [fldId] => 0 + * [fldPhone] => 1 + * ) + * [tblBar] => Array ( + * [fldId] => 2 + * ) + * ) + * </pre> + * + * </li> + * </ul> + * + * The <samp>flags</samp> element contains a space separated list + * of extra information about the field. This data is inconsistent + * between DBMS's due to the way each DBMS works. + * + <samp>primary_key</samp> + * + <samp>unique_key</samp> + * + <samp>multiple_key</samp> + * + <samp>not_null</samp> + * + * Most DBMS's only provide the <samp>table</samp> and <samp>flags</samp> + * elements if <var>$result</var> is a table name. The following DBMS's + * provide full information from queries: + * + fbsql + * + mysql + * + * If the 'portability' option has <samp>MDB2_PORTABILITY_FIX_CASE</samp> + * turned on, the names of tables and fields will be lower or upper cased. + * + * @param object|string $result MDB2_result object from a query or a + * string containing the name of a table. + * While this also accepts a query result + * resource identifier, this behavior is + * deprecated. + * @param int $mode either unused or one of the tableInfo modes: + * <kbd>MDB2_TABLEINFO_ORDERTABLE</kbd>, + * <kbd>MDB2_TABLEINFO_ORDER</kbd> or + * <kbd>MDB2_TABLEINFO_FULL</kbd> (which does both). + * These are bitwise, so the first two can be + * combined using <kbd>|</kbd>. + * + * @return array an associative array with the information requested. + * A MDB2_Error object on failure. + * + * @see MDB2_Driver_Common::setOption() + */ + function tableInfo($result, $mode = null) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + if (!is_string($result)) { + return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null, + 'method not implemented', __FUNCTION__); + } + + $db->loadModule('Manager', null, true); + $fields = $db->manager->listTableFields($result); + if (PEAR::isError($fields)) { + return $fields; + } + + $flags = array(); + + $idxname_format = $db->getOption('idxname_format'); + $db->setOption('idxname_format', '%s'); + + $indexes = $db->manager->listTableIndexes($result); + if (PEAR::isError($indexes)) { + $db->setOption('idxname_format', $idxname_format); + return $indexes; + } + + foreach ($indexes as $index) { + $definition = $this->getTableIndexDefinition($result, $index); + if (PEAR::isError($definition)) { + $db->setOption('idxname_format', $idxname_format); + return $definition; + } + if (count($definition['fields']) > 1) { + foreach ($definition['fields'] as $field => $sort) { + $flags[$field] = 'multiple_key'; + } + } + } + + $constraints = $db->manager->listTableConstraints($result); + if (PEAR::isError($constraints)) { + return $constraints; + } + + foreach ($constraints as $constraint) { + $definition = $this->getTableConstraintDefinition($result, $constraint); + if (PEAR::isError($definition)) { + $db->setOption('idxname_format', $idxname_format); + return $definition; + } + $flag = !empty($definition['primary']) + ? 'primary_key' : (!empty($definition['unique']) + ? 'unique_key' : false); + if ($flag) { + foreach ($definition['fields'] as $field => $sort) { + if (empty($flags[$field]) || $flags[$field] != 'primary_key') { + $flags[$field] = $flag; + } + } + } + } + + if ($mode) { + $res['num_fields'] = count($fields); + } + + foreach ($fields as $i => $field) { + $definition = $this->getTableFieldDefinition($result, $field); + if (PEAR::isError($definition)) { + $db->setOption('idxname_format', $idxname_format); + return $definition; + } + $res[$i] = $definition[0]; + $res[$i]['name'] = $field; + $res[$i]['table'] = $result; + $res[$i]['type'] = preg_replace('/^([a-z]+).*$/i', '\\1', trim($definition[0]['nativetype'])); + // 'primary_key', 'unique_key', 'multiple_key' + $res[$i]['flags'] = empty($flags[$field]) ? '' : $flags[$field]; + // not_null', 'unsigned', 'auto_increment', 'default_[rawencodedvalue]' + if (!empty($res[$i]['notnull'])) { + $res[$i]['flags'].= ' not_null'; + } + if (!empty($res[$i]['unsigned'])) { + $res[$i]['flags'].= ' unsigned'; + } + if (!empty($res[$i]['auto_increment'])) { + $res[$i]['flags'].= ' autoincrement'; + } + if (!empty($res[$i]['default'])) { + $res[$i]['flags'].= ' default_'.rawurlencode($res[$i]['default']); + } + + if ($mode & MDB2_TABLEINFO_ORDER) { + $res['order'][$res[$i]['name']] = $i; + } + if ($mode & MDB2_TABLEINFO_ORDERTABLE) { + $res['ordertable'][$res[$i]['table']][$res[$i]['name']] = $i; + } + } + + $db->setOption('idxname_format', $idxname_format); + return $res; + } +} +?>
\ No newline at end of file diff --git a/program/lib/MDB2/Driver/Reverse/mssql.php b/program/lib/MDB2/Driver/Reverse/mssql.php new file mode 100644 index 000000000..a27c95d57 --- /dev/null +++ b/program/lib/MDB2/Driver/Reverse/mssql.php @@ -0,0 +1,653 @@ +<?php
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2007 Manuel Lemos, Tomas V.V.Cox, |
+// | Stig. S. Bakken, Lukas Smith, Frank M. Kromann, Lorenzo Alberton |
+// | All rights reserved. |
+// +----------------------------------------------------------------------+
+// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB |
+// | API as well as database abstraction for PHP applications. |
+// | This LICENSE is in the BSD license style. |
+// | |
+// | Redistribution and use in source and binary forms, with or without |
+// | modification, are permitted provided that the following conditions |
+// | are met: |
+// | |
+// | Redistributions of source code must retain the above copyright |
+// | notice, this list of conditions and the following disclaimer. |
+// | |
+// | Redistributions in binary form must reproduce the above copyright |
+// | notice, this list of conditions and the following disclaimer in the |
+// | documentation and/or other materials provided with the distribution. |
+// | |
+// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, |
+// | Lukas Smith nor the names of his contributors may be used to endorse |
+// | or promote products derived from this software without specific prior|
+// | written permission. |
+// | |
+// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
+// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
+// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
+// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
+// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
+// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
+// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
+// | OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
+// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
+// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
+// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
+// | POSSIBILITY OF SUCH DAMAGE. |
+// +----------------------------------------------------------------------+
+// | Authors: Lukas Smith <smith@pooteeweet.org> |
+// | Lorenzo Alberton <l.alberton@quipo.it> |
+// +----------------------------------------------------------------------+
+//
+// $Id: mssql.php,v 1.48 2007/11/25 13:38:29 quipo Exp $
+//
+
+require_once 'MDB2/Driver/Reverse/Common.php';
+
+/**
+ * MDB2 MSSQL driver for the schema reverse engineering module
+ *
+ * @package MDB2
+ * @category Database
+ * @author Lukas Smith <smith@dybnet.de>
+ * @author Lorenzo Alberton <l.alberton@quipo.it>
+ */
+class MDB2_Driver_Reverse_mssql extends MDB2_Driver_Reverse_Common
+{
+ // {{{ getTableFieldDefinition()
+
+ /**
+ * Get the structure of a field into an array
+ *
+ * @param string $table_name name of table that should be used in method
+ * @param string $field_name name of field that should be used in method
+ * @return mixed data array on success, a MDB2 error on failure
+ * @access public
+ */
+ function getTableFieldDefinition($table_name, $field_name)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $result = $db->loadModule('Datatype', null, true);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+
+ list($schema, $table) = $this->splitTableSchema($table_name);
+
+ $table = $db->quoteIdentifier($table, true);
+ $fldname = $db->quoteIdentifier($field_name, true);
+
+ $query = "SELECT t.table_name,
+ c.column_name 'name',
+ c.data_type 'type',
+ CASE c.is_nullable WHEN 'YES' THEN 1 ELSE 0 END AS 'is_nullable',
+ c.column_default,
+ c.character_maximum_length 'length',
+ c.numeric_precision,
+ c.numeric_scale,
+ c.character_set_name,
+ c.collation_name
+ FROM INFORMATION_SCHEMA.TABLES t,
+ INFORMATION_SCHEMA.COLUMNS c
+ WHERE t.table_name = c.table_name
+ AND t.table_name = '$table'
+ AND c.column_name = '$fldname'";
+ if (!empty($schema)) {
+ $query .= " AND t.table_schema = '" .$db->quoteIdentifier($schema, true) ."'";
+ }
+ $query .= ' ORDER BY t.table_name';
+ $column = $db->queryRow($query, null, MDB2_FETCHMODE_ASSOC);
+ if (PEAR::isError($column)) {
+ return $column;
+ }
+ if (empty($column)) {
+ return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+ 'it was not specified an existing table column', __FUNCTION__);
+ }
+
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ if ($db->options['field_case'] == CASE_LOWER) {
+ $column['name'] = strtolower($column['name']);
+ } else {
+ $column['name'] = strtoupper($column['name']);
+ }
+ } else {
+ $column = array_change_key_case($column, $db->options['field_case']);
+ }
+ $mapped_datatype = $db->datatype->mapNativeDatatype($column);
+ if (PEAR::isError($mapped_datatype)) {
+ return $mapped_datatype;
+ }
+ list($types, $length, $unsigned, $fixed) = $mapped_datatype;
+ $notnull = true;
+ if ($column['is_nullable']) {
+ $notnull = false;
+ }
+ $default = false;
+ if (array_key_exists('column_default', $column)) {
+ $default = $column['column_default'];
+ if (is_null($default) && $notnull) {
+ $default = '';
+ } elseif (strlen($default) > 4
+ && substr($default, 0, 1) == '('
+ && substr($default, -1, 1) == ')'
+ ) {
+ //mssql wraps the default value in parentheses: "((1234))", "(NULL)"
+ $default = trim($default, '()');
+ if ($default == 'NULL') {
+ $default = null;
+ }
+ }
+ }
+ $definition[0] = array(
+ 'notnull' => $notnull,
+ 'nativetype' => preg_replace('/^([a-z]+)[^a-z].*/i', '\\1', $column['type'])
+ );
+ if (!is_null($length)) {
+ $definition[0]['length'] = $length;
+ }
+ if (!is_null($unsigned)) {
+ $definition[0]['unsigned'] = $unsigned;
+ }
+ if (!is_null($fixed)) {
+ $definition[0]['fixed'] = $fixed;
+ }
+ if ($default !== false) {
+ $definition[0]['default'] = $default;
+ }
+ foreach ($types as $key => $type) {
+ $definition[$key] = $definition[0];
+ if ($type == 'clob' || $type == 'blob') {
+ unset($definition[$key]['default']);
+ }
+ $definition[$key]['type'] = $type;
+ $definition[$key]['mdb2type'] = $type;
+ }
+ return $definition;
+ }
+
+ // }}}
+ // {{{ getTableIndexDefinition()
+
+ /**
+ * Get the structure of an index into an array
+ *
+ * @param string $table_name name of table that should be used in method
+ * @param string $index_name name of index that should be used in method
+ * @return mixed data array on success, a MDB2 error on failure
+ * @access public
+ */
+ function getTableIndexDefinition($table_name, $index_name)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ list($schema, $table) = $this->splitTableSchema($table_name);
+
+ $table = $db->quoteIdentifier($table, true);
+ //$idxname = $db->quoteIdentifier($index_name, true);
+
+ $query = "SELECT OBJECT_NAME(i.id) tablename,
+ i.name indexname,
+ c.name field_name,
+ CASE INDEXKEY_PROPERTY(i.id, i.indid, ik.keyno, 'IsDescending')
+ WHEN 1 THEN 'DESC' ELSE 'ASC'
+ END 'collation',
+ ik.keyno 'position'
+ FROM sysindexes i
+ JOIN sysindexkeys ik ON ik.id = i.id AND ik.indid = i.indid
+ JOIN syscolumns c ON c.id = ik.id AND c.colid = ik.colid
+ WHERE OBJECT_NAME(i.id) = '$table'
+ AND i.name = '%s'
+ AND NOT EXISTS (
+ SELECT *
+ FROM INFORMATION_SCHEMA.KEY_COLUMN_USAGE k
+ WHERE k.table_name = OBJECT_NAME(i.id)
+ AND k.constraint_name = i.name";
+ if (!empty($schema)) {
+ $query .= " AND k.table_schema = '" .$db->quoteIdentifier($schema, true) ."'";
+ }
+ $query .= ')
+ ORDER BY tablename, indexname, ik.keyno';
+
+ $index_name_mdb2 = $db->getIndexName($index_name);
+ $result = $db->queryRow(sprintf($query, $index_name_mdb2));
+ if (!PEAR::isError($result) && !is_null($result)) {
+ // apply 'idxname_format' only if the query succeeded, otherwise
+ // fallback to the given $index_name, without transformation
+ $index_name = $index_name_mdb2;
+ }
+ $result = $db->query(sprintf($query, $index_name));
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+
+ $definition = array();
+ while (is_array($row = $result->fetchRow(MDB2_FETCHMODE_ASSOC))) {
+ $column_name = $row['field_name'];
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ if ($db->options['field_case'] == CASE_LOWER) {
+ $column_name = strtolower($column_name);
+ } else {
+ $column_name = strtoupper($column_name);
+ }
+ }
+ $definition['fields'][$column_name] = array(
+ 'position' => (int)$row['position'],
+ );
+ if (!empty($row['collation'])) {
+ $definition['fields'][$column_name]['sorting'] = ($row['collation'] == 'ASC'
+ ? 'ascending' : 'descending');
+ }
+ }
+ $result->free();
+ if (empty($definition['fields'])) {
+ return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+ 'it was not specified an existing table index', __FUNCTION__);
+ }
+ return $definition;
+ }
+
+ // }}}
+ // {{{ getTableConstraintDefinition()
+
+ /**
+ * Get the structure of a constraint into an array
+ *
+ * @param string $table_name name of table that should be used in method
+ * @param string $constraint_name name of constraint that should be used in method
+ * @return mixed data array on success, a MDB2 error on failure
+ * @access public
+ */
+ function getTableConstraintDefinition($table_name, $constraint_name)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ list($schema, $table) = $this->splitTableSchema($table_name);
+
+ $table = $db->quoteIdentifier($table, true);
+ $query = "SELECT k.table_name,
+ k.column_name field_name,
+ CASE c.constraint_type WHEN 'PRIMARY KEY' THEN 1 ELSE 0 END 'primary',
+ CASE c.constraint_type WHEN 'UNIQUE' THEN 1 ELSE 0 END 'unique',
+ CASE c.constraint_type WHEN 'FOREIGN KEY' THEN 1 ELSE 0 END 'foreign',
+ CASE c.constraint_type WHEN 'CHECK' THEN 1 ELSE 0 END 'check',
+ CASE c.is_deferrable WHEN 'NO' THEN 0 ELSE 1 END 'deferrable',
+ CASE c.initially_deferred WHEN 'NO' THEN 0 ELSE 1 END 'initiallydeferred',
+ rc.match_option 'match',
+ rc.update_rule 'onupdate',
+ rc.delete_rule 'ondelete',
+ kcu.table_name 'references_table',
+ kcu.column_name 'references_field',
+ k.ordinal_position 'field_position'
+ FROM INFORMATION_SCHEMA.KEY_COLUMN_USAGE k
+ LEFT JOIN INFORMATION_SCHEMA.TABLE_CONSTRAINTS c
+ ON k.table_name = c.table_name
+ AND k.table_schema = c.table_schema
+ AND k.table_catalog = c.table_catalog
+ AND k.constraint_catalog = c.constraint_catalog
+ AND k.constraint_name = c.constraint_name
+ LEFT JOIN INFORMATION_SCHEMA.REFERENTIAL_CONSTRAINTS rc
+ ON rc.constraint_schema = c.constraint_schema
+ AND rc.constraint_catalog = c.constraint_catalog
+ AND rc.constraint_name = c.constraint_name
+ LEFT JOIN INFORMATION_SCHEMA.KEY_COLUMN_USAGE kcu
+ ON rc.unique_constraint_schema = kcu.constraint_schema
+ AND rc.unique_constraint_catalog = kcu.constraint_catalog
+ AND rc.unique_constraint_name = kcu.constraint_name
+ AND k.ordinal_position = kcu.ordinal_position
+ WHERE k.constraint_catalog = DB_NAME()
+ AND k.table_name = '$table'
+ AND k.constraint_name = '%s'";
+ if (!empty($schema)) {
+ $query .= " AND k.table_schema = '" .$db->quoteIdentifier($schema, true) ."'";
+ }
+ $query .= ' ORDER BY k.constraint_name,
+ k.ordinal_position';
+
+ $constraint_name_mdb2 = $db->getIndexName($constraint_name);
+ $result = $db->queryRow(sprintf($query, $constraint_name_mdb2));
+ if (!PEAR::isError($result) && !is_null($result)) {
+ // apply 'idxname_format' only if the query succeeded, otherwise
+ // fallback to the given $index_name, without transformation
+ $constraint_name = $constraint_name_mdb2;
+ }
+ $result = $db->query(sprintf($query, $constraint_name));
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+
+ $definition = array(
+ 'fields' => array()
+ );
+ while (is_array($row = $result->fetchRow(MDB2_FETCHMODE_ASSOC))) {
+ $row = array_change_key_case($row, CASE_LOWER);
+ $column_name = $row['field_name'];
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ if ($db->options['field_case'] == CASE_LOWER) {
+ $column_name = strtolower($column_name);
+ } else {
+ $column_name = strtoupper($column_name);
+ }
+ }
+ $definition['fields'][$column_name] = array(
+ 'position' => (int)$row['field_position']
+ );
+ if ($row['foreign']) {
+ $ref_column_name = $row['references_field'];
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ if ($db->options['field_case'] == CASE_LOWER) {
+ $ref_column_name = strtolower($ref_column_name);
+ } else {
+ $ref_column_name = strtoupper($ref_column_name);
+ }
+ }
+ $definition['references']['table'] = $row['references_table'];
+ $definition['references']['fields'][$ref_column_name] = array(
+ 'position' => (int)$row['field_position']
+ );
+ }
+ //collation?!?
+ /*
+ if (!empty($row['collation'])) {
+ $definition['fields'][$column_name]['sorting'] = ($row['collation'] == 'ASC'
+ ? 'ascending' : 'descending');
+ }
+ */
+ $lastrow = $row;
+ // otherwise $row is no longer usable on exit from loop
+ }
+ $result->free();
+ if (empty($definition['fields'])) {
+ return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+ $constraint_name . ' is not an existing table constraint', __FUNCTION__);
+ }
+
+ $definition['primary'] = (boolean)$lastrow['primary'];
+ $definition['unique'] = (boolean)$lastrow['unique'];
+ $definition['foreign'] = (boolean)$lastrow['foreign'];
+ $definition['check'] = (boolean)$lastrow['check'];
+ $definition['deferrable'] = (boolean)$lastrow['deferrable'];
+ $definition['initiallydeferred'] = (boolean)$lastrow['initiallydeferred'];
+ $definition['onupdate'] = $lastrow['onupdate'];
+ $definition['ondelete'] = $lastrow['ondelete'];
+ $definition['match'] = $lastrow['match'];
+
+ return $definition;
+ }
+
+ // }}}
+ // {{{ getTriggerDefinition()
+
+ /**
+ * Get the structure of a trigger into an array
+ *
+ * EXPERIMENTAL
+ *
+ * WARNING: this function is experimental and may change the returned value
+ * at any time until labelled as non-experimental
+ *
+ * @param string $trigger name of trigger that should be used in method
+ * @return mixed data array on success, a MDB2 error on failure
+ * @access public
+ */
+ function getTriggerDefinition($trigger)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $query = "SELECT sys1.name trigger_name,
+ sys2.name table_name,
+ c.text trigger_body,
+ c.encrypted is_encripted,
+ CASE
+ WHEN OBJECTPROPERTY(sys1.id, 'ExecIsTriggerDisabled') = 1
+ THEN 0 ELSE 1
+ END trigger_enabled,
+ CASE
+ WHEN OBJECTPROPERTY(sys1.id, 'ExecIsInsertTrigger') = 1
+ THEN 'INSERT'
+ WHEN OBJECTPROPERTY(sys1.id, 'ExecIsUpdateTrigger') = 1
+ THEN 'UPDATE'
+ WHEN OBJECTPROPERTY(sys1.id, 'ExecIsDeleteTrigger') = 1
+ THEN 'DELETE'
+ END trigger_event,
+ CASE WHEN OBJECTPROPERTY(sys1.id, 'ExecIsInsteadOfTrigger') = 1
+ THEN 'INSTEAD OF' ELSE 'AFTER'
+ END trigger_type,
+ '' trigger_comment
+ FROM sysobjects sys1
+ JOIN sysobjects sys2 ON sys1.parent_obj = sys2.id
+ JOIN syscomments c ON sys1.id = c.id
+ WHERE sys1.xtype = 'TR'
+ AND sys1.name = ". $db->quote($trigger, 'text');
+
+ $types = array(
+ 'trigger_name' => 'text',
+ 'table_name' => 'text',
+ 'trigger_body' => 'text',
+ 'trigger_type' => 'text',
+ 'trigger_event' => 'text',
+ 'trigger_comment' => 'text',
+ 'trigger_enabled' => 'boolean',
+ 'is_encripted' => 'boolean',
+ );
+
+ $def = $db->queryRow($query, $types, MDB2_FETCHMODE_ASSOC);
+ if (PEAR::isError($def)) {
+ return $def;
+ }
+ $trg_body = $db->queryCol('EXEC sp_helptext '. $db->quote($trigger, 'text'), 'text');
+ if (!PEAR::isError($trg_body)) {
+ $def['trigger_body'] = implode('', $trg_body);
+ }
+ return $def;
+ }
+
+ // }}}
+ // {{{ tableInfo()
+
+ /**
+ * Returns information about a table or a result set
+ *
+ * NOTE: only supports 'table' and 'flags' if <var>$result</var>
+ * is a table name.
+ *
+ * @param object|string $result MDB2_result object from a query or a
+ * string containing the name of a table.
+ * While this also accepts a query result
+ * resource identifier, this behavior is
+ * deprecated.
+ * @param int $mode a valid tableInfo mode
+ *
+ * @return array an associative array with the information requested.
+ * A MDB2_Error object on failure.
+ *
+ * @see MDB2_Driver_Common::tableInfo()
+ */
+ function tableInfo($result, $mode = null)
+ {
+ if (is_string($result)) {
+ return parent::tableInfo($result, $mode);
+ }
+
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $resource = MDB2::isResultCommon($result) ? $result->getResource() : $result;
+ if (!is_resource($resource)) {
+ return $db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
+ 'Could not generate result resource', __FUNCTION__);
+ }
+
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ if ($db->options['field_case'] == CASE_LOWER) {
+ $case_func = 'strtolower';
+ } else {
+ $case_func = 'strtoupper';
+ }
+ } else {
+ $case_func = 'strval';
+ }
+
+ $count = @mssql_num_fields($resource);
+ $res = array();
+
+ if ($mode) {
+ $res['num_fields'] = $count;
+ }
+
+ $db->loadModule('Datatype', null, true);
+ for ($i = 0; $i < $count; $i++) {
+ $res[$i] = array(
+ 'table' => '',
+ 'name' => $case_func(@mssql_field_name($resource, $i)),
+ 'type' => @mssql_field_type($resource, $i),
+ 'length' => @mssql_field_length($resource, $i),
+ 'flags' => '',
+ );
+ $mdb2type_info = $db->datatype->mapNativeDatatype($res[$i]);
+ if (PEAR::isError($mdb2type_info)) {
+ return $mdb2type_info;
+ }
+ $res[$i]['mdb2type'] = $mdb2type_info[0][0];
+ if ($mode & MDB2_TABLEINFO_ORDER) {
+ $res['order'][$res[$i]['name']] = $i;
+ }
+ if ($mode & MDB2_TABLEINFO_ORDERTABLE) {
+ $res['ordertable'][$res[$i]['table']][$res[$i]['name']] = $i;
+ }
+ }
+
+ return $res;
+ }
+
+ // }}}
+ // {{{ _mssql_field_flags()
+
+ /**
+ * Get a column's flags
+ *
+ * Supports "not_null", "primary_key",
+ * "auto_increment" (mssql identity), "timestamp" (mssql timestamp),
+ * "unique_key" (mssql unique index, unique check or primary_key) and
+ * "multiple_key" (multikey index)
+ *
+ * mssql timestamp is NOT similar to the mysql timestamp so this is maybe
+ * not useful at all - is the behaviour of mysql_field_flags that primary
+ * keys are alway unique? is the interpretation of multiple_key correct?
+ *
+ * @param string $table the table name
+ * @param string $column the field name
+ *
+ * @return string the flags
+ *
+ * @access protected
+ * @author Joern Barthel <j_barthel@web.de>
+ */
+ function _mssql_field_flags($table, $column)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ static $tableName = null;
+ static $flags = array();
+
+ if ($table != $tableName) {
+
+ $flags = array();
+ $tableName = $table;
+
+ // get unique and primary keys
+ $res = $db->queryAll("EXEC SP_HELPINDEX[$table]", null, MDB2_FETCHMODE_ASSOC);
+
+ foreach ($res as $val) {
+ $val = array_change_key_case($val, CASE_LOWER);
+ $keys = explode(', ', $val['index_keys']);
+
+ if (sizeof($keys) > 1) {
+ foreach ($keys as $key) {
+ $this->_add_flag($flags[$key], 'multiple_key');
+ }
+ }
+
+ if (strpos($val['index_description'], 'primary key')) {
+ foreach ($keys as $key) {
+ $this->_add_flag($flags[$key], 'primary_key');
+ }
+ } elseif (strpos($val['index_description'], 'unique')) {
+ foreach ($keys as $key) {
+ $this->_add_flag($flags[$key], 'unique_key');
+ }
+ }
+ }
+
+ // get auto_increment, not_null and timestamp
+ $res = $db->queryAll("EXEC SP_COLUMNS[$table]", null, MDB2_FETCHMODE_ASSOC);
+
+ foreach ($res as $val) {
+ $val = array_change_key_case($val, CASE_LOWER);
+ if ($val['nullable'] == '0') {
+ $this->_add_flag($flags[$val['column_name']], 'not_null');
+ }
+ if (strpos($val['type_name'], 'identity')) {
+ $this->_add_flag($flags[$val['column_name']], 'auto_increment');
+ }
+ if (strpos($val['type_name'], 'timestamp')) {
+ $this->_add_flag($flags[$val['column_name']], 'timestamp');
+ }
+ }
+ }
+
+ if (!empty($flags[$column])) {
+ return(implode(' ', $flags[$column]));
+ }
+ return '';
+ }
+
+ // }}}
+ // {{{ _add_flag()
+
+ /**
+ * Adds a string to the flags array if the flag is not yet in there
+ * - if there is no flag present the array is created
+ *
+ * @param array &$array the reference to the flag-array
+ * @param string $value the flag value
+ *
+ * @return void
+ *
+ * @access protected
+ * @author Joern Barthel <j_barthel@web.de>
+ */
+ function _add_flag(&$array, $value)
+ {
+ if (!is_array($array)) {
+ $array = array($value);
+ } elseif (!in_array($value, $array)) {
+ array_push($array, $value);
+ }
+ }
+
+ // }}}
+}
+?>
\ No newline at end of file diff --git a/program/lib/MDB2/Driver/Reverse/mysql.php b/program/lib/MDB2/Driver/Reverse/mysql.php new file mode 100644 index 000000000..ac6abedbc --- /dev/null +++ b/program/lib/MDB2/Driver/Reverse/mysql.php @@ -0,0 +1,514 @@ +<?php
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2007 Manuel Lemos, Tomas V.V.Cox, |
+// | Stig. S. Bakken, Lukas Smith |
+// | All rights reserved. |
+// +----------------------------------------------------------------------+
+// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB |
+// | API as well as database abstraction for PHP applications. |
+// | This LICENSE is in the BSD license style. |
+// | |
+// | Redistribution and use in source and binary forms, with or without |
+// | modification, are permitted provided that the following conditions |
+// | are met: |
+// | |
+// | Redistributions of source code must retain the above copyright |
+// | notice, this list of conditions and the following disclaimer. |
+// | |
+// | Redistributions in binary form must reproduce the above copyright |
+// | notice, this list of conditions and the following disclaimer in the |
+// | documentation and/or other materials provided with the distribution. |
+// | |
+// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, |
+// | Lukas Smith nor the names of his contributors may be used to endorse |
+// | or promote products derived from this software without specific prior|
+// | written permission. |
+// | |
+// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
+// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
+// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
+// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
+// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
+// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
+// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
+// | OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
+// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
+// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
+// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
+// | POSSIBILITY OF SUCH DAMAGE. |
+// +----------------------------------------------------------------------+
+// | Author: Lukas Smith <smith@pooteeweet.org> |
+// +----------------------------------------------------------------------+
+//
+// $Id: mysql.php,v 1.79 2007/11/25 13:38:29 quipo Exp $
+//
+
+require_once 'MDB2/Driver/Reverse/Common.php';
+
+/**
+ * MDB2 MySQL driver for the schema reverse engineering module
+ *
+ * @package MDB2
+ * @category Database
+ * @author Lukas Smith <smith@pooteeweet.org>
+ * @author Lorenzo Alberton <l.alberton@quipo.it>
+ */
+class MDB2_Driver_Reverse_mysql extends MDB2_Driver_Reverse_Common
+{
+ // {{{ getTableFieldDefinition()
+
+ /**
+ * Get the structure of a field into an array
+ *
+ * @param string $table_name name of table that should be used in method
+ * @param string $field_name name of field that should be used in method
+ * @return mixed data array on success, a MDB2 error on failure
+ * @access public
+ */
+ function getTableFieldDefinition($table_name, $field_name)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $result = $db->loadModule('Datatype', null, true);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+
+ list($schema, $table) = $this->splitTableSchema($table_name);
+
+ $table = $db->quoteIdentifier($table, true);
+ $query = "SHOW FULL COLUMNS FROM $table LIKE ".$db->quote($field_name);
+ $columns = $db->queryAll($query, null, MDB2_FETCHMODE_ASSOC);
+ if (PEAR::isError($columns)) {
+ return $columns;
+ }
+ foreach ($columns as $column) {
+ $column = array_change_key_case($column, CASE_LOWER);
+ $column['name'] = $column['field'];
+ unset($column['field']);
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ if ($db->options['field_case'] == CASE_LOWER) {
+ $column['name'] = strtolower($column['name']);
+ } else {
+ $column['name'] = strtoupper($column['name']);
+ }
+ } else {
+ $column = array_change_key_case($column, $db->options['field_case']);
+ }
+ if ($field_name == $column['name']) {
+ $mapped_datatype = $db->datatype->mapNativeDatatype($column);
+ if (PEAR::isError($mapped_datatype)) {
+ return $mapped_datatype;
+ }
+ list($types, $length, $unsigned, $fixed) = $mapped_datatype;
+ $notnull = false;
+ if (empty($column['null']) || $column['null'] !== 'YES') {
+ $notnull = true;
+ }
+ $default = false;
+ if (array_key_exists('default', $column)) {
+ $default = $column['default'];
+ if (is_null($default) && $notnull) {
+ $default = '';
+ }
+ }
+ $autoincrement = false;
+ if (!empty($column['extra']) && $column['extra'] == 'auto_increment') {
+ $autoincrement = true;
+ }
+ $collate = null;
+ if (!empty($column['collation'])) {
+ $collate = $column['collation'];
+ $charset = preg_replace('/(.+?)(_.+)?/', '$1', $collate);
+ }
+
+ $definition[0] = array(
+ 'notnull' => $notnull,
+ 'nativetype' => preg_replace('/^([a-z]+)[^a-z].*/i', '\\1', $column['type'])
+ );
+ if (!is_null($length)) {
+ $definition[0]['length'] = $length;
+ }
+ if (!is_null($unsigned)) {
+ $definition[0]['unsigned'] = $unsigned;
+ }
+ if (!is_null($fixed)) {
+ $definition[0]['fixed'] = $fixed;
+ }
+ if ($default !== false) {
+ $definition[0]['default'] = $default;
+ }
+ if ($autoincrement !== false) {
+ $definition[0]['autoincrement'] = $autoincrement;
+ }
+ if (!is_null($collate)) {
+ $definition[0]['collate'] = $collate;
+ $definition[0]['charset'] = $charset;
+ }
+ foreach ($types as $key => $type) {
+ $definition[$key] = $definition[0];
+ if ($type == 'clob' || $type == 'blob') {
+ unset($definition[$key]['default']);
+ } elseif ($type == 'timestamp' && $notnull && empty($definition[$key]['default'])) {
+ $definition[$key]['default'] = '0000-00-00 00:00:00';
+ }
+ $definition[$key]['type'] = $type;
+ $definition[$key]['mdb2type'] = $type;
+ }
+ return $definition;
+ }
+ }
+
+ return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+ 'it was not specified an existing table column', __FUNCTION__);
+ }
+
+ // }}}
+ // {{{ getTableIndexDefinition()
+
+ /**
+ * Get the structure of an index into an array
+ *
+ * @param string $table_name name of table that should be used in method
+ * @param string $index_name name of index that should be used in method
+ * @return mixed data array on success, a MDB2 error on failure
+ * @access public
+ */
+ function getTableIndexDefinition($table_name, $index_name)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ list($schema, $table) = $this->splitTableSchema($table_name);
+
+ $table = $db->quoteIdentifier($table, true);
+ $query = "SHOW INDEX FROM $table /*!50002 WHERE Key_name = %s */";
+ $index_name_mdb2 = $db->getIndexName($index_name);
+ $result = $db->queryRow(sprintf($query, $db->quote($index_name_mdb2)));
+ if (!PEAR::isError($result) && !is_null($result)) {
+ // apply 'idxname_format' only if the query succeeded, otherwise
+ // fallback to the given $index_name, without transformation
+ $index_name = $index_name_mdb2;
+ }
+ $result = $db->query(sprintf($query, $db->quote($index_name)));
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ $colpos = 1;
+ $definition = array();
+ while (is_array($row = $result->fetchRow(MDB2_FETCHMODE_ASSOC))) {
+ $row = array_change_key_case($row, CASE_LOWER);
+ $key_name = $row['key_name'];
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ if ($db->options['field_case'] == CASE_LOWER) {
+ $key_name = strtolower($key_name);
+ } else {
+ $key_name = strtoupper($key_name);
+ }
+ }
+ if ($index_name == $key_name) {
+ if (!$row['non_unique']) {
+ return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+ $index_name . ' is not an existing table index', __FUNCTION__);
+ }
+ $column_name = $row['column_name'];
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ if ($db->options['field_case'] == CASE_LOWER) {
+ $column_name = strtolower($column_name);
+ } else {
+ $column_name = strtoupper($column_name);
+ }
+ }
+ $definition['fields'][$column_name] = array(
+ 'position' => $colpos++
+ );
+ if (!empty($row['collation'])) {
+ $definition['fields'][$column_name]['sorting'] = ($row['collation'] == 'A'
+ ? 'ascending' : 'descending');
+ }
+ }
+ }
+ $result->free();
+ if (empty($definition['fields'])) {
+ return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+ $index_name . ' is not an existing table index', __FUNCTION__);
+ }
+ return $definition;
+ }
+
+ // }}}
+ // {{{ getTableConstraintDefinition()
+
+ /**
+ * Get the structure of a constraint into an array
+ *
+ * @param string $table_name name of table that should be used in method
+ * @param string $constraint_name name of constraint that should be used in method
+ * @return mixed data array on success, a MDB2 error on failure
+ * @access public
+ */
+ function getTableConstraintDefinition($table_name, $constraint_name)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ list($schema, $table) = $this->splitTableSchema($table_name);
+ $constraint_name_original = $constraint_name;
+
+ $table = $db->quoteIdentifier($table, true);
+ $query = "SHOW INDEX FROM $table /*!50002 WHERE Key_name = %s */";
+ if (strtolower($constraint_name) != 'primary') {
+ $constraint_name_mdb2 = $db->getIndexName($constraint_name);
+ $result = $db->queryRow(sprintf($query, $db->quote($constraint_name_mdb2)));
+ if (!PEAR::isError($result) && !is_null($result)) {
+ // apply 'idxname_format' only if the query succeeded, otherwise
+ // fallback to the given $index_name, without transformation
+ $constraint_name = $constraint_name_mdb2;
+ }
+ }
+ $result = $db->query(sprintf($query, $db->quote($constraint_name)));
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ $colpos = 1;
+ //default values, eventually overridden
+ $definition = array(
+ 'primary' => false,
+ 'unique' => false,
+ 'foreign' => false,
+ 'check' => false,
+ 'fields' => array(),
+ 'references' => array(
+ 'table' => '',
+ 'fields' => array(),
+ ),
+ 'onupdate' => '',
+ 'ondelete' => '',
+ 'match' => '',
+ 'deferrable' => false,
+ 'initiallydeferred' => false,
+ );
+ while (is_array($row = $result->fetchRow(MDB2_FETCHMODE_ASSOC))) {
+ $row = array_change_key_case($row, CASE_LOWER);
+ $key_name = $row['key_name'];
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ if ($db->options['field_case'] == CASE_LOWER) {
+ $key_name = strtolower($key_name);
+ } else {
+ $key_name = strtoupper($key_name);
+ }
+ }
+ if ($constraint_name == $key_name) {
+ if ($row['non_unique']) {
+ //FOREIGN KEY?
+ $query = 'SHOW CREATE TABLE '. $db->escape($table);
+ $constraint = $db->queryOne($query, 'text', 1);
+ if (!PEAR::isError($constraint) && !empty($constraint)) {
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ if ($db->options['field_case'] == CASE_LOWER) {
+ $constraint = strtolower($constraint);
+ } else {
+ $constraint = strtoupper($constraint);
+ }
+ }
+ $pattern = '/\bCONSTRAINT\s+'.$constraint_name.'\s+FOREIGN KEY\s+\(([^\)]+)\) \bREFERENCES\b ([^ ]+) \(([^\)]+)\)/i';
+ if (!preg_match($pattern, str_replace('`', '', $constraint), $matches)) {
+ //fallback to original constraint name
+ $pattern = '/\bCONSTRAINT\s+'.$constraint_name_original.'\s+FOREIGN KEY\s+\(([^\)]+)\) \bREFERENCES\b ([^ ]+) \(([^\)]+)\)/i';
+ }
+ if (preg_match($pattern, str_replace('`', '', $constraint), $matches)) {
+ $definition['foreign'] = true;
+ $column_names = explode(',', $matches[1]);
+ $referenced_cols = explode(',', $matches[3]);
+ $definition['references'] = array(
+ 'table' => $matches[2],
+ 'fields' => array(),
+ );
+ $colpos = 1;
+ foreach ($column_names as $column_name) {
+ $definition['fields'][trim($column_name)] = array(
+ 'position' => $colpos++
+ );
+ }
+ $colpos = 1;
+ foreach ($referenced_cols as $column_name) {
+ $definition['references']['fields'][trim($column_name)] = array(
+ 'position' => $colpos++
+ );
+ }
+ $definition['onupdate'] = 'NO ACTION';
+ $definition['ondelete'] = 'NO ACTION';
+ $definition['match'] = 'SIMPLE';
+ return $definition;
+ }
+ }
+
+ return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+ $constraint_name . ' is not an existing table constraint', __FUNCTION__);
+ }
+ if ($row['key_name'] == 'PRIMARY') {
+ $definition['primary'] = true;
+ } elseif (!$row['non_unique']) {
+ $definition['unique'] = true;
+ }
+ $column_name = $row['column_name'];
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ if ($db->options['field_case'] == CASE_LOWER) {
+ $column_name = strtolower($column_name);
+ } else {
+ $column_name = strtoupper($column_name);
+ }
+ }
+ $definition['fields'][$column_name] = array(
+ 'position' => $colpos++
+ );
+ if (!empty($row['collation'])) {
+ $definition['fields'][$column_name]['sorting'] = ($row['collation'] == 'A'
+ ? 'ascending' : 'descending');
+ }
+ }
+ }
+ $result->free();
+ if (empty($definition['fields'])) {
+ return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+ $constraint_name . ' is not an existing table constraint', __FUNCTION__);
+ }
+ return $definition;
+ }
+
+ // }}}
+ // {{{ getTriggerDefinition()
+
+ /**
+ * Get the structure of a trigger into an array
+ *
+ * EXPERIMENTAL
+ *
+ * WARNING: this function is experimental and may change the returned value
+ * at any time until labelled as non-experimental
+ *
+ * @param string $trigger name of trigger that should be used in method
+ * @return mixed data array on success, a MDB2 error on failure
+ * @access public
+ */
+ function getTriggerDefinition($trigger)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $query = 'SELECT trigger_name,
+ event_object_table AS table_name,
+ action_statement AS trigger_body,
+ action_timing AS trigger_type,
+ event_manipulation AS trigger_event
+ FROM information_schema.triggers
+ WHERE trigger_name = '. $db->quote($trigger, 'text');
+ $types = array(
+ 'trigger_name' => 'text',
+ 'table_name' => 'text',
+ 'trigger_body' => 'text',
+ 'trigger_type' => 'text',
+ 'trigger_event' => 'text',
+ );
+ $def = $db->queryRow($query, $types, MDB2_FETCHMODE_ASSOC);
+ if (PEAR::isError($def)) {
+ return $def;
+ }
+ $def['trigger_comment'] = '';
+ $def['trigger_enabled'] = true;
+ return $def;
+ }
+
+ // }}}
+ // {{{ tableInfo()
+
+ /**
+ * Returns information about a table or a result set
+ *
+ * @param object|string $result MDB2_result object from a query or a
+ * string containing the name of a table.
