diff options
Diffstat (limited to 'program/lib/MDB2/Driver')
27 files changed, 10661 insertions, 8706 deletions
diff --git a/program/lib/MDB2/Driver/Datatype/Common.php b/program/lib/MDB2/Driver/Datatype/Common.php index 01423e44c..2134e64db 100644 --- a/program/lib/MDB2/Driver/Datatype/Common.php +++ b/program/lib/MDB2/Driver/Datatype/Common.php @@ -1,1830 +1,1824 @@ -<?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;
- }
-}
+<?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 1.137 2008/02/17 18:53:40 afz 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']); + + $notnull = empty($field['notnull']) ? '' : ' NOT NULL'; + $default = ''; + if (array_key_exists('default', $field)) { + if ($field['default'] === '') { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + $valid_default_values = $this->getValidTypes(); + $field['default'] = $valid_default_values[$field['type']]; + if ($field['default'] === ''&& ($db->options['portability'] & MDB2_PORTABILITY_EMPTY_TO_NULL)) { + $field['default'] = ' '; + } + } + if (!is_null($field['default'])) { + $default = ' DEFAULT ' . $this->quote($field['default'], $field['type']); + } + } + + $collation = empty($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('/[^\.\d]/', $value)) { + if (strpos($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 index 4bdad8c57..fff343c73 100644 --- a/program/lib/MDB2/Driver/Datatype/mssql.php +++ b/program/lib/MDB2/Driver/Datatype/mssql.php @@ -1,498 +1,436 @@ -<?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);
- }
- // }}}
-}
-
+<?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 1.65 2008/02/19 14:54:17 afz 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 ''; + } + + // }}} + // {{{ _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; + } + + $notnull = empty($field['notnull']) ? ' NULL' : ' NOT NULL'; + $default = $autoinc = ''; + if (!empty($field['autoincrement'])) { + $autoinc = ' IDENTITY PRIMARY KEY'; + } elseif (array_key_exists('default', $field)) { + if ($field['default'] === '') { + $field['default'] = 0; + } + if (is_null($field['default'])) { + $default = ' DEFAULT (null)'; + } else { + $default = ' DEFAULT (' . $this->quote($field['default'], 'integer') . ')'; + } + } + + 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($field).$notnull.$default.$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; + } + $value = '0x'.bin2hex($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 index 388d0b2b4..f54dd0a9c 100644 --- a/program/lib/MDB2/Driver/Datatype/mysql.php +++ b/program/lib/MDB2/Driver/Datatype/mysql.php @@ -3,7 +3,7 @@ // +----------------------------------------------------------------------+
// | PHP versions 4 and 5 |
// +----------------------------------------------------------------------+
-// | Copyright (c) 1998-2007 Manuel Lemos, Tomas V.V.Cox, |
+// | Copyright (c) 1998-2008 Manuel Lemos, Tomas V.V.Cox, |
// | Stig. S. Bakken, Lukas Smith |
// | All rights reserved. |
// +----------------------------------------------------------------------+
@@ -43,7 +43,7 @@ // | Author: Lukas Smith <smith@pooteeweet.org> |
// +----------------------------------------------------------------------+
//
-// $Id: mysql.php,v 1.62 2007/11/09 20:54:58 quipo Exp $
+// $Id: mysql.php,v 1.65 2008/02/22 19:23:49 quipo Exp $
//
require_once 'MDB2/Driver/Datatype/Common.php';
@@ -232,6 +232,93 @@ class MDB2_Driver_Datatype_mysql extends MDB2_Driver_Datatype_Common $field['default'] = empty($field['notnull']) ? null : 0;
}
$default = ' DEFAULT '.$this->quote($field['default'], 'integer');
+ }
+
+ $notnull = empty($field['notnull']) ? '' : ' NOT NULL';
+ $unsigned = empty($field['unsigned']) ? '' : ' UNSIGNED';
+ $name = $db->quoteIdentifier($name, true);
+ return $name.' '.$this->getTypeDeclaration($field).$unsigned.$default.$notnull.$autoinc;
+ }
+
+ // }}}
+ // {{{ _getFloatDeclaration()
+
+ /**
+ * Obtain DBMS specific SQL code portion needed to declare an float type
+ * field to be used in statements like CREATE TABLE.
+ *
+ * @param string $name name the field to be declared.
+ * @param string $field associative array with the name of the properties
+ * of the field being declared as array indexes.