+ * While this also accepts a query result
+ * resource identifier, this behavior is
+ * deprecated.
+ * @param int $mode a valid tableInfo mode
+ *
+ * @return array an associative array with the information requested.
+ * A MDB2_Error object on failure.
+ *
+ * @see MDB2_Driver_Common::setOption()
+ */
+ function tableInfo($result, $mode = null)
+ {
+ if (is_string($result)) {
+ return parent::tableInfo($result, $mode);
+ }
+
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $resource = MDB2::isResultCommon($result) ? $result->getResource() : $result;
+ if (!is_resource($resource)) {
+ return $db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
+ 'Could not generate result resource', __FUNCTION__);
+ }
+
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ if ($db->options['field_case'] == CASE_LOWER) {
+ $case_func = 'strtolower';
+ } else {
+ $case_func = 'strtoupper';
+ }
+ } else {
+ $case_func = 'strval';
+ }
+
+ $count = @mysql_num_fields($resource);
+ $res = array();
+ if ($mode) {
+ $res['num_fields'] = $count;
+ }
+
+ $db->loadModule('Datatype', null, true);
+ for ($i = 0; $i < $count; $i++) {
+ $res[$i] = array(
+ 'table' => $case_func(@mysql_field_table($resource, $i)),
+ 'name' => $case_func(@mysql_field_name($resource, $i)),
+ 'type' => @mysql_field_type($resource, $i),
+ 'length' => @mysql_field_len($resource, $i),
+ 'flags' => @mysql_field_flags($resource, $i),
+ );
+ if ($res[$i]['type'] == 'string') {
+ $res[$i]['type'] = 'char';
+ } elseif ($res[$i]['type'] == 'unknown') {
+ $res[$i]['type'] = 'decimal';
+ }
+ $mdb2type_info = $db->datatype->mapNativeDatatype($res[$i]);
+ if (PEAR::isError($mdb2type_info)) {
+ return $mdb2type_info;
+ }
+ $res[$i]['mdb2type'] = $mdb2type_info[0][0];
+ if ($mode & MDB2_TABLEINFO_ORDER) {
+ $res['order'][$res[$i]['name']] = $i;
+ }
+ if ($mode & MDB2_TABLEINFO_ORDERTABLE) {
+ $res['ordertable'][$res[$i]['table']][$res[$i]['name']] = $i;
+ }
+ }
+
+ return $res;
+ }
+}
+?>
\ No newline at end of file diff --git a/program/lib/MDB2/Driver/Reverse/mysqli.php b/program/lib/MDB2/Driver/Reverse/mysqli.php new file mode 100644 index 000000000..741fac059 --- /dev/null +++ b/program/lib/MDB2/Driver/Reverse/mysqli.php @@ -0,0 +1,578 @@ +<?php
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2007 Manuel Lemos, Tomas V.V.Cox, |
+// | Stig. S. Bakken, Lukas Smith |
+// | All rights reserved. |
+// +----------------------------------------------------------------------+
+// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB |
+// | API as well as database abstraction for PHP applications. |
+// | This LICENSE is in the BSD license style. |
+// | |
+// | Redistribution and use in source and binary forms, with or without |
+// | modification, are permitted provided that the following conditions |
+// | are met: |
+// | |
+// | Redistributions of source code must retain the above copyright |
+// | notice, this list of conditions and the following disclaimer. |
+// | |
+// | Redistributions in binary form must reproduce the above copyright |
+// | notice, this list of conditions and the following disclaimer in the |
+// | documentation and/or other materials provided with the distribution. |
+// | |
+// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, |
+// | Lukas Smith nor the names of his contributors may be used to endorse |
+// | or promote products derived from this software without specific prior|
+// | written permission. |
+// | |
+// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
+// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
+// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
+// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
+// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
+// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
+// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
+// | OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
+// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
+// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
+// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
+// | POSSIBILITY OF SUCH DAMAGE. |
+// +----------------------------------------------------------------------+
+// | Author: Lukas Smith <smith@pooteeweet.org> |
+// +----------------------------------------------------------------------+
+//
+// $Id: mysqli.php,v 1.69 2007/11/25 13:38:29 quipo Exp $
+//
+
+require_once 'MDB2/Driver/Reverse/Common.php';
+
+/**
+ * MDB2 MySQLi driver for the schema reverse engineering module
+ *
+ * @package MDB2
+ * @category Database
+ * @author Lukas Smith <smith@pooteeweet.org>
+ * @author Lorenzo Alberton <l.alberton@quipo.it>
+ */
+class MDB2_Driver_Reverse_mysqli extends MDB2_Driver_Reverse_Common
+{
+ /**
+ * Array for converting MYSQLI_*_FLAG constants to text values
+ * @var array
+ * @access public
+ */
+ var $flags = array(
+ MYSQLI_NOT_NULL_FLAG => 'not_null',
+ MYSQLI_PRI_KEY_FLAG => 'primary_key',
+ MYSQLI_UNIQUE_KEY_FLAG => 'unique_key',
+ MYSQLI_MULTIPLE_KEY_FLAG => 'multiple_key',
+ MYSQLI_BLOB_FLAG => 'blob',
+ MYSQLI_UNSIGNED_FLAG => 'unsigned',
+ MYSQLI_ZEROFILL_FLAG => 'zerofill',
+ MYSQLI_AUTO_INCREMENT_FLAG => 'auto_increment',
+ MYSQLI_TIMESTAMP_FLAG => 'timestamp',
+ MYSQLI_SET_FLAG => 'set',
+ // MYSQLI_NUM_FLAG => 'numeric', // unnecessary
+ // MYSQLI_PART_KEY_FLAG => 'multiple_key', // duplicatvie
+ MYSQLI_GROUP_FLAG => 'group_by'
+ );
+
+ /**
+ * Array for converting MYSQLI_TYPE_* constants to text values
+ * @var array
+ * @access public
+ */
+ var $types = array(
+ MYSQLI_TYPE_DECIMAL => 'decimal',
+ 246 => 'decimal',
+ MYSQLI_TYPE_TINY => 'tinyint',
+ MYSQLI_TYPE_SHORT => 'int',
+ MYSQLI_TYPE_LONG => 'int',
+ MYSQLI_TYPE_FLOAT => 'float',
+ MYSQLI_TYPE_DOUBLE => 'double',
+ // MYSQLI_TYPE_NULL => 'DEFAULT NULL', // let flags handle it
+ MYSQLI_TYPE_TIMESTAMP => 'timestamp',
+ MYSQLI_TYPE_LONGLONG => 'bigint',
+ MYSQLI_TYPE_INT24 => 'mediumint',
+ MYSQLI_TYPE_DATE => 'date',
+ MYSQLI_TYPE_TIME => 'time',
+ MYSQLI_TYPE_DATETIME => 'datetime',
+ MYSQLI_TYPE_YEAR => 'year',
+ MYSQLI_TYPE_NEWDATE => 'date',
+ MYSQLI_TYPE_ENUM => 'enum',
+ MYSQLI_TYPE_SET => 'set',
+ MYSQLI_TYPE_TINY_BLOB => 'tinyblob',
+ MYSQLI_TYPE_MEDIUM_BLOB => 'mediumblob',
+ MYSQLI_TYPE_LONG_BLOB => 'longblob',
+ MYSQLI_TYPE_BLOB => 'blob',
+ MYSQLI_TYPE_VAR_STRING => 'varchar',
+ MYSQLI_TYPE_STRING => 'char',
+ MYSQLI_TYPE_GEOMETRY => 'geometry',
+ );
+
+ // {{{ getTableFieldDefinition()
+
+ /**
+ * Get the structure of a field into an array
+ *
+ * @param string $table_name name of table that should be used in method
+ * @param string $field_name name of field that should be used in method
+ * @return mixed data array on success, a MDB2 error on failure
+ * @access public
+ */
+ function getTableFieldDefinition($table_name, $field_name)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $result = $db->loadModule('Datatype', null, true);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+
+ list($schema, $table) = $this->splitTableSchema($table_name);
+
+ $table = $db->quoteIdentifier($table, true);
+ $query = "SHOW FULL COLUMNS FROM $table LIKE ".$db->quote($field_name);
+ $columns = $db->queryAll($query, null, MDB2_FETCHMODE_ASSOC);
+ if (PEAR::isError($columns)) {
+ return $columns;
+ }
+ foreach ($columns as $column) {
+ $column = array_change_key_case($column, CASE_LOWER);
+ $column['name'] = $column['field'];
+ unset($column['field']);
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ if ($db->options['field_case'] == CASE_LOWER) {
+ $column['name'] = strtolower($column['name']);
+ } else {
+ $column['name'] = strtoupper($column['name']);
+ }
+ } else {
+ $column = array_change_key_case($column, $db->options['field_case']);
+ }
+ if ($field_name == $column['name']) {
+ $mapped_datatype = $db->datatype->mapNativeDatatype($column);
+ if (PEAR::isError($mapped_datatype)) {
+ return $mapped_datatype;
+ }
+ list($types, $length, $unsigned, $fixed) = $mapped_datatype;
+ $notnull = false;
+ if (empty($column['null']) || $column['null'] !== 'YES') {
+ $notnull = true;
+ }
+ $default = false;
+ if (array_key_exists('default', $column)) {
+ $default = $column['default'];
+ if (is_null($default) && $notnull) {
+ $default = '';
+ }
+ }
+ $autoincrement = false;
+ if (!empty($column['extra']) && $column['extra'] == 'auto_increment') {
+ $autoincrement = true;
+ }
+ $collate = null;
+ if (!empty($column['collation'])) {
+ $collate = $column['collation'];
+ $charset = preg_replace('/(.+?)(_.+)?/', '$1', $collate);
+ }
+
+ $definition[0] = array(
+ 'notnull' => $notnull,
+ 'nativetype' => preg_replace('/^([a-z]+)[^a-z].*/i', '\\1', $column['type'])
+ );
+ if (!is_null($length)) {
+ $definition[0]['length'] = $length;
+ }
+ if (!is_null($unsigned)) {
+ $definition[0]['unsigned'] = $unsigned;
+ }
+ if (!is_null($fixed)) {
+ $definition[0]['fixed'] = $fixed;
+ }
+ if ($default !== false) {
+ $definition[0]['default'] = $default;
+ }
+ if ($autoincrement !== false) {
+ $definition[0]['autoincrement'] = $autoincrement;
+ }
+ if (!is_null($collate)) {
+ $definition[0]['collate'] = $collate;
+ $definition[0]['charset'] = $charset;
+ }
+ foreach ($types as $key => $type) {
+ $definition[$key] = $definition[0];
+ if ($type == 'clob' || $type == 'blob') {
+ unset($definition[$key]['default']);
+ } elseif ($type == 'timestamp' && $notnull && empty($definition[$key]['default'])) {
+ $definition[$key]['default'] = '0000-00-00 00:00:00';
+ }
+ $definition[$key]['type'] = $type;
+ $definition[$key]['mdb2type'] = $type;
+ }
+ return $definition;
+ }
+ }
+
+ return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+ 'it was not specified an existing table column', __FUNCTION__);
+ }
+
+ // }}}
+ // {{{ getTableIndexDefinition()
+
+ /**
+ * Get the structure of an index into an array
+ *
+ * @param string $table_name name of table that should be used in method
+ * @param string $index_name name of index that should be used in method
+ * @return mixed data array on success, a MDB2 error on failure
+ * @access public
+ */
+ function getTableIndexDefinition($table_name, $index_name)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ list($schema, $table) = $this->splitTableSchema($table_name);
+
+ $table = $db->quoteIdentifier($table, true);
+ $query = "SHOW INDEX FROM $table /*!50002 WHERE Key_name = %s */";
+ $index_name_mdb2 = $db->getIndexName($index_name);
+ $result = $db->queryRow(sprintf($query, $db->quote($index_name_mdb2)));
+ if (!PEAR::isError($result) && !is_null($result)) {
+ // apply 'idxname_format' only if the query succeeded, otherwise
+ // fallback to the given $index_name, without transformation
+ $index_name = $index_name_mdb2;
+ }
+ $result = $db->query(sprintf($query, $db->quote($index_name)));
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ $colpos = 1;
+ $definition = array();
+ while (is_array($row = $result->fetchRow(MDB2_FETCHMODE_ASSOC))) {
+ $row = array_change_key_case($row, CASE_LOWER);
+ $key_name = $row['key_name'];
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ if ($db->options['field_case'] == CASE_LOWER) {
+ $key_name = strtolower($key_name);
+ } else {
+ $key_name = strtoupper($key_name);
+ }
+ }
+ if ($index_name == $key_name) {
+ if (!$row['non_unique']) {
+ return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+ $index_name . ' is not an existing table index', __FUNCTION__);
+ }
+ $column_name = $row['column_name'];
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ if ($db->options['field_case'] == CASE_LOWER) {
+ $column_name = strtolower($column_name);
+ } else {
+ $column_name = strtoupper($column_name);
+ }
+ }
+ $definition['fields'][$column_name] = array(
+ 'position' => $colpos++
+ );
+ if (!empty($row['collation'])) {
+ $definition['fields'][$column_name]['sorting'] = ($row['collation'] == 'A'
+ ? 'ascending' : 'descending');
+ }
+ }
+ }
+ $result->free();
+ if (empty($definition['fields'])) {
+ return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+ $index_name . ' is not an existing table index', __FUNCTION__);
+ }
+ return $definition;
+ }
+
+ // }}}
+ // {{{ getTableConstraintDefinition()
+
+ /**
+ * Get the structure of a constraint into an array
+ *
+ * @param string $table_name name of table that should be used in method
+ * @param string $constraint_name name of constraint that should be used in method
+ * @return mixed data array on success, a MDB2 error on failure
+ * @access public
+ */
+ function getTableConstraintDefinition($table_name, $constraint_name)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ list($schema, $table) = $this->splitTableSchema($table_name);
+ $constraint_name_original = $constraint_name;
+
+ $table = $db->quoteIdentifier($table, true);
+ $query = "SHOW INDEX FROM $table /*!50002 WHERE Key_name = %s */";
+ if (strtolower($constraint_name) != 'primary') {
+ $constraint_name_mdb2 = $db->getIndexName($constraint_name);
+ $result = $db->queryRow(sprintf($query, $db->quote($constraint_name_mdb2)));
+ if (!PEAR::isError($result) && !is_null($result)) {
+ // apply 'idxname_format' only if the query succeeded, otherwise
+ // fallback to the given $index_name, without transformation
+ $constraint_name = $constraint_name_mdb2;
+ }
+ }
+ $result = $db->query(sprintf($query, $db->quote($constraint_name)));
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ $colpos = 1;
+ //default values, eventually overridden
+ $definition = array(
+ 'primary' => false,
+ 'unique' => false,
+ 'foreign' => false,
+ 'check' => false,
+ 'fields' => array(),
+ 'references' => array(
+ 'table' => '',
+ 'fields' => array(),
+ ),
+ 'onupdate' => '',
+ 'ondelete' => '',
+ 'match' => '',
+ 'deferrable' => false,
+ 'initiallydeferred' => false,
+ );
+ while (is_array($row = $result->fetchRow(MDB2_FETCHMODE_ASSOC))) {
+ $row = array_change_key_case($row, CASE_LOWER);
+ $key_name = $row['key_name'];
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ if ($db->options['field_case'] == CASE_LOWER) {
+ $key_name = strtolower($key_name);
+ } else {
+ $key_name = strtoupper($key_name);
+ }
+ }
+ if ($constraint_name == $key_name) {
+ if ($row['non_unique']) {
+ //FOREIGN KEY?
+ $query = 'SHOW CREATE TABLE '. $db->escape($table);
+ $constraint = $db->queryOne($query, 'text', 1);
+ if (!PEAR::isError($constraint) && !empty($constraint)) {
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ if ($db->options['field_case'] == CASE_LOWER) {
+ $constraint = strtolower($constraint);
+ } else {
+ $constraint = strtoupper($constraint);
+ }
+ }
+ $pattern = '/\bCONSTRAINT\s+'.$constraint_name.'\s+FOREIGN KEY\s+\(([^\)]+)\) \bREFERENCES\b ([^ ]+) \(([^\)]+)\)/i';
+ if (!preg_match($pattern, str_replace('`', '', $constraint), $matches)) {
+ //fallback to original constraint name
+ $pattern = '/\bCONSTRAINT\s+'.$constraint_name_original.'\s+FOREIGN KEY\s+\(([^\)]+)\) \bREFERENCES\b ([^ ]+) \(([^\)]+)\)/i';
+ }
+ if (preg_match($pattern, str_replace('`', '', $constraint), $matches)) {
+ $definition['foreign'] = true;
+ $column_names = explode(',', $matches[1]);
+ $referenced_cols = explode(',', $matches[3]);
+ $definition['references'] = array(
+ 'table' => $matches[2],
+ 'fields' => array(),
+ );
+ $colpos = 1;
+ foreach ($column_names as $column_name) {
+ $definition['fields'][trim($column_name)] = array(
+ 'position' => $colpos++
+ );
+ }
+ $colpos = 1;
+ foreach ($referenced_cols as $column_name) {
+ $definition['references']['fields'][trim($column_name)] = array(
+ 'position' => $colpos++
+ );
+ }
+ $definition['onupdate'] = 'NO ACTION';
+ $definition['ondelete'] = 'NO ACTION';
+ $definition['match'] = 'SIMPLE';
+ return $definition;
+ }
+ }
+
+ return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+ $constraint_name . ' is not an existing table constraint', __FUNCTION__);
+ }
+ if ($row['key_name'] == 'PRIMARY') {
+ $definition['primary'] = true;
+ } elseif (!$row['non_unique']) {
+ $definition['unique'] = true;
+ }
+ $column_name = $row['column_name'];
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ if ($db->options['field_case'] == CASE_LOWER) {
+ $column_name = strtolower($column_name);
+ } else {
+ $column_name = strtoupper($column_name);
+ }
+ }
+ $definition['fields'][$column_name] = array(
+ 'position' => $colpos++
+ );
+ if (!empty($row['collation'])) {
+ $definition['fields'][$column_name]['sorting'] = ($row['collation'] == 'A'
+ ? 'ascending' : 'descending');
+ }
+ }
+ }
+ $result->free();
+ if (empty($definition['fields'])) {
+ return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+ $constraint_name . ' is not an existing table constraint', __FUNCTION__);
+ }
+ return $definition;
+ }
+
+ // }}}
+ // {{{ getTriggerDefinition()
+
+ /**
+ * Get the structure of a trigger into an array
+ *
+ * EXPERIMENTAL
+ *
+ * WARNING: this function is experimental and may change the returned value
+ * at any time until labelled as non-experimental
+ *
+ * @param string $trigger name of trigger that should be used in method
+ * @return mixed data array on success, a MDB2 error on failure
+ * @access public
+ */
+ function getTriggerDefinition($trigger)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $query = 'SELECT trigger_name,
+ event_object_table AS table_name,
+ action_statement AS trigger_body,
+ action_timing AS trigger_type,
+ event_manipulation AS trigger_event
+ FROM information_schema.triggers
+ WHERE trigger_name = '. $db->quote($trigger, 'text');
+ $types = array(
+ 'trigger_name' => 'text',
+ 'table_name' => 'text',
+ 'trigger_body' => 'text',
+ 'trigger_type' => 'text',
+ 'trigger_event' => 'text',
+ );
+ $def = $db->queryRow($query, $types, MDB2_FETCHMODE_ASSOC);
+ if (PEAR::isError($def)) {
+ return $def;
+ }
+ $def['trigger_comment'] = '';
+ $def['trigger_enabled'] = true;
+ return $def;
+ }
+
+ // }}}
+ // {{{ tableInfo()
+
+ /**
+ * Returns information about a table or a result set
+ *
+ * @param object|string $result MDB2_result object from a query or a
+ * string containing the name of a table.
+ * While this also accepts a query result
+ * resource identifier, this behavior is
+ * deprecated.
+ * @param int $mode a valid tableInfo mode
+ *
+ * @return array an associative array with the information requested.
+ * A MDB2_Error object on failure.
+ *
+ * @see MDB2_Driver_Common::setOption()
+ */
+ function tableInfo($result, $mode = null)
+ {
+ if (is_string($result)) {
+ return parent::tableInfo($result, $mode);
+ }
+
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $resource = MDB2::isResultCommon($result) ? $result->getResource() : $result;
+ if (!is_object($resource)) {
+ return $db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
+ 'Could not generate result resource', __FUNCTION__);
+ }
+
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ if ($db->options['field_case'] == CASE_LOWER) {
+ $case_func = 'strtolower';
+ } else {
+ $case_func = 'strtoupper';
+ }
+ } else {
+ $case_func = 'strval';
+ }
+
+ $count = @mysqli_num_fields($resource);
+ $res = array();
+ if ($mode) {
+ $res['num_fields'] = $count;
+ }
+
+ $db->loadModule('Datatype', null, true);
+ for ($i = 0; $i < $count; $i++) {
+ $tmp = @mysqli_fetch_field($resource);
+
+ $flags = '';
+ foreach ($this->flags as $const => $means) {
+ if ($tmp->flags & $const) {
+ $flags.= $means . ' ';
+ }
+ }
+ if ($tmp->def) {
+ $flags.= 'default_' . rawurlencode($tmp->def);
+ }
+ $flags = trim($flags);
+
+ $res[$i] = array(
+ 'table' => $case_func($tmp->table),
+ 'name' => $case_func($tmp->name),
+ 'type' => isset($this->types[$tmp->type])
+ ? $this->types[$tmp->type] : 'unknown',
+ // http://bugs.php.net/?id=36579
+ 'length' => $tmp->length,
+ 'flags' => $flags,
+ );
+ $mdb2type_info = $db->datatype->mapNativeDatatype($res[$i]);
+ if (PEAR::isError($mdb2type_info)) {
+ return $mdb2type_info;
+ }
+ $res[$i]['mdb2type'] = $mdb2type_info[0][0];
+ if ($mode & MDB2_TABLEINFO_ORDER) {
+ $res['order'][$res[$i]['name']] = $i;
+ }
+ if ($mode & MDB2_TABLEINFO_ORDERTABLE) {
+ $res['ordertable'][$res[$i]['table']][$res[$i]['name']] = $i;
+ }
+ }
+
+ return $res;
+ }
+}
+?>
\ No newline at end of file diff --git a/program/lib/MDB2/Driver/Reverse/pgsql.php b/program/lib/MDB2/Driver/Reverse/pgsql.php new file mode 100644 index 000000000..930eea93f --- /dev/null +++ b/program/lib/MDB2/Driver/Reverse/pgsql.php @@ -0,0 +1,527 @@ +<?php
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2007 Manuel Lemos, Tomas V.V.Cox, |
+// | Stig. S. Bakken, Lukas Smith |
+// | All rights reserved. |
+// +----------------------------------------------------------------------+
+// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB |
+// | API as well as database abstraction for PHP applications. |
+// | This LICENSE is in the BSD license style. |
+// | |
+// | Redistribution and use in source and binary forms, with or without |
+// | modification, are permitted provided that the following conditions |
+// | are met: |
+// | |
+// | Redistributions of source code must retain the above copyright |
+// | notice, this list of conditions and the following disclaimer. |
+// | |
+// | Redistributions in binary form must reproduce the above copyright |
+// | notice, this list of conditions and the following disclaimer in the |
+// | documentation and/or other materials provided with the distribution. |
+// | |
+// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, |
+// | Lukas Smith nor the names of his contributors may be used to endorse |
+// | or promote products derived from this software without specific prior|
+// | written permission. |
+// | |
+// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
+// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
+// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
+// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
+// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
+// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
+// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
+// | OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
+// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
+// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
+// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
+// | POSSIBILITY OF SUCH DAMAGE. |
+// +----------------------------------------------------------------------+
+// | Authors: Paul Cooper <pgc@ucecom.com> |
+// | Lorenzo Alberton <l.alberton@quipo.it> |
+// +----------------------------------------------------------------------+
+//
+// $Id: pgsql.php,v 1.68 2007/11/25 13:38:29 quipo Exp $
+
+require_once 'MDB2/Driver/Reverse/Common.php';
+
+/**
+ * MDB2 PostGreSQL driver for the schema reverse engineering module
+ *
+ * @package MDB2
+ * @category Database
+ * @author Paul Cooper <pgc@ucecom.com>
+ * @author Lorenzo Alberton <l.alberton@quipo.it>
+ */
+class MDB2_Driver_Reverse_pgsql extends MDB2_Driver_Reverse_Common
+{
+ // {{{ getTableFieldDefinition()
+
+ /**
+ * Get the structure of a field into an array
+ *
+ * @param string $table_name name of table that should be used in method
+ * @param string $field_name name of field that should be used in method
+ * @return mixed data array on success, a MDB2 error on failure
+ * @access public
+ */
+ function getTableFieldDefinition($table_name, $field_name)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $result = $db->loadModule('Datatype', null, true);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+
+ list($schema, $table) = $this->splitTableSchema($table_name);
+
+ $query = "SELECT a.attname AS name,
+ t.typname AS type,
+ CASE a.attlen
+ WHEN -1 THEN
+ CASE t.typname
+ WHEN 'numeric' THEN (a.atttypmod / 65536)
+ WHEN 'decimal' THEN (a.atttypmod / 65536)
+ WHEN 'money' THEN (a.atttypmod / 65536)
+ ELSE CASE a.atttypmod
+ WHEN -1 THEN NULL
+ ELSE a.atttypmod - 4
+ END
+ END
+ ELSE a.attlen
+ END AS length,
+ CASE t.typname
+ WHEN 'numeric' THEN (a.atttypmod % 65536) - 4
+ WHEN 'decimal' THEN (a.atttypmod % 65536) - 4
+ WHEN 'money' THEN (a.atttypmod % 65536) - 4
+ ELSE 0
+ END AS scale,
+ a.attnotnull,
+ a.atttypmod,
+ a.atthasdef,
+ (SELECT substring(pg_get_expr(d.adbin, d.adrelid) for 128)
+ FROM pg_attrdef d
+ WHERE d.adrelid = a.attrelid
+ AND d.adnum = a.attnum
+ AND a.atthasdef
+ ) as default
+ FROM pg_attribute a,
+ pg_class c,
+ pg_type t
+ WHERE c.relname = ".$db->quote($table, 'text')."
+ AND a.atttypid = t.oid
+ AND c.oid = a.attrelid
+ AND NOT a.attisdropped
+ AND a.attnum > 0
+ AND a.attname = ".$db->quote($field_name, 'text')."
+ ORDER BY a.attnum";
+ $column = $db->queryRow($query, null, MDB2_FETCHMODE_ASSOC);
+ if (PEAR::isError($column)) {
+ return $column;
+ }
+
+ if (empty($column)) {
+ return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+ 'it was not specified an existing table column', __FUNCTION__);
+ }
+
+ $column = array_change_key_case($column, CASE_LOWER);
+ $mapped_datatype = $db->datatype->mapNativeDatatype($column);
+ if (PEAR::isError($mapped_datatype)) {
+ return $mapped_datatype;
+ }
+ list($types, $length, $unsigned, $fixed) = $mapped_datatype;
+ $notnull = false;
+ if (!empty($column['attnotnull']) && $column['attnotnull'] == 't') {
+ $notnull = true;
+ }
+ $default = null;
+ if ($column['atthasdef'] === 't'
+ && !preg_match("/nextval\('([^']+)'/", $column['default'])
+ ) {
+ $pattern = '/(\'.*\')::[\w ]+$/i';
+ $default = $column['default'];#substr($column['adsrc'], 1, -1);
+ if (is_null($default) && $notnull) {
+ $default = '';
+ } elseif (!empty($default) && preg_match($pattern, $default)) {
+ //remove data type cast
+ $default = preg_replace ($pattern, '\\1', $default);
+ }
+ }
+ $autoincrement = false;
+ if (preg_match("/nextval\('([^']+)'/", $column['default'], $nextvals)) {
+ $autoincrement = true;
+ }
+ $definition[0] = array('notnull' => $notnull, 'nativetype' => $column['type']);
+ if (!is_null($length)) {
+ $definition[0]['length'] = $length;
+ }
+ if (!is_null($unsigned)) {
+ $definition[0]['unsigned'] = $unsigned;
+ }
+ if (!is_null($fixed)) {
+ $definition[0]['fixed'] = $fixed;
+ }
+ if ($default !== false) {
+ $definition[0]['default'] = $default;
+ }
+ if ($autoincrement !== false) {
+ $definition[0]['autoincrement'] = $autoincrement;
+ }
+ foreach ($types as $key => $type) {
+ $definition[$key] = $definition[0];
+ if ($type == 'clob' || $type == 'blob') {
+ unset($definition[$key]['default']);
+ }
+ $definition[$key]['type'] = $type;
+ $definition[$key]['mdb2type'] = $type;
+ }
+ return $definition;
+ }
+
+ // }}}
+ // {{{ getTableIndexDefinition()
+
+ /**
+ * Get the structure of an index into an array
+ *
+ * @param string $table_name name of table that should be used in method
+ * @param string $index_name name of index that should be used in method
+ * @return mixed data array on success, a MDB2 error on failure
+ * @access public
+ */
+ function getTableIndexDefinition($table_name, $index_name)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ list($schema, $table) = $this->splitTableSchema($table_name);
+
+ $query = 'SELECT relname, indkey FROM pg_index, pg_class';
+ $query.= ' WHERE pg_class.oid = pg_index.indexrelid';
+ $query.= " AND indisunique != 't' AND indisprimary != 't'";
+ $query.= ' AND pg_class.relname = %s';
+ $index_name_mdb2 = $db->getIndexName($index_name);
+ $row = $db->queryRow(sprintf($query, $db->quote($index_name_mdb2, 'text')), null, MDB2_FETCHMODE_ASSOC);
+ if (PEAR::isError($row) || empty($row)) {
+ // fallback to the given $index_name, without transformation
+ $row = $db->queryRow(sprintf($query, $db->quote($index_name, 'text')), null, MDB2_FETCHMODE_ASSOC);
+ }
+ if (PEAR::isError($row)) {
+ return $row;
+ }
+
+ if (empty($row)) {
+ return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+ 'it was not specified an existing table index', __FUNCTION__);
+ }
+
+ $row = array_change_key_case($row, CASE_LOWER);
+
+ $db->loadModule('Manager', null, true);
+ $columns = $db->manager->listTableFields($table_name);
+
+ $definition = array();
+
+ $index_column_numbers = explode(' ', $row['indkey']);
+
+ $colpos = 1;
+ foreach ($index_column_numbers as $number) {
+ $definition['fields'][$columns[($number - 1)]] = array(
+ 'position' => $colpos++,
+ 'sorting' => 'ascending',
+ );
+ }
+ return $definition;
+ }
+
+ // }}}
+ // {{{ getTableConstraintDefinition()
+
+ /**
+ * Get the structure of a constraint into an array
+ *
+ * @param string $table_name name of table that should be used in method
+ * @param string $constraint_name name of constraint that should be used in method
+ * @return mixed data array on success, a MDB2 error on failure
+ * @access public
+ */
+ function getTableConstraintDefinition($table_name, $constraint_name)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ list($schema, $table) = $this->splitTableSchema($table_name);
+
+ $query = "SELECT c.oid,
+ c.conname AS constraint_name,
+ CASE WHEN c.contype = 'c' THEN 1 ELSE 0 END AS \"check\",
+ CASE WHEN c.contype = 'f' THEN 1 ELSE 0 END AS \"foreign\",
+ CASE WHEN c.contype = 'p' THEN 1 ELSE 0 END AS \"primary\",
+ CASE WHEN c.contype = 'u' THEN 1 ELSE 0 END AS \"unique\",
+ CASE WHEN c.condeferrable = 'f' THEN 0 ELSE 1 END AS deferrable,
+ CASE WHEN c.condeferred = 'f' THEN 0 ELSE 1 END AS initiallydeferred,
+ --array_to_string(c.conkey, ' ') AS constraint_key,
+ t.relname AS table_name,
+ t2.relname AS references_table,
+ CASE confupdtype
+ WHEN 'a' THEN 'NO ACTION'
+ WHEN 'r' THEN 'RESTRICT'
+ WHEN 'c' THEN 'CASCADE'
+ WHEN 'n' THEN 'SET NULL'
+ WHEN 'd' THEN 'SET DEFAULT'
+ END AS onupdate,
+ CASE confdeltype
+ WHEN 'a' THEN 'NO ACTION'
+ WHEN 'r' THEN 'RESTRICT'
+ WHEN 'c' THEN 'CASCADE'
+ WHEN 'n' THEN 'SET NULL'
+ WHEN 'd' THEN 'SET DEFAULT'
+ END AS ondelete,
+ CASE confmatchtype
+ WHEN 'u' THEN 'UNSPECIFIED'
+ WHEN 'f' THEN 'FULL'
+ WHEN 'p' THEN 'PARTIAL'
+ END AS match,
+ --array_to_string(c.confkey, ' ') AS fk_constraint_key,
+ consrc
+ FROM pg_constraint c
+ LEFT JOIN pg_class t ON c.conrelid = t.oid
+ LEFT JOIN pg_class t2 ON c.confrelid = t2.oid
+ WHERE c.conname = %s
+ AND t.relname = " . $db->quote($table, 'text');
+ $constraint_name_mdb2 = $db->getIndexName($constraint_name);
+ $row = $db->queryRow(sprintf($query, $db->quote($constraint_name_mdb2, 'text')), null, MDB2_FETCHMODE_ASSOC);
+ if (PEAR::isError($row) || empty($row)) {
+ // fallback to the given $index_name, without transformation
+ $constraint_name_mdb2 = $constraint_name;
+ $row = $db->queryRow(sprintf($query, $db->quote($constraint_name_mdb2, 'text')), null, MDB2_FETCHMODE_ASSOC);
+ }
+ if (PEAR::isError($row)) {
+ return $row;
+ }
+
+ if (empty($row)) {
+ return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+ $constraint_name . ' is not an existing table constraint', __FUNCTION__);
+ }
+
+ $row = array_change_key_case($row, CASE_LOWER);
+
+ $definition = array(
+ 'primary' => (boolean)$row['primary'],
+ 'unique' => (boolean)$row['unique'],
+ 'foreign' => (boolean)$row['foreign'],
+ 'check' => (boolean)$row['check'],
+ 'fields' => array(),
+ 'references' => array(
+ 'table' => $row['references_table'],
+ 'fields' => array(),
+ ),
+ 'deferrable' => (boolean)$row['deferrable'],
+ 'initiallydeferred' => (boolean)$row['initiallydeferred'],
+ 'onupdate' => $row['onupdate'],
+ 'ondelete' => $row['ondelete'],
+ 'match' => $row['match'],
+ );
+
+ $query = 'SELECT a.attname
+ FROM pg_constraint c
+ LEFT JOIN pg_class t ON c.conrelid = t.oid
+ LEFT JOIN pg_attribute a ON a.attrelid = t.oid AND a.attnum = ANY(c.conkey)
+ WHERE c.conname = %s
+ AND t.relname = ' . $db->quote($table, 'text');
+ $constraint_name_mdb2 = $db->getIndexName($constraint_name);
+ $fields = $db->queryCol(sprintf($query, $db->quote($constraint_name_mdb2, 'text')), null);
+ if (PEAR::isError($fields)) {
+ return $fields;
+ }
+ $colpos = 1;
+ foreach ($fields as $field) {
+ $definition['fields'][$field] = array(
+ 'position' => $colpos++,
+ 'sorting' => 'ascending',
+ );
+ }
+
+ if ($definition['foreign']) {
+ $query = 'SELECT a.attname
+ FROM pg_constraint c
+ LEFT JOIN pg_class t ON c.confrelid = t.oid
+ LEFT JOIN pg_attribute a ON a.attrelid = t.oid AND a.attnum = ANY(c.conkey)
+ WHERE c.conname = %s
+ AND t.relname = ' . $db->quote($definition['references']['table'], 'text');
+ $constraint_name_mdb2 = $db->getIndexName($constraint_name);
+ $foreign_fields = $db->queryCol(sprintf($query, $db->quote($constraint_name_mdb2, 'text')), null);
+ if (PEAR::isError($foreign_fields)) {
+ return $foreign_fields;
+ }
+ $colpos = 1;
+ foreach ($foreign_fields as $foreign_field) {
+ $definition['references']['fields'][$foreign_field] = array(
+ 'position' => $colpos++,
+ );
+ }
+ }
+
+ if ($definition['check']) {
+ $check_def = $db->queryOne("SELECT pg_get_constraintdef(" . $row['oid'] . ", 't')");
+ // ...
+ }
+ return $definition;
+ }
+
+ // }}}
+ // {{{ getTriggerDefinition()
+
+ /**
+ * Get the structure of a trigger into an array
+ *
+ * EXPERIMENTAL
+ *
+ * WARNING: this function is experimental and may change the returned value
+ * at any time until labelled as non-experimental
+ *
+ * @param string $trigger name of trigger that should be used in method
+ * @return mixed data array on success, a MDB2 error on failure
+ * @access public
+ *
+ * @TODO: add support for plsql functions and functions with args
+ */
+ function getTriggerDefinition($trigger)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $query = "SELECT trg.tgname AS trigger_name,
+ tbl.relname AS table_name,
+ CASE
+ WHEN p.proname IS NOT NULL THEN 'EXECUTE PROCEDURE ' || p.proname || '();'
+ ELSE ''
+ END AS trigger_body,
+ CASE trg.tgtype & cast(2 as int2)
+ WHEN 0 THEN 'AFTER'
+ ELSE 'BEFORE'
+ END AS trigger_type,
+ CASE trg.tgtype & cast(28 as int2)
+ WHEN 16 THEN 'UPDATE'
+ WHEN 8 THEN 'DELETE'
+ WHEN 4 THEN 'INSERT'
+ WHEN 20 THEN 'INSERT, UPDATE'
+ WHEN 28 THEN 'INSERT, UPDATE, DELETE'
+ WHEN 24 THEN 'UPDATE, DELETE'
+ WHEN 12 THEN 'INSERT, DELETE'
+ END AS trigger_event,
+ trg.tgenabled AS trigger_enabled,
+ obj_description(trg.oid, 'pg_trigger') AS trigger_comment
+ FROM pg_trigger trg,
+ pg_class tbl,
+ pg_proc p
+ WHERE trg.tgrelid = tbl.oid
+ AND trg.tgfoid = p.oid
+ AND trg.tgname = ". $db->quote($trigger, 'text');
+ $types = array(
+ 'trigger_name' => 'text',
+ 'table_name' => 'text',
+ 'trigger_body' => 'text',
+ 'trigger_type' => 'text',
+ 'trigger_event' => 'text',
+ 'trigger_comment' => 'text',
+ 'trigger_enabled' => 'boolean',
+ );
+ return $db->queryRow($query, $types, MDB2_FETCHMODE_ASSOC);
+ }
+
+ // }}}
+ // {{{ tableInfo()
+
+ /**
+ * Returns information about a table or a result set
+ *
+ * NOTE: only supports 'table' and 'flags' if <var>$result</var>
+ * is a table name.
+ *
+ * @param object|string $result MDB2_result object from a query or a
+ * string containing the name of a table.
+ * While this also accepts a query result
+ * resource identifier, this behavior is
+ * deprecated.
+ * @param int $mode a valid tableInfo mode
+ *
+ * @return array an associative array with the information requested.
+ * A MDB2_Error object on failure.
+ *
+ * @see MDB2_Driver_Common::tableInfo()
+ */
+ function tableInfo($result, $mode = null)
+ {
+ if (is_string($result)) {
+ return parent::tableInfo($result, $mode);
+ }
+
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $resource = MDB2::isResultCommon($result) ? $result->getResource() : $result;
+ if (!is_resource($resource)) {
+ return $db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
+ 'Could not generate result resource', __FUNCTION__);
+ }
+
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ if ($db->options['field_case'] == CASE_LOWER) {
+ $case_func = 'strtolower';
+ } else {
+ $case_func = 'strtoupper';
+ }
+ } else {
+ $case_func = 'strval';
+ }
+
+ $count = @pg_num_fields($resource);
+ $res = array();
+
+ if ($mode) {
+ $res['num_fields'] = $count;
+ }
+
+ $db->loadModule('Datatype', null, true);
+ for ($i = 0; $i < $count; $i++) {
+ $res[$i] = array(
+ 'table' => function_exists('pg_field_table') ? @pg_field_table($resource, $i) : '',
+ 'name' => $case_func(@pg_field_name($resource, $i)),
+ 'type' => @pg_field_type($resource, $i),
+ 'length' => @pg_field_size($resource, $i),
+ 'flags' => '',
+ );
+ $mdb2type_info = $db->datatype->mapNativeDatatype($res[$i]);
+ if (PEAR::isError($mdb2type_info)) {
+ return $mdb2type_info;
+ }
+ $res[$i]['mdb2type'] = $mdb2type_info[0][0];
+ if ($mode & MDB2_TABLEINFO_ORDER) {
+ $res['order'][$res[$i]['name']] = $i;
+ }
+ if ($mode & MDB2_TABLEINFO_ORDERTABLE) {
+ $res['ordertable'][$res[$i]['table']][$res[$i]['name']] = $i;
+ }
+ }
+
+ return $res;
+ }
+}
+?>
\ No newline at end of file diff --git a/program/lib/MDB2/Driver/Reverse/sqlite.php b/program/lib/MDB2/Driver/Reverse/sqlite.php new file mode 100644 index 000000000..2ba81c7c5 --- /dev/null +++ b/program/lib/MDB2/Driver/Reverse/sqlite.php @@ -0,0 +1,573 @@ +<?php
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2007 Manuel Lemos, Tomas V.V.Cox, |
+// | Stig. S. Bakken, Lukas Smith, Lorenzo Alberton |
+// | All rights reserved. |
+// +----------------------------------------------------------------------+
+// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB |
+// | API as well as database abstraction for PHP applications. |
+// | This LICENSE is in the BSD license style. |
+// | |
+// | Redistribution and use in source and binary forms, with or without |
+// | modification, are permitted provided that the following conditions |
+// | are met: |
+// | |
+// | Redistributions of source code must retain the above copyright |
+// | notice, this list of conditions and the following disclaimer. |
+// | |
+// | Redistributions in binary form must reproduce the above copyright |
+// | notice, this list of conditions and the following disclaimer in the |
+// | documentation and/or other materials provided with the distribution. |
+// | |
+// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, |
+// | Lukas Smith nor the names of his contributors may be used to endorse |
+// | or promote products derived from this software without specific prior|
+// | written permission. |
+// | |
+// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
+// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
+// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
+// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
+// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
+// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
+// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
+// | OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
+// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
+// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
+// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
+// | POSSIBILITY OF SUCH DAMAGE. |
+// +----------------------------------------------------------------------+
+// | Authors: Lukas Smith <smith@pooteeweet.org> |
+// | Lorenzo Alberton <l.alberton@quipo.it> |
+// +----------------------------------------------------------------------+
+//
+// $Id: sqlite.php,v 1.78 2007/12/01 10:46:13 quipo Exp $
+//
+
+require_once 'MDB2/Driver/Reverse/Common.php';
+
+/**
+ * MDB2 SQlite driver for the schema reverse engineering module
+ *
+ * @package MDB2
+ * @category Database
+ * @author Lukas Smith <smith@pooteeweet.org>
+ */
+class MDB2_Driver_Reverse_sqlite extends MDB2_Driver_Reverse_Common
+{
+ function _getTableColumns($sql)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+ $start_pos = strpos($sql, '(');
+ $end_pos = strrpos($sql, ')');
+ $column_def = substr($sql, $start_pos+1, $end_pos-$start_pos-1);
+ // replace the decimal length-places-separator with a colon
+ $column_def = preg_replace('/(\d),(\d)/', '\1:\2', $column_def);
+ $column_sql = split(',', $column_def);
+ $columns = array();
+ $count = count($column_sql);
+ if ($count == 0) {
+ return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'unexpected empty table column definition list', __FUNCTION__);
+ }
+ $regexp = '/^\s*([^\s]+) +(CHAR|VARCHAR|VARCHAR2|TEXT|BOOLEAN|SMALLINT|INT|INTEGER|DECIMAL|BIGINT|DOUBLE|FLOAT|DATETIME|DATE|TIME|LONGTEXT|LONGBLOB)( ?\(([1-9][0-9]*)(:([1-9][0-9]*))?\))?( UNSIGNED)?( PRIMARY KEY)?( DEFAULT (\'[^\']*\'|[^ ]+))?( NULL| NOT NULL)?( PRIMARY KEY)?$/i';
+ $regexp2 = '/^\s*([^ ]+) +(PRIMARY|UNIQUE|CHECK)$/i';
+ for ($i=0, $j=0; $i<$count; ++$i) {
+ if (!preg_match($regexp, trim($column_sql[$i]), $matches)) {
+ if (!preg_match($regexp2, trim($column_sql[$i]))) {
+ continue;
+ }
+ return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'unexpected table column SQL definition: "'.$column_sql[$i].'"', __FUNCTION__);
+ }
+ $columns[$j]['name'] = trim($matches[1], implode('', $db->identifier_quoting));
+ $columns[$j]['type'] = strtolower($matches[2]);
+ if (isset($matches[4]) && strlen($matches[4])) {
+ $columns[$j]['length'] = $matches[4];
+ }
+ if (isset($matches[6]) && strlen($matches[6])) {
+ $columns[$j]['decimal'] = $matches[6];
+ }
+ if (isset($matches[7]) && strlen($matches[7])) {
+ $columns[$j]['unsigned'] = true;
+ }
+ if (isset($matches[8]) && strlen($matches[8])) {
+ $columns[$j]['autoincrement'] = true;
+ }
+ if (isset($matches[10]) && strlen($matches[10])) {
+ $default = $matches[10];
+ if (strlen($default) && $default[0]=="'") {
+ $default = str_replace("''", "'", substr($default, 1, strlen($default)-2));
+ }
+ if ($default === 'NULL') {
+ $default = null;
+ }
+ $columns[$j]['default'] = $default;
+ }
+ if (isset($matches[11]) && strlen($matches[11])) {
+ $columns[$j]['notnull'] = ($matches[11] === ' NOT NULL');
+ }
+ ++$j;
+ }
+ return $columns;
+ }
+
+ // {{{ getTableFieldDefinition()
+
+ /**
+ * Get the stucture of a field into an array
+ *
+ * @param string $table_name name of table that should be used in method
+ * @param string $field_name name of field that should be used in method
+ * @return mixed data array on success, a MDB2 error on failure.
+ * The returned array contains an array for each field definition,
+ * with (some of) these indices:
+ * [notnull] [nativetype] [length] [fixed] [default] [type] [mdb2type]
+ * @access public
+ */
+ function getTableFieldDefinition($table_name, $field_name)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ list($schema, $table) = $this->splitTableSchema($table_name);
+
+ $result = $db->loadModule('Datatype', null, true);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ $query = "SELECT sql FROM sqlite_master WHERE type='table' AND ";
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $query.= 'LOWER(name)='.$db->quote(strtolower($table), 'text');
+ } else {
+ $query.= 'name='.$db->quote($table, 'text');
+ }
+ $sql = $db->queryOne($query);
+ if (PEAR::isError($sql)) {
+ return $sql;
+ }
+ $columns = $this->_getTableColumns($sql);
+ foreach ($columns as $column) {
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ if ($db->options['field_case'] == CASE_LOWER) {
+ $column['name'] = strtolower($column['name']);
+ } else {
+ $column['name'] = strtoupper($column['name']);
+ }
+ } else {
+ $column = array_change_key_case($column, $db->options['field_case']);
+ }
+ if ($field_name == $column['name']) {
+ $mapped_datatype = $db->datatype->mapNativeDatatype($column);
+ if (PEAR::isError($mapped_datatype)) {
+ return $mapped_datatype;
+ }
+ list($types, $length, $unsigned, $fixed) = $mapped_datatype;
+ $notnull = false;
+ if (!empty($column['notnull'])) {
+ $notnull = $column['notnull'];
+ }
+ $default = false;
+ if (array_key_exists('default', $column)) {
+ $default = $column['default'];
+ if (is_null($default) && $notnull) {
+ $default = '';
+ }
+ }
+ $autoincrement = false;
+ if (!empty($column['autoincrement'])) {
+ $autoincrement = true;
+ }
+
+ $definition[0] = array(
+ 'notnull' => $notnull,
+ 'nativetype' => preg_replace('/^([a-z]+)[^a-z].*/i', '\\1', $column['type'])
+ );
+ if (!is_null($length)) {
+ $definition[0]['length'] = $length;
+ }
+ if (!is_null($unsigned)) {
+ $definition[0]['unsigned'] = $unsigned;
+ }
+ if (!is_null($fixed)) {
+ $definition[0]['fixed'] = $fixed;
+ }
+ if ($default !== false) {
+ $definition[0]['default'] = $default;
+ }
+ if ($autoincrement !== false) {
+ $definition[0]['autoincrement'] = $autoincrement;
+ }
+ foreach ($types as $key => $type) {
+ $definition[$key] = $definition[0];
+ if ($type == 'clob' || $type == 'blob') {
+ unset($definition[$key]['default']);
+ }
+ $definition[$key]['type'] = $type;
+ $definition[$key]['mdb2type'] = $type;
+ }
+ return $definition;
+ }
+ }
+
+ return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+ 'it was not specified an existing table column', __FUNCTION__);
+ }
+
+ // }}}
+ // {{{ getTableIndexDefinition()
+
+ /**
+ * Get the stucture of an index into an array
+ *
+ * @param string $table_name name of table that should be used in method
+ * @param string $index_name name of index that should be used in method
+ * @return mixed data array on success, a MDB2 error on failure
+ * @access public
+ */
+ function getTableIndexDefinition($table_name, $index_name)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ list($schema, $table) = $this->splitTableSchema($table_name);
+
+ $query = "SELECT sql FROM sqlite_master WHERE type='index' AND ";
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $query.= 'LOWER(name)=%s AND LOWER(tbl_name)=' . $db->quote(strtolower($table), 'text');
+ } else {
+ $query.= 'name=%s AND tbl_name=' . $db->quote($table, 'text');
+ }
+ $query.= ' AND sql NOT NULL ORDER BY name';
+ $index_name_mdb2 = $db->getIndexName($index_name);
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $qry = sprintf($query, $db->quote(strtolower($index_name_mdb2), 'text'));
+ } else {
+ $qry = sprintf($query, $db->quote($index_name_mdb2, 'text'));
+ }
+ $sql = $db->queryOne($qry, 'text');
+ if (PEAR::isError($sql) || empty($sql)) {
+ // fallback to the given $index_name, without transformation
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $qry = sprintf($query, $db->quote(strtolower($index_name), 'text'));
+ } else {
+ $qry = sprintf($query, $db->quote($index_name, 'text'));
+ }
+ $sql = $db->queryOne($qry, 'text');
+ }
+ if (PEAR::isError($sql)) {
+ return $sql;
+ }
+ if (!$sql) {
+ return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+ 'it was not specified an existing table index', __FUNCTION__);
+ }
+
+ $sql = strtolower($sql);
+ $start_pos = strpos($sql, '(');
+ $end_pos = strrpos($sql, ')');
+ $column_names = substr($sql, $start_pos+1, $end_pos-$start_pos-1);
+ $column_names = split(',', $column_names);
+
+ if (preg_match("/^create unique/", $sql)) {
+ return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+ 'it was not specified an existing table index', __FUNCTION__);
+ }
+
+ $definition = array();
+ $count = count($column_names);
+ for ($i=0; $i<$count; ++$i) {
+ $column_name = strtok($column_names[$i], ' ');
+ $collation = strtok(' ');
+ $definition['fields'][$column_name] = array(
+ 'position' => $i+1
+ );
+ if (!empty($collation)) {
+ $definition['fields'][$column_name]['sorting'] =
+ ($collation=='ASC' ? 'ascending' : 'descending');
+ }
+ }
+
+ if (empty($definition['fields'])) {
+ return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+ 'it was not specified an existing table index', __FUNCTION__);
+ }
+ return $definition;
+ }
+
+ // }}}
+ // {{{ getTableConstraintDefinition()
+
+ /**
+ * Get the stucture of a constraint into an array
+ *
+ * @param string $table_name name of table that should be used in method
+ * @param string $constraint_name name of constraint that should be used in method
+ * @return mixed data array on success, a MDB2 error on failure
+ * @access public
+ */
+ function getTableConstraintDefinition($table_name, $constraint_name)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ list($schema, $table) = $this->splitTableSchema($table_name);
+
+ $query = "SELECT sql FROM sqlite_master WHERE type='index' AND ";
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $query.= 'LOWER(name)=%s AND LOWER(tbl_name)=' . $db->quote(strtolower($table), 'text');
+ } else {
+ $query.= 'name=%s AND tbl_name=' . $db->quote($table, 'text');
+ }
+ $query.= ' AND sql NOT NULL ORDER BY name';
+ $constraint_name_mdb2 = $db->getIndexName($constraint_name);
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $qry = sprintf($query, $db->quote(strtolower($constraint_name_mdb2), 'text'));
+ } else {
+ $qry = sprintf($query, $db->quote($constraint_name_mdb2, 'text'));
+ }
+ $sql = $db->queryOne($qry, 'text');
+ if (PEAR::isError($sql) || empty($sql)) {
+ // fallback to the given $index_name, without transformation
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $qry = sprintf($query, $db->quote(strtolower($constraint_name), 'text'));
+ } else {
+ $qry = sprintf($query, $db->quote($constraint_name, 'text'));
+ }
+ $sql = $db->queryOne($qry, 'text');
+ }
+ if (PEAR::isError($sql)) {
+ return $sql;
+ }
+ //default values, eventually overridden
+ $definition = array(
+ 'primary' => false,
+ 'unique' => false,
+ 'foreign' => false,
+ 'check' => false,
+ 'fields' => array(),
+ 'references' => array(
+ 'table' => '',
+ 'fields' => array(),
+ ),
+ 'onupdate' => '',
+ 'ondelete' => '',
+ 'match' => '',
+ 'deferrable' => false,
+ 'initiallydeferred' => false,
+ );
+ if (!$sql) {
+ $query = "SELECT sql FROM sqlite_master WHERE type='table' AND ";
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $query.= 'LOWER(name)='.$db->quote(strtolower($table), 'text');
+ } else {
+ $query.= 'name='.$db->quote($table, 'text');
+ }
+ $query.= " AND sql NOT NULL ORDER BY name";
+ $sql = $db->queryOne($query, 'text');
+ if (PEAR::isError($sql)) {
+ return $sql;
+ }
+ if ($constraint_name == 'primary') {
+ // search in table definition for PRIMARY KEYs
+ if (preg_match("/\bPRIMARY\s+KEY\b\s*\(([^)]+)/i", $sql, $tmp)) {
+ $definition['primary'] = true;
+ $definition['fields'] = array();
+ $column_names = split(',', $tmp[1]);
+ $colpos = 1;
+ foreach ($column_names as $column_name) {
+ $definition['fields'][trim($column_name)] = array(
+ 'position' => $colpos++
+ );
+ }
+ return $definition;
+ }
+ } else {
+ // search in table definition for FOREIGN KEYs
+ $pattern = "/\bCONSTRAINT\b\s+%s\s+
+ \bFOREIGN\s+KEY\b\s*\(([^\)]+)\)\s*
+ \bREFERENCES\b\s+([^\s]+)\s*\(([^\)]+)\)\s*
+ (?:\bMATCH\s*([^\s]+))?\s*
+ (?:\bON\s+UPDATE\s+([^\s,\)]+))?\s*
+ (?:\bON\s+DELETE\s+([^\s,\)]+))?\s*
+ /imsx";
+ $found_fk = false;
+ if (preg_match(sprintf($pattern, $constraint_name_mdb2), $sql, $tmp)) {
+ $found_fk = true;
+ } elseif (preg_match(sprintf($pattern, $constraint_name), $sql, $tmp)) {
+ $found_fk = true;
+ }
+ if ($found_fk) {
+ $definition['foreign'] = true;
+ $definition['match'] = 'SIMPLE';
+ $definition['onupdate'] = 'NO ACTION';
+ $definition['ondelete'] = 'NO ACTION';
+ $definition['references']['table'] = $tmp[2];
+ $column_names = split(',', $tmp[1]);
+ $colpos = 1;
+ foreach ($column_names as $column_name) {
+ $definition['fields'][trim($column_name)] = array(
+ 'position' => $colpos++
+ );
+ }
+ $referenced_cols = split(',', $tmp[3]);
+ $colpos = 1;
+ foreach ($referenced_cols as $column_name) {
+ $definition['references']['fields'][trim($column_name)] = array(
+ 'position' => $colpos++
+ );
+ }
+ if (isset($tmp[4])) {
+ $definition['match'] = $tmp[4];
+ }
+ if (isset($tmp[5])) {
+ $definition['onupdate'] = $tmp[5];
+ }
+ if (isset($tmp[6])) {
+ $definition['ondelete'] = $tmp[6];
+ }
+ return $definition;
+ }
+ }
+ $sql = false;
+ }
+ if (!$sql) {
+ return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+ $constraint_name . ' is not an existing table constraint', __FUNCTION__);
+ }
+
+ $sql = strtolower($sql);
+ $start_pos = strpos($sql, '(');
+ $end_pos = strrpos($sql, ')');
+ $column_names = substr($sql, $start_pos+1, $end_pos-$start_pos-1);
+ $column_names = split(',', $column_names);
+
+ if (!preg_match("/^create unique/", $sql)) {
+ return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+ $constraint_name . ' is not an existing table constraint', __FUNCTION__);
+ }
+
+ $definition['unique'] = true;
+ $count = count($column_names);
+ for ($i=0; $i<$count; ++$i) {
+ $column_name = strtok($column_names[$i]," ");
+ $collation = strtok(" ");
+ $definition['fields'][$column_name] = array(
+ 'position' => $i+1
+ );
+ if (!empty($collation)) {
+ $definition['fields'][$column_name]['sorting'] =
+ ($collation=='ASC' ? 'ascending' : 'descending');
+ }
+ }
+
+ if (empty($definition['fields'])) {
+ return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+ $constraint_name . ' is not an existing table constraint', __FUNCTION__);
+ }
+ return $definition;
+ }
+
+ // }}}
+ // {{{ getTriggerDefinition()
+
+ /**
+ * Get the structure of a trigger into an array
+ *
+ * EXPERIMENTAL
+ *
+ * WARNING: this function is experimental and may change the returned value
+ * at any time until labelled as non-experimental
+ *
+ * @param string $trigger name of trigger that should be used in method
+ * @return mixed data array on success, a MDB2 error on failure
+ * @access public
+ */
+ function getTriggerDefinition($trigger)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $query = "SELECT name as trigger_name,
+ tbl_name AS table_name,
+ sql AS trigger_body,
+ NULL AS trigger_type,
+ NULL AS trigger_event,
+ NULL AS trigger_comment,
+ 1 AS trigger_enabled
+ FROM sqlite_master
+ WHERE type='trigger'";
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $query.= ' AND LOWER(name)='.$db->quote(strtolower($trigger), 'text');
+ } else {
+ $query.= ' AND name='.$db->quote($trigger, 'text');
+ }
+ $types = array(
+ 'trigger_name' => 'text',
+ 'table_name' => 'text',
+ 'trigger_body' => 'text',
+ 'trigger_type' => 'text',
+ 'trigger_event' => 'text',
+ 'trigger_comment' => 'text',
+ 'trigger_enabled' => 'boolean',
+ );
+ $def = $db->queryRow($query, $types, MDB2_FETCHMODE_ASSOC);
+ if (PEAR::isError($def)) {
+ return $def;
+ }
+ if (empty($def)) {
+ return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+ 'it was not specified an existing trigger', __FUNCTION__);
+ }
+ if (preg_match("/^create\s+(?:temp|temporary)?trigger\s+(?:if\s+not\s+exists\s+)?.*(before|after)?\s+(insert|update|delete)/Uims", $def['trigger_body'], $tmp)) {
+ $def['trigger_type'] = strtoupper($tmp[1]);
+ $def['trigger_event'] = strtoupper($tmp[2]);
+ }
+ return $def;
+ }
+
+ // }}}
+ // {{{ tableInfo()
+
+ /**
+ * Returns information about a table
+ *
+ * @param string $result a string containing the name of a table
+ * @param int $mode a valid tableInfo mode
+ *
+ * @return array an associative array with the information requested.
+ * A MDB2_Error object on failure.
+ *
+ * @see MDB2_Driver_Common::tableInfo()
+ * @since Method available since Release 1.7.0
+ */
+ function tableInfo($result, $mode = null)
+ {
+ if (is_string($result)) {
+ return parent::tableInfo($result, $mode);
+ }
+
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ return $db->raiseError(MDB2_ERROR_NOT_CAPABLE, null, null,
+ 'This DBMS can not obtain tableInfo from result sets', __FUNCTION__);
+ }
+}
+
+?>
\ No newline at end of file diff --git a/program/lib/MDB2/Driver/mssql.php b/program/lib/MDB2/Driver/mssql.php new file mode 100644 index 000000000..f74acfea4 --- /dev/null +++ b/program/lib/MDB2/Driver/mssql.php @@ -0,0 +1,1010 @@ +<?php
+// vim: set et ts=4 sw=4 fdm=marker:
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2006 Manuel Lemos, Tomas V.V.Cox, |
+// | Stig. S. Bakken, Lukas Smith, Frank M. Kromann |
+// | All rights reserved. |
+// +----------------------------------------------------------------------+
+// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB |
+// | API as well as database abstraction for PHP applications. |
+// | This LICENSE is in the BSD license style. |
+// | |
+// | Redistribution and use in source and binary forms, with or without |
+// | modification, are permitted provided that the following conditions |
+// | are met: |
+// | |
+// | Redistributions of source code must retain the above copyright |
+// | notice, this list of conditions and the following disclaimer. |
+// | |
+// | Redistributions in binary form must reproduce the above copyright |
+// | notice, this list of conditions and the following disclaimer in the |
+// | documentation and/or other materials provided with the distribution. |
+// | |
+// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, |
+// | Lukas Smith nor the names of his contributors may be used to endorse |
+// | or promote products derived from this software without specific prior|
+// | written permission. |
+// | |
+// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
+// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
+// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
+// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
+// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
+// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
+// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
+// | OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
+// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
+// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
+// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
+// | POSSIBILITY OF SUCH DAMAGE. |
+// +----------------------------------------------------------------------+
+// | Author: Frank M. Kromann <frank@kromann.info> |
+// +----------------------------------------------------------------------+
+//
+// $Id: mssql.php,v 1.161 2007/11/18 17:52:00 quipo Exp $
+//
+// {{{ Class MDB2_Driver_mssql
+/**
+ * MDB2 MSSQL Server driver
+ *
+ * @package MDB2
+ * @category Database
+ * @author Frank M. Kromann <frank@kromann.info>
+ */
+class MDB2_Driver_mssql extends MDB2_Driver_Common
+{
+ // {{{ properties
+
+ var $string_quoting = array('start' => "'", 'end' => "'", 'escape' => "'", 'escape_pattern' => false);
+
+ var $identifier_quoting = array('start' => '[', 'end' => ']', 'escape' => ']');
+
+ // }}}
+ // {{{ constructor
+
+ /**
+ * Constructor
+ */
+ function __construct()
+ {
+ parent::__construct();
+
+ $this->phptype = 'mssql';
+ $this->dbsyntax = 'mssql';
+
+ $this->supported['sequences'] = 'emulated';
+ $this->supported['indexes'] = true;
+ $this->supported['affected_rows'] = true;
+ $this->supported['transactions'] = true;
+ $this->supported['savepoints'] = false;
+ $this->supported['summary_functions'] = true;
+ $this->supported['order_by_text'] = true;
+ $this->supported['current_id'] = 'emulated';
+ $this->supported['limit_queries'] = 'emulated';
+ $this->supported['LOBs'] = true;
+ $this->supported['replace'] = 'emulated';
+ $this->supported['sub_selects'] = true;
+ $this->supported['auto_increment'] = true;
+ $this->supported['primary_key'] = true;
+ $this->supported['result_introspection'] = true;
+ $this->supported['prepared_statements'] = 'emulated';
+ $this->supported['pattern_escaping'] = true;
+ $this->supported['new_link'] = true;
+
+ $this->options['database_device'] = false;
+ $this->options['database_size'] = false;
+ }
+
+ // }}}
+ // {{{ errorInfo()
+
+ /**
+ * This method is used to collect information about an error
+ *
+ * @param integer $error
+ * @return array
+ * @access public
+ */
+ function errorInfo($error = null)
+ {
+ $native_code = null;
+ if ($this->connection) {
+ $result = @mssql_query('select @@ERROR as ErrorCode', $this->connection);
+ if ($result) {
+ $native_code = @mssql_result($result, 0, 0);
+ @mssql_free_result($result);
+ }
+ }
+ $native_msg = @mssql_get_last_message();
+ if (is_null($error)) {
+ static $ecode_map;
+ if (empty($ecode_map)) {
+ $ecode_map = array(
+ 102 => MDB2_ERROR_SYNTAX,
+ 110 => MDB2_ERROR_VALUE_COUNT_ON_ROW,
+ 155 => MDB2_ERROR_NOSUCHFIELD,
+ 156 => MDB2_ERROR_SYNTAX,
+ 170 => MDB2_ERROR_SYNTAX,
+ 207 => MDB2_ERROR_NOSUCHFIELD,
+ 208 => MDB2_ERROR_NOSUCHTABLE,
+ 245 => MDB2_ERROR_INVALID_NUMBER,
+ 319 => MDB2_ERROR_SYNTAX,
+ 321 => MDB2_ERROR_NOSUCHFIELD,
+ 325 => MDB2_ERROR_SYNTAX,
+ 336 => MDB2_ERROR_SYNTAX,
+ 515 => MDB2_ERROR_CONSTRAINT_NOT_NULL,
+ 547 => MDB2_ERROR_CONSTRAINT,
+ 1018 => MDB2_ERROR_SYNTAX,
+ 1035 => MDB2_ERROR_SYNTAX,
+ 1913 => MDB2_ERROR_ALREADY_EXISTS,
+ 2209 => MDB2_ERROR_SYNTAX,
+ 2223 => MDB2_ERROR_SYNTAX,
+ 2248 => MDB2_ERROR_SYNTAX,
+ 2256 => MDB2_ERROR_SYNTAX,
+ 2257 => MDB2_ERROR_SYNTAX,
+ 2627 => MDB2_ERROR_CONSTRAINT,
+ 2714 => MDB2_ERROR_ALREADY_EXISTS,
+ 3607 => MDB2_ERROR_DIVZERO,
+ 3701 => MDB2_ERROR_NOSUCHTABLE,
+ 7630 => MDB2_ERROR_SYNTAX,
+ 8134 => MDB2_ERROR_DIVZERO,
+ 9303 => MDB2_ERROR_SYNTAX,
+ 9317 => MDB2_ERROR_SYNTAX,
+ 9318 => MDB2_ERROR_SYNTAX,
+ 9331 => MDB2_ERROR_SYNTAX,
+ 9332 => MDB2_ERROR_SYNTAX,
+ 15253 => MDB2_ERROR_SYNTAX,
+ );
+ }
+ if (isset($ecode_map[$native_code])) {
+ if ($native_code == 3701
+ && preg_match('/Cannot drop the index/i', $native_msg)
+ ) {
+ $error = MDB2_ERROR_NOT_FOUND;
+ } else {
+ $error = $ecode_map[$native_code];
+ }
+ }
+ }
+ return array($error, $native_code, $native_msg);
+ }
+
+ // }}}
+ // {{{ function escapePattern($text)
+
+ /**
+ * Quotes pattern (% and _) characters in a string)
+ *
+ * @param string the input string to quote
+ *
+ * @return string quoted string
+ *
+ * @access public
+ */
+ function escapePattern($text)
+ {
+ $text = str_replace("[", "[ [ ]", $text);
+ foreach ($this->wildcards as $wildcard) {
+ $text = str_replace($wildcard, '[' . $wildcard . ']', $text);
+ }
+ return $text;
+ }
+
+ // }}}
+ // {{{ beginTransaction()
+
+ /**
+ * Start a transaction or set a savepoint.
+ *
+ * @param string name of a savepoint to set
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ *
+ * @access public
+ */
+ function beginTransaction($savepoint = null)
+ {
+ $this->debug('Starting transaction/savepoint', __FUNCTION__, array('is_manip' => true, 'savepoint' => $savepoint));
+ if (!is_null($savepoint)) {
+ if (!$this->in_transaction) {
+ return $this->raiseError(MDB2_ERROR_INVALID, null, null,
+ 'savepoint cannot be released when changes are auto committed', __FUNCTION__);
+ }
+ $query = 'SAVE TRANSACTION '.$savepoint;
+ return $this->_doQuery($query, true);
+ } elseif ($this->in_transaction) {
+ return MDB2_OK; //nothing to do
+ }
+ if (!$this->destructor_registered && $this->opened_persistent) {
+ $this->destructor_registered = true;
+ register_shutdown_function('MDB2_closeOpenTransactions');
+ }
+ $result =& $this->_doQuery('BEGIN TRANSACTION', true);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ $this->in_transaction = true;
+ return MDB2_OK;
+ }
+
+ // }}}
+ // {{{ commit()
+
+ /**
+ * Commit the database changes done during a transaction that is in
+ * progress or release a savepoint. This function may only be called when
+ * auto-committing is disabled, otherwise it will fail. Therefore, a new
+ * transaction is implicitly started after committing the pending changes.
+ *
+ * @param string name of a savepoint to release
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ *
+ * @access public
+ */
+ function commit($savepoint = null)
+ {
+ $this->debug('Committing transaction/savepoint', __FUNCTION__, array('is_manip' => true, 'savepoint' => $savepoint));
+ if (!$this->in_transaction) {
+ return $this->raiseError(MDB2_ERROR_INVALID, null, null,
+ 'commit/release savepoint cannot be done changes are auto committed', __FUNCTION__);
+ }
+ if (!is_null($savepoint)) {
+ return MDB2_OK;
+ }
+
+ $result =& $this->_doQuery('COMMIT TRANSACTION', true);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ $this->in_transaction = false;
+ return MDB2_OK;
+ }
+
+ // }}}
+ // {{{ rollback()
+
+ /**
+ * Cancel any database changes done during a transaction or since a specific
+ * savepoint that is in progress. This function may only be called when
+ * auto-committing is disabled, otherwise it will fail. Therefore, a new
+ * transaction is implicitly started after canceling the pending changes.
+ *
+ * @param string name of a savepoint to rollback to
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ *
+ * @access public
+ */
+ function rollback($savepoint = null)
+ {
+ $this->debug('Rolling back transaction/savepoint', __FUNCTION__, array('is_manip' => true, 'savepoint' => $savepoint));
+ if (!$this->in_transaction) {
+ return $this->raiseError(MDB2_ERROR_INVALID, null, null,
+ 'rollback cannot be done changes are auto committed', __FUNCTION__);
+ }
+ if (!is_null($savepoint)) {
+ $query = 'ROLLBACK TRANSACTION '.$savepoint;
+ return $this->_doQuery($query, true);
+ }
+
+ $result =& $this->_doQuery('ROLLBACK TRANSACTION', true);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ $this->in_transaction = false;
+ return MDB2_OK;
+ }
+
+ // }}}
+ // {{{ connect()
+
+ /**
+ * Connect to the database
+ *
+ * @return true on success, MDB2 Error Object on failure
+ */
+ function connect()
+ {
+ if (is_resource($this->connection)) {
+ //if (count(array_diff($this->connected_dsn, $this->dsn)) == 0
+ if (MDB2::areEquals($this->connected_dsn, $this->dsn)
+ && $this->opened_persistent == $this->options['persistent']
+ ) {
+ return MDB2_OK;
+ }
+ $this->disconnect(false);
+ }
+
+ if (!PEAR::loadExtension($this->phptype)) {
+ return $this->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+ 'extension '.$this->phptype.' is not compiled into PHP', __FUNCTION__);
+ }
+
+ $params = array(
+ $this->dsn['hostspec'] ? $this->dsn['hostspec'] : 'localhost',
+ $this->dsn['username'] ? $this->dsn['username'] : null,
+ $this->dsn['password'] ? $this->dsn['password'] : null,
+ );
+ if ($this->dsn['port']) {
+ $params[0].= ((substr(PHP_OS, 0, 3) == 'WIN') ? ',' : ':').$this->dsn['port'];
+ }
+ if (!$this->options['persistent']) {
+ if (isset($this->dsn['new_link'])
+ && ($this->dsn['new_link'] == 'true' || $this->dsn['new_link'] === true)
+ ) {
+ $params[] = true;
+ } else {
+ $params[] = false;
+ }
+ }
+
+ $connect_function = $this->options['persistent'] ? 'mssql_pconnect' : 'mssql_connect';
+
+ $connection = @call_user_func_array($connect_function, $params);
+ if ($connection <= 0) {
+ return $this->raiseError(MDB2_ERROR_CONNECT_FAILED, null, null,
+ 'unable to establish a connection', __FUNCTION__, __FUNCTION__);
+ }
+
+ if (!empty($this->dsn['charset'])) {
+ $result = $this->setCharset($this->dsn['charset'], $connection);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ }
+
+ if ((bool)ini_get('mssql.datetimeconvert')) {
+ @ini_set('mssql.datetimeconvert', '0');
+ }
+
+ if (empty($this->dsn['disable_iso_date'])) {
+ @mssql_query('SET DATEFORMAT ymd', $connection);
+ }
+
+ $this->connection = $connection;
+ $this->connected_dsn = $this->dsn;
+ $this->connected_database_name = '';
+ $this->opened_persistent = $this->options['persistent'];
+ $this->dbsyntax = $this->dsn['dbsyntax'] ? $this->dsn['dbsyntax'] : $this->phptype;
+
+ if ($this->database_name) {
+ if ($this->database_name != $this->connected_database_name) {
+ if (!@mssql_select_db($this->database_name, $connection)) {
+ $err = $this->raiseError(null, null, null,
+ 'Could not select the database: '.$this->database_name, __FUNCTION__);
+ return $err;
+ }
+ $this->connected_database_name = $this->database_name;
+ }
+ }
+
+ return MDB2_OK;
+ }
+
+ // }}}
+ // {{{ disconnect()
+
+ /**
+ * Log out and disconnect from the database.
+ *
+ * @param boolean $force if the disconnect should be forced even if the
+ * connection is opened persistently
+ * @return mixed true on success, false if not connected and error
+ * object on error
+ * @access public
+ */
+ function disconnect($force = true)
+ {
+ if (is_resource($this->connection)) {
+ if ($this->in_transaction) {
+ $dsn = $this->dsn;
+ $database_name = $this->database_name;
+ $persistent = $this->options['persistent'];
+ $this->dsn = $this->connected_dsn;
+ $this->database_name = $this->connected_database_name;
+ $this->options['persistent'] = $this->opened_persistent;
+ $this->rollback();
+ $this->dsn = $dsn;
+ $this->database_name = $database_name;
+ $this->options['persistent'] = $persistent;
+ }
+
+ if (!$this->opened_persistent || $force) {
+ @mssql_close($this->connection);
+ }
+ }
+ return parent::disconnect($force);
+ }
+
+ // }}}
+ // {{{ _doQuery()
+
+ /**
+ * Execute a query
+ * @param string $query query
+ * @param boolean $is_manip if the query is a manipulation query
+ * @param resource $connection
+ * @param string $database_name
+ * @return result or error object
+ * @access protected
+ */
+ function &_doQuery($query, $is_manip = false, $connection = null, $database_name = null)
+ {
+ $this->last_query = $query;
+ $result = $this->debug($query, 'query', array('is_manip' => $is_manip, 'when' => 'pre'));
+ if ($result) {
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ $query = $result;
+ }
+ if ($this->options['disable_query']) {
+ $result = $is_manip ? 0 : null;
+ return $result;
+ }
+
+ if (is_null($connection)) {
+ $connection = $this->getConnection();
+ if (PEAR::isError($connection)) {
+ return $connection;
+ }
+ }
+ if (is_null($database_name)) {
+ $database_name = $this->database_name;
+ }
+
+ if ($database_name) {
+ if ($database_name != $this->connected_database_name) {
+ if (!@mssql_select_db($database_name, $connection)) {
+ $err = $this->raiseError(null, null, null,
+ 'Could not select the database: '.$database_name, __FUNCTION__);
+ return $err;
+ }
+ $this->connected_database_name = $database_name;
+ }
+ }
+
+ $result = @mssql_query($query, $connection);
+ if (!$result) {
+ $err =& $this->raiseError(null, null, null,
+ 'Could not execute statement', __FUNCTION__);
+ return $err;
+ }
+
+ $this->debug($query, 'query', array('is_manip' => $is_manip, 'when' => 'post', 'result' => $result));
+ return $result;
+ }
+
+ // }}}
+ // {{{ _affectedRows()
+
+ /**
+ * Returns the number of rows affected
+ *
+ * @param resource $result
+ * @param resource $connection
+ * @return mixed MDB2 Error Object or the number of rows affected
+ * @access private
+ */
+ function _affectedRows($connection, $result = null)
+ {
+ if (is_null($connection)) {
+ $connection = $this->getConnection();
+ if (PEAR::isError($connection)) {
+ return $connection;
+ }
+ }
+ return @mssql_rows_affected($connection);
+ }
+
+ // }}}
+ // {{{ _modifyQuery()
+
+ /**
+ * Changes a query string for various DBMS specific reasons
+ *
+ * @param string $query query to modify
+ * @param boolean $is_manip if it is a DML query
+ * @param integer $limit limit the number of rows
+ * @param integer $offset start reading from given offset
+ * @return string modified query
+ * @access protected
+ */
+ function _modifyQuery($query, $is_manip, $limit, $offset)
+ {
+ if ($limit > 0) {
+ $fetch = $offset + $limit;
+ if (!$is_manip) {
+ return preg_replace('/^([\s(])*SELECT( DISTINCT)?(?!\s*TOP\s*\()/i',
+ "\\1SELECT\\2 TOP $fetch", $query);
+ }
+ }
+ return $query;
+ }
+
+ // }}}
+ // {{{ getServerVersion()
+
+ /**
+ * return version information about the server
+ *
+ * @param bool $native determines if the raw version string should be returned
+ * @return mixed array/string with version information or MDB2 error object
+ * @access public
+ */
+ function getServerVersion($native = false)
+ {
+ if ($this->connected_server_info) {
+ $server_info = $this->connected_server_info;
+ } else {
+ $query = 'SELECT @@VERSION';
+ $server_info = $this->queryOne($query, 'text');
+ if (PEAR::isError($server_info)) {
+ return $server_info;
+ }
+ }
+ // cache server_info
+ $this->connected_server_info = $server_info;
+ if (!$native && !PEAR::isError($server_info)) {
+ if (preg_match('/([0-9]+)\.([0-9]+)\.([0-9]+)/', $server_info, $tmp)) {
+ $server_info = array(
+ 'major' => $tmp[1],
+ 'minor' => $tmp[2],
+ 'patch' => $tmp[3],
+ 'extra' => null,
+ 'native' => $server_info,
+ );
+ } else {
+ $server_info = array(
+ 'major' => null,
+ 'minor' => null,
+ 'patch' => null,
+ 'extra' => null,
+ 'native' => $server_info,
+ );
+ }
+ }
+ return $server_info;
+ }
+
+ // }}}
+ // {{{ _checkSequence
+
+ /**
+ * Checks if there's a sequence that exists.
+ *
+ * @param string $seq_name The sequence name to verify.