+ * Currently, the types of supported field
+ * properties are as follows:
+ *
+ * unsigned
+ * Boolean flag that indicates whether the field
+ * should be declared as unsigned float if
+ * possible.
+ *
+ * default
+ * float value to be used as default for this
+ * field.
+ *
+ * notnull
+ * Boolean flag that indicates whether this field is
+ * constrained to not be set to null.
+ * @return string DBMS specific SQL code portion that should be used to
+ * declare the specified field.
+ * @access protected
+ */
+ function _getFloatDeclaration($name, $field)
+ {
+ // Since AUTO_INCREMENT can be used for integer or floating-point types,
+ // reuse the INTEGER declaration
+ // @see http://bugs.mysql.com/bug.php?id=31032
+ return $this->_getIntegerDeclaration($name, $field);
+ }
+
+ // }}}
+ // {{{ _getDecimalDeclaration()
+
+ /**
+ * Obtain DBMS specific SQL code portion needed to declare an decimal type
+ * field to be used in statements like CREATE TABLE.
+ *
+ * @param string $name name the field to be declared.
+ * @param string $field associative array with the name of the properties
+ * of the field being declared as array indexes.
+ * Currently, the types of supported field
+ * properties are as follows:
+ *
+ * unsigned
+ * Boolean flag that indicates whether the field
+ * should be declared as unsigned integer if
+ * possible.
+ *
+ * default
+ * Decimal value to be used as default for this
+ * field.
+ *
+ * notnull
+ * Boolean flag that indicates whether this field is
+ * constrained to not be set to null.
+ * @return string DBMS specific SQL code portion that should be used to
+ * declare the specified field.
+ * @access protected
+ */
+ function _getDecimalDeclaration($name, $field)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $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';
}
@@ -239,7 +326,7 @@ class MDB2_Driver_Datatype_mysql extends MDB2_Driver_Datatype_Common $notnull = empty($field['notnull']) ? '' : ' NOT NULL';
$unsigned = empty($field['unsigned']) ? '' : ' UNSIGNED';
$name = $db->quoteIdentifier($name, true);
- return $name.' '.$this->getTypeDeclaration($field).$unsigned.$default.$notnull.$autoinc;
+ return $name.' '.$this->getTypeDeclaration($field).$unsigned.$default.$notnull;
}
// }}}
diff --git a/program/lib/MDB2/Driver/Datatype/mysqli.php b/program/lib/MDB2/Driver/Datatype/mysqli.php index 40f70f24a..deba9194e 100644 --- a/program/lib/MDB2/Driver/Datatype/mysqli.php +++ b/program/lib/MDB2/Driver/Datatype/mysqli.php @@ -43,7 +43,7 @@ // | Author: Lukas Smith <smith@pooteeweet.org> |
// +----------------------------------------------------------------------+
//
-// $Id: mysqli.php,v 1.61 2007/11/09 20:54:58 quipo Exp $
+// $Id: mysqli.php,v 1.63 2008/02/22 19:23:49 quipo Exp $
//
require_once 'MDB2/Driver/Datatype/Common.php';
@@ -232,6 +232,93 @@ class MDB2_Driver_Datatype_mysqli extends MDB2_Driver_Datatype_Common $field['default'] = empty($field['notnull']) ? null : 0;
}
$default = ' DEFAULT '.$this->quote($field['default'], 'integer');
+ }
+
+ $notnull = empty($field['notnull']) ? '' : ' NOT NULL';
+ $unsigned = empty($field['unsigned']) ? '' : ' UNSIGNED';
+ $name = $db->quoteIdentifier($name, true);
+ return $name.' '.$this->getTypeDeclaration($field).$unsigned.$default.$notnull.$autoinc;
+ }
+
+ // }}}
+ // {{{ _getFloatDeclaration()
+
+ /**
+ * Obtain DBMS specific SQL code portion needed to declare an float type
+ * field to be used in statements like CREATE TABLE.
+ *
+ * @param string $name name the field to be declared.
+ * @param string $field associative array with the name of the properties
+ * of the field being declared as array indexes.
+ * Currently, the types of supported field
+ * properties are as follows:
+ *
+ * unsigned
+ * Boolean flag that indicates whether the field
+ * should be declared as unsigned float if
+ * possible.
+ *
+ * default
+ * float value to be used as default for this
+ * field.
+ *
+ * notnull
+ * Boolean flag that indicates whether this field is
+ * constrained to not be set to null.