+ * @return bool $tableExists The value if the table exists or not
+ * @access private
+ */
+ function _checkSequence($seq_name)
+ {
+ $query = "SELECT * FROM $seq_name";
+ $tableExists =& $this->_doQuery($query, true);
+ if (PEAR::isError($tableExists)) {
+ if ($tableExists->getCode() == MDB2_ERROR_NOSUCHTABLE) {
+ return false;
+ }
+ //return $tableExists;
+ return false;
+ }
+ return mssql_result($tableExists, 0, 0);
+ }
+
+ // }}}
+ // {{{ nextID()
+
+ /**
+ * Returns the next free id of a sequence
+ *
+ * @param string $seq_name name of the sequence
+ * @param boolean $ondemand when true the sequence is
+ * automatic created, if it
+ * not exists
+ *
+ * @return mixed MDB2 Error Object or id
+ * @access public
+ */
+ function nextID($seq_name, $ondemand = true)
+ {
+ $sequence_name = $this->quoteIdentifier($this->getSequenceName($seq_name), true);
+ $seqcol_name = $this->quoteIdentifier($this->options['seqcol_name'], true);
+ $this->expectError(MDB2_ERROR_NOSUCHTABLE);
+
+ $seq_val = $this->_checkSequence($sequence_name);
+
+ if ($seq_val) {
+ $query = "SET IDENTITY_INSERT $sequence_name OFF ".
+ "INSERT INTO $sequence_name DEFAULT VALUES";
+ } else {
+ $query = "INSERT INTO $sequence_name ($seqcol_name) VALUES (0)";
+ }
+ $result =& $this->_doQuery($query, true);
+ $this->popExpect();
+ if (PEAR::isError($result)) {
+ if ($ondemand && !$this->_checkSequence($sequence_name)) {
+ $this->loadModule('Manager', null, true);
+ $result = $this->manager->createSequence($seq_name);
+ if (PEAR::isError($result)) {
+ return $this->raiseError($result, null, null,
+ 'on demand sequence '.$seq_name.' could not be created', __FUNCTION__);
+ } else {
+ /**
+ * Little off-by-one problem with the sequence emulation
+ * here being fixed, that instead of re-calling nextID
+ * and forcing an increment by one, we simply check if it
+ * exists, then we get the last inserted id if it does.
+ *
+ * In theory, $seq_name should be created otherwise there would
+ * have been an error thrown somewhere up there..
+ *
+ * @todo confirm
+ */
+ if ($this->_checkSequence($seq_name)) {
+ return $this->lastInsertID($seq_name);
+ }
+
+ return $this->nextID($seq_name, false);
+ }
+ }
+ return $result;
+ }
+ $value = $this->lastInsertID($sequence_name);
+ if (is_numeric($value)) {
+ $query = "DELETE FROM $sequence_name WHERE $seqcol_name < $value";
+ $result =& $this->_doQuery($query, true);
+ if (PEAR::isError($result)) {
+ $this->warnings[] = 'nextID: could not delete previous sequence table values from '.$seq_name;
+ }
+ }
+ return $value;
+ }
+
+ // }}}
+ // {{{ lastInsertID()
+
+ /**
+ * Returns the autoincrement ID if supported or $id or fetches the current
+ * ID in a sequence called: $table.(empty($field) ? '' : '_'.$field)
+ *
+ * @param string $table name of the table into which a new row was inserted
+ * @param string $field name of the field into which a new row was inserted
+ * @return mixed MDB2 Error Object or id
+ * @access public
+ */
+ function lastInsertID($table = null, $field = null)
+ {
+ $server_info = $this->getServerVersion();
+ if (is_array($server_info) && !is_null($server_info['major'])
+ && $server_info['major'] >= 8
+ ) {
+ $query = "SELECT SCOPE_IDENTITY()";
+ } else {
+ $query = "SELECT @@IDENTITY";
+ }
+
+ return $this->queryOne($query, 'integer');
+ }
+
+ // }}}
+}
+
+// }}}
+// {{{ Class MDB2_Result_mssql
+
+/**
+ * MDB2 MSSQL Server result driver
+ *
+ * @package MDB2
+ * @category Database
+ * @author Frank M. Kromann <frank@kromann.info>
+ */
+class MDB2_Result_mssql extends MDB2_Result_Common
+{
+ // {{{ _skipLimitOffset()
+
+ /**
+ * Skip the first row of a result set.
+ *
+ * @param resource $result
+ * @return mixed a result handle or MDB2_OK on success, a MDB2 error on failure
+ * @access protected
+ */
+ function _skipLimitOffset()
+ {
+ if ($this->limit) {
+ if ($this->rownum >= $this->limit) {
+ return false;
+ }
+ }
+ if ($this->offset) {
+ while ($this->offset_count < $this->offset) {
+ ++$this->offset_count;
+ if (!is_array(@mssql_fetch_row($this->result))) {
+ $this->offset_count = $this->limit;
+ return false;
+ }
+ }
+ }
+ return MDB2_OK;
+ }
+
+ // }}}
+ // {{{ fetchRow()
+
+ /**
+ * Fetch a row and insert the data into an existing array.
+ *
+ * @param int $fetchmode how the array data should be indexed
+ * @param int $rownum number of the row where the data can be found
+ * @return int data array on success, a MDB2 error on failure
+ * @access public
+ */
+ function &fetchRow($fetchmode = MDB2_FETCHMODE_DEFAULT, $rownum = null)
+ {
+ if (!$this->_skipLimitOffset()) {
+ $null = null;
+ return $null;
+ }
+ if (!is_null($rownum)) {
+ $seek = $this->seek($rownum);
+ if (PEAR::isError($seek)) {
+ return $seek;
+ }
+ }
+ if ($fetchmode == MDB2_FETCHMODE_DEFAULT) {
+ $fetchmode = $this->db->fetchmode;
+ }
+ if ($fetchmode & MDB2_FETCHMODE_ASSOC) {
+ $row = @mssql_fetch_assoc($this->result);
+ if (is_array($row)
+ && $this->db->options['portability'] & MDB2_PORTABILITY_FIX_CASE
+ ) {
+ $row = array_change_key_case($row, $this->db->options['field_case']);
+ }
+ } else {
+ $row = @mssql_fetch_row($this->result);
+ }
+ if (!$row) {
+ if ($this->result === false) {
+ $err =& $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
+ 'resultset has already been freed', __FUNCTION__);
+ return $err;
+ }
+ $null = null;
+ return $null;
+ }
+ $mode = $this->db->options['portability'] & MDB2_PORTABILITY_EMPTY_TO_NULL;
+ $rtrim = false;
+ if ($this->db->options['portability'] & MDB2_PORTABILITY_RTRIM) {
+ if (empty($this->types)) {
+ $mode += MDB2_PORTABILITY_RTRIM;
+ } else {
+ $rtrim = true;
+ }
+ }
+ if ($mode) {
+ $this->db->_fixResultArrayValues($row, $mode);
+ }
+ if (!empty($this->types)) {
+ $row = $this->db->datatype->convertResultRow($this->types, $row, $rtrim);
+ }
+ if (!empty($this->values)) {
+ $this->_assignBindColumns($row);
+ }
+ if ($fetchmode === MDB2_FETCHMODE_OBJECT) {
+ $object_class = $this->db->options['fetch_class'];
+ if ($object_class == 'stdClass') {
+ $row = (object) $row;
+ } else {
+ $row = &new $object_class($row);
+ }
+ }
+ ++$this->rownum;
+ return $row;
+ }
+
+ // }}}
+ // {{{ _getColumnNames()
+
+ /**
+ * Retrieve the names of columns returned by the DBMS in a query result.
+ *
+ * @return mixed Array variable that holds the names of columns as keys
+ * or an MDB2 error on failure.
+ * Some DBMS may not return any columns when the result set
+ * does not contain any rows.
+ * @access private
+ */
+ function _getColumnNames()
+ {
+ $columns = array();
+ $numcols = $this->numCols();
+ if (PEAR::isError($numcols)) {
+ return $numcols;
+ }
+ for ($column = 0; $column < $numcols; $column++) {
+ $column_name = @mssql_field_name($this->result, $column);
+ $columns[$column_name] = $column;
+ }
+ if ($this->db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $columns = array_change_key_case($columns, $this->db->options['field_case']);
+ }
+ return $columns;
+ }
+
+ // }}}
+ // {{{ numCols()
+
+ /**
+ * Count the number of columns returned by the DBMS in a query result.
+ *
+ * @return mixed integer value with the number of columns, a MDB2 error
+ * on failure
+ * @access public
+ */
+ function numCols()
+ {
+ $cols = @mssql_num_fields($this->result);
+ if (is_null($cols)) {
+ if ($this->result === false) {
+ return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
+ 'resultset has already been freed', __FUNCTION__);
+ } elseif (is_null($this->result)) {
+ return count($this->types);
+ }
+ return $this->db->raiseError(null, null, null,
+ 'Could not get column count', __FUNCTION__);
+ }
+ return $cols;
+ }
+
+ // }}}
+ // {{{ nextResult()
+
+ /**
+ * Move the internal result pointer to the next available result
+ *
+ * @return true on success, false if there is no more result set or an error object on failure
+ * @access public
+ */
+ function nextResult()
+ {
+ if ($this->result === false) {
+ return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
+ 'resultset has already been freed', __FUNCTION__);
+ } elseif (is_null($this->result)) {
+ return false;
+ }
+ return @mssql_next_result($this->result);
+ }
+
+ // }}}
+ // {{{ free()
+
+ /**
+ * Free the internal resources associated with $result.
+ *
+ * @return boolean true on success, false if $result is invalid
+ * @access public
+ */
+ function free()
+ {
+ if (is_resource($this->result) && $this->db->connection) {
+ $free = @mssql_free_result($this->result);
+ if ($free === false) {
+ return $this->db->raiseError(null, null, null,
+ 'Could not free result', __FUNCTION__);
+ }
+ }
+ $this->result = false;
+ return MDB2_OK;
+ }
+
+ // }}}
+}
+
+// }}}
+// {{{ class MDB2_BufferedResult_mssql
+
+/**
+ * MDB2 MSSQL Server buffered result driver
+ *
+ * @package MDB2
+ * @category Database
+ * @author Frank M. Kromann <frank@kromann.info>
+ */
+class MDB2_BufferedResult_mssql extends MDB2_Result_mssql
+{
+ // {{{ seek()
+
+ /**
+ * Seek to a specific row in a result set
+ *
+ * @param int $rownum number of the row where the data can be found
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function seek($rownum = 0)
+ {
+ if ($this->rownum != ($rownum - 1) && !@mssql_data_seek($this->result, $rownum)) {
+ if ($this->result === false) {
+ return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
+ 'resultset has already been freed', __FUNCTION__);
+ } elseif (is_null($this->result)) {
+ return MDB2_OK;
+ }
+ return $this->db->raiseError(MDB2_ERROR_INVALID, null, null,
+ 'tried to seek to an invalid row number ('.$rownum.')', __FUNCTION__);
+ }
+ $this->rownum = $rownum - 1;
+ return MDB2_OK;
+ }
+
+ // }}}
+ // {{{ valid()
+
+ /**
+ * Check if the end of the result set has been reached
+ *
+ * @return mixed true or false on sucess, a MDB2 error on failure
+ * @access public
+ */
+ function valid()
+ {
+ $numrows = $this->numRows();
+ if (PEAR::isError($numrows)) {
+ return $numrows;
+ }
+ return $this->rownum < ($numrows - 1);
+ }
+
+ // }}}
+ // {{{ numRows()
+
+ /**
+ * Returns the number of rows in a result object
+ *
+ * @return mixed MDB2 Error Object or the number of rows
+ * @access public
+ */
+ function numRows()
+ {
+ $rows = @mssql_num_rows($this->result);
+ if (is_null($rows)) {
+ if ($this->result === false) {
+ return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
+ 'resultset has already been freed', __FUNCTION__);
+ } elseif (is_null($this->result)) {
+ return 0;
+ }
+ return $this->db->raiseError(null, null, null,
+ 'Could not get row count', __FUNCTION__);
+ }
+ if ($this->limit) {
+ $rows -= $this->limit -1 + $this->offset;
+ if ($rows < 0) {
+ $rows = 0;
+ }
+ }
+ return $rows;
+ }
+}
+
+// }}}
+// {{{ MDB2_Statement_mssql
+
+/**
+ * MDB2 MSSQL Server statement driver
+ *
+ * @package MDB2
+ * @category Database
+ * @author Frank M. Kromann <frank@kromann.info>
+ */
+class MDB2_Statement_mssql extends MDB2_Statement_Common
+{
+
+}
+
+// }}}
+?>
\ No newline at end of file diff --git a/program/lib/MDB2/Driver/mysql.php b/program/lib/MDB2/Driver/mysql.php new file mode 100644 index 000000000..1e0453936 --- /dev/null +++ b/program/lib/MDB2/Driver/mysql.php @@ -0,0 +1,1535 @@ +<?php
+// vim: set et ts=4 sw=4 fdm=marker:
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2006 Manuel Lemos, Tomas V.V.Cox, |
+// | Stig. S. Bakken, Lukas Smith |
+// | All rights reserved. |
+// +----------------------------------------------------------------------+
+// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB |
+// | API as well as database abstraction for PHP applications. |
+// | This LICENSE is in the BSD license style. |
+// | |
+// | Redistribution and use in source and binary forms, with or without |
+// | modification, are permitted provided that the following conditions |
+// | are met: |
+// | |
+// | Redistributions of source code must retain the above copyright |
+// | notice, this list of conditions and the following disclaimer. |
+// | |
+// | Redistributions in binary form must reproduce the above copyright |
+// | notice, this list of conditions and the following disclaimer in the |
+// | documentation and/or other materials provided with the distribution. |
+// | |
+// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, |
+// | Lukas Smith nor the names of his contributors may be used to endorse |
+// | or promote products derived from this software without specific prior|
+// | written permission. |
+// | |
+// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
+// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
+// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
+// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
+// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
+// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
+// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
+// | OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
+// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
+// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
+// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
+// | POSSIBILITY OF SUCH DAMAGE. |
+// +----------------------------------------------------------------------+
+// | Author: Lukas Smith <smith@pooteeweet.org> |
+// +----------------------------------------------------------------------+
+//
+// $Id: mysql.php,v 1.195 2007/11/10 13:27:03 quipo Exp $
+//
+
+/**
+ * MDB2 MySQL driver
+ *
+ * @package MDB2
+ * @category Database
+ * @author Lukas Smith <smith@pooteeweet.org>
+ */
+class MDB2_Driver_mysql extends MDB2_Driver_Common
+{
+ // {{{ properties
+
+ var $string_quoting = array('start' => "'", 'end' => "'", 'escape' => '\\', 'escape_pattern' => '\\');
+
+ var $identifier_quoting = array('start' => '`', 'end' => '`', 'escape' => '`');
+
+ var $sql_comments = array(
+ array('start' => '-- ', 'end' => "\n", 'escape' => false),
+ array('start' => '#', 'end' => "\n", 'escape' => false),
+ array('start' => '/*', 'end' => '*/', 'escape' => false),
+ );
+
+ var $server_capabilities_checked = false;
+
+ var $start_transaction = false;
+
+ var $varchar_max_length = 255;
+
+ // }}}
+ // {{{ constructor
+
+ /**
+ * Constructor
+ */
+ function __construct()
+ {
+ parent::__construct();
+
+ $this->phptype = 'mysql';
+ $this->dbsyntax = 'mysql';
+
+ $this->supported['sequences'] = 'emulated';
+ $this->supported['indexes'] = true;
+ $this->supported['affected_rows'] = true;
+ $this->supported['transactions'] = false;
+ $this->supported['savepoints'] = false;
+ $this->supported['summary_functions'] = true;
+ $this->supported['order_by_text'] = true;
+ $this->supported['current_id'] = 'emulated';
+ $this->supported['limit_queries'] = true;
+ $this->supported['LOBs'] = true;
+ $this->supported['replace'] = true;
+ $this->supported['sub_selects'] = 'emulated';
+ $this->supported['auto_increment'] = true;
+ $this->supported['primary_key'] = true;
+ $this->supported['result_introspection'] = true;
+ $this->supported['prepared_statements'] = 'emulated';
+ $this->supported['identifier_quoting'] = true;
+ $this->supported['pattern_escaping'] = true;
+ $this->supported['new_link'] = true;
+
+ $this->options['default_table_type'] = '';
+ }
+
+ // }}}
+ // {{{ errorInfo()
+
+ /**
+ * This method is used to collect information about an error
+ *
+ * @param integer $error
+ * @return array
+ * @access public
+ */
+ function errorInfo($error = null)
+ {
+ if ($this->connection) {
+ $native_code = @mysql_errno($this->connection);
+ $native_msg = @mysql_error($this->connection);
+ } else {
+ $native_code = @mysql_errno();
+ $native_msg = @mysql_error();
+ }
+ if (is_null($error)) {
+ static $ecode_map;
+ if (empty($ecode_map)) {
+ $ecode_map = array(
+ 1000 => MDB2_ERROR_INVALID, //hashchk
+ 1001 => MDB2_ERROR_INVALID, //isamchk
+ 1004 => MDB2_ERROR_CANNOT_CREATE,
+ 1005 => MDB2_ERROR_CANNOT_CREATE,
+ 1006 => MDB2_ERROR_CANNOT_CREATE,
+ 1007 => MDB2_ERROR_ALREADY_EXISTS,
+ 1008 => MDB2_ERROR_CANNOT_DROP,
+ 1009 => MDB2_ERROR_CANNOT_DROP,
+ 1010 => MDB2_ERROR_CANNOT_DROP,
+ 1011 => MDB2_ERROR_CANNOT_DELETE,
+ 1022 => MDB2_ERROR_ALREADY_EXISTS,
+ 1029 => MDB2_ERROR_NOT_FOUND,
+ 1032 => MDB2_ERROR_NOT_FOUND,
+ 1044 => MDB2_ERROR_ACCESS_VIOLATION,
+ 1045 => MDB2_ERROR_ACCESS_VIOLATION,
+ 1046 => MDB2_ERROR_NODBSELECTED,
+ 1048 => MDB2_ERROR_CONSTRAINT,
+ 1049 => MDB2_ERROR_NOSUCHDB,
+ 1050 => MDB2_ERROR_ALREADY_EXISTS,
+ 1051 => MDB2_ERROR_NOSUCHTABLE,
+ 1054 => MDB2_ERROR_NOSUCHFIELD,
+ 1060 => MDB2_ERROR_ALREADY_EXISTS,
+ 1061 => MDB2_ERROR_ALREADY_EXISTS,
+ 1062 => MDB2_ERROR_ALREADY_EXISTS,
+ 1064 => MDB2_ERROR_SYNTAX,
+ 1067 => MDB2_ERROR_INVALID,
+ 1072 => MDB2_ERROR_NOT_FOUND,
+ 1086 => MDB2_ERROR_ALREADY_EXISTS,
+ 1091 => MDB2_ERROR_NOT_FOUND,
+ 1100 => MDB2_ERROR_NOT_LOCKED,
+ 1109 => MDB2_ERROR_NOT_FOUND,
+ 1125 => MDB2_ERROR_ALREADY_EXISTS,
+ 1136 => MDB2_ERROR_VALUE_COUNT_ON_ROW,
+ 1138 => MDB2_ERROR_INVALID,
+ 1142 => MDB2_ERROR_ACCESS_VIOLATION,
+ 1143 => MDB2_ERROR_ACCESS_VIOLATION,
+ 1146 => MDB2_ERROR_NOSUCHTABLE,
+ 1149 => MDB2_ERROR_SYNTAX,
+ 1169 => MDB2_ERROR_CONSTRAINT,
+ 1176 => MDB2_ERROR_NOT_FOUND,
+ 1177 => MDB2_ERROR_NOSUCHTABLE,
+ 1213 => MDB2_ERROR_DEADLOCK,
+ 1216 => MDB2_ERROR_CONSTRAINT,
+ 1217 => MDB2_ERROR_CONSTRAINT,
+ 1227 => MDB2_ERROR_ACCESS_VIOLATION,
+ 1299 => MDB2_ERROR_INVALID_DATE,
+ 1300 => MDB2_ERROR_INVALID,
+ 1304 => MDB2_ERROR_ALREADY_EXISTS,
+ 1305 => MDB2_ERROR_NOT_FOUND,
+ 1306 => MDB2_ERROR_CANNOT_DROP,
+ 1307 => MDB2_ERROR_CANNOT_CREATE,
+ 1334 => MDB2_ERROR_CANNOT_ALTER,
+ 1339 => MDB2_ERROR_NOT_FOUND,
+ 1356 => MDB2_ERROR_INVALID,
+ 1359 => MDB2_ERROR_ALREADY_EXISTS,
+ 1360 => MDB2_ERROR_NOT_FOUND,
+ 1363 => MDB2_ERROR_NOT_FOUND,
+ 1365 => MDB2_ERROR_DIVZERO,
+ 1451 => MDB2_ERROR_CONSTRAINT,
+ 1452 => MDB2_ERROR_CONSTRAINT,
+ 1542 => MDB2_ERROR_CANNOT_DROP,
+ 1546 => MDB2_ERROR_CONSTRAINT,
+ 1582 => MDB2_ERROR_CONSTRAINT,
+ );
+ }
+ if ($this->options['portability'] & MDB2_PORTABILITY_ERRORS) {
+ $ecode_map[1022] = MDB2_ERROR_CONSTRAINT;
+ $ecode_map[1048] = MDB2_ERROR_CONSTRAINT_NOT_NULL;
+ $ecode_map[1062] = MDB2_ERROR_CONSTRAINT;
+ } else {
+ // Doing this in case mode changes during runtime.
+ $ecode_map[1022] = MDB2_ERROR_ALREADY_EXISTS;
+ $ecode_map[1048] = MDB2_ERROR_CONSTRAINT;
+ $ecode_map[1062] = MDB2_ERROR_ALREADY_EXISTS;
+ }
+ if (isset($ecode_map[$native_code])) {
+ $error = $ecode_map[$native_code];
+ }
+ }
+ return array($error, $native_code, $native_msg);
+ }
+
+ // }}}
+ // {{{ escape()
+
+ /**
+ * Quotes a string so it can be safely used in a query. It will quote
+ * the text so it can safely be used within a query.
+ *
+ * @param string the input string to quote
+ * @param bool escape wildcards
+ *
+ * @return string quoted string
+ *
+ * @access public
+ */
+ function escape($text, $escape_wildcards = false)
+ {
+ if ($escape_wildcards) {
+ $text = $this->escapePattern($text);
+ }
+ $connection = $this->getConnection();
+ if (PEAR::isError($connection)) {
+ return $connection;
+ }
+ $text = @mysql_real_escape_string($text, $connection);
+ return $text;
+ }
+
+ // }}}
+ // {{{ beginTransaction()
+
+ /**
+ * Start a transaction or set a savepoint.
+ *
+ * @param string name of a savepoint to set
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ *
+ * @access public
+ */
+ function beginTransaction($savepoint = null)
+ {
+ $this->debug('Starting transaction/savepoint', __FUNCTION__, array('is_manip' => true, 'savepoint' => $savepoint));
+ $this->_getServerCapabilities();
+ if (!is_null($savepoint)) {
+ if (!$this->supports('savepoints')) {
+ return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'savepoints are not supported', __FUNCTION__);
+ }
+ if (!$this->in_transaction) {
+ return $this->raiseError(MDB2_ERROR_INVALID, null, null,
+ 'savepoint cannot be released when changes are auto committed', __FUNCTION__);
+ }
+ $query = 'SAVEPOINT '.$savepoint;
+ return $this->_doQuery($query, true);
+ } elseif ($this->in_transaction) {
+ return MDB2_OK; //nothing to do
+ }
+ if (!$this->destructor_registered && $this->opened_persistent) {
+ $this->destructor_registered = true;
+ register_shutdown_function('MDB2_closeOpenTransactions');
+ }
+ $query = $this->start_transaction ? 'START TRANSACTION' : 'SET AUTOCOMMIT = 1';
+ $result =& $this->_doQuery($query, true);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ $this->in_transaction = true;
+ return MDB2_OK;
+ }
+
+ // }}}
+ // {{{ commit()
+
+ /**
+ * Commit the database changes done during a transaction that is in
+ * progress or release a savepoint. This function may only be called when
+ * auto-committing is disabled, otherwise it will fail. Therefore, a new
+ * transaction is implicitly started after committing the pending changes.
+ *
+ * @param string name of a savepoint to release
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ *
+ * @access public
+ */
+ function commit($savepoint = null)
+ {
+ $this->debug('Committing transaction/savepoint', __FUNCTION__, array('is_manip' => true, 'savepoint' => $savepoint));
+ if (!$this->in_transaction) {
+ return $this->raiseError(MDB2_ERROR_INVALID, null, null,
+ 'commit/release savepoint cannot be done changes are auto committed', __FUNCTION__);
+ }
+ if (!is_null($savepoint)) {
+ if (!$this->supports('savepoints')) {
+ return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'savepoints are not supported', __FUNCTION__);
+ }
+ $server_info = $this->getServerVersion();
+ if (version_compare($server_info['major'].'.'.$server_info['minor'].'.'.$server_info['patch'], '5.0.3', '<')) {
+ return MDB2_OK;
+ }
+ $query = 'RELEASE SAVEPOINT '.$savepoint;
+ return $this->_doQuery($query, true);
+ }
+
+ if (!$this->supports('transactions')) {
+ return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'transactions are not supported', __FUNCTION__);
+ }
+
+ $result =& $this->_doQuery('COMMIT', true);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ if (!$this->start_transaction) {
+ $query = 'SET AUTOCOMMIT = 0';
+ $result =& $this->_doQuery($query, true);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ }
+ $this->in_transaction = false;
+ return MDB2_OK;
+ }
+
+ // }}}
+ // {{{ rollback()
+
+ /**
+ * Cancel any database changes done during a transaction or since a specific
+ * savepoint that is in progress. This function may only be called when
+ * auto-committing is disabled, otherwise it will fail. Therefore, a new
+ * transaction is implicitly started after canceling the pending changes.
+ *
+ * @param string name of a savepoint to rollback to
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ *
+ * @access public
+ */
+ function rollback($savepoint = null)
+ {
+ $this->debug('Rolling back transaction/savepoint', __FUNCTION__, array('is_manip' => true, 'savepoint' => $savepoint));
+ if (!$this->in_transaction) {
+ return $this->raiseError(MDB2_ERROR_INVALID, null, null,
+ 'rollback cannot be done changes are auto committed', __FUNCTION__);
+ }
+ if (!is_null($savepoint)) {
+ if (!$this->supports('savepoints')) {
+ return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'savepoints are not supported', __FUNCTION__);
+ }
+ $query = 'ROLLBACK TO SAVEPOINT '.$savepoint;
+ return $this->_doQuery($query, true);
+ }
+
+ $query = 'ROLLBACK';
+ $result =& $this->_doQuery($query, true);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ if (!$this->start_transaction) {
+ $query = 'SET AUTOCOMMIT = 0';
+ $result =& $this->_doQuery($query, true);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ }
+ $this->in_transaction = false;
+ return MDB2_OK;
+ }
+
+ // }}}
+ // {{{ function setTransactionIsolation()
+
+ /**
+ * Set the transacton isolation level.
+ *
+ * @param string standard isolation level
+ * READ UNCOMMITTED (allows dirty reads)
+ * READ COMMITTED (prevents dirty reads)
+ * REPEATABLE READ (prevents nonrepeatable reads)
+ * SERIALIZABLE (prevents phantom reads)
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ *
+ * @access public
+ * @since 2.1.1
+ */
+ function setTransactionIsolation($isolation)
+ {
+ $this->debug('Setting transaction isolation level', __FUNCTION__, array('is_manip' => true));
+ if (!$this->supports('transactions')) {
+ return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'transactions are not supported', __FUNCTION__);
+ }
+ switch ($isolation) {
+ case 'READ UNCOMMITTED':
+ case 'READ COMMITTED':
+ case 'REPEATABLE READ':
+ case 'SERIALIZABLE':
+ break;
+ default:
+ return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'isolation level is not supported: '.$isolation, __FUNCTION__);
+ }
+
+ $query = "SET SESSION TRANSACTION ISOLATION LEVEL $isolation";
+ return $this->_doQuery($query, true);
+ }
+
+ // }}}
+ // {{{ connect()
+
+ /**
+ * Connect to the database
+ *
+ * @return true on success, MDB2 Error Object on failure
+ */
+ function connect()
+ {
+ if (is_resource($this->connection)) {
+ //if (count(array_diff($this->connected_dsn, $this->dsn)) == 0
+ if (MDB2::areEquals($this->connected_dsn, $this->dsn)
+ && $this->opened_persistent == $this->options['persistent']
+ && $this->connected_database_name == $this->database_name
+ ) {
+ return MDB2_OK;
+ }
+ $this->disconnect(false);
+ }
+
+ if (!PEAR::loadExtension($this->phptype)) {
+ return $this->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+ 'extension '.$this->phptype.' is not compiled into PHP', __FUNCTION__);
+ }
+
+ $params = array();
+ if ($this->dsn['protocol'] && $this->dsn['protocol'] == 'unix') {
+ $params[0] = ':' . $this->dsn['socket'];
+ } else {
+ $params[0] = $this->dsn['hostspec'] ? $this->dsn['hostspec']
+ : 'localhost';
+ if ($this->dsn['port']) {
+ $params[0].= ':' . $this->dsn['port'];
+ }
+ }
+ $params[] = $this->dsn['username'] ? $this->dsn['username'] : null;
+ $params[] = $this->dsn['password'] ? $this->dsn['password'] : null;
+ if (!$this->options['persistent']) {
+ if (isset($this->dsn['new_link'])
+ && ($this->dsn['new_link'] == 'true' || $this->dsn['new_link'] === true)
+ ) {
+ $params[] = true;
+ } else {
+ $params[] = false;
+ }
+ }
+ if (version_compare(phpversion(), '4.3.0', '>=')) {
+ $params[] = isset($this->dsn['client_flags'])
+ ? $this->dsn['client_flags'] : null;
+ }
+ $connect_function = $this->options['persistent'] ? 'mysql_pconnect' : 'mysql_connect';
+
+ $connection = @call_user_func_array($connect_function, $params);
+ if (!$connection) {
+ if (($err = @mysql_error()) != '') {
+ return $this->raiseError(MDB2_ERROR_CONNECT_FAILED, null, null,
+ $err, __FUNCTION__);
+ } else {
+ return $this->raiseError(MDB2_ERROR_CONNECT_FAILED, null, null,
+ 'unable to establish a connection', __FUNCTION__);
+ }
+ }
+
+ if (!empty($this->dsn['charset'])) {
+ $result = $this->setCharset($this->dsn['charset'], $connection);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ }
+
+ $this->connection = $connection;
+ $this->connected_dsn = $this->dsn;
+ $this->connected_database_name = '';
+ $this->opened_persistent = $this->options['persistent'];
+ $this->dbsyntax = $this->dsn['dbsyntax'] ? $this->dsn['dbsyntax'] : $this->phptype;
+
+ if ($this->database_name) {
+ if ($this->database_name != $this->connected_database_name) {
+ if (!@mysql_select_db($this->database_name, $connection)) {
+ $err = $this->raiseError(null, null, null,
+ 'Could not select the database: '.$this->database_name, __FUNCTION__);
+ return $err;
+ }
+ $this->connected_database_name = $this->database_name;
+ }
+ }
+
+ $this->supported['transactions'] = $this->options['use_transactions'];
+ if ($this->options['default_table_type']) {
+ switch (strtoupper($this->options['default_table_type'])) {
+ case 'BLACKHOLE':
+ case 'MEMORY':
+ case 'ARCHIVE':
+ case 'CSV':
+ case 'HEAP':
+ case 'ISAM':
+ case 'MERGE':
+ case 'MRG_ISAM':
+ case 'ISAM':
+ case 'MRG_MYISAM':
+ case 'MYISAM':
+ $this->supported['transactions'] = false;
+ $this->warnings[] = $this->options['default_table_type'] .
+ ' is not a supported default table type';
+ break;
+ }
+ }
+
+ $this->_getServerCapabilities();
+
+ return MDB2_OK;
+ }
+
+ // }}}
+ // {{{ setCharset()
+
+ /**
+ * Set the charset on the current connection
+ *
+ * @param string charset
+ * @param resource connection handle
+ *
+ * @return true on success, MDB2 Error Object on failure
+ */
+ function setCharset($charset, $connection = null)
+ {
+ if (is_null($connection)) {
+ $connection = $this->getConnection();
+ if (PEAR::isError($connection)) {
+ return $connection;
+ }
+ }
+ $query = "SET NAMES '".mysql_real_escape_string($charset, $connection)."'";
+ return $this->_doQuery($query, true, $connection);
+ }
+
+ // }}}
+ // {{{ disconnect()
+
+ /**
+ * Log out and disconnect from the database.
+ *
+ * @param boolean $force if the disconnect should be forced even if the
+ * connection is opened persistently
+ * @return mixed true on success, false if not connected and error
+ * object on error
+ * @access public
+ */
+ function disconnect($force = true)
+ {
+ if (is_resource($this->connection)) {
+ if ($this->in_transaction) {
+ $dsn = $this->dsn;
+ $database_name = $this->database_name;
+ $persistent = $this->options['persistent'];
+ $this->dsn = $this->connected_dsn;
+ $this->database_name = $this->connected_database_name;
+ $this->options['persistent'] = $this->opened_persistent;
+ $this->rollback();
+ $this->dsn = $dsn;
+ $this->database_name = $database_name;
+ $this->options['persistent'] = $persistent;
+ }
+
+ if (!$this->opened_persistent || $force) {
+ @mysql_close($this->connection);
+ }
+ }
+ return parent::disconnect($force);
+ }
+
+ // }}}
+ // {{{ _doQuery()
+
+ /**
+ * Execute a query
+ * @param string $query query
+ * @param boolean $is_manip if the query is a manipulation query
+ * @param resource $connection
+ * @param string $database_name
+ * @return result or error object
+ * @access protected
+ */
+ function &_doQuery($query, $is_manip = false, $connection = null, $database_name = null)
+ {
+ $this->last_query = $query;
+ $result = $this->debug($query, 'query', array('is_manip' => $is_manip, 'when' => 'pre'));
+ if ($result) {
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ $query = $result;
+ }
+ if ($this->options['disable_query']) {
+ $result = $is_manip ? 0 : null;
+ return $result;
+ }
+
+ if (is_null($connection)) {
+ $connection = $this->getConnection();
+ if (PEAR::isError($connection)) {
+ return $connection;
+ }
+ }
+ if (is_null($database_name)) {
+ $database_name = $this->database_name;
+ }
+
+ if ($database_name) {
+ if ($database_name != $this->connected_database_name) {
+ if (!@mysql_select_db($database_name, $connection)) {
+ $err = $this->raiseError(null, null, null,
+ 'Could not select the database: '.$database_name, __FUNCTION__);
+ return $err;
+ }
+ $this->connected_database_name = $database_name;
+ }
+ }
+
+ $function = $this->options['result_buffering']
+ ? 'mysql_query' : 'mysql_unbuffered_query';
+ $result = @$function($query, $connection);
+ if (!$result) {
+ $err =& $this->raiseError(null, null, null,
+ 'Could not execute statement', __FUNCTION__);
+ return $err;
+ }
+
+ $this->debug($query, 'query', array('is_manip' => $is_manip, 'when' => 'post', 'result' => $result));
+ return $result;
+ }
+
+ // }}}
+ // {{{ _affectedRows()
+
+ /**
+ * Returns the number of rows affected
+ *
+ * @param resource $result
+ * @param resource $connection
+ * @return mixed MDB2 Error Object or the number of rows affected
+ * @access private
+ */
+ function _affectedRows($connection, $result = null)
+ {
+ if (is_null($connection)) {
+ $connection = $this->getConnection();
+ if (PEAR::isError($connection)) {
+ return $connection;
+ }
+ }
+ return @mysql_affected_rows($connection);
+ }
+
+ // }}}
+ // {{{ _modifyQuery()
+
+ /**
+ * Changes a query string for various DBMS specific reasons
+ *
+ * @param string $query query to modify
+ * @param boolean $is_manip if it is a DML query
+ * @param integer $limit limit the number of rows
+ * @param integer $offset start reading from given offset
+ * @return string modified query
+ * @access protected
+ */
+ function _modifyQuery($query, $is_manip, $limit, $offset)
+ {
+ if ($this->options['portability'] & MDB2_PORTABILITY_DELETE_COUNT) {
+ // "DELETE FROM table" gives 0 affected rows in MySQL.
+ // This little hack lets you know how many rows were deleted.
+ if (preg_match('/^\s*DELETE\s+FROM\s+(\S+)\s*$/i', $query)) {
+ $query = preg_replace('/^\s*DELETE\s+FROM\s+(\S+)\s*$/',
+ 'DELETE FROM \1 WHERE 1=1', $query);
+ }
+ }
+ if ($limit > 0
+ && !preg_match('/LIMIT\s*\d(?:\s*(?:,|OFFSET)\s*\d+)?(?:[^\)]*)?$/i', $query)
+ ) {
+ $query = rtrim($query);
+ if (substr($query, -1) == ';') {
+ $query = substr($query, 0, -1);
+ }
+
+ // LIMIT doesn't always come last in the query
+ // @see http://dev.mysql.com/doc/refman/5.0/en/select.html
+ $after = '';
+ if (preg_match('/(\s+INTO\s+(?:OUT|DUMP)FILE\s.*)$/ims', $query, $matches)) {
+ $after = $matches[0];
+ $query = preg_replace('/(\s+INTO\s+(?:OUT|DUMP)FILE\s.*)$/ims', '', $query);
+ } elseif (preg_match('/(\s+FOR\s+UPDATE\s*)$/i', $query, $matches)) {
+ $after = $matches[0];
+ $query = preg_replace('/(\s+FOR\s+UPDATE\s*)$/im', '', $query);
+ } elseif (preg_match('/(\s+LOCK\s+IN\s+SHARE\s+MODE\s*)$/im', $query, $matches)) {
+ $after = $matches[0];
+ $query = preg_replace('/(\s+LOCK\s+IN\s+SHARE\s+MODE\s*)$/im', '', $query);
+ }
+
+ if ($is_manip) {
+ return $query . " LIMIT $limit" . $after;
+ } else {
+ return $query . " LIMIT $offset, $limit" . $after;
+ }
+ }
+ return $query;
+ }
+
+ // }}}
+ // {{{ getServerVersion()
+
+ /**
+ * return version information about the server
+ *
+ * @param bool $native determines if the raw version string should be returned
+ * @return mixed array/string with version information or MDB2 error object
+ * @access public
+ */
+ function getServerVersion($native = false)
+ {
+ $connection = $this->getConnection();
+ if (PEAR::isError($connection)) {
+ return $connection;
+ }
+ if ($this->connected_server_info) {
+ $server_info = $this->connected_server_info;
+ } else {
+ $server_info = @mysql_get_server_info($connection);
+ }
+ if (!$server_info) {
+ return $this->raiseError(null, null, null,
+ 'Could not get server information', __FUNCTION__);
+ }
+ // cache server_info
+ $this->connected_server_info = $server_info;
+ if (!$native) {
+ $tmp = explode('.', $server_info, 3);
+ if (isset($tmp[2]) && strpos($tmp[2], '-')) {
+ $tmp2 = explode('-', @$tmp[2], 2);
+ } else {
+ $tmp2[0] = isset($tmp[2]) ? $tmp[2] : null;
+ $tmp2[1] = null;
+ }
+ $server_info = array(
+ 'major' => isset($tmp[0]) ? $tmp[0] : null,
+ 'minor' => isset($tmp[1]) ? $tmp[1] : null,
+ 'patch' => $tmp2[0],
+ 'extra' => $tmp2[1],
+ 'native' => $server_info,
+ );
+ }
+ return $server_info;
+ }
+
+ // }}}
+ // {{{ _getServerCapabilities()
+
+ /**
+ * Fetch some information about the server capabilities
+ * (transactions, subselects, prepared statements, etc).
+ *
+ * @access private
+ */
+ function _getServerCapabilities()
+ {
+ if (!$this->server_capabilities_checked) {
+ $this->server_capabilities_checked = true;
+
+ //set defaults
+ $this->supported['sub_selects'] = 'emulated';
+ $this->supported['prepared_statements'] = 'emulated';
+ $this->start_transaction = false;
+ $this->varchar_max_length = 255;
+
+ $server_info = $this->getServerVersion();
+ if (is_array($server_info)) {
+ if (!version_compare($server_info['major'].'.'.$server_info['minor'].'.'.$server_info['patch'], '4.1.0', '<')) {
+ $this->supported['sub_selects'] = true;
+ $this->supported['prepared_statements'] = true;
+ }
+
+ if (!version_compare($server_info['major'].'.'.$server_info['minor'].'.'.$server_info['patch'], '4.0.14', '<')
+ || !version_compare($server_info['major'].'.'.$server_info['minor'].'.'.$server_info['patch'], '4.1.1', '<')
+ ) {
+ $this->supported['savepoints'] = true;
+ }
+
+ if (!version_compare($server_info['major'].'.'.$server_info['minor'].'.'.$server_info['patch'], '4.0.11', '<')) {
+ $this->start_transaction = true;
+ }
+
+ if (!version_compare($server_info['major'].'.'.$server_info['minor'].'.'.$server_info['patch'], '5.0.3', '<')) {
+ $this->varchar_max_length = 65532;
+ }
+ }
+ }
+ }
+
+ // }}}
+ // {{{ function _skipUserDefinedVariable($query, $position)
+
+ /**
+ * Utility method, used by prepare() to avoid misinterpreting MySQL user
+ * defined variables (SELECT @x:=5) for placeholders.
+ * Check if the placeholder is a false positive, i.e. if it is an user defined
+ * variable instead. If so, skip it and advance the position, otherwise
+ * return the current position, which is valid
+ *
+ * @param string $query
+ * @param integer $position current string cursor position
+ * @return integer $new_position
+ * @access protected
+ */
+ function _skipUserDefinedVariable($query, $position)
+ {
+ $found = strpos(strrev(substr($query, 0, $position)), '@');
+ if ($found === false) {
+ return $position;
+ }
+ $pos = strlen($query) - strlen(substr($query, $position)) - $found - 1;
+ $substring = substr($query, $pos, $position - $pos + 2);
+ if (preg_match('/^@\w+\s*:=$/', $substring)) {
+ return $position + 1; //found an user defined variable: skip it
+ }
+ return $position;
+ }
+
+ // }}}
+ // {{{ prepare()
+
+ /**
+ * Prepares a query for multiple execution with execute().
+ * With some database backends, this is emulated.
+ * prepare() requires a generic query as string like
+ * 'INSERT INTO numbers VALUES(?,?)' or
+ * 'INSERT INTO numbers VALUES(:foo,:bar)'.
+ * The ? and :name and are placeholders which can be set using
+ * bindParam() and the query can be sent off using the execute() method.
+ * The allowed format for :name can be set with the 'bindname_format' option.
+ *
+ * @param string $query the query to prepare
+ * @param mixed $types array that contains the types of the placeholders
+ * @param mixed $result_types array that contains the types of the columns in
+ * the result set or MDB2_PREPARE_RESULT, if set to
+ * MDB2_PREPARE_MANIP the query is handled as a manipulation query
+ * @param mixed $lobs key (field) value (parameter) pair for all lob placeholders
+ * @return mixed resource handle for the prepared query on success, a MDB2
+ * error on failure
+ * @access public
+ * @see bindParam, execute
+ */
+ function &prepare($query, $types = null, $result_types = null, $lobs = array())
+ {
+ if ($this->options['emulate_prepared']
+ || $this->supported['prepared_statements'] !== true
+ ) {
+ $obj =& parent::prepare($query, $types, $result_types, $lobs);
+ return $obj;
+ }
+ $is_manip = ($result_types === MDB2_PREPARE_MANIP);
+ $offset = $this->offset;
+ $limit = $this->limit;
+ $this->offset = $this->limit = 0;
+ $query = $this->_modifyQuery($query, $is_manip, $limit, $offset);
+ $result = $this->debug($query, __FUNCTION__, array('is_manip' => $is_manip, 'when' => 'pre'));
+ if ($result) {
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ $query = $result;
+ }
+ $placeholder_type_guess = $placeholder_type = null;
+ $question = '?';
+ $colon = ':';
+ $positions = array();
+ $position = 0;
+ while ($position < strlen($query)) {
+ $q_position = strpos($query, $question, $position);
+ $c_position = strpos($query, $colon, $position);
+ if ($q_position && $c_position) {
+ $p_position = min($q_position, $c_position);
+ } elseif ($q_position) {
+ $p_position = $q_position;
+ } elseif ($c_position) {
+ $p_position = $c_position;
+ } else {
+ break;
+ }
+ if (is_null($placeholder_type)) {
+ $placeholder_type_guess = $query[$p_position];
+ }
+
+ $new_pos = $this->_skipDelimitedStrings($query, $position, $p_position);
+ if (PEAR::isError($new_pos)) {
+ return $new_pos;
+ }
+ if ($new_pos != $position) {
+ $position = $new_pos;
+ continue; //evaluate again starting from the new position
+ }
+
+ //make sure this is not part of an user defined variable
+ $new_pos = $this->_skipUserDefinedVariable($query, $position);
+ if ($new_pos != $position) {
+ $position = $new_pos;
+ continue; //evaluate again starting from the new position
+ }
+
+ if ($query[$position] == $placeholder_type_guess) {
+ if (is_null($placeholder_type)) {
+ $placeholder_type = $query[$p_position];
+ $question = $colon = $placeholder_type;
+ }
+ if ($placeholder_type == ':') {
+ $regexp = '/^.{'.($position+1).'}('.$this->options['bindname_format'].').*$/s';
+ $parameter = preg_replace($regexp, '\\1', $query);
+ if ($parameter === '') {
+ $err =& $this->raiseError(MDB2_ERROR_SYNTAX, null, null,
+ 'named parameter name must match "bindname_format" option', __FUNCTION__);
+ return $err;
+ }
+ $positions[$p_position] = $parameter;
+ $query = substr_replace($query, '?', $position, strlen($parameter)+1);
+ } else {
+ $positions[$p_position] = count($positions);
+ }
+ $position = $p_position + 1;
+ } else {
+ $position = $p_position;
+ }
+ }
+ $connection = $this->getConnection();
+ if (PEAR::isError($connection)) {
+ return $connection;
+ }
+ static $prep_statement_counter = 1;
+ $statement_name = sprintf($this->options['statement_format'], $this->phptype, sha1(microtime() + mt_rand())) . $prep_statement_counter++;
+ $query = "PREPARE $statement_name FROM ".$this->quote($query, 'text');
+ $statement =& $this->_doQuery($query, true, $connection);
+ if (PEAR::isError($statement)) {
+ return $statement;
+ }
+
+ $class_name = 'MDB2_Statement_'.$this->phptype;
+ $obj = new $class_name($this, $statement_name, $positions, $query, $types, $result_types, $is_manip, $limit, $offset);
+ $this->debug($query, __FUNCTION__, array('is_manip' => $is_manip, 'when' => 'post', 'result' => $obj));
+ return $obj;
+ }
+
+ // }}}
+ // {{{ replace()
+
+ /**
+ * Execute a SQL REPLACE query. A REPLACE query is identical to a INSERT
+ * query, except that if there is already a row in the table with the same
+ * key field values, the REPLACE query just updates its values instead of
+ * inserting a new row.
+ *
+ * The REPLACE type of query does not make part of the SQL standards. Since
+ * practically only MySQL implements it natively, this type of query is
+ * emulated through this method for other DBMS using standard types of
+ * queries inside a transaction to assure the atomicity of the operation.
+ *
+ * @access public
+ *
+ * @param string $table name of the table on which the REPLACE query will
+ * be executed.
+ * @param array $fields associative array that describes the fields and the
+ * values that will be inserted or updated in the specified table. The
+ * indexes of the array are the names of all the fields of the table. The
+ * values of the array are also associative arrays that describe the
+ * values and other properties of the table fields.
+ *
+ * Here follows a list of field properties that need to be specified:
+ *
+ * value:
+ * Value to be assigned to the specified field. This value may be
+ * of specified in database independent type format as this
+ * function can perform the necessary datatype conversions.
+ *
+ * Default:
+ * this property is required unless the Null property
+ * is set to 1.
+ *
+ * type
+ * Name of the type of the field. Currently, all types Metabase
+ * are supported except for clob and blob.
+ *
+ * Default: no type conversion
+ *
+ * null
+ * Boolean property that indicates that the value for this field
+ * should be set to null.
+ *
+ * The default value for fields missing in INSERT queries may be
+ * specified the definition of a table. Often, the default value
+ * is already null, but since the REPLACE may be emulated using
+ * an UPDATE query, make sure that all fields of the table are
+ * listed in this function argument array.
+ *
+ * Default: 0
+ *
+ * key
+ * Boolean property that indicates that this field should be
+ * handled as a primary key or at least as part of the compound
+ * unique index of the table that will determine the row that will
+ * updated if it exists or inserted a new row otherwise.
+ *
+ * This function will fail if no key field is specified or if the
+ * value of a key field is set to null because fields that are
+ * part of unique index they may not be null.
+ *
+ * Default: 0
+ *
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ */
+ function replace($table, $fields)
+ {
+ $count = count($fields);
+ $query = $values = '';
+ $keys = $colnum = 0;
+ for (reset($fields); $colnum < $count; next($fields), $colnum++) {
+ $name = key($fields);
+ if ($colnum > 0) {
+ $query .= ',';
+ $values.= ',';
+ }
+ $query.= $name;
+ if (isset($fields[$name]['null']) && $fields[$name]['null']) {
+ $value = 'NULL';
+ } else {
+ $type = isset($fields[$name]['type']) ? $fields[$name]['type'] : null;
+ $value = $this->quote($fields[$name]['value'], $type);
+ if (PEAR::isError($value)) {
+ return $value;
+ }
+ }
+ $values.= $value;
+ if (isset($fields[$name]['key']) && $fields[$name]['key']) {
+ if ($value === 'NULL') {
+ return $this->raiseError(MDB2_ERROR_CANNOT_REPLACE, null, null,
+ 'key value '.$name.' may not be NULL', __FUNCTION__);
+ }
+ $keys++;
+ }
+ }
+ if ($keys == 0) {
+ return $this->raiseError(MDB2_ERROR_CANNOT_REPLACE, null, null,
+ 'not specified which fields are keys', __FUNCTION__);
+ }
+
+ $connection = $this->getConnection();
+ if (PEAR::isError($connection)) {
+ return $connection;
+ }
+
+ $query = "REPLACE INTO $table ($query) VALUES ($values)";
+ $result =& $this->_doQuery($query, true, $connection);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ return $this->_affectedRows($connection, $result);
+ }
+
+ // }}}
+ // {{{ nextID()
+
+ /**
+ * Returns the next free id of a sequence
+ *
+ * @param string $seq_name name of the sequence
+ * @param boolean $ondemand when true the sequence is
+ * automatic created, if it
+ * not exists
+ *
+ * @return mixed MDB2 Error Object or id
+ * @access public
+ */
+ function nextID($seq_name, $ondemand = true)
+ {
+ $sequence_name = $this->quoteIdentifier($this->getSequenceName($seq_name), true);
+ $seqcol_name = $this->quoteIdentifier($this->options['seqcol_name'], true);
+ $query = "INSERT INTO $sequence_name ($seqcol_name) VALUES (NULL)";
+ $this->expectError(MDB2_ERROR_NOSUCHTABLE);
+ $result =& $this->_doQuery($query, true);
+ $this->popExpect();
+ if (PEAR::isError($result)) {
+ if ($ondemand && $result->getCode() == MDB2_ERROR_NOSUCHTABLE) {
+ $this->loadModule('Manager', null, true);
+ $result = $this->manager->createSequence($seq_name);
+ if (PEAR::isError($result)) {
+ return $this->raiseError($result, null, null,
+ 'on demand sequence '.$seq_name.' could not be created', __FUNCTION__);
+ } else {
+ return $this->nextID($seq_name, false);
+ }
+ }
+ return $result;
+ }
+ $value = $this->lastInsertID();
+ if (is_numeric($value)) {
+ $query = "DELETE FROM $sequence_name WHERE $seqcol_name < $value";
+ $result =& $this->_doQuery($query, true);
+ if (PEAR::isError($result)) {
+ $this->warnings[] = 'nextID: could not delete previous sequence table values from '.$seq_name;
+ }
+ }
+ return $value;
+ }
+
+ // }}}
+ // {{{ lastInsertID()
+
+ /**
+ * Returns the autoincrement ID if supported or $id or fetches the current
+ * ID in a sequence called: $table.(empty($field) ? '' : '_'.$field)
+ *
+ * @param string $table name of the table into which a new row was inserted
+ * @param string $field name of the field into which a new row was inserted
+ * @return mixed MDB2 Error Object or id
+ * @access public
+ */
+ function lastInsertID($table = null, $field = null)
+ {
+ // not using mysql_insert_id() due to http://pear.php.net/bugs/bug.php?id=8051
+ return $this->queryOne('SELECT LAST_INSERT_ID()', 'integer');
+ }
+
+ // }}}
+ // {{{ currID()
+
+ /**
+ * Returns the current id of a sequence
+ *
+ * @param string $seq_name name of the sequence
+ * @return mixed MDB2 Error Object or id
+ * @access public
+ */
+ function currID($seq_name)
+ {
+ $sequence_name = $this->quoteIdentifier($this->getSequenceName($seq_name), true);
+ $seqcol_name = $this->quoteIdentifier($this->options['seqcol_name'], true);
+ $query = "SELECT MAX($seqcol_name) FROM $sequence_name";
+ return $this->queryOne($query, 'integer');
+ }
+}
+
+/**
+ * MDB2 MySQL result driver
+ *
+ * @package MDB2
+ * @category Database
+ * @author Lukas Smith <smith@pooteeweet.org>
+ */
+class MDB2_Result_mysql extends MDB2_Result_Common
+{
+ // }}}
+ // {{{ fetchRow()
+
+ /**
+ * Fetch a row and insert the data into an existing array.
+ *
+ * @param int $fetchmode how the array data should be indexed
+ * @param int $rownum number of the row where the data can be found
+ * @return int data array on success, a MDB2 error on failure
+ * @access public
+ */
+ function &fetchRow($fetchmode = MDB2_FETCHMODE_DEFAULT, $rownum = null)
+ {
+ if (!is_null($rownum)) {
+ $seek = $this->seek($rownum);
+ if (PEAR::isError($seek)) {
+ return $seek;
+ }
+ }
+ if ($fetchmode == MDB2_FETCHMODE_DEFAULT) {
+ $fetchmode = $this->db->fetchmode;
+ }
+ if ($fetchmode & MDB2_FETCHMODE_ASSOC) {
+ $row = @mysql_fetch_assoc($this->result);
+ if (is_array($row)
+ && $this->db->options['portability'] & MDB2_PORTABILITY_FIX_CASE
+ ) {
+ $row = array_change_key_case($row, $this->db->options['field_case']);
+ }
+ } else {
+ $row = @mysql_fetch_row($this->result);
+ }
+
+ if (!$row) {
+ if ($this->result === false) {
+ $err =& $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
+ 'resultset has already been freed', __FUNCTION__);
+ return $err;
+ }
+ $null = null;
+ return $null;
+ }
+ $mode = $this->db->options['portability'] & MDB2_PORTABILITY_EMPTY_TO_NULL;
+ $rtrim = false;
+ if ($this->db->options['portability'] & MDB2_PORTABILITY_RTRIM) {
+ if (empty($this->types)) {
+ $mode += MDB2_PORTABILITY_RTRIM;
+ } else {
+ $rtrim = true;
+ }
+ }
+ if ($mode) {
+ $this->db->_fixResultArrayValues($row, $mode);
+ }
+ if (!empty($this->types)) {
+ $row = $this->db->datatype->convertResultRow($this->types, $row, $rtrim);
+ }
+ if (!empty($this->values)) {
+ $this->_assignBindColumns($row);
+ }
+ if ($fetchmode === MDB2_FETCHMODE_OBJECT) {
+ $object_class = $this->db->options['fetch_class'];
+ if ($object_class == 'stdClass') {
+ $row = (object) $row;
+ } else {
+ $row = &new $object_class($row);
+ }
+ }
+ ++$this->rownum;
+ return $row;
+ }
+
+ // }}}
+ // {{{ _getColumnNames()
+
+ /**
+ * Retrieve the names of columns returned by the DBMS in a query result.
+ *
+ * @return mixed Array variable that holds the names of columns as keys
+ * or an MDB2 error on failure.
+ * Some DBMS may not return any columns when the result set
+ * does not contain any rows.
+ * @access private
+ */
+ function _getColumnNames()
+ {
+ $columns = array();
+ $numcols = $this->numCols();
+ if (PEAR::isError($numcols)) {
+ return $numcols;
+ }
+ for ($column = 0; $column < $numcols; $column++) {
+ $column_name = @mysql_field_name($this->result, $column);
+ $columns[$column_name] = $column;
+ }
+ if ($this->db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $columns = array_change_key_case($columns, $this->db->options['field_case']);
+ }
+ return $columns;
+ }
+
+ // }}}
+ // {{{ numCols()
+
+ /**
+ * Count the number of columns returned by the DBMS in a query result.
+ *
+ * @return mixed integer value with the number of columns, a MDB2 error
+ * on failure
+ * @access public
+ */
+ function numCols()
+ {
+ $cols = @mysql_num_fields($this->result);
+ if (is_null($cols)) {
+ if ($this->result === false) {
+ return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
+ 'resultset has already been freed', __FUNCTION__);
+ } elseif (is_null($this->result)) {
+ return count($this->types);
+ }
+ return $this->db->raiseError(null, null, null,
+ 'Could not get column count', __FUNCTION__);
+ }
+ return $cols;
+ }
+
+ // }}}
+ // {{{ free()
+
+ /**
+ * Free the internal resources associated with result.
+ *
+ * @return boolean true on success, false if result is invalid
+ * @access public
+ */
+ function free()
+ {
+ if (is_resource($this->result) && $this->db->connection) {
+ $free = @mysql_free_result($this->result);
+ if ($free === false) {
+ return $this->db->raiseError(null, null, null,
+ 'Could not free result', __FUNCTION__);
+ }
+ }
+ $this->result = false;
+ return MDB2_OK;
+ }
+}
+
+/**
+ * MDB2 MySQL buffered result driver
+ *
+ * @package MDB2
+ * @category Database
+ * @author Lukas Smith <smith@pooteeweet.org>
+ */
+class MDB2_BufferedResult_mysql extends MDB2_Result_mysql
+{
+ // }}}
+ // {{{ seek()
+
+ /**
+ * Seek to a specific row in a result set
+ *
+ * @param int $rownum number of the row where the data can be found
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function seek($rownum = 0)
+ {
+ if ($this->rownum != ($rownum - 1) && !@mysql_data_seek($this->result, $rownum)) {
+ if ($this->result === false) {
+ return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
+ 'resultset has already been freed', __FUNCTION__);
+ } elseif (is_null($this->result)) {
+ return MDB2_OK;
+ }
+ return $this->db->raiseError(MDB2_ERROR_INVALID, null, null,
+ 'tried to seek to an invalid row number ('.$rownum.')', __FUNCTION__);
+ }
+ $this->rownum = $rownum - 1;
+ return MDB2_OK;
+ }
+
+ // }}}
+ // {{{ valid()
+
+ /**
+ * Check if the end of the result set has been reached
+ *
+ * @return mixed true or false on sucess, a MDB2 error on failure
+ * @access public
+ */
+ function valid()
+ {
+ $numrows = $this->numRows();
+ if (PEAR::isError($numrows)) {
+ return $numrows;
+ }
+ return $this->rownum < ($numrows - 1);
+ }
+
+ // }}}
+ // {{{ numRows()
+
+ /**
+ * Returns the number of rows in a result object
+ *
+ * @return mixed MDB2 Error Object or the number of rows
+ * @access public
+ */
+ function numRows()
+ {
+ $rows = @mysql_num_rows($this->result);
+ if (false === $rows) {
+ if (false === $this->result) {
+ return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
+ 'resultset has already been freed', __FUNCTION__);
+ } elseif (is_null($this->result)) {
+ return 0;
+ }
+ return $this->db->raiseError(null, null, null,
+ 'Could not get row count', __FUNCTION__);
+ }
+ return $rows;
+ }
+}
+
+/**
+ * MDB2 MySQL statement driver
+ *
+ * @package MDB2
+ * @category Database
+ * @author Lukas Smith <smith@pooteeweet.org>
+ */
+class MDB2_Statement_mysql extends MDB2_Statement_Common
+{
+ // {{{ _execute()
+
+ /**
+ * Execute a prepared query statement helper method.
+ *
+ * @param mixed $result_class string which specifies which result class to use
+ * @param mixed $result_wrap_class string which specifies which class to wrap results in
+ * @return mixed a result handle or MDB2_OK on success, a MDB2 error on failure
+ * @access private
+ */
+ function &_execute($result_class = true, $result_wrap_class = false)
+ {
+ if (is_null($this->statement)) {
+ $result =& parent::_execute($result_class, $result_wrap_class);
+ return $result;
+ }
+ $this->db->last_query = $this->query;
+ $this->db->debug($this->query, 'execute', array('is_manip' => $this->is_manip, 'when' => 'pre', 'parameters' => $this->values));
+ if ($this->db->getOption('disable_query')) {
+ $result = $this->is_manip ? 0 : null;
+ return $result;
+ }
+
+ $connection = $this->db->getConnection();
+ if (PEAR::isError($connection)) {
+ return $connection;
+ }
+
+ $query = 'EXECUTE '.$this->statement;
+ if (!empty($this->positions)) {
+ $parameters = array();
+ foreach ($this->positions as $parameter) {
+ if (!array_key_exists($parameter, $this->values)) {
+ return $this->db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+ 'Unable to bind to missing placeholder: '.$parameter, __FUNCTION__);
+ }
+ $value = $this->values[$parameter];
+ $type = array_key_exists($parameter, $this->types) ? $this->types[$parameter] : null;
+ if (is_resource($value) || $type == 'clob' || $type == 'blob' && $this->db->options['lob_allow_url_include']) {
+ if (!is_resource($value) && preg_match('/^(\w+:\/\/)(.*)$/', $value, $match)) {
+ if ($match[1] == 'file://') {
+ $value = $match[2];
+ }
+ $value = @fopen($value, 'r');
+ $close = true;
+ }
+ if (is_resource($value)) {
+ $data = '';
+ while (!@feof($value)) {
+ $data.= @fread($value, $this->db->options['lob_buffer_length']);
+ }
+ if ($close) {
+ @fclose($value);
+ }
+ $value = $data;
+ }
+ }
+ $quoted = $this->db->quote($value, $type);
+ if (PEAR::isError($quoted)) {
+ return $quoted;
+ }
+ $param_query = 'SET @'.$parameter.' = '.$quoted;
+ $result = $this->db->_doQuery($param_query, true, $connection);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ }
+ $query.= ' USING @'.implode(', @', array_values($this->positions));
+ }
+
+ $result = $this->db->_doQuery($query, $this->is_manip, $connection);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+
+ if ($this->is_manip) {
+ $affected_rows = $this->db->_affectedRows($connection, $result);
+ return $affected_rows;
+ }
+
+ $result =& $this->db->_wrapResult($result, $this->result_types,
+ $result_class, $result_wrap_class, $this->limit, $this->offset);
+ $this->db->debug($this->query, 'execute', array('is_manip' => $this->is_manip, 'when' => 'post', 'result' => $result));
+ return $result;
+ }
+
+ // }}}
+ // {{{ free()
+
+ /**
+ * Release resources allocated for the specified prepared query.
+ *
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function free()
+ {
+ if (is_null($this->positions)) {
+ return $this->db->raiseError(MDB2_ERROR, null, null,
+ 'Prepared statement has already been freed', __FUNCTION__);
+ }
+ $result = MDB2_OK;
+
+ if (!is_null($this->statement)) {
+ $connection = $this->db->getConnection();
+ if (PEAR::isError($connection)) {
+ return $connection;
+ }
+ $query = 'DEALLOCATE PREPARE '.$this->statement;
+ $result = $this->db->_doQuery($query, true, $connection);
+ }
+
+ parent::free();
+ return $result;
+ }
+}
+?>
\ No newline at end of file diff --git a/program/lib/MDB2/Driver/mysqli.php b/program/lib/MDB2/Driver/mysqli.php new file mode 100644 index 000000000..5dc53d624 --- /dev/null +++ b/program/lib/MDB2/Driver/mysqli.php @@ -0,0 +1,1697 @@ +<?php
+// vim: set et ts=4 sw=4 fdm=marker:
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2006 Manuel Lemos, Tomas V.V.Cox, |
+// | Stig. S. Bakken, Lukas Smith |
+// | All rights reserved. |
+// +----------------------------------------------------------------------+
+// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB |
+// | API as well as database abstraction for PHP applications. |
+// | This LICENSE is in the BSD license style. |
+// | |
+// | Redistribution and use in source and binary forms, with or without |
+// | modification, are permitted provided that the following conditions |
+// | are met: |
+// | |
+// | Redistributions of source code must retain the above copyright |
+// | notice, this list of conditions and the following disclaimer. |
+// | |
+// | Redistributions in binary form must reproduce the above copyright |
+// | notice, this list of conditions and the following disclaimer in the |
+// | documentation and/or other materials provided with the distribution. |
+// | |
+// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, |
+// | Lukas Smith nor the names of his contributors may be used to endorse |
+// | or promote products derived from this software without specific prior|
+// | written permission. |
+// | |
+// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
+// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
+// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
+// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
+// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
+// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
+// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
+// | OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
+// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
+// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
+// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
+// | POSSIBILITY OF SUCH DAMAGE. |
+// +----------------------------------------------------------------------+
+// | Author: Lukas Smith <smith@pooteeweet.org> |
+// +----------------------------------------------------------------------+
+//
+// $Id: mysqli.php,v 1.176 2007/11/10 13:27:03 quipo Exp $
+//
+
+/**
+ * MDB2 MySQLi driver
+ *
+ * @package MDB2
+ * @category Database
+ * @author Lukas Smith <smith@pooteeweet.org>
+ */
+class MDB2_Driver_mysqli extends MDB2_Driver_Common
+{
+ // {{{ properties
+
+ var $string_quoting = array('start' => "'", 'end' => "'", 'escape' => '\\', 'escape_pattern' => '\\');
+
+ var $identifier_quoting = array('start' => '`', 'end' => '`', 'escape' => '`');
+
+ var $sql_comments = array(
+ array('start' => '-- ', 'end' => "\n", 'escape' => false),
+ array('start' => '#', 'end' => "\n", 'escape' => false),
+ array('start' => '/*', 'end' => '*/', 'escape' => false),
+ );
+
+ var $server_capabilities_checked = false;
+
+ var $start_transaction = false;
+
+ var $varchar_max_length = 255;
+
+ // }}}
+ // {{{ constructor
+
+ /**
+ * Constructor
+ */
+ function __construct()
+ {
+ parent::__construct();
+
+ $this->phptype = 'mysqli';
+ $this->dbsyntax = 'mysql';
+
+ $this->supported['sequences'] = 'emulated';
+ $this->supported['indexes'] = true;
+ $this->supported['affected_rows'] = true;
+ $this->supported['transactions'] = false;
+ $this->supported['savepoints'] = false;
+ $this->supported['summary_functions'] = true;
+ $this->supported['order_by_text'] = true;
+ $this->supported['current_id'] = 'emulated';
+ $this->supported['limit_queries'] = true;
+ $this->supported['LOBs'] = true;
+ $this->supported['replace'] = true;
+ $this->supported['sub_selects'] = 'emulated';
+ $this->supported['auto_increment'] = true;
+ $this->supported['primary_key'] = true;
+ $this->supported['result_introspection'] = true;
+ $this->supported['prepared_statements'] = 'emulated';
+ $this->supported['identifier_quoting'] = true;
+ $this->supported['pattern_escaping'] = true;
+ $this->supported['new_link'] = true;
+
+ $this->options['default_table_type'] = '';
+ $this->options['multi_query'] = false;
+ }
+
+ // }}}
+ // {{{ errorInfo()
+
+ /**
+ * This method is used to collect information about an error
+ *
+ * @param integer $error
+ * @return array
+ * @access public
+ */
+ function errorInfo($error = null)
+ {
+ if ($this->connection) {
+ $native_code = @mysqli_errno($this->connection);
+ $native_msg = @mysqli_error($this->connection);
+ } else {
+ $native_code = @mysqli_connect_errno();
+ $native_msg = @mysqli_connect_error();
+ }
+ if (is_null($error)) {
+ static $ecode_map;
+ if (empty($ecode_map)) {
+ $ecode_map = array(
+ 1000 => MDB2_ERROR_INVALID, //hashchk
+ 1001 => MDB2_ERROR_INVALID, //isamchk
+ 1004 => MDB2_ERROR_CANNOT_CREATE,
+ 1005 => MDB2_ERROR_CANNOT_CREATE,
+ 1006 => MDB2_ERROR_CANNOT_CREATE,
+ 1007 => MDB2_ERROR_ALREADY_EXISTS,
+ 1008 => MDB2_ERROR_CANNOT_DROP,
+ 1009 => MDB2_ERROR_CANNOT_DROP,
+ 1010 => MDB2_ERROR_CANNOT_DROP,
+ 1011 => MDB2_ERROR_CANNOT_DELETE,
+ 1022 => MDB2_ERROR_ALREADY_EXISTS,
+ 1029 => MDB2_ERROR_NOT_FOUND,
+ 1032 => MDB2_ERROR_NOT_FOUND,
+ 1044 => MDB2_ERROR_ACCESS_VIOLATION,
+ 1045 => MDB2_ERROR_ACCESS_VIOLATION,
+ 1046 => MDB2_ERROR_NODBSELECTED,
+ 1048 => MDB2_ERROR_CONSTRAINT,
+ 1049 => MDB2_ERROR_NOSUCHDB,
+ 1050 => MDB2_ERROR_ALREADY_EXISTS,
+ 1051 => MDB2_ERROR_NOSUCHTABLE,
+ 1054 => MDB2_ERROR_NOSUCHFIELD,
+ 1060 => MDB2_ERROR_ALREADY_EXISTS,
+ 1061 => MDB2_ERROR_ALREADY_EXISTS,
+ 1062 => MDB2_ERROR_ALREADY_EXISTS,
+ 1064 => MDB2_ERROR_SYNTAX,
+ 1067 => MDB2_ERROR_INVALID,
+ 1072 => MDB2_ERROR_NOT_FOUND,
+ 1086 => MDB2_ERROR_ALREADY_EXISTS,
+ 1091 => MDB2_ERROR_NOT_FOUND,
+ 1100 => MDB2_ERROR_NOT_LOCKED,
+ 1109 => MDB2_ERROR_NOT_FOUND,
+ 1125 => MDB2_ERROR_ALREADY_EXISTS,
+ 1136 => MDB2_ERROR_VALUE_COUNT_ON_ROW,
+ 1138 => MDB2_ERROR_INVALID,
+ 1142 => MDB2_ERROR_ACCESS_VIOLATION,
+ 1143 => MDB2_ERROR_ACCESS_VIOLATION,
+ 1146 => MDB2_ERROR_NOSUCHTABLE,
+ 1149 => MDB2_ERROR_SYNTAX,
+ 1169 => MDB2_ERROR_CONSTRAINT,
+ 1176 => MDB2_ERROR_NOT_FOUND,
+ 1177 => MDB2_ERROR_NOSUCHTABLE,
+ 1213 => MDB2_ERROR_DEADLOCK,
+ 1216 => MDB2_ERROR_CONSTRAINT,
+ 1217 => MDB2_ERROR_CONSTRAINT,
+ 1227 => MDB2_ERROR_ACCESS_VIOLATION,
+ 1299 => MDB2_ERROR_INVALID_DATE,
+ 1300 => MDB2_ERROR_INVALID,
+ 1304 => MDB2_ERROR_ALREADY_EXISTS,
+ 1305 => MDB2_ERROR_NOT_FOUND,
+ 1306 => MDB2_ERROR_CANNOT_DROP,
+ 1307 => MDB2_ERROR_CANNOT_CREATE,
+ 1334 => MDB2_ERROR_CANNOT_ALTER,
+ 1339 => MDB2_ERROR_NOT_FOUND,
+ 1356 => MDB2_ERROR_INVALID,
+ 1359 => MDB2_ERROR_ALREADY_EXISTS,
+ 1360 => MDB2_ERROR_NOT_FOUND,
+ 1363 => MDB2_ERROR_NOT_FOUND,
+ 1365 => MDB2_ERROR_DIVZERO,
+ 1451 => MDB2_ERROR_CONSTRAINT,
+ 1452 => MDB2_ERROR_CONSTRAINT,
+ 1542 => MDB2_ERROR_CANNOT_DROP,
+ 1546 => MDB2_ERROR_CONSTRAINT,
+ 1582 => MDB2_ERROR_CONSTRAINT,
+ 2019 => MDB2_ERROR_INVALID,
+ );
+ }
+ if ($this->options['portability'] & MDB2_PORTABILITY_ERRORS) {
+ $ecode_map[1022] = MDB2_ERROR_CONSTRAINT;
+ $ecode_map[1048] = MDB2_ERROR_CONSTRAINT_NOT_NULL;
+ $ecode_map[1062] = MDB2_ERROR_CONSTRAINT;
+ } else {
+ // Doing this in case mode changes during runtime.
+ $ecode_map[1022] = MDB2_ERROR_ALREADY_EXISTS;
+ $ecode_map[1048] = MDB2_ERROR_CONSTRAINT;
+ $ecode_map[1062] = MDB2_ERROR_ALREADY_EXISTS;
+ }
+ if (isset($ecode_map[$native_code])) {
+ $error = $ecode_map[$native_code];
+ }
+ }
+ return array($error, $native_code, $native_msg);
+ }
+
+ // }}}
+ // {{{ escape()
+
+ /**
+ * Quotes a string so it can be safely used in a query. It will quote
+ * the text so it can safely be used within a query.
+ *
+ * @param string the input string to quote
+ * @param bool escape wildcards
+ *
+ * @return string quoted string
+ *
+ * @access public
+ */
+ function escape($text, $escape_wildcards = false)
+ {
+ if ($escape_wildcards) {
+ $text = $this->escapePattern($text);
+ }
+ $connection = $this->getConnection();
+ if (PEAR::isError($connection)) {
+ return $connection;
+ }
+ $text = @mysqli_real_escape_string($connection, $text);
+ return $text;
+ }
+
+ // }}}
+ // {{{ beginTransaction()
+
+ /**
+ * Start a transaction or set a savepoint.
+ *
+ * @param string name of a savepoint to set
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ *
+ * @access public
+ */
+ function beginTransaction($savepoint = null)
+ {
+ $this->debug('Starting transaction/savepoint', __FUNCTION__, array('is_manip' => true, 'savepoint' => $savepoint));
+ $this->_getServerCapabilities();
+ if (!is_null($savepoint)) {
+ if (!$this->supports('savepoints')) {
+ return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'savepoints are not supported', __FUNCTION__);
+ }
+ if (!$this->in_transaction) {
+ return $this->raiseError(MDB2_ERROR_INVALID, null, null,
+ 'savepoint cannot be released when changes are auto committed', __FUNCTION__);
+ }
+ $query = 'SAVEPOINT '.$savepoint;
+ return $this->_doQuery($query, true);
+ } elseif ($this->in_transaction) {
+ return MDB2_OK; //nothing to do
+ }
+ $query = $this->start_transaction ? 'START TRANSACTION' : 'SET AUTOCOMMIT = 1';
+ $result =& $this->_doQuery($query, true);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ $this->in_transaction = true;
+ return MDB2_OK;
+ }
+
+ // }}}
+ // {{{ commit()
+
+ /**
+ * Commit the database changes done during a transaction that is in
+ * progress or release a savepoint. This function may only be called when
+ * auto-committing is disabled, otherwise it will fail. Therefore, a new
+ * transaction is implicitly started after committing the pending changes.
+ *
+ * @param string name of a savepoint to release
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ *
+ * @access public
+ */
+ function commit($savepoint = null)
+ {
+ $this->debug('Committing transaction/savepoint', __FUNCTION__, array('is_manip' => true, 'savepoint' => $savepoint));
+ if (!$this->in_transaction) {
+ return $this->raiseError(MDB2_ERROR_INVALID, null, null,
+ 'commit/release savepoint cannot be done changes are auto committed', __FUNCTION__);
+ }
+ if (!is_null($savepoint)) {
+ if (!$this->supports('savepoints')) {
+ return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'savepoints are not supported', __FUNCTION__);
+ }
+ $server_info = $this->getServerVersion();
+ if (version_compare($server_info['major'].'.'.$server_info['minor'].'.'.$server_info['patch'], '5.0.3', '<')) {
+ return MDB2_OK;
+ }
+ $query = 'RELEASE SAVEPOINT '.$savepoint;
+ return $this->_doQuery($query, true);
+ }
+
+ if (!$this->supports('transactions')) {
+ return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'transactions are not supported', __FUNCTION__);
+ }
+
+ $result =& $this->_doQuery('COMMIT', true);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ if (!$this->start_transaction) {
+ $query = 'SET AUTOCOMMIT = 0';
+ $result =& $this->_doQuery($query, true);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ }
+ $this->in_transaction = false;
+ return MDB2_OK;
+ }
+
+ // }}}
+ // {{{ rollback()
+
+ /**
+ * Cancel any database changes done during a transaction or since a specific
+ * savepoint that is in progress. This function may only be called when
+ * auto-committing is disabled, otherwise it will fail. Therefore, a new
+ * transaction is implicitly started after canceling the pending changes.
+ *
+ * @param string name of a savepoint to rollback to
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ *
+ * @access public
+ */
+ function rollback($savepoint = null)
+ {
+ $this->debug('Rolling back transaction/savepoint', __FUNCTION__, array('is_manip' => true, 'savepoint' => $savepoint));
+ if (!$this->in_transaction) {
+ return $this->raiseError(MDB2_ERROR_INVALID, null, null,
+ 'rollback cannot be done changes are auto committed', __FUNCTION__);
+ }
+ if (!is_null($savepoint)) {
+ if (!$this->supports('savepoints')) {
+ return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'savepoints are not supported', __FUNCTION__);
+ }
+ $query = 'ROLLBACK TO SAVEPOINT '.$savepoint;
+ return $this->_doQuery($query, true);
+ }
+
+ $query = 'ROLLBACK';
+ $result =& $this->_doQuery($query, true);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ if (!$this->start_transaction) {
+ $query = 'SET AUTOCOMMIT = 0';
+ $result =& $this->_doQuery($query, true);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ }
+ $this->in_transaction = false;
+ return MDB2_OK;
+ }
+
+ // }}}
+ // {{{ function setTransactionIsolation()
+
+ /**
+ * Set the transacton isolation level.
+ *
+ * @param string standard isolation level
+ * READ UNCOMMITTED (allows dirty reads)
+ * READ COMMITTED (prevents dirty reads)
+ * REPEATABLE READ (prevents nonrepeatable reads)
+ * SERIALIZABLE (prevents phantom reads)
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ *
+ * @access public
+ * @since 2.1.1
+ */
+ function setTransactionIsolation($isolation)
+ {
+ $this->debug('Setting transaction isolation level', __FUNCTION__, array('is_manip' => true));
+ if (!$this->supports('transactions')) {
+ return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'transactions are not supported', __FUNCTION__);
+ }
+ switch ($isolation) {
+ case 'READ UNCOMMITTED':
+ case 'READ COMMITTED':
+ case 'REPEATABLE READ':
+ case 'SERIALIZABLE':
+ break;
+ default:
+ return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'isolation level is not supported: '.$isolation, __FUNCTION__);
+ }
+
+ $query = "SET SESSION TRANSACTION ISOLATION LEVEL $isolation";
+ return $this->_doQuery($query, true);
+ }
+
+ // }}}
+ // {{{ connect()
+
+ /**
+ * Connect to the database
+ *
+ * @return true on success, MDB2 Error Object on failure
+ */
+ function connect()
+ {
+ if (is_object($this->connection)) {
+ //if (count(array_diff($this->connected_dsn, $this->dsn)) == 0) {
+ if (MDB2::areEquals($this->connected_dsn, $this->dsn)) {
+ return MDB2_OK;
+ }
+ $this->connection = 0;
+ }
+
+ if (!PEAR::loadExtension($this->phptype)) {
+ return $this->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+ 'extension '.$this->phptype.' is not compiled into PHP', __FUNCTION__);
+ }
+
+ $connection = @mysqli_init();
+ if (!empty($this->dsn['charset']) && defined('MYSQLI_SET_CHARSET_NAME')) {
+ @mysqli_options($connection, MYSQLI_SET_CHARSET_NAME, $this->dsn['charset']);
+ }
+
+
+ if ($this->options['ssl']) {
+ @mysqli_ssl_set(
+ $connection,
+ empty($this->dsn['key']) ? null : $this->dsn['key'],
+ empty($this->dsn['cert']) ? null : $this->dsn['cert'],
+ empty($this->dsn['ca']) ? null : $this->dsn['ca'],
+ empty($this->dsn['capath']) ? null : $this->dsn['capath'],
+ empty($this->dsn['cipher']) ? null : $this->dsn['cipher']
+ );
+ }
+
+ if (!@mysqli_real_connect(
+ $connection,
+ $this->dsn['hostspec'],
+ $this->dsn['username'],
+ $this->dsn['password'],
+ $this->database_name,
+ $this->dsn['port'],
+ $this->dsn['socket']
+ )) {
+
+ if (($err = @mysqli_connect_error()) != '') {
+ return $this->raiseError(null,
+ null, null, $err, __FUNCTION__);
+ } else {
+ return $this->raiseError(MDB2_ERROR_CONNECT_FAILED, null, null,
+ 'unable to establish a connection', __FUNCTION__);
+ }
+ }
+
+ if (!empty($this->dsn['charset']) && !defined('MYSQLI_SET_CHARSET_NAME')) {
+ $result = $this->setCharset($this->dsn['charset'], $connection);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ }
+
+ $this->connection = $connection;
+ $this->connected_dsn = $this->dsn;
+ $this->connected_database_name = $this->database_name;
+ $this->dbsyntax = $this->dsn['dbsyntax'] ? $this->dsn['dbsyntax'] : $this->phptype;
+
+ $this->supported['transactions'] = $this->options['use_transactions'];
+ if ($this->options['default_table_type']) {
+ switch (strtoupper($this->options['default_table_type'])) {
+ case 'BLACKHOLE':
+ case 'MEMORY':
+ case 'ARCHIVE':
+ case 'CSV':
+ case 'HEAP':
+ case 'ISAM':
+ case 'MERGE':
+ case 'MRG_ISAM':
+ case 'ISAM':
+ case 'MRG_MYISAM':
+ case 'MYISAM':
+ $this->supported['transactions'] = false;
+ $this->warnings[] = $this->options['default_table_type'] .