+ * @return string DBMS specific SQL code portion that should be used to
+ * declare the specified field.
+ * @access protected
+ */
+ function _getFloatDeclaration($name, $field)
+ {
+ // Since AUTO_INCREMENT can be used for integer or floating-point types,
+ // reuse the INTEGER declaration
+ // @see http://bugs.mysql.com/bug.php?id=31032
+ return $this->_getIntegerDeclaration($name, $field);
+ }
+
+ // }}}
+ // {{{ _getDecimalDeclaration()
+
+ /**
+ * Obtain DBMS specific SQL code portion needed to declare an decimal type
+ * field to be used in statements like CREATE TABLE.
+ *
+ * @param string $name name the field to be declared.
+ * @param string $field associative array with the name of the properties
+ * of the field being declared as array indexes.
+ * Currently, the types of supported field
+ * properties are as follows:
+ *
+ * unsigned
+ * Boolean flag that indicates whether the field
+ * should be declared as unsigned integer if
+ * possible.
+ *
+ * default
+ * Decimal value to be used as default for this
+ * field.
+ *
+ * notnull
+ * Boolean flag that indicates whether this field is
+ * constrained to not be set to null.
+ * @return string DBMS specific SQL code portion that should be used to
+ * declare the specified field.
+ * @access protected
+ */
+ function _getDecimalDeclaration($name, $field)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $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';
}
@@ -239,7 +326,7 @@ class MDB2_Driver_Datatype_mysqli extends MDB2_Driver_Datatype_Common $notnull = empty($field['notnull']) ? '' : ' NOT NULL';
$unsigned = empty($field['unsigned']) ? '' : ' UNSIGNED';
$name = $db->quoteIdentifier($name, true);
- return $name.' '.$this->getTypeDeclaration($field).$unsigned.$default.$notnull.$autoinc;
+ return $name.' '.$this->getTypeDeclaration($field).$unsigned.$default.$notnull;
}
// }}}
@@ -356,7 +443,6 @@ class MDB2_Driver_Datatype_mysqli extends MDB2_Driver_Datatype_Common case 'mediumtext':
case 'longtext':
case 'text':
- case 'text':
case 'varchar':
$fixed = false;
case 'string':
diff --git a/program/lib/MDB2/Driver/Datatype/pgsql.php b/program/lib/MDB2/Driver/Datatype/pgsql.php index 8a7e3ff33..c31c7d83a 100644 --- a/program/lib/MDB2/Driver/Datatype/pgsql.php +++ b/program/lib/MDB2/Driver/Datatype/pgsql.php @@ -42,7 +42,7 @@ // | Author: Paul Cooper <pgc@ucecom.com> |
// +----------------------------------------------------------------------+
//
-// $Id: pgsql.php,v 1.88 2007/11/09 20:54:58 quipo Exp $
+// $Id: pgsql.php,v 1.91 2008/03/09 12:28:08 quipo Exp $
require_once 'MDB2/Driver/Datatype/Common.php';
@@ -217,8 +217,6 @@ class MDB2_Driver_Datatype_pgsql extends MDB2_Driver_Datatype_Common $field['default'] = empty($field['notnull']) ? null : 0;
}
$default = ' DEFAULT '.$this->quote($field['default'], 'integer');
- } elseif (empty($field['notnull'])) {
- $default = ' DEFAULT NULL';
}
$notnull = empty($field['notnull']) ? '' : ' NOT NULL';
@@ -453,6 +451,7 @@ class MDB2_Driver_Datatype_pgsql extends MDB2_Driver_Datatype_Common break;
case 'datetime':
case 'timestamp':
+ case 'timestamptz':
$type[] = 'timestamp';
$length = null;
break;
@@ -461,6 +460,7 @@ class MDB2_Driver_Datatype_pgsql extends MDB2_Driver_Datatype_Common $length = null;
break;
case 'float':
+ case 'float4':
case 'float8':
case 'double':
case 'real':
diff --git a/program/lib/MDB2/Driver/Datatype/sqlite.php b/program/lib/MDB2/Driver/Datatype/sqlite.php index e518e45fa..0310cc77d 100644 --- a/program/lib/MDB2/Driver/Datatype/sqlite.php +++ b/program/lib/MDB2/Driver/Datatype/sqlite.php @@ -43,7 +43,7 @@ // | Author: Lukas Smith <smith@pooteeweet.org> |
// +----------------------------------------------------------------------+
//
-// $Id: sqlite.php,v 1.65 2007/12/03 20:59:51 quipo Exp $
+// $Id: sqlite.php,v 1.67 2008/02/22 19:58:06 quipo Exp $
//
require_once 'MDB2/Driver/Datatype/Common.php';
@@ -212,8 +212,6 @@ class MDB2_Driver_Datatype_sqlite extends MDB2_Driver_Datatype_Common $field['default'] = empty($field['notnull']) ? null : 0;
}
$default = ' DEFAULT '.$this->quote($field['default'], 'integer');
- } elseif (empty($field['notnull'])) {