+ ' is not a supported default table type';
+ break;
+ }
+ }
+
+ $this->_getServerCapabilities();
+
+ return MDB2_OK;
+ }
+
+ // }}}
+ // {{{ setCharset()
+
+ /**
+ * Set the charset on the current connection
+ *
+ * @param string charset
+ * @param resource connection handle
+ *
+ * @return true on success, MDB2 Error Object on failure
+ */
+ function setCharset($charset, $connection = null)
+ {
+ if (is_null($connection)) {
+ $connection = $this->getConnection();
+ if (PEAR::isError($connection)) {
+ return $connection;
+ }
+ }
+ $client_info = mysqli_get_client_version();
+ if (OS_WINDOWS && ((40111 > $client_info) ||
+ ((50000 <= $client_info) && (50006 > $client_info)))
+ ) {
+ $query = "SET NAMES '".mysqli_real_escape_string($connection, $charset)."'";
+ return $this->_doQuery($query, true, $connection);
+ }
+ if (!$result = mysqli_set_charset($connection, $charset)) {
+ $err =& $this->raiseError(null, null, null,
+ 'Could not set client character set', __FUNCTION__);
+ return $err;
+ }
+ return $result;
+ }
+
+ // }}}
+ // {{{ disconnect()
+
+ /**
+ * Log out and disconnect from the database.
+ *
+ * @param boolean $force if the disconnect should be forced even if the
+ * connection is opened persistently
+ * @return mixed true on success, false if not connected and error
+ * object on error
+ * @access public
+ */
+ function disconnect($force = true)
+ {
+ if (is_object($this->connection)) {
+ if ($this->in_transaction) {
+ $dsn = $this->dsn;
+ $database_name = $this->database_name;
+ $persistent = $this->options['persistent'];
+ $this->dsn = $this->connected_dsn;
+ $this->database_name = $this->connected_database_name;
+ $this->options['persistent'] = $this->opened_persistent;
+ $this->rollback();
+ $this->dsn = $dsn;
+ $this->database_name = $database_name;
+ $this->options['persistent'] = $persistent;
+ }
+
+ if ($force) {
+ @mysqli_close($this->connection);
+ }
+ }
+ return parent::disconnect($force);
+ }
+
+ // }}}
+ // {{{ _doQuery()
+
+ /**
+ * Execute a query
+ * @param string $query query
+ * @param boolean $is_manip if the query is a manipulation query
+ * @param resource $connection
+ * @param string $database_name
+ * @return result or error object
+ * @access protected
+ */
+ function &_doQuery($query, $is_manip = false, $connection = null, $database_name = null)
+ {
+ $this->last_query = $query;
+ $result = $this->debug($query, 'query', array('is_manip' => $is_manip, 'when' => 'pre'));
+ if ($result) {
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ $query = $result;
+ }
+ if ($this->options['disable_query']) {
+ $result = $is_manip ? 0 : null;
+ return $result;
+ }
+
+ if (is_null($connection)) {
+ $connection = $this->getConnection();
+ if (PEAR::isError($connection)) {
+ return $connection;
+ }
+ }
+ if (is_null($database_name)) {
+ $database_name = $this->database_name;
+ }
+
+ if ($database_name) {
+ if ($database_name != $this->connected_database_name) {
+ if (!@mysqli_select_db($connection, $database_name)) {
+ $err = $this->raiseError(null, null, null,
+ 'Could not select the database: '.$database_name, __FUNCTION__);
+ return $err;
+ }
+ $this->connected_database_name = $database_name;
+ }
+ }
+
+ if ($this->options['multi_query']) {
+ $result = mysqli_multi_query($connection, $query);
+ } else {
+ $resultmode = $this->options['result_buffering'] ? MYSQLI_USE_RESULT : MYSQLI_USE_RESULT;
+ $result = mysqli_query($connection, $query);
+ }
+
+ if (!$result) {
+ $err =& $this->raiseError(null, null, null,
+ 'Could not execute statement', __FUNCTION__);
+ return $err;
+ }
+
+ if ($this->options['multi_query']) {
+ if ($this->options['result_buffering']) {
+ if (!($result = @mysqli_store_result($connection))) {
+ $err =& $this->raiseError(null, null, null,
+ 'Could not get the first result from a multi query', __FUNCTION__);
+ return $err;
+ }
+ } elseif (!($result = @mysqli_use_result($connection))) {
+ $err =& $this->raiseError(null, null, null,
+ 'Could not get the first result from a multi query', __FUNCTION__);
+ return $err;
+ }
+ }
+
+ $this->debug($query, 'query', array('is_manip' => $is_manip, 'when' => 'post', 'result' => $result));
+ return $result;
+ }
+
+ // }}}
+ // {{{ _affectedRows()
+
+ /**
+ * Returns the number of rows affected
+ *
+ * @param resource $result
+ * @param resource $connection
+ * @return mixed MDB2 Error Object or the number of rows affected
+ * @access private
+ */
+ function _affectedRows($connection, $result = null)
+ {
+ if (is_null($connection)) {
+ $connection = $this->getConnection();
+ if (PEAR::isError($connection)) {
+ return $connection;
+ }
+ }
+ return @mysqli_affected_rows($connection);
+ }
+
+ // }}}
+ // {{{ _modifyQuery()
+
+ /**
+ * Changes a query string for various DBMS specific reasons
+ *
+ * @param string $query query to modify
+ * @param boolean $is_manip if it is a DML query
+ * @param integer $limit limit the number of rows
+ * @param integer $offset start reading from given offset
+ * @return string modified query
+ * @access protected
+ */
+ function _modifyQuery($query, $is_manip, $limit, $offset)
+ {
+ if ($this->options['portability'] & MDB2_PORTABILITY_DELETE_COUNT) {
+ // "DELETE FROM table" gives 0 affected rows in MySQL.
+ // This little hack lets you know how many rows were deleted.
+ if (preg_match('/^\s*DELETE\s+FROM\s+(\S+)\s*$/i', $query)) {
+ $query = preg_replace('/^\s*DELETE\s+FROM\s+(\S+)\s*$/',
+ 'DELETE FROM \1 WHERE 1=1', $query);
+ }
+ }
+ if ($limit > 0
+ && !preg_match('/LIMIT\s*\d(?:\s*(?:,|OFFSET)\s*\d+)?(?:[^\)]*)?$/i', $query)
+ ) {
+ $query = rtrim($query);
+ if (substr($query, -1) == ';') {
+ $query = substr($query, 0, -1);
+ }
+
+ // LIMIT doesn't always come last in the query
+ // @see http://dev.mysql.com/doc/refman/5.0/en/select.html
+ $after = '';
+ if (preg_match('/(\s+INTO\s+(?:OUT|DUMP)FILE\s.*)$/ims', $query, $matches)) {
+ $after = $matches[0];
+ $query = preg_replace('/(\s+INTO\s+(?:OUT|DUMP)FILE\s.*)$/ims', '', $query);
+ } elseif (preg_match('/(\s+FOR\s+UPDATE\s*)$/i', $query, $matches)) {
+ $after = $matches[0];
+ $query = preg_replace('/(\s+FOR\s+UPDATE\s*)$/im', '', $query);
+ } elseif (preg_match('/(\s+LOCK\s+IN\s+SHARE\s+MODE\s*)$/im', $query, $matches)) {
+ $after = $matches[0];
+ $query = preg_replace('/(\s+LOCK\s+IN\s+SHARE\s+MODE\s*)$/im', '', $query);
+ }
+
+ if ($is_manip) {
+ return $query . " LIMIT $limit" . $after;
+ } else {
+ return $query . " LIMIT $offset, $limit" . $after;
+ }
+ }
+ return $query;
+ }
+
+ // }}}
+ // {{{ getServerVersion()
+
+ /**
+ * return version information about the server
+ *
+ * @param bool $native determines if the raw version string should be returned
+ * @return mixed array/string with version information or MDB2 error object
+ * @access public
+ */
+ function getServerVersion($native = false)
+ {
+ $connection = $this->getConnection();
+ if (PEAR::isError($connection)) {
+ return $connection;
+ }
+ if ($this->connected_server_info) {
+ $server_info = $this->connected_server_info;
+ } else {
+ $server_info = @mysqli_get_server_info($connection);
+ }
+ if (!$server_info) {
+ return $this->raiseError(null, null, null,
+ 'Could not get server information', __FUNCTION__);
+ }
+ // cache server_info
+ $this->connected_server_info = $server_info;
+ if (!$native) {
+ $tmp = explode('.', $server_info, 3);
+ if (isset($tmp[2]) && strpos($tmp[2], '-')) {
+ $tmp2 = explode('-', @$tmp[2], 2);
+ } else {
+ $tmp2[0] = isset($tmp[2]) ? $tmp[2] : null;
+ $tmp2[1] = null;
+ }
+ $server_info = array(
+ 'major' => isset($tmp[0]) ? $tmp[0] : null,
+ 'minor' => isset($tmp[1]) ? $tmp[1] : null,
+ 'patch' => $tmp2[0],
+ 'extra' => $tmp2[1],
+ 'native' => $server_info,
+ );
+ }
+ return $server_info;
+ }
+
+ // }}}
+ // {{{ _getServerCapabilities()
+
+ /**
+ * Fetch some information about the server capabilities
+ * (transactions, subselects, prepared statements, etc).
+ *
+ * @access private
+ */
+ function _getServerCapabilities()
+ {
+ if (!$this->server_capabilities_checked) {
+ $this->server_capabilities_checked = true;
+
+ //set defaults
+ $this->supported['sub_selects'] = 'emulated';
+ $this->supported['prepared_statements'] = 'emulated';
+ $this->start_transaction = false;
+ $this->varchar_max_length = 255;
+
+ $server_info = $this->getServerVersion();
+ if (is_array($server_info)) {
+ if (!version_compare($server_info['major'].'.'.$server_info['minor'].'.'.$server_info['patch'], '4.1.0', '<')) {
+ $this->supported['sub_selects'] = true;
+ $this->supported['prepared_statements'] = true;
+ }
+
+ if (!version_compare($server_info['major'].'.'.$server_info['minor'].'.'.$server_info['patch'], '4.0.14', '<')
+ || !version_compare($server_info['major'].'.'.$server_info['minor'].'.'.$server_info['patch'], '4.1.1', '<')
+ ) {
+ $this->supported['savepoints'] = true;
+ }
+
+ if (!version_compare($server_info['major'].'.'.$server_info['minor'].'.'.$server_info['patch'], '4.0.11', '<')) {
+ $this->start_transaction = true;
+ }
+
+ if (!version_compare($server_info['major'].'.'.$server_info['minor'].'.'.$server_info['patch'], '5.0.3', '<')) {
+ $this->varchar_max_length = 65532;
+ }
+ }
+ }
+ }
+
+ // }}}
+ // {{{ function _skipUserDefinedVariable($query, $position)
+
+ /**
+ * Utility method, used by prepare() to avoid misinterpreting MySQL user
+ * defined variables (SELECT @x:=5) for placeholders.
+ * Check if the placeholder is a false positive, i.e. if it is an user defined
+ * variable instead. If so, skip it and advance the position, otherwise
+ * return the current position, which is valid
+ *
+ * @param string $query
+ * @param integer $position current string cursor position
+ * @return integer $new_position
+ * @access protected
+ */
+ function _skipUserDefinedVariable($query, $position)
+ {
+ $found = strpos(strrev(substr($query, 0, $position)), '@');
+ if ($found === false) {
+ return $position;
+ }
+ $pos = strlen($query) - strlen(substr($query, $position)) - $found - 1;
+ $substring = substr($query, $pos, $position - $pos + 2);
+ if (preg_match('/^@\w+\s*:=$/', $substring)) {
+ return $position + 1; //found an user defined variable: skip it
+ }
+ return $position;
+ }
+
+ // }}}
+ // {{{ prepare()
+
+ /**
+ * Prepares a query for multiple execution with execute().
+ * With some database backends, this is emulated.
+ * prepare() requires a generic query as string like
+ * 'INSERT INTO numbers VALUES(?,?)' or
+ * 'INSERT INTO numbers VALUES(:foo,:bar)'.
+ * The ? and :name and are placeholders which can be set using
+ * bindParam() and the query can be sent off using the execute() method.
+ * The allowed format for :name can be set with the 'bindname_format' option.
+ *
+ * @param string $query the query to prepare
+ * @param mixed $types array that contains the types of the placeholders
+ * @param mixed $result_types array that contains the types of the columns in
+ * the result set or MDB2_PREPARE_RESULT, if set to
+ * MDB2_PREPARE_MANIP the query is handled as a manipulation query
+ * @param mixed $lobs key (field) value (parameter) pair for all lob placeholders
+ * @return mixed resource handle for the prepared query on success, a MDB2
+ * error on failure
+ * @access public
+ * @see bindParam, execute
+ */
+ function &prepare($query, $types = null, $result_types = null, $lobs = array())
+ {
+ if ($this->options['emulate_prepared']
+ || $this->supported['prepared_statements'] !== true
+ ) {
+ $obj =& parent::prepare($query, $types, $result_types, $lobs);
+ return $obj;
+ }
+ $is_manip = ($result_types === MDB2_PREPARE_MANIP);
+ $offset = $this->offset;
+ $limit = $this->limit;
+ $this->offset = $this->limit = 0;
+ $query = $this->_modifyQuery($query, $is_manip, $limit, $offset);
+ $result = $this->debug($query, __FUNCTION__, array('is_manip' => $is_manip, 'when' => 'pre'));
+ if ($result) {
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ $query = $result;
+ }
+ $placeholder_type_guess = $placeholder_type = null;
+ $question = '?';
+ $colon = ':';
+ $positions = array();
+ $position = 0;
+ while ($position < strlen($query)) {
+ $q_position = strpos($query, $question, $position);
+ $c_position = strpos($query, $colon, $position);
+ if ($q_position && $c_position) {
+ $p_position = min($q_position, $c_position);
+ } elseif ($q_position) {
+ $p_position = $q_position;
+ } elseif ($c_position) {
+ $p_position = $c_position;
+ } else {
+ break;
+ }
+ if (is_null($placeholder_type)) {
+ $placeholder_type_guess = $query[$p_position];
+ }
+
+ $new_pos = $this->_skipDelimitedStrings($query, $position, $p_position);
+ if (PEAR::isError($new_pos)) {
+ return $new_pos;
+ }
+ if ($new_pos != $position) {
+ $position = $new_pos;
+ continue; //evaluate again starting from the new position
+ }
+
+ //make sure this is not part of an user defined variable
+ $new_pos = $this->_skipUserDefinedVariable($query, $position);
+ if ($new_pos != $position) {
+ $position = $new_pos;
+ continue; //evaluate again starting from the new position
+ }
+
+ if ($query[$position] == $placeholder_type_guess) {
+ if (is_null($placeholder_type)) {
+ $placeholder_type = $query[$p_position];
+ $question = $colon = $placeholder_type;
+ }
+ if ($placeholder_type == ':') {
+ $regexp = '/^.{'.($position+1).'}('.$this->options['bindname_format'].').*$/s';
+ $parameter = preg_replace($regexp, '\\1', $query);
+ if ($parameter === '') {
+ $err =& $this->raiseError(MDB2_ERROR_SYNTAX, null, null,
+ 'named parameter name must match "bindname_format" option', __FUNCTION__);
+ return $err;
+ }
+ $positions[$p_position] = $parameter;
+ $query = substr_replace($query, '?', $position, strlen($parameter)+1);
+ } else {
+ $positions[$p_position] = count($positions);
+ }
+ $position = $p_position + 1;
+ } else {
+ $position = $p_position;
+ }
+ }
+ $connection = $this->getConnection();
+ if (PEAR::isError($connection)) {
+ return $connection;
+ }
+
+ if (!$is_manip) {
+ static $prep_statement_counter = 1;
+ $statement_name = sprintf($this->options['statement_format'], $this->phptype, sha1(microtime() + mt_rand())) . $prep_statement_counter++;
+ $query = "PREPARE $statement_name FROM ".$this->quote($query, 'text');
+
+ $statement =& $this->_doQuery($query, true, $connection);
+ if (PEAR::isError($statement)) {
+ return $statement;
+ }
+ $statement = $statement_name;
+ } else {
+ $statement = @mysqli_prepare($connection, $query);
+ if (!$statement) {
+ $err =& $this->raiseError(null, null, null,
+ 'Unable to create prepared statement handle', __FUNCTION__);
+ return $err;
+ }
+ }
+
+ $class_name = 'MDB2_Statement_'.$this->phptype;
+ $obj = new $class_name($this, $statement, $positions, $query, $types, $result_types, $is_manip, $limit, $offset);
+ $this->debug($query, __FUNCTION__, array('is_manip' => $is_manip, 'when' => 'post', 'result' => $obj));
+ return $obj;
+ }
+
+ // }}}
+ // {{{ replace()
+
+ /**
+ * Execute a SQL REPLACE query. A REPLACE query is identical to a INSERT
+ * query, except that if there is already a row in the table with the same
+ * key field values, the REPLACE query just updates its values instead of
+ * inserting a new row.
+ *
+ * The REPLACE type of query does not make part of the SQL standards. Since
+ * practically only MySQL implements it natively, this type of query is
+ * emulated through this method for other DBMS using standard types of
+ * queries inside a transaction to assure the atomicity of the operation.
+ *
+ * @access public
+ *
+ * @param string $table name of the table on which the REPLACE query will
+ * be executed.
+ * @param array $fields associative array that describes the fields and the
+ * values that will be inserted or updated in the specified table. The
+ * indexes of the array are the names of all the fields of the table. The
+ * values of the array are also associative arrays that describe the
+ * values and other properties of the table fields.
+ *
+ * Here follows a list of field properties that need to be specified:
+ *
+ * value:
+ * Value to be assigned to the specified field. This value may be
+ * of specified in database independent type format as this
+ * function can perform the necessary datatype conversions.
+ *
+ * Default:
+ * this property is required unless the Null property
+ * is set to 1.
+ *
+ * type
+ * Name of the type of the field. Currently, all types Metabase
+ * are supported except for clob and blob.
+ *
+ * Default: no type conversion
+ *
+ * null
+ * Boolean property that indicates that the value for this field
+ * should be set to null.
+ *
+ * The default value for fields missing in INSERT queries may be
+ * specified the definition of a table. Often, the default value
+ * is already null, but since the REPLACE may be emulated using
+ * an UPDATE query, make sure that all fields of the table are
+ * listed in this function argument array.
+ *
+ * Default: 0
+ *
+ * key
+ * Boolean property that indicates that this field should be
+ * handled as a primary key or at least as part of the compound
+ * unique index of the table that will determine the row that will
+ * updated if it exists or inserted a new row otherwise.
+ *
+ * This function will fail if no key field is specified or if the
+ * value of a key field is set to null because fields that are
+ * part of unique index they may not be null.
+ *
+ * Default: 0
+ *
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ */
+ function replace($table, $fields)
+ {
+ $count = count($fields);
+ $query = $values = '';
+ $keys = $colnum = 0;
+ for (reset($fields); $colnum < $count; next($fields), $colnum++) {
+ $name = key($fields);
+ if ($colnum > 0) {
+ $query .= ',';
+ $values.= ',';
+ }
+ $query.= $name;
+ if (isset($fields[$name]['null']) && $fields[$name]['null']) {
+ $value = 'NULL';
+ } else {
+ $type = isset($fields[$name]['type']) ? $fields[$name]['type'] : null;
+ $value = $this->quote($fields[$name]['value'], $type);
+ if (PEAR::isError($value)) {
+ return $value;
+ }
+ }
+ $values.= $value;
+ if (isset($fields[$name]['key']) && $fields[$name]['key']) {
+ if ($value === 'NULL') {
+ return $this->raiseError(MDB2_ERROR_CANNOT_REPLACE, null, null,
+ 'key value '.$name.' may not be NULL', __FUNCTION__);
+ }
+ $keys++;
+ }
+ }
+ if ($keys == 0) {
+ return $this->raiseError(MDB2_ERROR_CANNOT_REPLACE, null, null,
+ 'not specified which fields are keys', __FUNCTION__);
+ }
+
+ $connection = $this->getConnection();
+ if (PEAR::isError($connection)) {
+ return $connection;
+ }
+
+ $query = "REPLACE INTO $table ($query) VALUES ($values)";
+ $result =& $this->_doQuery($query, true, $connection);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ return $this->_affectedRows($connection, $result);
+ }
+
+ // }}}
+ // {{{ nextID()
+
+ /**
+ * Returns the next free id of a sequence
+ *
+ * @param string $seq_name name of the sequence
+ * @param boolean $ondemand when true the sequence is
+ * automatic created, if it
+ * not exists
+ *
+ * @return mixed MDB2 Error Object or id
+ * @access public
+ */
+ function nextID($seq_name, $ondemand = true)
+ {
+ $sequence_name = $this->quoteIdentifier($this->getSequenceName($seq_name), true);
+ $seqcol_name = $this->quoteIdentifier($this->options['seqcol_name'], true);
+ $query = "INSERT INTO $sequence_name ($seqcol_name) VALUES (NULL)";
+ $this->expectError(MDB2_ERROR_NOSUCHTABLE);
+ $result =& $this->_doQuery($query, true);
+ $this->popExpect();
+ if (PEAR::isError($result)) {
+ if ($ondemand && $result->getCode() == MDB2_ERROR_NOSUCHTABLE) {
+ $this->loadModule('Manager', null, true);
+ $result = $this->manager->createSequence($seq_name);
+ if (PEAR::isError($result)) {
+ return $this->raiseError($result, null, null,
+ 'on demand sequence '.$seq_name.' could not be created', __FUNCTION__);
+ } else {
+ return $this->nextID($seq_name, false);
+ }
+ }
+ return $result;
+ }
+ $value = $this->lastInsertID();
+ if (is_numeric($value)) {
+ $query = "DELETE FROM $sequence_name WHERE $seqcol_name < $value";
+ $result =& $this->_doQuery($query, true);
+ if (PEAR::isError($result)) {
+ $this->warnings[] = 'nextID: could not delete previous sequence table values from '.$seq_name;
+ }
+ }
+ return $value;
+ }
+
+ // }}}
+ // {{{ lastInsertID()
+
+ /**
+ * Returns the autoincrement ID if supported or $id or fetches the current
+ * ID in a sequence called: $table.(empty($field) ? '' : '_'.$field)
+ *
+ * @param string $table name of the table into which a new row was inserted
+ * @param string $field name of the field into which a new row was inserted
+ * @return mixed MDB2 Error Object or id
+ * @access public
+ */
+ function lastInsertID($table = null, $field = null)
+ {
+ // not using mysql_insert_id() due to http://pear.php.net/bugs/bug.php?id=8051
+ return $this->queryOne('SELECT LAST_INSERT_ID()', 'integer');
+ }
+
+ // }}}
+ // {{{ currID()
+
+ /**
+ * Returns the current id of a sequence
+ *
+ * @param string $seq_name name of the sequence
+ * @return mixed MDB2 Error Object or id
+ * @access public
+ */
+ function currID($seq_name)
+ {
+ $sequence_name = $this->quoteIdentifier($this->getSequenceName($seq_name), true);
+ $seqcol_name = $this->quoteIdentifier($this->options['seqcol_name'], true);
+ $query = "SELECT MAX($seqcol_name) FROM $sequence_name";
+ return $this->queryOne($query, 'integer');
+ }
+}
+
+/**
+ * MDB2 MySQLi result driver
+ *
+ * @package MDB2
+ * @category Database
+ * @author Lukas Smith <smith@pooteeweet.org>
+ */
+class MDB2_Result_mysqli extends MDB2_Result_Common
+{
+ // }}}
+ // {{{ fetchRow()
+
+ /**
+ * Fetch a row and insert the data into an existing array.
+ *
+ * @param int $fetchmode how the array data should be indexed
+ * @param int $rownum number of the row where the data can be found
+ * @return int data array on success, a MDB2 error on failure
+ * @access public
+ */
+ function &fetchRow($fetchmode = MDB2_FETCHMODE_DEFAULT, $rownum = null)
+ {
+ if (!is_null($rownum)) {
+ $seek = $this->seek($rownum);
+ if (PEAR::isError($seek)) {
+ return $seek;
+ }
+ }
+ if ($fetchmode == MDB2_FETCHMODE_DEFAULT) {
+ $fetchmode = $this->db->fetchmode;
+ }
+ if ($fetchmode & MDB2_FETCHMODE_ASSOC) {
+ $row = @mysqli_fetch_assoc($this->result);
+ if (is_array($row)
+ && $this->db->options['portability'] & MDB2_PORTABILITY_FIX_CASE
+ ) {
+ $row = array_change_key_case($row, $this->db->options['field_case']);
+ }
+ } else {
+ $row = @mysqli_fetch_row($this->result);
+ }
+
+ if (!$row) {
+ if ($this->result === false) {
+ $err =& $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
+ 'resultset has already been freed', __FUNCTION__);
+ return $err;
+ }
+ $null = null;
+ return $null;
+ }
+ $mode = $this->db->options['portability'] & MDB2_PORTABILITY_EMPTY_TO_NULL;
+ $rtrim = false;
+ if ($this->db->options['portability'] & MDB2_PORTABILITY_RTRIM) {
+ if (empty($this->types)) {
+ $mode += MDB2_PORTABILITY_RTRIM;
+ } else {
+ $rtrim = true;
+ }
+ }
+ if ($mode) {
+ $this->db->_fixResultArrayValues($row, $mode);
+ }
+ if (!empty($this->types)) {
+ $row = $this->db->datatype->convertResultRow($this->types, $row, $rtrim);
+ }
+ if (!empty($this->values)) {
+ $this->_assignBindColumns($row);
+ }
+ if ($fetchmode === MDB2_FETCHMODE_OBJECT) {
+ $object_class = $this->db->options['fetch_class'];
+ if ($object_class == 'stdClass') {
+ $row = (object) $row;
+ } else {
+ $row = &new $object_class($row);
+ }
+ }
+ ++$this->rownum;
+ return $row;
+ }
+
+ // }}}
+ // {{{ _getColumnNames()
+
+ /**
+ * Retrieve the names of columns returned by the DBMS in a query result.
+ *
+ * @return mixed Array variable that holds the names of columns as keys
+ * or an MDB2 error on failure.
+ * Some DBMS may not return any columns when the result set
+ * does not contain any rows.
+ * @access private
+ */
+ function _getColumnNames()
+ {
+ $columns = array();
+ $numcols = $this->numCols();
+ if (PEAR::isError($numcols)) {
+ return $numcols;
+ }
+ for ($column = 0; $column < $numcols; $column++) {
+ $column_info = @mysqli_fetch_field_direct($this->result, $column);
+ $columns[$column_info->name] = $column;
+ }
+ if ($this->db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $columns = array_change_key_case($columns, $this->db->options['field_case']);
+ }
+ return $columns;
+ }
+
+ // }}}
+ // {{{ numCols()
+
+ /**
+ * Count the number of columns returned by the DBMS in a query result.
+ *
+ * @return mixed integer value with the number of columns, a MDB2 error
+ * on failure
+ * @access public
+ */
+ function numCols()
+ {
+ $cols = @mysqli_num_fields($this->result);
+ if (is_null($cols)) {
+ if ($this->result === false) {
+ return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
+ 'resultset has already been freed', __FUNCTION__);
+ } elseif (is_null($this->result)) {
+ return count($this->types);
+ }
+ return $this->db->raiseError(null, null, null,
+ 'Could not get column count', __FUNCTION__);
+ }
+ return $cols;
+ }
+
+ // }}}
+ // {{{ nextResult()
+
+ /**
+ * Move the internal result pointer to the next available result
+ *
+ * @return true on success, false if there is no more result set or an error object on failure
+ * @access public
+ */
+ function nextResult()
+ {
+ $connection = $this->db->getConnection();
+ if (PEAR::isError($connection)) {
+ return $connection;
+ }
+
+ if (!@mysqli_more_results($connection)) {
+ return false;
+ }
+ if (!@mysqli_next_result($connection)) {
+ return false;
+ }
+ if (!($this->result = @mysqli_use_result($connection))) {
+ return false;
+ }
+ return MDB2_OK;
+ }
+
+ // }}}
+ // {{{ free()
+
+ /**
+ * Free the internal resources associated with result.
+ *
+ * @return boolean true on success, false if result is invalid
+ * @access public
+ */
+ function free()
+ {
+ if (is_object($this->result) && $this->db->connection) {
+ $free = @mysqli_free_result($this->result);
+ if ($free === false) {
+ return $this->db->raiseError(null, null, null,
+ 'Could not free result', __FUNCTION__);
+ }
+ }
+ $this->result = false;
+ return MDB2_OK;
+ }
+}
+
+/**
+ * MDB2 MySQLi buffered result driver
+ *
+ * @package MDB2
+ * @category Database
+ * @author Lukas Smith <smith@pooteeweet.org>
+ */
+class MDB2_BufferedResult_mysqli extends MDB2_Result_mysqli
+{
+ // }}}
+ // {{{ seek()
+
+ /**
+ * Seek to a specific row in a result set
+ *
+ * @param int $rownum number of the row where the data can be found
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function seek($rownum = 0)
+ {
+ if ($this->rownum != ($rownum - 1) && !@mysqli_data_seek($this->result, $rownum)) {
+ if ($this->result === false) {
+ return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
+ 'resultset has already been freed', __FUNCTION__);
+ } elseif (is_null($this->result)) {
+ return MDB2_OK;
+ }
+ return $this->db->raiseError(MDB2_ERROR_INVALID, null, null,
+ 'tried to seek to an invalid row number ('.$rownum.')', __FUNCTION__);
+ }
+ $this->rownum = $rownum - 1;
+ return MDB2_OK;
+ }
+
+ // }}}
+ // {{{ valid()
+
+ /**
+ * Check if the end of the result set has been reached
+ *
+ * @return mixed true or false on sucess, a MDB2 error on failure
+ * @access public
+ */
+ function valid()
+ {
+ $numrows = $this->numRows();
+ if (PEAR::isError($numrows)) {
+ return $numrows;
+ }
+ return $this->rownum < ($numrows - 1);
+ }
+
+ // }}}
+ // {{{ numRows()
+
+ /**
+ * Returns the number of rows in a result object
+ *
+ * @return mixed MDB2 Error Object or the number of rows
+ * @access public
+ */
+ function numRows()
+ {
+ $rows = @mysqli_num_rows($this->result);
+ if (is_null($rows)) {
+ if ($this->result === false) {
+ return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
+ 'resultset has already been freed', __FUNCTION__);
+ } elseif (is_null($this->result)) {
+ return 0;
+ }
+ return $this->db->raiseError(null, null, null,
+ 'Could not get row count', __FUNCTION__);
+ }
+ return $rows;
+ }
+
+ // }}}
+ // {{{ nextResult()
+
+ /**
+ * Move the internal result pointer to the next available result
+ *
+ * @param a valid result resource
+ * @return true on success, false if there is no more result set or an error object on failure
+ * @access public
+ */
+ function nextResult()
+ {
+ $connection = $this->db->getConnection();
+ if (PEAR::isError($connection)) {
+ return $connection;
+ }
+
+ if (!@mysqli_more_results($connection)) {
+ return false;
+ }
+ if (!@mysqli_next_result($connection)) {
+ return false;
+ }
+ if (!($this->result = @mysqli_store_result($connection))) {
+ return false;
+ }
+ return MDB2_OK;
+ }
+}
+
+/**
+ * MDB2 MySQLi statement driver
+ *
+ * @package MDB2
+ * @category Database
+ * @author Lukas Smith <smith@pooteeweet.org>
+ */
+class MDB2_Statement_mysqli extends MDB2_Statement_Common
+{
+ // {{{ _execute()
+
+ /**
+ * Execute a prepared query statement helper method.
+ *
+ * @param mixed $result_class string which specifies which result class to use
+ * @param mixed $result_wrap_class string which specifies which class to wrap results in
+ * @return mixed a result handle or MDB2_OK on success, a MDB2 error on failure
+ * @access private
+ */
+ function &_execute($result_class = true, $result_wrap_class = false)
+ {
+ if (is_null($this->statement)) {
+ $result =& parent::_execute($result_class, $result_wrap_class);
+ return $result;
+ }
+ $this->db->last_query = $this->query;
+ $this->db->debug($this->query, 'execute', array('is_manip' => $this->is_manip, 'when' => 'pre', 'parameters' => $this->values));
+ if ($this->db->getOption('disable_query')) {
+ $result = $this->is_manip ? 0 : null;
+ return $result;
+ }
+
+ $connection = $this->db->getConnection();
+ if (PEAR::isError($connection)) {
+ return $connection;
+ }
+
+ if (!is_object($this->statement)) {
+ $query = 'EXECUTE '.$this->statement;
+ }
+ if (!empty($this->positions)) {
+ $parameters = array(0 => $this->statement, 1 => '');
+ $lobs = array();
+ $i = 0;
+ foreach ($this->positions as $parameter) {
+ if (!array_key_exists($parameter, $this->values)) {
+ return $this->db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+ 'Unable to bind to missing placeholder: '.$parameter, __FUNCTION__);
+ }
+ $value = $this->values[$parameter];
+ $type = array_key_exists($parameter, $this->types) ? $this->types[$parameter] : null;
+ if (!is_object($this->statement)) {
+ if (is_resource($value) || $type == 'clob' || $type == 'blob' && $this->db->options['lob_allow_url_include']) {
+ if (!is_resource($value) && preg_match('/^(\w+:\/\/)(.*)$/', $value, $match)) {
+ if ($match[1] == 'file://') {
+ $value = $match[2];
+ }
+ $value = @fopen($value, 'r');
+ $close = true;
+ }
+ if (is_resource($value)) {
+ $data = '';
+ while (!@feof($value)) {
+ $data.= @fread($value, $this->db->options['lob_buffer_length']);
+ }
+ if ($close) {
+ @fclose($value);
+ }
+ $value = $data;
+ }
+ }
+ $quoted = $this->db->quote($value, $type);
+ if (PEAR::isError($quoted)) {
+ return $quoted;
+ }
+ $param_query = 'SET @'.$parameter.' = '.$quoted;
+ $result = $this->db->_doQuery($param_query, true, $connection);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ } else {
+ if (is_resource($value) || $type == 'clob' || $type == 'blob') {
+ $parameters[] = null;
+ $parameters[1].= 'b';
+ $lobs[$i] = $parameter;
+ } else {
+ $quoted = $this->db->quote($value, $type, false);
+ if (PEAR::isError($quoted)) {
+ return $quoted;
+ }
+ $parameters[] = $quoted;
+ $parameters[1].= $this->db->datatype->mapPrepareDatatype($type);
+ }
+ ++$i;
+ }
+ }
+
+ if (!is_object($this->statement)) {
+ $query.= ' USING @'.implode(', @', array_values($this->positions));
+ } else {
+ $result = @call_user_func_array('mysqli_stmt_bind_param', $parameters);
+ if ($result === false) {
+ $err =& $this->db->raiseError(null, null, null,
+ 'Unable to bind parameters', __FUNCTION__);
+ return $err;
+ }
+
+ foreach ($lobs as $i => $parameter) {
+ $value = $this->values[$parameter];
+ $close = false;
+ if (!is_resource($value)) {
+ $close = true;
+ if (preg_match('/^(\w+:\/\/)(.*)$/', $value, $match)) {
+ if ($match[1] == 'file://') {
+ $value = $match[2];
+ }
+ $value = @fopen($value, 'r');
+ } else {
+ $fp = @tmpfile();
+ @fwrite($fp, $value);
+ @rewind($fp);
+ $value = $fp;
+ }
+ }
+ while (!@feof($value)) {
+ $data = @fread($value, $this->db->options['lob_buffer_length']);
+ @mysqli_stmt_send_long_data($this->statement, $i, $data);
+ }
+ if ($close) {
+ @fclose($value);
+ }
+ }
+ }
+ }
+
+ if (!is_object($this->statement)) {
+ $result = $this->db->_doQuery($query, $this->is_manip, $connection);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+
+ if ($this->is_manip) {
+ $affected_rows = $this->db->_affectedRows($connection, $result);
+ return $affected_rows;
+ }
+
+ $result =& $this->db->_wrapResult($result, $this->result_types,
+ $result_class, $result_wrap_class, $this->limit, $this->offset);
+ } else {
+ if (!@mysqli_stmt_execute($this->statement)) {
+ $err =& $this->db->raiseError(null, null, null,
+ 'Unable to execute statement', __FUNCTION__);
+ return $err;
+ }
+
+ if ($this->is_manip) {
+ $affected_rows = @mysqli_stmt_affected_rows($this->statement);
+ return $affected_rows;
+ }
+
+ if ($this->db->options['result_buffering']) {
+ @mysqli_stmt_store_result($this->statement);
+ }
+
+ $result =& $this->db->_wrapResult($this->statement, $this->result_types,
+ $result_class, $result_wrap_class, $this->limit, $this->offset);
+ }
+
+ $this->db->debug($this->query, 'execute', array('is_manip' => $this->is_manip, 'when' => 'post', 'result' => $result));
+ return $result;
+ }
+
+ // }}}
+ // {{{ free()
+
+ /**
+ * Release resources allocated for the specified prepared query.
+ *
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function free()
+ {
+ if (is_null($this->positions)) {
+ return $this->db->raiseError(MDB2_ERROR, null, null,
+ 'Prepared statement has already been freed', __FUNCTION__);
+ }
+ $result = MDB2_OK;
+
+ if (is_object($this->statement)) {
+ if (!@mysqli_stmt_close($this->statement)) {
+ $result = $this->db->raiseError(null, null, null,
+ 'Could not free statement', __FUNCTION__);
+ }
+ } elseif (!is_null($this->statement)) {
+ $connection = $this->db->getConnection();
+ if (PEAR::isError($connection)) {
+ return $connection;
+ }
+
+ $query = 'DEALLOCATE PREPARE '.$this->statement;
+ $result = $this->db->_doQuery($query, true, $connection);
+ }
+
+ parent::free();
+ return $result;
+ }
+}
+?>
\ No newline at end of file diff --git a/program/lib/MDB2/Driver/pgsql.php b/program/lib/MDB2/Driver/pgsql.php new file mode 100644 index 000000000..49ab1218a --- /dev/null +++ b/program/lib/MDB2/Driver/pgsql.php @@ -0,0 +1,1470 @@ +<?php
+// vim: set et ts=4 sw=4 fdm=marker:
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2006 Manuel Lemos, Tomas V.V.Cox, |
+// | Stig. S. Bakken, Lukas Smith |
+// | All rights reserved. |
+// +----------------------------------------------------------------------+
+// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB |
+// | API as well as database abstraction for PHP applications. |
+// | This LICENSE is in the BSD license style. |
+// | |
+// | Redistribution and use in source and binary forms, with or without |
+// | modification, are permitted provided that the following conditions |
+// | are met: |
+// | |
+// | Redistributions of source code must retain the above copyright |
+// | notice, this list of conditions and the following disclaimer. |
+// | |
+// | Redistributions in binary form must reproduce the above copyright |
+// | notice, this list of conditions and the following disclaimer in the |
+// | documentation and/or other materials provided with the distribution. |
+// | |
+// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, |
+// | Lukas Smith nor the names of his contributors may be used to endorse |
+// | or promote products derived from this software without specific prior|
+// | written permission. |
+// | |
+// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
+// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
+// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
+// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
+// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
+// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
+// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
+// | OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
+// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
+// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
+// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
+// | POSSIBILITY OF SUCH DAMAGE. |
+// +----------------------------------------------------------------------+
+// | Author: Paul Cooper <pgc@ucecom.com> |
+// +----------------------------------------------------------------------+
+//
+// $Id: pgsql.php,v 1.186 2007/11/10 13:27:03 quipo Exp $
+
+/**
+ * MDB2 PostGreSQL driver
+ *
+ * @package MDB2
+ * @category Database
+ * @author Paul Cooper <pgc@ucecom.com>
+ */
+class MDB2_Driver_pgsql extends MDB2_Driver_Common
+{
+ // {{{ properties
+ var $string_quoting = array('start' => "'", 'end' => "'", 'escape' => "'", 'escape_pattern' => '\\');
+
+ var $identifier_quoting = array('start' => '"', 'end' => '"', 'escape' => '"');
+ // }}}
+ // {{{ constructor
+
+ /**
+ * Constructor
+ */
+ function __construct()
+ {
+ parent::__construct();
+
+ $this->phptype = 'pgsql';
+ $this->dbsyntax = 'pgsql';
+
+ $this->supported['sequences'] = true;
+ $this->supported['indexes'] = true;
+ $this->supported['affected_rows'] = true;
+ $this->supported['summary_functions'] = true;
+ $this->supported['order_by_text'] = true;
+ $this->supported['transactions'] = true;
+ $this->supported['savepoints'] = true;
+ $this->supported['current_id'] = true;
+ $this->supported['limit_queries'] = true;
+ $this->supported['LOBs'] = true;
+ $this->supported['replace'] = 'emulated';
+ $this->supported['sub_selects'] = true;
+ $this->supported['auto_increment'] = 'emulated';
+ $this->supported['primary_key'] = true;
+ $this->supported['result_introspection'] = true;
+ $this->supported['prepared_statements'] = true;
+ $this->supported['identifier_quoting'] = true;
+ $this->supported['pattern_escaping'] = true;
+ $this->supported['new_link'] = true;
+
+ $this->options['multi_query'] = false;
+ $this->options['disable_smart_seqname'] = false;
+ }
+
+ // }}}
+ // {{{ errorInfo()
+
+ /**
+ * This method is used to collect information about an error
+ *
+ * @param integer $error
+ * @return array
+ * @access public
+ */
+ function errorInfo($error = null)
+ {
+ // Fall back to MDB2_ERROR if there was no mapping.
+ $error_code = MDB2_ERROR;
+
+ $native_msg = '';
+ if (is_resource($error)) {
+ $native_msg = @pg_result_error($error);
+ } elseif ($this->connection) {
+ $native_msg = @pg_last_error($this->connection);
+ if (!$native_msg && @pg_connection_status($this->connection) === PGSQL_CONNECTION_BAD) {
+ $native_msg = 'Database connection has been lost.';
+ $error_code = MDB2_ERROR_CONNECT_FAILED;
+ }
+ }
+
+ static $error_regexps;
+ if (empty($error_regexps)) {
+ $error_regexps = array(
+ '/column .* (of relation .*)?does not exist/i'
+ => MDB2_ERROR_NOSUCHFIELD,
+ '/(relation|sequence|table).*does not exist|class .* not found/i'
+ => MDB2_ERROR_NOSUCHTABLE,
+ '/index .* does not exist/'
+ => MDB2_ERROR_NOT_FOUND,
+ '/relation .* already exists/i'
+ => MDB2_ERROR_ALREADY_EXISTS,
+ '/(divide|division) by zero$/i'
+ => MDB2_ERROR_DIVZERO,
+ '/pg_atoi: error in .*: can\'t parse /i'
+ => MDB2_ERROR_INVALID_NUMBER,
+ '/invalid input syntax for( type)? (integer|numeric)/i'
+ => MDB2_ERROR_INVALID_NUMBER,
+ '/value .* is out of range for type \w*int/i'
+ => MDB2_ERROR_INVALID_NUMBER,
+ '/integer out of range/i'
+ => MDB2_ERROR_INVALID_NUMBER,
+ '/value too long for type character/i'
+ => MDB2_ERROR_INVALID,
+ '/attribute .* not found|relation .* does not have attribute/i'
+ => MDB2_ERROR_NOSUCHFIELD,
+ '/column .* specified in USING clause does not exist in (left|right) table/i'
+ => MDB2_ERROR_NOSUCHFIELD,
+ '/parser: parse error at or near/i'
+ => MDB2_ERROR_SYNTAX,
+ '/syntax error at/'
+ => MDB2_ERROR_SYNTAX,
+ '/column reference .* is ambiguous/i'
+ => MDB2_ERROR_SYNTAX,
+ '/permission denied/'
+ => MDB2_ERROR_ACCESS_VIOLATION,
+ '/violates not-null constraint/'
+ => MDB2_ERROR_CONSTRAINT_NOT_NULL,
+ '/violates [\w ]+ constraint/'
+ => MDB2_ERROR_CONSTRAINT,
+ '/referential integrity violation/'
+ => MDB2_ERROR_CONSTRAINT,
+ '/more expressions than target columns/i'
+ => MDB2_ERROR_VALUE_COUNT_ON_ROW,
+ );
+ }
+ if (is_numeric($error) && $error < 0) {
+ $error_code = $error;
+ } else {
+ foreach ($error_regexps as $regexp => $code) {
+ if (preg_match($regexp, $native_msg)) {
+ $error_code = $code;
+ break;
+ }
+ }
+ }
+ return array($error_code, null, $native_msg);
+ }
+
+ // }}}
+ // {{{ escape()
+
+ /**
+ * Quotes a string so it can be safely used in a query. It will quote
+ * the text so it can safely be used within a query.
+ *
+ * @param string the input string to quote
+ * @param bool escape wildcards
+ *
+ * @return string quoted string
+ *
+ * @access public
+ */
+ function escape($text, $escape_wildcards = false)
+ {
+ if ($escape_wildcards) {
+ $text = $this->escapePattern($text);
+ }
+ $connection = $this->getConnection();
+ if (PEAR::isError($connection)) {
+ return $connection;
+ }
+ if (version_compare(PHP_VERSION, '5.2.0RC5', '>=')) {
+ $text = @pg_escape_string($connection, $text);
+ } else {
+ $text = @pg_escape_string($text);
+ }
+ return $text;
+ }
+
+ // }}}
+ // {{{ beginTransaction()
+
+ /**
+ * Start a transaction or set a savepoint.
+ *
+ * @param string name of a savepoint to set
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ *
+ * @access public
+ */
+ function beginTransaction($savepoint = null)
+ {
+ $this->debug('Starting transaction/savepoint', __FUNCTION__, array('is_manip' => true, 'savepoint' => $savepoint));
+ if (!is_null($savepoint)) {
+ if (!$this->in_transaction) {
+ return $this->raiseError(MDB2_ERROR_INVALID, null, null,
+ 'savepoint cannot be released when changes are auto committed', __FUNCTION__);
+ }
+ $query = 'SAVEPOINT '.$savepoint;
+ return $this->_doQuery($query, true);
+ } elseif ($this->in_transaction) {
+ return MDB2_OK; //nothing to do
+ }
+ if (!$this->destructor_registered && $this->opened_persistent) {
+ $this->destructor_registered = true;
+ register_shutdown_function('MDB2_closeOpenTransactions');
+ }
+ $result =& $this->_doQuery('BEGIN', true);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ $this->in_transaction = true;
+ return MDB2_OK;
+ }
+
+ // }}}
+ // {{{ commit()
+
+ /**
+ * Commit the database changes done during a transaction that is in
+ * progress or release a savepoint. This function may only be called when
+ * auto-committing is disabled, otherwise it will fail. Therefore, a new
+ * transaction is implicitly started after committing the pending changes.
+ *
+ * @param string name of a savepoint to release
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ *
+ * @access public
+ */
+ function commit($savepoint = null)
+ {
+ $this->debug('Committing transaction/savepoint', __FUNCTION__, array('is_manip' => true, 'savepoint' => $savepoint));
+ if (!$this->in_transaction) {
+ return $this->raiseError(MDB2_ERROR_INVALID, null, null,
+ 'commit/release savepoint cannot be done changes are auto committed', __FUNCTION__);
+ }
+ if (!is_null($savepoint)) {
+ $query = 'RELEASE SAVEPOINT '.$savepoint;
+ return $this->_doQuery($query, true);
+ }
+
+ $result =& $this->_doQuery('COMMIT', true);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ $this->in_transaction = false;
+ return MDB2_OK;
+ }
+
+ // }}}
+ // {{{ rollback()
+
+ /**
+ * Cancel any database changes done during a transaction or since a specific
+ * savepoint that is in progress. This function may only be called when
+ * auto-committing is disabled, otherwise it will fail. Therefore, a new
+ * transaction is implicitly started after canceling the pending changes.
+ *
+ * @param string name of a savepoint to rollback to
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ *
+ * @access public
+ */
+ function rollback($savepoint = null)
+ {
+ $this->debug('Rolling back transaction/savepoint', __FUNCTION__, array('is_manip' => true, 'savepoint' => $savepoint));
+ if (!$this->in_transaction) {
+ return $this->raiseError(MDB2_ERROR_INVALID, null, null,
+ 'rollback cannot be done changes are auto committed', __FUNCTION__);
+ }
+ if (!is_null($savepoint)) {
+ $query = 'ROLLBACK TO SAVEPOINT '.$savepoint;
+ return $this->_doQuery($query, true);
+ }
+
+ $query = 'ROLLBACK';
+ $result =& $this->_doQuery($query, true);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ $this->in_transaction = false;
+ return MDB2_OK;
+ }
+
+ // }}}
+ // {{{ function setTransactionIsolation()
+
+ /**
+ * Set the transacton isolation level.
+ *
+ * @param string standard isolation level
+ * READ UNCOMMITTED (allows dirty reads)
+ * READ COMMITTED (prevents dirty reads)
+ * REPEATABLE READ (prevents nonrepeatable reads)
+ * SERIALIZABLE (prevents phantom reads)
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ *
+ * @access public
+ * @since 2.1.1
+ */
+ function setTransactionIsolation($isolation)
+ {
+ $this->debug('Setting transaction isolation level', __FUNCTION__, array('is_manip' => true));
+ switch ($isolation) {
+ case 'READ UNCOMMITTED':
+ case 'READ COMMITTED':
+ case 'REPEATABLE READ':
+ case 'SERIALIZABLE':
+ break;
+ default:
+ return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'isolation level is not supported: '.$isolation, __FUNCTION__);
+ }
+
+ $query = "SET SESSION CHARACTERISTICS AS TRANSACTION ISOLATION LEVEL $isolation";
+ return $this->_doQuery($query, true);
+ }
+
+ // }}}
+ // {{{ _doConnect()
+
+ /**
+ * Does the grunt work of connecting to the database
+ *
+ * @return mixed connection resource on success, MDB2 Error Object on failure
+ * @access protected
+ **/
+ function _doConnect($database_name, $persistent = false)
+ {
+ if ($database_name == '') {
+ $database_name = 'template1';
+ }
+
+ $protocol = $this->dsn['protocol'] ? $this->dsn['protocol'] : 'tcp';
+
+ $params = array('');
+ if ($protocol == 'tcp') {
+ if ($this->dsn['hostspec']) {
+ $params[0].= 'host=' . $this->dsn['hostspec'];
+ }
+ if ($this->dsn['port']) {
+ $params[0].= ' port=' . $this->dsn['port'];
+ }
+ } elseif ($protocol == 'unix') {
+ // Allow for pg socket in non-standard locations.
+ if ($this->dsn['socket']) {
+ $params[0].= 'host=' . $this->dsn['socket'];
+ }
+ if ($this->dsn['port']) {
+ $params[0].= ' port=' . $this->dsn['port'];
+ }
+ }
+ if ($database_name) {
+ $params[0].= ' dbname=\'' . addslashes($database_name) . '\'';
+ }
+ if ($this->dsn['username']) {
+ $params[0].= ' user=\'' . addslashes($this->dsn['username']) . '\'';
+ }
+ if ($this->dsn['password']) {
+ $params[0].= ' password=\'' . addslashes($this->dsn['password']) . '\'';
+ }
+ if (!empty($this->dsn['options'])) {
+ $params[0].= ' options=' . $this->dsn['options'];
+ }
+ if (!empty($this->dsn['tty'])) {
+ $params[0].= ' tty=' . $this->dsn['tty'];
+ }
+ if (!empty($this->dsn['connect_timeout'])) {
+ $params[0].= ' connect_timeout=' . $this->dsn['connect_timeout'];
+ }
+ if (!empty($this->dsn['sslmode'])) {
+ $params[0].= ' sslmode=' . $this->dsn['sslmode'];
+ }
+ if (!empty($this->dsn['service'])) {
+ $params[0].= ' service=' . $this->dsn['service'];
+ }
+
+ if (!empty($this->dsn['new_link'])
+ && ($this->dsn['new_link'] == 'true' || $this->dsn['new_link'] === true))
+ {
+ if (version_compare(phpversion(), '4.3.0', '>=')) {
+ $params[] = PGSQL_CONNECT_FORCE_NEW;
+ }
+ }
+
+ $connect_function = $persistent ? 'pg_pconnect' : 'pg_connect';
+
+ $connection = @call_user_func_array($connect_function, $params);
+ if (!$connection) {
+ return $this->raiseError(MDB2_ERROR_CONNECT_FAILED, null, null,
+ 'unable to establish a connection', __FUNCTION__);
+ }
+
+ if (empty($this->dsn['disable_iso_date'])) {
+ if (!@pg_query($connection, "SET SESSION DATESTYLE = 'ISO'")) {
+ return $this->raiseError(null, null, null,
+ 'Unable to set date style to iso', __FUNCTION__);
+ }
+ }
+
+ if (!empty($this->dsn['charset'])) {
+ $result = $this->setCharset($this->dsn['charset'], $connection);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ }
+
+ return $connection;
+ }
+
+ // }}}
+ // {{{ connect()
+
+ /**
+ * Connect to the database
+ *
+ * @return true on success, MDB2 Error Object on failure
+ * @access public
+ **/
+ function connect()
+ {
+ if (is_resource($this->connection)) {
+ //if (count(array_diff($this->connected_dsn, $this->dsn)) == 0
+ if (MDB2::areEquals($this->connected_dsn, $this->dsn)
+ && $this->connected_database_name == $this->database_name
+ && ($this->opened_persistent == $this->options['persistent'])
+ ) {
+ return MDB2_OK;
+ }
+ $this->disconnect(false);
+ }
+
+ if (!PEAR::loadExtension($this->phptype)) {
+ return $this->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+ 'extension '.$this->phptype.' is not compiled into PHP', __FUNCTION__);
+ }
+
+ if ($this->database_name) {
+ $connection = $this->_doConnect($this->database_name, $this->options['persistent']);
+ if (PEAR::isError($connection)) {
+ return $connection;
+ }
+ $this->connection = $connection;
+ $this->connected_dsn = $this->dsn;
+ $this->connected_database_name = $this->database_name;
+ $this->opened_persistent = $this->options['persistent'];
+ $this->dbsyntax = $this->dsn['dbsyntax'] ? $this->dsn['dbsyntax'] : $this->phptype;
+ }
+ return MDB2_OK;
+ }
+
+ // }}}
+ // {{{ setCharset()
+
+ /**
+ * Set the charset on the current connection
+ *
+ * @param string charset
+ * @param resource connection handle
+ *
+ * @return true on success, MDB2 Error Object on failure
+ */
+ function setCharset($charset, $connection = null)
+ {
+ if (is_null($connection)) {
+ $connection = $this->getConnection();
+ if (PEAR::isError($connection)) {
+ return $connection;
+ }
+ }
+
+ $result = @pg_set_client_encoding($connection, $charset);
+ if ($result == -1) {
+ return $this->raiseError(null, null, null,
+ 'Unable to set client charset: '.$charset, __FUNCTION__);
+ }
+ return MDB2_OK;
+ }
+
+ // }}}
+ // {{{ disconnect()
+
+ /**
+ * Log out and disconnect from the database.
+ *
+ * @param boolean $force if the disconnect should be forced even if the
+ * connection is opened persistently
+ * @return mixed true on success, false if not connected and error
+ * object on error
+ * @access public
+ */
+ function disconnect($force = true)
+ {
+ if (is_resource($this->connection)) {
+ if ($this->in_transaction) {
+ $dsn = $this->dsn;
+ $database_name = $this->database_name;
+ $persistent = $this->options['persistent'];
+ $this->dsn = $this->connected_dsn;
+ $this->database_name = $this->connected_database_name;
+ $this->options['persistent'] = $this->opened_persistent;
+ $this->rollback();
+ $this->dsn = $dsn;
+ $this->database_name = $database_name;
+ $this->options['persistent'] = $persistent;
+ }
+
+ if (!$this->opened_persistent || $force) {
+ @pg_close($this->connection);
+ }
+ }
+ return parent::disconnect($force);
+ }
+
+ // }}}
+ // {{{ standaloneQuery()
+
+ /**
+ * execute a query as DBA
+ *
+ * @param string $query the SQL query
+ * @param mixed $types array that contains the types of the columns in
+ * the result set
+ * @param boolean $is_manip if the query is a manipulation query
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function &standaloneQuery($query, $types = null, $is_manip = false)
+ {
+ $connection = $this->_doConnect('template1', false);
+ if (PEAR::isError($connection)) {
+ $err =& $this->raiseError(MDB2_ERROR_CONNECT_FAILED, null, null,
+ 'Cannot connect to template1', __FUNCTION__);
+ return $err;
+ }
+
+ $offset = $this->offset;
+ $limit = $this->limit;
+ $this->offset = $this->limit = 0;
+ $query = $this->_modifyQuery($query, $is_manip, $limit, $offset);
+
+ $result =& $this->_doQuery($query, $is_manip, $connection, false);
+ @pg_close($connection);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+
+ if ($is_manip) {
+ $affected_rows = $this->_affectedRows($connection, $result);
+ return $affected_rows;
+ }
+ $result =& $this->_wrapResult($result, $types, true, false, $limit, $offset);
+ return $result;
+ }
+
+ // }}}
+ // {{{ _doQuery()
+
+ /**
+ * Execute a query
+ * @param string $query query
+ * @param boolean $is_manip if the query is a manipulation query
+ * @param resource $connection
+ * @param string $database_name
+ * @return result or error object
+ * @access protected
+ */
+ function &_doQuery($query, $is_manip = false, $connection = null, $database_name = null)
+ {
+ $this->last_query = $query;
+ $result = $this->debug($query, 'query', array('is_manip' => $is_manip, 'when' => 'pre'));
+ if ($result) {
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ $query = $result;
+ }
+ if ($this->options['disable_query']) {
+ $result = $is_manip ? 0 : null;
+ return $result;
+ }
+
+ if (is_null($connection)) {
+ $connection = $this->getConnection();
+ if (PEAR::isError($connection)) {
+ return $connection;
+ }
+ }
+
+ $function = $this->options['multi_query'] ? 'pg_send_query' : 'pg_query';
+ $result = @$function($connection, $query);
+ if (!$result) {
+ $err =& $this->raiseError(null, null, null,
+ 'Could not execute statement', __FUNCTION__);
+ return $err;
+ } elseif ($this->options['multi_query']) {
+ if (!($result = @pg_get_result($connection))) {
+ $err =& $this->raiseError(null, null, null,
+ 'Could not get the first result from a multi query', __FUNCTION__);
+ return $err;
+ }
+ }
+
+ $this->debug($query, 'query', array('is_manip' => $is_manip, 'when' => 'post', 'result' => $result));
+ return $result;
+ }
+
+ // }}}
+ // {{{ _affectedRows()
+
+ /**
+ * Returns the number of rows affected
+ *
+ * @param resource $result
+ * @param resource $connection
+ * @return mixed MDB2 Error Object or the number of rows affected
+ * @access private
+ */
+ function _affectedRows($connection, $result = null)
+ {
+ if (is_null($connection)) {
+ $connection = $this->getConnection();
+ if (PEAR::isError($connection)) {
+ return $connection;
+ }
+ }
+ return @pg_affected_rows($result);
+ }
+
+ // }}}
+ // {{{ _modifyQuery()
+
+ /**
+ * Changes a query string for various DBMS specific reasons
+ *
+ * @param string $query query to modify
+ * @param boolean $is_manip if it is a DML query
+ * @param integer $limit limit the number of rows
+ * @param integer $offset start reading from given offset
+ * @return string modified query
+ * @access protected
+ */
+ function _modifyQuery($query, $is_manip, $limit, $offset)
+ {
+ if ($limit > 0
+ && !preg_match('/LIMIT\s*\d(?:\s*(?:,|OFFSET)\s*\d+)?(?:[^\)]*)?$/i', $query)
+ ) {
+ $query = rtrim($query);
+ if (substr($query, -1) == ';') {
+ $query = substr($query, 0, -1);
+ }
+ if ($is_manip) {
+ $query = $this->_modifyManipQuery($query, $limit);
+ } else {
+ $query.= " LIMIT $limit OFFSET $offset";
+ }
+ }
+ return $query;
+ }
+
+ // }}}
+ // {{{ _modifyManipQuery()
+
+ /**
+ * Changes a manip query string for various DBMS specific reasons
+ *
+ * @param string $query query to modify
+ * @param integer $limit limit the number of rows
+ * @return string modified query
+ * @access protected
+ */
+ function _modifyManipQuery($query, $limit)
+ {
+ $pos = strpos(strtolower($query), 'where');
+ $where = $pos ? substr($query, $pos) : '';
+
+ $manip_clause = '(\bDELETE\b\s+(?:\*\s+)?\bFROM\b|\bUPDATE\b)';
+ $from_clause = '([\w\.]+)';
+ $where_clause = '(?:(.*)\bWHERE\b\s+(.*))|(.*)';
+ $pattern = '/^'. $manip_clause . '\s+' . $from_clause .'(?:\s)*(?:'. $where_clause .')?$/i';
+ $matches = preg_match($pattern, $query, $match);
+ if ($matches) {
+ $manip = $match[1];
+ $from = $match[2];
+ $what = (count($matches) == 6) ? $match[5] : $match[3];
+ return $manip.' '.$from.' '.$what.' WHERE ctid=(SELECT ctid FROM '.$from.' '.$where.' LIMIT '.$limit.')';
+ }
+ //return error?
+ return $query;
+ }
+
+ // }}}
+ // {{{ getServerVersion()
+
+ /**
+ * return version information about the server
+ *
+ * @param bool $native determines if the raw version string should be returned
+ * @return mixed array/string with version information or MDB2 error object
+ * @access public
+ */
+ function getServerVersion($native = false)
+ {
+ $query = 'SHOW SERVER_VERSION';
+ if ($this->connected_server_info) {
+ $server_info = $this->connected_server_info;
+ } else {
+ $server_info = $this->queryOne($query, 'text');
+ if (PEAR::isError($server_info)) {
+ return $server_info;
+ }
+ }
+ // cache server_info
+ $this->connected_server_info = $server_info;
+ if (!$native && !PEAR::isError($server_info)) {
+ $tmp = explode('.', $server_info, 3);
+ if (empty($tmp[2])
+ && isset($tmp[1])
+ && preg_match('/(\d+)(.*)/', $tmp[1], $tmp2)
+ ) {
+ $server_info = array(
+ 'major' => $tmp[0],
+ 'minor' => $tmp2[1],
+ 'patch' => null,
+ 'extra' => $tmp2[2],
+ 'native' => $server_info,
+ );
+ } else {
+ $server_info = array(
+ 'major' => isset($tmp[0]) ? $tmp[0] : null,
+ 'minor' => isset($tmp[1]) ? $tmp[1] : null,
+ 'patch' => isset($tmp[2]) ? $tmp[2] : null,
+ 'extra' => null,
+ 'native' => $server_info,
+ );
+ }
+ }
+ return $server_info;
+ }
+
+ // }}}
+ // {{{ prepare()
+
+ /**
+ * Prepares a query for multiple execution with execute().
+ * With some database backends, this is emulated.
+ * prepare() requires a generic query as string like
+ * 'INSERT INTO numbers VALUES(?,?)' or
+ * 'INSERT INTO numbers VALUES(:foo,:bar)'.
+ * The ? and :name and are placeholders which can be set using
+ * bindParam() and the query can be sent off using the execute() method.
+ * The allowed format for :name can be set with the 'bindname_format' option.
+ *
+ * @param string $query the query to prepare
+ * @param mixed $types array that contains the types of the placeholders
+ * @param mixed $result_types array that contains the types of the columns in
+ * the result set or MDB2_PREPARE_RESULT, if set to
+ * MDB2_PREPARE_MANIP the query is handled as a manipulation query
+ * @param mixed $lobs key (field) value (parameter) pair for all lob placeholders
+ * @return mixed resource handle for the prepared query on success, a MDB2
+ * error on failure
+ * @access public
+ * @see bindParam, execute
+ */
+ function &prepare($query, $types = null, $result_types = null, $lobs = array())
+ {
+ if ($this->options['emulate_prepared']) {
+ $obj =& parent::prepare($query, $types, $result_types, $lobs);
+ return $obj;
+ }
+ $is_manip = ($result_types === MDB2_PREPARE_MANIP);
+ $offset = $this->offset;
+ $limit = $this->limit;
+ $this->offset = $this->limit = 0;
+ $result = $this->debug($query, __FUNCTION__, array('is_manip' => $is_manip, 'when' => 'pre'));
+ if ($result) {
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ $query = $result;
+ }
+ $pgtypes = function_exists('pg_prepare') ? false : array();
+ if ($pgtypes !== false && !empty($types)) {
+ $this->loadModule('Datatype', null, true);
+ }
+ $query = $this->_modifyQuery($query, $is_manip, $limit, $offset);
+ $placeholder_type_guess = $placeholder_type = null;
+ $question = '?';
+ $colon = ':';
+ $positions = array();
+ $position = $parameter = 0;
+ while ($position < strlen($query)) {
+ $q_position = strpos($query, $question, $position);
+ $c_position = strpos($query, $colon, $position);
+ //skip "::type" cast ("select id::varchar(20) from sometable where name=?")
+ $doublecolon_position = strpos($query, '::', $position);
+ if ($doublecolon_position !== false && $doublecolon_position == $c_position) {
+ $c_position = strpos($query, $colon, $position+2);
+ }
+ if ($q_position && $c_position) {
+ $p_position = min($q_position, $c_position);
+ } elseif ($q_position) {
+ $p_position = $q_position;
+ } elseif ($c_position) {
+ $p_position = $c_position;
+ } else {
+ break;
+ }
+ if (is_null($placeholder_type)) {
+ $placeholder_type_guess = $query[$p_position];
+ }
+
+ $new_pos = $this->_skipDelimitedStrings($query, $position, $p_position);
+ if (PEAR::isError($new_pos)) {
+ return $new_pos;
+ }
+ if ($new_pos != $position) {
+ $position = $new_pos;
+ continue; //evaluate again starting from the new position
+ }
+
+ if ($query[$position] == $placeholder_type_guess) {
+ if (is_null($placeholder_type)) {
+ $placeholder_type = $query[$p_position];
+ $question = $colon = $placeholder_type;
+ if (!empty($types) && is_array($types)) {
+ if ($placeholder_type == ':') {
+ } else {
+ $types = array_values($types);
+ }
+ }
+ }
+ if ($placeholder_type_guess == '?') {
+ $length = 1;
+ $name = $parameter;
+ } else {
+ $regexp = '/^.{'.($position+1).'}('.$this->options['bindname_format'].').*$/s';
+ $param = preg_replace($regexp, '\\1', $query);
+ if ($param === '') {
+ $err =& $this->raiseError(MDB2_ERROR_SYNTAX, null, null,
+ 'named parameter name must match "bindname_format" option', __FUNCTION__);
+ return $err;
+ }
+ $length = strlen($param) + 1;
+ $name = $param;
+ }
+ if ($pgtypes !== false) {
+ if (is_array($types) && array_key_exists($name, $types)) {
+ $pgtypes[] = $this->datatype->mapPrepareDatatype($types[$name]);
+ } elseif (is_array($types) && array_key_exists($parameter, $types)) {
+ $pgtypes[] = $this->datatype->mapPrepareDatatype($types[$parameter]);
+ } else {
+ $pgtypes[] = 'text';
+ }
+ }
+ if (($key_parameter = array_search($name, $positions))) {
+ $next_parameter = 1;
+ foreach ($positions as $key => $value) {
+ if ($key_parameter == $key) {
+ break;
+ }
+ ++$next_parameter;
+ }
+ } else {
+ ++$parameter;
+ $next_parameter = $parameter;
+ $positions[] = $name;
+ }
+ $query = substr_replace($query, '$'.$parameter, $position, $length);
+ $position = $p_position + strlen($parameter);
+ } else {
+ $position = $p_position;
+ }
+ }
+ $connection = $this->getConnection();
+ if (PEAR::isError($connection)) {
+ return $connection;
+ }
+ static $prep_statement_counter = 1;
+ $statement_name = sprintf($this->options['statement_format'], $this->phptype, sha1(microtime() + mt_rand())) . $prep_statement_counter++;
+ $statement_name = strtolower($statement_name);
+ if ($pgtypes === false) {
+ $result = @pg_prepare($connection, $statement_name, $query);
+ if (!$result) {
+ $err =& $this->raiseError(null, null, null,
+ 'Unable to create prepared statement handle', __FUNCTION__);
+ return $err;
+ }
+ } else {
+ $types_string = '';
+ if ($pgtypes) {
+ $types_string = ' ('.implode(', ', $pgtypes).') ';
+ }
+ $query = 'PREPARE '.$statement_name.$types_string.' AS '.$query;
+ $statement =& $this->_doQuery($query, true, $connection);
+ if (PEAR::isError($statement)) {
+ return $statement;
+ }
+ }
+
+ $class_name = 'MDB2_Statement_'.$this->phptype;
+ $obj = new $class_name($this, $statement_name, $positions, $query, $types, $result_types, $is_manip, $limit, $offset);
+ $this->debug($query, __FUNCTION__, array('is_manip' => $is_manip, 'when' => 'post', 'result' => $obj));
+ return $obj;
+ }
+
+ // }}}
+ // {{{ function getSequenceName($sqn)
+
+ /**
+ * adds sequence name formatting to a sequence name
+ *
+ * @param string name of the sequence
+ *
+ * @return string formatted sequence name
+ *
+ * @access public
+ */
+ function getSequenceName($sqn)
+ {
+ if (false === $this->options['disable_smart_seqname']) {
+ if (strpos($sqn, '_') !== false) {
+ list($table, $field) = explode('_', $sqn, 2);
+ }
+ $schema_list = $this->queryOne("SELECT array_to_string(current_schemas(false), ',')");
+ if (PEAR::isError($schema_list) || empty($schema_list) || count($schema_list) < 2) {
+ $order_by = ' a.attnum';
+ $schema_clause = ' AND n.nspname=current_schema()';
+ } else {
+ $schemas = explode(',', $schema_list);
+ $schema_clause = ' AND n.nspname IN ('.$schema_list.')';
+ $counter = 1;
+ $order_by = ' CASE ';
+ foreach ($schemas as $schema) {
+ $order_by .= ' WHEN n.nspname='.$schema.' THEN '.$counter++;
+ }
+ $order_by .= ' ELSE '.$counter.' END, a.attnum';
+ }
+
+ $query = "SELECT substring((SELECT substring(pg_get_expr(d.adbin, d.adrelid) for 128)
+ FROM pg_attrdef d
+ WHERE d.adrelid = a.attrelid
+ AND d.adnum = a.attnum
+ AND a.atthasdef
+ ) FROM 'nextval[^\']*\'([^\']*)')
+ FROM pg_attribute a
+ LEFT JOIN pg_class c ON c.oid = a.attrelid
+ LEFT JOIN pg_attrdef d ON d.adrelid = a.attrelid AND d.adnum = a.attnum AND a.atthasdef
+ LEFT JOIN pg_namespace n ON c.relnamespace = n.oid
+ WHERE (c.relname = ".$this->quote($sqn, 'text');
+ if (!empty($field)) {
+ $query .= " OR (c.relname = ".$this->quote($table, 'text')." AND a.attname = ".$this->quote($field, 'text').")";
+ }
+ $query .= " )"
+ .$schema_clause."
+ AND NOT a.attisdropped
+ AND a.attnum > 0
+ AND pg_get_expr(d.adbin, d.adrelid) LIKE 'nextval%'
+ ORDER BY ".$order_by;
+ $seqname = $this->queryOne($query);
+ if (!PEAR::isError($seqname) && !empty($seqname) && is_string($seqname)) {
+ return $seqname;
+ }
+ }
+
+ return sprintf($this->options['seqname_format'],
+ preg_replace('/[^\w\$.]/i', '_', $sqn));
+ }
+
+ // }}}
+ // {{{ nextID()
+
+ /**
+ * Returns the next free id of a sequence
+ *
+ * @param string $seq_name name of the sequence
+ * @param boolean $ondemand when true the sequence is
+ * automatic created, if it
+ * not exists
+ * @return mixed MDB2 Error Object or id
+ * @access public
+ */
+ function nextID($seq_name, $ondemand = true)
+ {
+ $sequence_name = $this->quoteIdentifier($this->getSequenceName($seq_name), true);
+ $query = "SELECT NEXTVAL('$sequence_name')";
+ $this->expectError(MDB2_ERROR_NOSUCHTABLE);
+ $result = $this->queryOne($query, 'integer');
+ $this->popExpect();
+ if (PEAR::isError($result)) {
+ if ($ondemand && $result->getCode() == MDB2_ERROR_NOSUCHTABLE) {
+ $this->loadModule('Manager', null, true);
+ $result = $this->manager->createSequence($seq_name);
+ if (PEAR::isError($result)) {
+ return $this->raiseError($result, null, null,
+ 'on demand sequence could not be created', __FUNCTION__);
+ }
+ return $this->nextId($seq_name, false);
+ }
+ }
+ return $result;
+ }
+
+ // }}}
+ // {{{ lastInsertID()
+
+ /**
+ * Returns the autoincrement ID if supported or $id or fetches the current
+ * ID in a sequence called: $table.(empty($field) ? '' : '_'.$field)
+ *
+ * @param string $table name of the table into which a new row was inserted
+ * @param string $field name of the field into which a new row was inserted
+ * @return mixed MDB2 Error Object or id
+ * @access public
+ */
+ function lastInsertID($table = null, $field = null)
+ {
+ if (empty($table) && empty($field)) {
+ return $this->queryOne('SELECT lastval()', 'integer');
+ }
+ $seq = $table.(empty($field) ? '' : '_'.$field);
+ $sequence_name = $this->getSequenceName($seq);
+ return $this->queryOne("SELECT currval('$sequence_name')", 'integer');
+ }
+
+ // }}}
+ // {{{ currID()
+
+ /**
+ * Returns the current id of a sequence
+ *
+ * @param string $seq_name name of the sequence
+ * @return mixed MDB2 Error Object or id
+ * @access public
+ */
+ function currID($seq_name)
+ {
+ $sequence_name = $this->quoteIdentifier($this->getSequenceName($seq_name), true);
+ return $this->queryOne("SELECT last_value FROM $sequence_name", 'integer');
+ }
+}
+
+/**
+ * MDB2 PostGreSQL result driver
+ *
+ * @package MDB2
+ * @category Database
+ * @author Paul Cooper <pgc@ucecom.com>
+ */
+class MDB2_Result_pgsql extends MDB2_Result_Common
+{
+ // }}}
+ // {{{ fetchRow()
+
+ /**
+ * Fetch a row and insert the data into an existing array.
+ *
+ * @param int $fetchmode how the array data should be indexed
+ * @param int $rownum number of the row where the data can be found
+ * @return int data array on success, a MDB2 error on failure
+ * @access public
+ */
+ function &fetchRow($fetchmode = MDB2_FETCHMODE_DEFAULT, $rownum = null)
+ {
+ if (!is_null($rownum)) {
+ $seek = $this->seek($rownum);
+ if (PEAR::isError($seek)) {
+ return $seek;
+ }
+ }
+ if ($fetchmode == MDB2_FETCHMODE_DEFAULT) {
+ $fetchmode = $this->db->fetchmode;
+ }
+ if ($fetchmode & MDB2_FETCHMODE_ASSOC) {
+ $row = @pg_fetch_array($this->result, null, PGSQL_ASSOC);
+ if (is_array($row)
+ && $this->db->options['portability'] & MDB2_PORTABILITY_FIX_CASE
+ ) {
+ $row = array_change_key_case($row, $this->db->options['field_case']);
+ }
+ } else {
+ $row = @pg_fetch_row($this->result);
+ }
+ if (!$row) {
+ if ($this->result === false) {
+ $err =& $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
+ 'resultset has already been freed', __FUNCTION__);
+ return $err;
+ }
+ $null = null;
+ return $null;
+ }
+ $mode = $this->db->options['portability'] & MDB2_PORTABILITY_EMPTY_TO_NULL;
+ $rtrim = false;
+ if ($this->db->options['portability'] & MDB2_PORTABILITY_RTRIM) {
+ if (empty($this->types)) {
+ $mode += MDB2_PORTABILITY_RTRIM;
+ } else {
+ $rtrim = true;
+ }
+ }
+ if ($mode) {
+ $this->db->_fixResultArrayValues($row, $mode);
+ }
+ if (!empty($this->types)) {
+ $row = $this->db->datatype->convertResultRow($this->types, $row, $rtrim);
+ }
+ if (!empty($this->values)) {
+ $this->_assignBindColumns($row);
+ }
+ if ($fetchmode === MDB2_FETCHMODE_OBJECT) {
+ $object_class = $this->db->options['fetch_class'];
+ if ($object_class == 'stdClass') {
+ $row = (object) $row;
+ } else {
+ $row = &new $object_class($row);
+ }
+ }
+ ++$this->rownum;
+ return $row;
+ }
+
+ // }}}
+ // {{{ _getColumnNames()
+
+ /**
+ * Retrieve the names of columns returned by the DBMS in a query result.
+ *
+ * @return mixed Array variable that holds the names of columns as keys
+ * or an MDB2 error on failure.
+ * Some DBMS may not return any columns when the result set
+ * does not contain any rows.
+ * @access private
+ */
+ function _getColumnNames()
+ {
+ $columns = array();
+ $numcols = $this->numCols();
+ if (PEAR::isError($numcols)) {
+ return $numcols;
+ }
+ for ($column = 0; $column < $numcols; $column++) {
+ $column_name = @pg_field_name($this->result, $column);
+ $columns[$column_name] = $column;
+ }
+ if ($this->db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $columns = array_change_key_case($columns, $this->db->options['field_case']);
+ }
+ return $columns;
+ }
+
+ // }}}
+ // {{{ numCols()
+
+ /**
+ * Count the number of columns returned by the DBMS in a query result.
+ *
+ * @access public
+ * @return mixed integer value with the number of columns, a MDB2 error
+ * on failure
+ */
+ function numCols()
+ {
+ $cols = @pg_num_fields($this->result);
+ if (is_null($cols)) {
+ if ($this->result === false) {
+ return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
+ 'resultset has already been freed', __FUNCTION__);
+ } elseif (is_null($this->result)) {
+ return count($this->types);
+ }
+ return $this->db->raiseError(null, null, null,
+ 'Could not get column count', __FUNCTION__);
+ }
+ return $cols;
+ }
+
+ // }}}
+ // {{{ nextResult()
+
+ /**
+ * Move the internal result pointer to the next available result
+ *
+ * @return true on success, false if there is no more result set or an error object on failure
+ * @access public
+ */
+ function nextResult()
+ {
+ $connection = $this->db->getConnection();
+ if (PEAR::isError($connection)) {
+ return $connection;
+ }
+
+ if (!($this->result = @pg_get_result($connection))) {
+ return false;
+ }
+ return MDB2_OK;
+ }
+
+ // }}}
+ // {{{ free()
+
+ /**
+ * Free the internal resources associated with result.