- $default = ' DEFAULT NULL';
}
$notnull = empty($field['notnull']) ? '' : ' NOT NULL';
@@ -394,7 +392,6 @@ class MDB2_Driver_Datatype_sqlite extends MDB2_Driver_Datatype_Common if (PEAR::isError($db)) {
return $db;
}
-
return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
'unknown database attribute type: '.$db_type, __FUNCTION__);
}
diff --git a/program/lib/MDB2/Driver/Function/Common.php b/program/lib/MDB2/Driver/Function/Common.php index 74971e2bb..d361b5586 100644 --- a/program/lib/MDB2/Driver/Function/Common.php +++ b/program/lib/MDB2/Driver/Function/Common.php @@ -1,249 +1,293 @@ -<?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; - } - - // }}} -} +<?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 1.21 2008/02/17 18:51:39 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)
+ *
+ * @param string $type 'timestamp' | 'time' | 'date'
+ *
+ * @return string to call a variable with the current timestamp
+ * @access public
+ */
+ function now($type = 'timestamp')
+ {
+ switch ($type) {
+ case 'time':
+ return 'CURRENT_TIME';
+ case 'date':
+ return 'CURRENT_DATE';
+ case 'timestamp':
+ default:
+ return 'CURRENT_TIMESTAMP';
+ }
+ }
+
+ // }}}
+ // {{{ unixtimestamp()
+
+ /**
+ * return string to call a function to get the unix timestamp from a iso timestamp
+ *
+ * @param string $expression
+ *
+ * @return string to call a variable with the timestamp
+ * @access public
+ */
+ function unixtimestamp($expression)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $error =& $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'method not implemented', __FUNCTION__);
+ return $error;
+ }
+
+ // }}}
+ // {{{ substring()
+
+ /**
+ * return string to call a function to get a substring inside an SQL statement
+ *
+ * @return string to call a function to get a substring
+ * @access public
+ */
+ function substring($value, $position = 1, $length = null)
+ {
+ if (!is_null($length)) {
+ return "SUBSTRING($value FROM $position FOR $length)";
+ }
+ return "SUBSTRING($value FROM $position)";
+ }
+
+ // }}}
+ // {{{ replace()
+
+ /**
+ * return string to call a function to get replace inside an SQL statement.
+ *
+ * @return string to call a function to get a replace
+ * @access public
+ */
+ function replace($str, $from_str, $to_str)
+ {
+ return "REPLACE($str, $from_str , $to_str)";
+ }
+
+ // }}}
+ // {{{ 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 index 4ee028169..1038901b6 100644 --- a/program/lib/MDB2/Driver/Function/mssql.php +++ b/program/lib/MDB2/Driver/Function/mssql.php @@ -1,178 +1,193 @@ -<?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()'; - } - - // }}} -} -// }}} +<?php
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2008 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 1.16 2008/02/17 18:54:08 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()';
+ }
+ }
+
+ // }}}
+ // {{{ unixtimestamp()
+
+ /**
+ * return string to call a function to get the unix timestamp from a iso timestamp
+ *
+ * @param string $expression
+ *
+ * @return string to call a variable with the timestamp
+ * @access public
+ */
+ function unixtimestamp($expression)
+ {
+ return 'DATEDIFF(second, \'19700101\', '. $expression.') + DATEDIFF(second, GETDATE(), GETUTCDATE())';
+ }
+
+ // }}}
+ // {{{ substring()
+
+ /**
+ * return string to call a function to get a substring inside an SQL statement
+ *
+ * @return string to call a function to get a substring
+ * @access public
+ */
+ function substring($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 index 90dea8174..d8ae7bbf6 100644 --- a/program/lib/MDB2/Driver/Function/mysql.php +++ b/program/lib/MDB2/Driver/Function/mysql.php @@ -1,120 +1,136 @@ -<?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()'; - } - - // }}} -} +<?php
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2008 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 1.12 2008/02/17 18:54:08 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);
+ }
+
+ // }}}
+ // {{{ unixtimestamp()
+
+ /**
+ * return string to call a function to get the unix timestamp from a iso timestamp
+ *
+ * @param string $expression
+ *