+ *
+ * @return boolean true on success, false if result is invalid
+ * @access public
+ */
+ function free()
+ {
+ if (is_resource($this->result) && $this->db->connection) {
+ $free = @pg_free_result($this->result);
+ if ($free === false) {
+ return $this->db->raiseError(null, null, null,
+ 'Could not free result', __FUNCTION__);
+ }
+ }
+ $this->result = false;
+ return MDB2_OK;
+ }
+}
+
+/**
+ * MDB2 PostGreSQL buffered result driver
+ *
+ * @package MDB2
+ * @category Database
+ * @author Paul Cooper <pgc@ucecom.com>
+ */
+class MDB2_BufferedResult_pgsql extends MDB2_Result_pgsql
+{
+ // {{{ seek()
+
+ /**
+ * Seek to a specific row in a result set
+ *
+ * @param int $rownum number of the row where the data can be found
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function seek($rownum = 0)
+ {
+ if ($this->rownum != ($rownum - 1) && !@pg_result_seek($this->result, $rownum)) {
+ if ($this->result === false) {
+ return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
+ 'resultset has already been freed', __FUNCTION__);
+ } elseif (is_null($this->result)) {
+ return MDB2_OK;
+ }
+ return $this->db->raiseError(MDB2_ERROR_INVALID, null, null,
+ 'tried to seek to an invalid row number ('.$rownum.')', __FUNCTION__);
+ }
+ $this->rownum = $rownum - 1;
+ return MDB2_OK;
+ }
+
+ // }}}
+ // {{{ valid()
+
+ /**
+ * Check if the end of the result set has been reached
+ *
+ * @return mixed true or false on sucess, a MDB2 error on failure
+ * @access public
+ */
+ function valid()
+ {
+ $numrows = $this->numRows();
+ if (PEAR::isError($numrows)) {
+ return $numrows;
+ }
+ return $this->rownum < ($numrows - 1);
+ }
+
+ // }}}
+ // {{{ numRows()
+
+ /**
+ * Returns the number of rows in a result object
+ *
+ * @return mixed MDB2 Error Object or the number of rows
+ * @access public
+ */
+ function numRows()
+ {
+ $rows = @pg_num_rows($this->result);
+ if (is_null($rows)) {
+ if ($this->result === false) {
+ return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
+ 'resultset has already been freed', __FUNCTION__);
+ } elseif (is_null($this->result)) {
+ return 0;
+ }
+ return $this->db->raiseError(null, null, null,
+ 'Could not get row count', __FUNCTION__);
+ }
+ return $rows;
+ }
+}
+
+/**
+ * MDB2 PostGreSQL statement driver
+ *
+ * @package MDB2
+ * @category Database
+ * @author Paul Cooper <pgc@ucecom.com>
+ */
+class MDB2_Statement_pgsql extends MDB2_Statement_Common
+{
+ // {{{ _execute()
+
+ /**
+ * Execute a prepared query statement helper method.
+ *
+ * @param mixed $result_class string which specifies which result class to use
+ * @param mixed $result_wrap_class string which specifies which class to wrap results in
+ * @return mixed a result handle or MDB2_OK on success, a MDB2 error on failure
+ * @access private
+ */
+ function &_execute($result_class = true, $result_wrap_class = false)
+ {
+ if (is_null($this->statement)) {
+ $result =& parent::_execute($result_class, $result_wrap_class);
+ return $result;
+ }
+ $this->db->last_query = $this->query;
+ $this->db->debug($this->query, 'execute', array('is_manip' => $this->is_manip, 'when' => 'pre', 'parameters' => $this->values));
+ if ($this->db->getOption('disable_query')) {
+ $result = $this->is_manip ? 0 : null;
+ return $result;
+ }
+
+ $connection = $this->db->getConnection();
+ if (PEAR::isError($connection)) {
+ return $connection;
+ }
+
+ $query = false;
+ $parameters = array();
+ // todo: disabled until pg_execute() bytea issues are cleared up
+ if (true || !function_exists('pg_execute')) {
+ $query = 'EXECUTE '.$this->statement;
+ }
+ if (!empty($this->positions)) {
+ foreach ($this->positions as $parameter) {
+ if (!array_key_exists($parameter, $this->values)) {
+ return $this->db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+ 'Unable to bind to missing placeholder: '.$parameter, __FUNCTION__);
+ }
+ $value = $this->values[$parameter];
+ $type = array_key_exists($parameter, $this->types) ? $this->types[$parameter] : null;
+ if (is_resource($value) || $type == 'clob' || $type == 'blob' || $this->db->options['lob_allow_url_include']) {
+ if (!is_resource($value) && preg_match('/^(\w+:\/\/)(.*)$/', $value, $match)) {
+ if ($match[1] == 'file://') {
+ $value = $match[2];
+ }
+ $value = @fopen($value, 'r');
+ $close = true;
+ }
+ if (is_resource($value)) {
+ $data = '';
+ while (!@feof($value)) {
+ $data.= @fread($value, $this->db->options['lob_buffer_length']);
+ }
+ if ($close) {
+ @fclose($value);
+ }
+ $value = $data;
+ }
+ }
+ $quoted = $this->db->quote($value, $type, $query);
+ if (PEAR::isError($quoted)) {
+ return $quoted;
+ }
+ $parameters[] = $quoted;
+ }
+ if ($query) {
+ $query.= ' ('.implode(', ', $parameters).')';
+ }
+ }
+
+ if (!$query) {
+ $result = @pg_execute($connection, $this->statement, $parameters);
+ if (!$result) {
+ $err =& $this->db->raiseError(null, null, null,
+ 'Unable to execute statement', __FUNCTION__);
+ return $err;
+ }
+ } else {
+ $result = $this->db->_doQuery($query, $this->is_manip, $connection);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ }
+
+ if ($this->is_manip) {
+ $affected_rows = $this->db->_affectedRows($connection, $result);
+ return $affected_rows;
+ }
+
+ $result =& $this->db->_wrapResult($result, $this->result_types,
+ $result_class, $result_wrap_class, $this->limit, $this->offset);
+ $this->db->debug($this->query, 'execute', array('is_manip' => $this->is_manip, 'when' => 'post', 'result' => $result));
+ return $result;
+ }
+
+ // }}}
+ // {{{ free()
+
+ /**
+ * Release resources allocated for the specified prepared query.
+ *
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function free()
+ {
+ if (is_null($this->positions)) {
+ return $this->db->raiseError(MDB2_ERROR, null, null,
+ 'Prepared statement has already been freed', __FUNCTION__);
+ }
+ $result = MDB2_OK;
+
+ if (!is_null($this->statement)) {
+ $connection = $this->db->getConnection();
+ if (PEAR::isError($connection)) {
+ return $connection;
+ }
+ $query = 'DEALLOCATE PREPARE '.$this->statement;
+ $result = $this->db->_doQuery($query, true, $connection);
+ }
+
+ parent::free();
+ return $result;
+ }
+}
+?>
\ No newline at end of file diff --git a/program/lib/MDB2/Driver/sqlite.php b/program/lib/MDB2/Driver/sqlite.php new file mode 100644 index 000000000..d61255347 --- /dev/null +++ b/program/lib/MDB2/Driver/sqlite.php @@ -0,0 +1,1078 @@ +<?php
+// vim: set et ts=4 sw=4 fdm=marker:
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2007 Manuel Lemos, Tomas V.V.Cox, |
+// | Stig. S. Bakken, Lukas Smith |
+// | All rights reserved. |
+// +----------------------------------------------------------------------+
+// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB |
+// | API as well as database abstraction for PHP applications. |
+// | This LICENSE is in the BSD license style. |
+// | |
+// | Redistribution and use in source and binary forms, with or without |
+// | modification, are permitted provided that the following conditions |
+// | are met: |
+// | |
+// | Redistributions of source code must retain the above copyright |
+// | notice, this list of conditions and the following disclaimer. |
+// | |
+// | Redistributions in binary form must reproduce the above copyright |
+// | notice, this list of conditions and the following disclaimer in the |
+// | documentation and/or other materials provided with the distribution. |
+// | |
+// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, |
+// | Lukas Smith nor the names of his contributors may be used to endorse |
+// | or promote products derived from this software without specific prior|
+// | written permission. |
+// | |
+// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
+// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
+// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
+// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
+// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
+// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
+// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
+// | OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
+// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
+// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
+// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
+// | POSSIBILITY OF SUCH DAMAGE. |
+// +----------------------------------------------------------------------+
+// | Author: Lukas Smith <smith@pooteeweet.org> |
+// +----------------------------------------------------------------------+
+//
+// $Id: sqlite.php,v 1.152 2007/11/27 07:44:41 quipo Exp $
+//
+
+/**
+ * MDB2 SQLite driver
+ *
+ * @package MDB2
+ * @category Database
+ * @author Lukas Smith <smith@pooteeweet.org>
+ */
+class MDB2_Driver_sqlite extends MDB2_Driver_Common
+{
+ // {{{ properties
+ var $string_quoting = array('start' => "'", 'end' => "'", 'escape' => "'", 'escape_pattern' => false);
+
+ var $identifier_quoting = array('start' => '"', 'end' => '"', 'escape' => '"');
+
+ var $_lasterror = '';
+
+ var $fix_assoc_fields_names = false;
+
+ // }}}
+ // {{{ constructor
+
+ /**
+ * Constructor
+ */
+ function __construct()
+ {
+ parent::__construct();
+
+ $this->phptype = 'sqlite';
+ $this->dbsyntax = 'sqlite';
+
+ $this->supported['sequences'] = 'emulated';
+ $this->supported['indexes'] = true;
+ $this->supported['affected_rows'] = true;
+ $this->supported['summary_functions'] = true;
+ $this->supported['order_by_text'] = true;
+ $this->supported['current_id'] = 'emulated';
+ $this->supported['limit_queries'] = true;
+ $this->supported['LOBs'] = true;
+ $this->supported['replace'] = true;
+ $this->supported['transactions'] = true;
+ $this->supported['savepoints'] = false;
+ $this->supported['sub_selects'] = true;
+ $this->supported['auto_increment'] = true;
+ $this->supported['primary_key'] = false; // requires alter table implementation
+ $this->supported['result_introspection'] = false; // not implemented
+ $this->supported['prepared_statements'] = 'emulated';
+ $this->supported['identifier_quoting'] = true;
+ $this->supported['pattern_escaping'] = false;
+ $this->supported['new_link'] = false;
+
+ $this->options['base_transaction_name'] = '___php_MDB2_sqlite_auto_commit_off';
+ $this->options['fixed_float'] = 0;
+ $this->options['database_path'] = '';
+ $this->options['database_extension'] = '';
+ $this->options['server_version'] = '';
+ }
+
+ // }}}
+ // {{{ errorInfo()
+
+ /**
+ * This method is used to collect information about an error
+ *
+ * @param integer $error
+ * @return array
+ * @access public
+ */
+ function errorInfo($error = null)
+ {
+ $native_code = null;
+ if ($this->connection) {
+ $native_code = @sqlite_last_error($this->connection);
+ }
+ $native_msg = $this->_lasterror
+ ? html_entity_decode($this->_lasterror) : @sqlite_error_string($native_code);
+
+ // PHP 5.2+ prepends the function name to $php_errormsg, so we need
+ // this hack to work around it, per bug #9599.
+ $native_msg = preg_replace('/^sqlite[a-z_]+\(\): /', '', $native_msg);
+
+ if (is_null($error)) {
+ static $error_regexps;
+ if (empty($error_regexps)) {
+ $error_regexps = array(
+ '/^no such table:/' => MDB2_ERROR_NOSUCHTABLE,
+ '/^no such index:/' => MDB2_ERROR_NOT_FOUND,
+ '/^(table|index) .* already exists$/' => MDB2_ERROR_ALREADY_EXISTS,
+ '/PRIMARY KEY must be unique/i' => MDB2_ERROR_CONSTRAINT,
+ '/is not unique/' => MDB2_ERROR_CONSTRAINT,
+ '/columns .* are not unique/i' => MDB2_ERROR_CONSTRAINT,
+ '/uniqueness constraint failed/' => MDB2_ERROR_CONSTRAINT,
+ '/may not be NULL/' => MDB2_ERROR_CONSTRAINT_NOT_NULL,
+ '/^no such column:/' => MDB2_ERROR_NOSUCHFIELD,
+ '/no column named/' => MDB2_ERROR_NOSUCHFIELD,
+ '/column not present in both tables/i' => MDB2_ERROR_NOSUCHFIELD,
+ '/^near ".*": syntax error$/' => MDB2_ERROR_SYNTAX,
+ '/[0-9]+ values for [0-9]+ columns/i' => MDB2_ERROR_VALUE_COUNT_ON_ROW,
+ );
+ }
+ foreach ($error_regexps as $regexp => $code) {
+ if (preg_match($regexp, $native_msg)) {
+ $error = $code;
+ break;
+ }
+ }
+ }
+ return array($error, $native_code, $native_msg);
+ }
+
+ // }}}
+ // {{{ escape()
+
+ /**
+ * Quotes a string so it can be safely used in a query. It will quote
+ * the text so it can safely be used within a query.
+ *
+ * @param string the input string to quote
+ * @param bool escape wildcards
+ *
+ * @return string quoted string
+ *
+ * @access public
+ */
+ function escape($text, $escape_wildcards = false)
+ {
+ $text = @sqlite_escape_string($text);
+ return $text;
+ }
+
+ // }}}
+ // {{{ beginTransaction()
+
+ /**
+ * Start a transaction or set a savepoint.
+ *
+ * @param string name of a savepoint to set
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ *
+ * @access public
+ */
+ function beginTransaction($savepoint = null)
+ {
+ $this->debug('Starting transaction/savepoint', __FUNCTION__, array('is_manip' => true, 'savepoint' => $savepoint));
+ if (!is_null($savepoint)) {
+ return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'savepoints are not supported', __FUNCTION__);
+ } elseif ($this->in_transaction) {
+ return MDB2_OK; //nothing to do
+ }
+ if (!$this->destructor_registered && $this->opened_persistent) {
+ $this->destructor_registered = true;
+ register_shutdown_function('MDB2_closeOpenTransactions');
+ }
+ $query = 'BEGIN TRANSACTION '.$this->options['base_transaction_name'];
+ $result =& $this->_doQuery($query, true);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ $this->in_transaction = true;
+ return MDB2_OK;
+ }
+
+ // }}}
+ // {{{ commit()
+
+ /**
+ * Commit the database changes done during a transaction that is in
+ * progress or release a savepoint. This function may only be called when
+ * auto-committing is disabled, otherwise it will fail. Therefore, a new
+ * transaction is implicitly started after committing the pending changes.
+ *
+ * @param string name of a savepoint to release
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ *
+ * @access public
+ */
+ function commit($savepoint = null)
+ {
+ $this->debug('Committing transaction/savepoint', __FUNCTION__, array('is_manip' => true, 'savepoint' => $savepoint));
+ if (!$this->in_transaction) {
+ return $this->raiseError(MDB2_ERROR_INVALID, null, null,
+ 'commit/release savepoint cannot be done changes are auto committed', __FUNCTION__);
+ }
+ if (!is_null($savepoint)) {
+ return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'savepoints are not supported', __FUNCTION__);
+ }
+
+ $query = 'COMMIT TRANSACTION '.$this->options['base_transaction_name'];
+ $result =& $this->_doQuery($query, true);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ $this->in_transaction = false;
+ return MDB2_OK;
+ }
+
+ // }}}
+ // {{{
+
+ /**
+ * Cancel any database changes done during a transaction or since a specific
+ * savepoint that is in progress. This function may only be called when
+ * auto-committing is disabled, otherwise it will fail. Therefore, a new
+ * transaction is implicitly started after canceling the pending changes.
+ *
+ * @param string name of a savepoint to rollback to
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ *
+ * @access public
+ */
+ function rollback($savepoint = null)
+ {
+ $this->debug('Rolling back transaction/savepoint', __FUNCTION__, array('is_manip' => true, 'savepoint' => $savepoint));
+ if (!$this->in_transaction) {
+ return $this->raiseError(MDB2_ERROR_INVALID, null, null,
+ 'rollback cannot be done changes are auto committed', __FUNCTION__);
+ }
+ if (!is_null($savepoint)) {
+ return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'savepoints are not supported', __FUNCTION__);
+ }
+
+ $query = 'ROLLBACK TRANSACTION '.$this->options['base_transaction_name'];
+ $result =& $this->_doQuery($query, true);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ $this->in_transaction = false;
+ return MDB2_OK;
+ }
+
+ // }}}
+ // {{{ function setTransactionIsolation()
+
+ /**
+ * Set the transacton isolation level.
+ *
+ * @param string standard isolation level
+ * READ UNCOMMITTED (allows dirty reads)
+ * READ COMMITTED (prevents dirty reads)
+ * REPEATABLE READ (prevents nonrepeatable reads)
+ * SERIALIZABLE (prevents phantom reads)
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ *
+ * @access public
+ * @since 2.1.1
+ */
+ function setTransactionIsolation($isolation)
+ {
+ $this->debug('Setting transaction isolation level', __FUNCTION__, array('is_manip' => true));
+ switch ($isolation) {
+ case 'READ UNCOMMITTED':
+ $isolation = 0;
+ break;
+ case 'READ COMMITTED':
+ case 'REPEATABLE READ':
+ case 'SERIALIZABLE':
+ $isolation = 1;
+ break;
+ default:
+ return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'isolation level is not supported: '.$isolation, __FUNCTION__);
+ }
+
+ $query = "PRAGMA read_uncommitted=$isolation";
+ return $this->_doQuery($query, true);
+ }
+
+ // }}}
+ // {{{ getDatabaseFile()
+
+ /**
+ * Builds the string with path+dbname+extension
+ *
+ * @return string full database path+file
+ * @access protected
+ */
+ function _getDatabaseFile($database_name)
+ {
+ if ($database_name === '' || $database_name === ':memory:') {
+ return $database_name;
+ }
+ return $this->options['database_path'].$database_name.$this->options['database_extension'];
+ }
+
+ // }}}
+ // {{{ connect()
+
+ /**
+ * Connect to the database
+ *
+ * @return true on success, MDB2 Error Object on failure
+ **/
+ function connect()
+ {
+ $database_file = $this->_getDatabaseFile($this->database_name);
+ if (is_resource($this->connection)) {
+ //if (count(array_diff($this->connected_dsn, $this->dsn)) == 0
+ if (MDB2::areEquals($this->connected_dsn, $this->dsn)
+ && $this->connected_database_name == $database_file
+ && $this->opened_persistent == $this->options['persistent']
+ ) {
+ return MDB2_OK;
+ }
+ $this->disconnect(false);
+ }
+
+ if (!PEAR::loadExtension($this->phptype)) {
+ return $this->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+ 'extension '.$this->phptype.' is not compiled into PHP', __FUNCTION__);
+ }
+
+ if (!empty($this->database_name)) {
+ if ($database_file !== ':memory:') {
+ if (!file_exists($database_file)) {
+ if (!touch($database_file)) {
+ return $this->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+ 'Could not create database file', __FUNCTION__);
+ }
+ if (!isset($this->dsn['mode'])
+ || !is_numeric($this->dsn['mode'])
+ ) {
+ $mode = 0644;
+ } else {
+ $mode = octdec($this->dsn['mode']);
+ }
+ if (!chmod($database_file, $mode)) {
+ return $this->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+ 'Could not be chmodded database file', __FUNCTION__);
+ }
+ if (!file_exists($database_file)) {
+ return $this->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+ 'Could not be found database file', __FUNCTION__);
+ }
+ }
+ if (!is_file($database_file)) {
+ return $this->raiseError(MDB2_ERROR_INVALID, null, null,
+ 'Database is a directory name', __FUNCTION__);
+ }
+ if (!is_readable($database_file)) {
+ return $this->raiseError(MDB2_ERROR_ACCESS_VIOLATION, null, null,
+ 'Could not read database file', __FUNCTION__);
+ }
+ }
+
+ $connect_function = ($this->options['persistent'] ? 'sqlite_popen' : 'sqlite_open');
+ $php_errormsg = '';
+ if (version_compare('5.1.0', PHP_VERSION, '>')) {
+ @ini_set('track_errors', true);
+ $connection = @$connect_function($database_file);
+ @ini_restore('track_errors');
+ } else {
+ $connection = @$connect_function($database_file, 0666, $php_errormsg);
+ }
+ $this->_lasterror = $php_errormsg;
+ if (!$connection) {
+ return $this->raiseError(MDB2_ERROR_CONNECT_FAILED, null, null,
+ 'unable to establish a connection', __FUNCTION__);
+ }
+
+ if (!empty($this->dsn['charset'])) {
+ $result = $this->setCharset($this->dsn['charset'], $connection);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ }
+
+ $this->connection = $connection;
+ $this->connected_dsn = $this->dsn;
+ $this->connected_database_name = $database_file;
+ $this->opened_persistent = $this->getoption('persistent');
+ $this->dbsyntax = $this->dsn['dbsyntax'] ? $this->dsn['dbsyntax'] : $this->phptype;
+ }
+ return MDB2_OK;
+ }
+
+ // }}}
+ // {{{ disconnect()
+
+ /**
+ * Log out and disconnect from the database.
+ *
+ * @param boolean $force if the disconnect should be forced even if the
+ * connection is opened persistently
+ * @return mixed true on success, false if not connected and error
+ * object on error
+ * @access public
+ */
+ function disconnect($force = true)
+ {
+ if (is_resource($this->connection)) {
+ if ($this->in_transaction) {
+ $dsn = $this->dsn;
+ $database_name = $this->database_name;
+ $persistent = $this->options['persistent'];
+ $this->dsn = $this->connected_dsn;
+ $this->database_name = $this->connected_database_name;
+ $this->options['persistent'] = $this->opened_persistent;
+ $this->rollback();
+ $this->dsn = $dsn;
+ $this->database_name = $database_name;
+ $this->options['persistent'] = $persistent;
+ }
+
+ if (!$this->opened_persistent || $force) {
+ @sqlite_close($this->connection);
+ }
+ }
+ return parent::disconnect($force);
+ }
+
+ // }}}
+ // {{{ getConnection()
+
+ /**
+ * Returns a native connection
+ *
+ * @return mixed a valid MDB2 connection object,
+ * or a MDB2 error object on error
+ * @access public
+ */
+ function getConnection()
+ {
+ $connection = parent::getConnection();
+ if (PEAR::isError($connection)) {
+ return $connection;
+ }
+
+ $fix_assoc_fields_names = $this->options['portability'] & MDB2_PORTABILITY_FIX_ASSOC_FIELD_NAMES;
+ if ($fix_assoc_fields_names !== $this->fix_assoc_fields_names) {
+ @sqlite_query("PRAGMA short_column_names = $fix_assoc_fields_names;", $connection);
+ $this->fix_assoc_fields_names = $fix_assoc_fields_names;
+ }
+
+ return $connection;
+ }
+
+ // }}}
+ // {{{ _doQuery()
+
+ /**
+ * Execute a query
+ * @param string $query query
+ * @param boolean $is_manip if the query is a manipulation query
+ * @param resource $connection
+ * @param string $database_name
+ * @return result or error object
+ * @access protected
+ */
+ function &_doQuery($query, $is_manip = false, $connection = null, $database_name = null)
+ {
+ $this->last_query = $query;
+ $result = $this->debug($query, 'query', array('is_manip' => $is_manip, 'when' => 'pre'));
+ if ($result) {
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ $query = $result;
+ }
+ if ($this->options['disable_query']) {
+ $result = $is_manip ? 0 : null;
+ return $result;
+ }
+
+ if (is_null($connection)) {
+ $connection = $this->getConnection();
+ if (PEAR::isError($connection)) {
+ return $connection;
+ }
+ }
+
+ $function = $this->options['result_buffering']
+ ? 'sqlite_query' : 'sqlite_unbuffered_query';
+ $php_errormsg = '';
+ if (version_compare('5.1.0', PHP_VERSION, '>')) {
+ @ini_set('track_errors', true);
+ do {
+ $result = @$function($query.';', $connection);
+ } while (sqlite_last_error($connection) == SQLITE_SCHEMA);
+ @ini_restore('track_errors');
+ } else {
+ do {
+ $result = @$function($query.';', $connection, SQLITE_BOTH, $php_errormsg);
+ } while (sqlite_last_error($connection) == SQLITE_SCHEMA);
+ }
+ $this->_lasterror = $php_errormsg;
+
+ if (!$result) {
+ $err =& $this->raiseError(null, null, null,
+ 'Could not execute statement', __FUNCTION__);
+ return $err;
+ }
+
+ $this->debug($query, 'query', array('is_manip' => $is_manip, 'when' => 'post', 'result' => $result));
+ return $result;
+ }
+
+ // }}}
+ // {{{ _affectedRows()
+
+ /**
+ * Returns the number of rows affected
+ *
+ * @param resource $result
+ * @param resource $connection
+ * @return mixed MDB2 Error Object or the number of rows affected
+ * @access private
+ */
+ function _affectedRows($connection, $result = null)
+ {
+ if (is_null($connection)) {
+ $connection = $this->getConnection();
+ if (PEAR::isError($connection)) {
+ return $connection;
+ }
+ }
+ return @sqlite_changes($connection);
+ }
+
+ // }}}
+ // {{{ _modifyQuery()
+
+ /**
+ * Changes a query string for various DBMS specific reasons
+ *
+ * @param string $query query to modify
+ * @param boolean $is_manip if it is a DML query
+ * @param integer $limit limit the number of rows
+ * @param integer $offset start reading from given offset
+ * @return string modified query
+ * @access protected
+ */
+ function _modifyQuery($query, $is_manip, $limit, $offset)
+ {
+ if ($this->options['portability'] & MDB2_PORTABILITY_DELETE_COUNT) {
+ if (preg_match('/^\s*DELETE\s+FROM\s+(\S+)\s*$/i', $query)) {
+ $query = preg_replace('/^\s*DELETE\s+FROM\s+(\S+)\s*$/',
+ 'DELETE FROM \1 WHERE 1=1', $query);
+ }
+ }
+ if ($limit > 0
+ && !preg_match('/LIMIT\s*\d(?:\s*(?:,|OFFSET)\s*\d+)?(?:[^\)]*)?$/i', $query)
+ ) {
+ $query = rtrim($query);
+ if (substr($query, -1) == ';') {
+ $query = substr($query, 0, -1);
+ }
+ if ($is_manip) {
+ $query.= " LIMIT $limit";
+ } else {
+ $query.= " LIMIT $offset,$limit";
+ }
+ }
+ return $query;
+ }
+
+ // }}}
+ // {{{ getServerVersion()
+
+ /**
+ * return version information about the server
+ *
+ * @param bool $native determines if the raw version string should be returned
+ * @return mixed array/string with version information or MDB2 error object
+ * @access public
+ */
+ function getServerVersion($native = false)
+ {
+ $server_info = false;
+ if ($this->connected_server_info) {
+ $server_info = $this->connected_server_info;
+ } elseif ($this->options['server_version']) {
+ $server_info = $this->options['server_version'];
+ } elseif (function_exists('sqlite_libversion')) {
+ $server_info = @sqlite_libversion();
+ }
+ if (!$server_info) {
+ return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'Requires either the "server_version" option or the sqlite_libversion() function', __FUNCTION__);
+ }
+ // cache server_info
+ $this->connected_server_info = $server_info;
+ if (!$native) {
+ $tmp = explode('.', $server_info, 3);
+ $server_info = array(
+ 'major' => isset($tmp[0]) ? $tmp[0] : null,
+ 'minor' => isset($tmp[1]) ? $tmp[1] : null,
+ 'patch' => isset($tmp[2]) ? $tmp[2] : null,
+ 'extra' => null,
+ 'native' => $server_info,
+ );
+ }
+ return $server_info;
+ }
+
+ // }}}
+ // {{{ replace()
+
+ /**
+ * Execute a SQL REPLACE query. A REPLACE query is identical to a INSERT
+ * query, except that if there is already a row in the table with the same
+ * key field values, the REPLACE query just updates its values instead of
+ * inserting a new row.
+ *
+ * The REPLACE type of query does not make part of the SQL standards. Since
+ * practically only SQLite implements it natively, this type of query is
+ * emulated through this method for other DBMS using standard types of
+ * queries inside a transaction to assure the atomicity of the operation.
+ *
+ * @access public
+ *
+ * @param string $table name of the table on which the REPLACE query will
+ * be executed.
+ * @param array $fields associative array that describes the fields and the
+ * values that will be inserted or updated in the specified table. The
+ * indexes of the array are the names of all the fields of the table. The
+ * values of the array are also associative arrays that describe the
+ * values and other properties of the table fields.
+ *
+ * Here follows a list of field properties that need to be specified:
+ *
+ * value:
+ * Value to be assigned to the specified field. This value may be
+ * of specified in database independent type format as this
+ * function can perform the necessary datatype conversions.
+ *
+ * Default:
+ * this property is required unless the Null property
+ * is set to 1.
+ *
+ * type
+ * Name of the type of the field. Currently, all types Metabase
+ * are supported except for clob and blob.
+ *
+ * Default: no type conversion
+ *
+ * null
+ * Boolean property that indicates that the value for this field
+ * should be set to null.
+ *
+ * The default value for fields missing in INSERT queries may be
+ * specified the definition of a table. Often, the default value
+ * is already null, but since the REPLACE may be emulated using
+ * an UPDATE query, make sure that all fields of the table are
+ * listed in this function argument array.
+ *
+ * Default: 0
+ *
+ * key
+ * Boolean property that indicates that this field should be
+ * handled as a primary key or at least as part of the compound
+ * unique index of the table that will determine the row that will
+ * updated if it exists or inserted a new row otherwise.
+ *
+ * This function will fail if no key field is specified or if the
+ * value of a key field is set to null because fields that are
+ * part of unique index they may not be null.
+ *
+ * Default: 0
+ *
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ */
+ function replace($table, $fields)
+ {
+ $count = count($fields);
+ $query = $values = '';
+ $keys = $colnum = 0;
+ for (reset($fields); $colnum < $count; next($fields), $colnum++) {
+ $name = key($fields);
+ if ($colnum > 0) {
+ $query .= ',';
+ $values.= ',';
+ }
+ $query.= $name;
+ if (isset($fields[$name]['null']) && $fields[$name]['null']) {
+ $value = 'NULL';
+ } else {
+ $type = isset($fields[$name]['type']) ? $fields[$name]['type'] : null;
+ $value = $this->quote($fields[$name]['value'], $type);
+ if (PEAR::isError($value)) {
+ return $value;
+ }
+ }
+ $values.= $value;
+ if (isset($fields[$name]['key']) && $fields[$name]['key']) {
+ if ($value === 'NULL') {
+ return $this->raiseError(MDB2_ERROR_CANNOT_REPLACE, null, null,
+ 'key value '.$name.' may not be NULL', __FUNCTION__);
+ }
+ $keys++;
+ }
+ }
+ if ($keys == 0) {
+ return $this->raiseError(MDB2_ERROR_CANNOT_REPLACE, null, null,
+ 'not specified which fields are keys', __FUNCTION__);
+ }
+
+ $connection = $this->getConnection();
+ if (PEAR::isError($connection)) {
+ return $connection;
+ }
+
+ $query = "REPLACE INTO $table ($query) VALUES ($values)";
+ $result =& $this->_doQuery($query, true, $connection);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ return $this->_affectedRows($connection, $result);
+ }
+
+ // }}}
+ // {{{ nextID()
+
+ /**
+ * Returns the next free id of a sequence
+ *
+ * @param string $seq_name name of the sequence
+ * @param boolean $ondemand when true the sequence is
+ * automatic created, if it
+ * not exists
+ *
+ * @return mixed MDB2 Error Object or id
+ * @access public
+ */
+ function nextID($seq_name, $ondemand = true)
+ {
+ $sequence_name = $this->quoteIdentifier($this->getSequenceName($seq_name), true);
+ $seqcol_name = $this->options['seqcol_name'];
+ $query = "INSERT INTO $sequence_name ($seqcol_name) VALUES (NULL)";
+ $this->expectError(MDB2_ERROR_NOSUCHTABLE);
+ $result =& $this->_doQuery($query, true);
+ $this->popExpect();
+ if (PEAR::isError($result)) {
+ if ($ondemand && $result->getCode() == MDB2_ERROR_NOSUCHTABLE) {
+ $this->loadModule('Manager', null, true);
+ $result = $this->manager->createSequence($seq_name);
+ if (PEAR::isError($result)) {
+ return $this->raiseError($result, null, null,
+ 'on demand sequence '.$seq_name.' could not be created', __FUNCTION__);
+ } else {
+ return $this->nextID($seq_name, false);
+ }
+ }
+ return $result;
+ }
+ $value = $this->lastInsertID();
+ if (is_numeric($value)) {
+ $query = "DELETE FROM $sequence_name WHERE $seqcol_name < $value";
+ $result =& $this->_doQuery($query, true);
+ if (PEAR::isError($result)) {
+ $this->warnings[] = 'nextID: could not delete previous sequence table values from '.$seq_name;
+ }
+ }
+ return $value;
+ }
+
+ // }}}
+ // {{{ lastInsertID()
+
+ /**
+ * Returns the autoincrement ID if supported or $id or fetches the current
+ * ID in a sequence called: $table.(empty($field) ? '' : '_'.$field)
+ *
+ * @param string $table name of the table into which a new row was inserted
+ * @param string $field name of the field into which a new row was inserted
+ * @return mixed MDB2 Error Object or id
+ * @access public
+ */
+ function lastInsertID($table = null, $field = null)
+ {
+ $connection = $this->getConnection();
+ if (PEAR::isError($connection)) {
+ return $connection;
+ }
+ $value = @sqlite_last_insert_rowid($connection);
+ if (!$value) {
+ return $this->raiseError(null, null, null,
+ 'Could not get last insert ID', __FUNCTION__);
+ }
+ return $value;
+ }
+
+ // }}}
+ // {{{ currID()
+
+ /**
+ * Returns the current id of a sequence
+ *
+ * @param string $seq_name name of the sequence
+ * @return mixed MDB2 Error Object or id
+ * @access public
+ */
+ function currID($seq_name)
+ {
+ $sequence_name = $this->quoteIdentifier($this->getSequenceName($seq_name), true);
+ $seqcol_name = $this->quoteIdentifier($this->options['seqcol_name'], true);
+ $query = "SELECT MAX($seqcol_name) FROM $sequence_name";
+ return $this->queryOne($query, 'integer');
+ }
+}
+
+/**
+ * MDB2 SQLite result driver
+ *
+ * @package MDB2
+ * @category Database
+ * @author Lukas Smith <smith@pooteeweet.org>
+ */
+class MDB2_Result_sqlite extends MDB2_Result_Common
+{
+ // }}}
+ // {{{ fetchRow()
+
+ /**
+ * Fetch a row and insert the data into an existing array.
+ *
+ * @param int $fetchmode how the array data should be indexed
+ * @param int $rownum number of the row where the data can be found
+ * @return int data array on success, a MDB2 error on failure
+ * @access public
+ */
+ function &fetchRow($fetchmode = MDB2_FETCHMODE_DEFAULT, $rownum = null)
+ {
+ if (!is_null($rownum)) {
+ $seek = $this->seek($rownum);
+ if (PEAR::isError($seek)) {
+ return $seek;
+ }
+ }
+ if ($fetchmode == MDB2_FETCHMODE_DEFAULT) {
+ $fetchmode = $this->db->fetchmode;
+ }
+ if ($fetchmode & MDB2_FETCHMODE_ASSOC) {
+ $row = @sqlite_fetch_array($this->result, SQLITE_ASSOC);
+ if (is_array($row)
+ && $this->db->options['portability'] & MDB2_PORTABILITY_FIX_CASE
+ ) {
+ $row = array_change_key_case($row, $this->db->options['field_case']);
+ }
+ } else {
+ $row = @sqlite_fetch_array($this->result, SQLITE_NUM);
+ }
+ if (!$row) {
+ if ($this->result === false) {
+ $err =& $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
+ 'resultset has already been freed', __FUNCTION__);
+ return $err;
+ }
+ $null = null;
+ return $null;
+ }
+ $mode = $this->db->options['portability'] & MDB2_PORTABILITY_EMPTY_TO_NULL;
+ $rtrim = false;
+ if ($this->db->options['portability'] & MDB2_PORTABILITY_RTRIM) {
+ if (empty($this->types)) {
+ $mode += MDB2_PORTABILITY_RTRIM;
+ } else {
+ $rtrim = true;
+ }
+ }
+ if ($mode) {
+ $this->db->_fixResultArrayValues($row, $mode);
+ }
+ if (!empty($this->types)) {
+ $row = $this->db->datatype->convertResultRow($this->types, $row, $rtrim);
+ }
+ if (!empty($this->values)) {
+ $this->_assignBindColumns($row);
+ }
+ if ($fetchmode === MDB2_FETCHMODE_OBJECT) {
+ $object_class = $this->db->options['fetch_class'];
+ if ($object_class == 'stdClass') {
+ $row = (object) $row;
+ } else {
+ $row = &new $object_class($row);
+ }
+ }
+ ++$this->rownum;
+ return $row;
+ }
+
+ // }}}
+ // {{{ _getColumnNames()
+
+ /**
+ * Retrieve the names of columns returned by the DBMS in a query result.
+ *
+ * @return mixed Array variable that holds the names of columns as keys
+ * or an MDB2 error on failure.
+ * Some DBMS may not return any columns when the result set
+ * does not contain any rows.
+ * @access private
+ */
+ function _getColumnNames()
+ {
+ $columns = array();
+ $numcols = $this->numCols();
+ if (PEAR::isError($numcols)) {
+ return $numcols;
+ }
+ for ($column = 0; $column < $numcols; $column++) {
+ $column_name = @sqlite_field_name($this->result, $column);
+ $columns[$column_name] = $column;
+ }
+ if ($this->db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $columns = array_change_key_case($columns, $this->db->options['field_case']);
+ }
+ return $columns;
+ }
+
+ // }}}
+ // {{{ numCols()
+
+ /**
+ * Count the number of columns returned by the DBMS in a query result.
+ *
+ * @access public
+ * @return mixed integer value with the number of columns, a MDB2 error
+ * on failure
+ */
+ function numCols()
+ {
+ $cols = @sqlite_num_fields($this->result);
+ if (is_null($cols)) {
+ if ($this->result === false) {
+ return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
+ 'resultset has already been freed', __FUNCTION__);
+ } elseif (is_null($this->result)) {
+ return count($this->types);
+ }
+ return $this->db->raiseError(null, null, null,
+ 'Could not get column count', __FUNCTION__);
+ }
+ return $cols;
+ }
+}
+
+/**
+ * MDB2 SQLite buffered result driver
+ *
+ * @package MDB2
+ * @category Database
+ * @author Lukas Smith <smith@pooteeweet.org>
+ */
+class MDB2_BufferedResult_sqlite extends MDB2_Result_sqlite
+{
+ // {{{ seek()
+
+ /**
+ * Seek to a specific row in a result set
+ *
+ * @param int $rownum number of the row where the data can be found
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function seek($rownum = 0)
+ {
+ if (!@sqlite_seek($this->result, $rownum)) {
+ if ($this->result === false) {
+ return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
+ 'resultset has already been freed', __FUNCTION__);
+ } elseif (is_null($this->result)) {
+ return MDB2_OK;
+ }
+ return $this->db->raiseError(MDB2_ERROR_INVALID, null, null,
+ 'tried to seek to an invalid row number ('.$rownum.')', __FUNCTION__);
+ }
+ $this->rownum = $rownum - 1;
+ return MDB2_OK;
+ }
+
+ // }}}
+ // {{{ valid()
+
+ /**
+ * Check if the end of the result set has been reached
+ *
+ * @return mixed true or false on sucess, a MDB2 error on failure
+ * @access public
+ */
+ function valid()
+ {
+ $numrows = $this->numRows();
+ if (PEAR::isError($numrows)) {
+ return $numrows;
+ }
+ return $this->rownum < ($numrows - 1);
+ }
+
+ // }}}
+ // {{{ numRows()
+
+ /**
+ * Returns the number of rows in a result object
+ *
+ * @return mixed MDB2 Error Object or the number of rows
+ * @access public
+ */
+ function numRows()
+ {
+ $rows = @sqlite_num_rows($this->result);
+ if (is_null($rows)) {
+ if ($this->result === false) {
+ return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
+ 'resultset has already been freed', __FUNCTION__);
+ } elseif (is_null($this->result)) {
+ return 0;
+ }
+ return $this->db->raiseError(null, null, null,
+ 'Could not get row count', __FUNCTION__);
+ }
+ return $rows;
+ }
+}
+
+/**
+ * MDB2 SQLite statement driver
+ *
+ * @package MDB2
+ * @category Database
+ * @author Lukas Smith <smith@pooteeweet.org>
+ */
+class MDB2_Statement_sqlite extends MDB2_Statement_Common
+{
+
+}
+
+?>
\ No newline at end of file |