+ * @return string to call a variable with the timestamp
+ * @access public
+ */
+ function unixtimestamp($expression)
+ {
+ return 'UNIX_TIMESTAMP('. $expression.')';
+ }
+
+ // }}}
+ // {{{ 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 index 5af55c1fd..c1fe5d60b 100644 --- a/program/lib/MDB2/Driver/Function/mysqli.php +++ b/program/lib/MDB2/Driver/Function/mysqli.php @@ -1,128 +1,144 @@ -<?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()'; - } - - // }}} -} +<?php
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2008 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 1.14 2008/02/17 18:54:08 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;
+ }
+
+ // }}}
+ // {{{ unixtimestamp()
+
+ /**
+ * return string to call a function to get the unix timestamp from a iso timestamp
+ *
+ * @param string $expression
+ *
+ * @return string to call a variable with the timestamp
+ * @access public
+ */
+ function unixtimestamp($expression)
+ {
+ return 'UNIX_TIMESTAMP('. $expression.')';
+ }
+
+ // }}}
+ // {{{ 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 index df1d455f3..8b23ec659 100644 --- a/program/lib/MDB2/Driver/Function/pgsql.php +++ b/program/lib/MDB2/Driver/Function/pgsql.php @@ -1,99 +1,115 @@ -<?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()'; - } - - // }}} -} -?> +<?php
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2008 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 1.10 2008/02/17 18:54:08 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_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);
+ }
+ // }}}
+ // {{{ unixtimestamp()
+
+ /**
+ * return string to call a function to get the unix timestamp from a iso timestamp
+ *
+ * @param string $expression
+ *
+ * @return string to call a variable with the timestamp
+ * @access public
+ */
+ function unixtimestamp($expression)
+ {
+ return 'EXTRACT(EPOCH FROM DATE_TRUNC(\'seconds\', TIMESTAMP '. $expression.'))';
+ }
+
+ // }}}
+ // {{{ 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()';
+ }
+
+ // }}}
+}
+?>
\ No newline at end of file diff --git a/program/lib/MDB2/Driver/Function/sqlite.php b/program/lib/MDB2/Driver/Function/sqlite.php index 3a4960bea..2761059d0 100644 --- a/program/lib/MDB2/Driver/Function/sqlite.php +++ b/program/lib/MDB2/Driver/Function/sqlite.php @@ -1,125 +1,162 @@ -<?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)'; - } - - // }}} -} -?> +<?php
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2008 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 1.10 2008/02/17 18:54:08 quipo 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\')';
+ }
+ }
+
+ // }}}
+ // {{{ unixtimestamp()
+
+ /**
+ * return string to call a function to get the unix timestamp from a iso timestamp
+ *
+ * @param string $expression
+ *
+ * @return string to call a variable with the timestamp
+ * @access public
+ */
+ function unixtimestamp($expression)
+ {
+ return 'strftime("%s",'. $expression.', "utc")';
+ }
+
+ // }}}
+ // {{{ substring()
+
+ /**
+ * return string to call a function to get a substring inside an SQL statement
+ *
+ * @return string to call a function to get a substring
+ * @access public
+ */
+ function substring($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)';
+ }
+
+ // }}}
+ // {{{ replace()
+
+ /**
+ * return string to call a function to get a replacement inside an SQL statement.
+ *
+ * @return string to call a function to get a replace
+ * @access public
+ */
+ function replace($str, $from_str, $to_str)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $error =& $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'method not implemented', __FUNCTION__);
+ return $error;
+ }
+
+ // }}}
+}
+?>
diff --git a/program/lib/MDB2/Driver/Manager/Common.php b/program/lib/MDB2/Driver/Manager/Common.php index da2e329ef..672f577ee 100644 --- a/program/lib/MDB2/Driver/Manager/Common.php +++ b/program/lib/MDB2/Driver/Manager/Common.php @@ -2,7 +2,7 @@ // +----------------------------------------------------------------------+
// | PHP versions 4 and 5 |
// +----------------------------------------------------------------------+
-// | Copyright (c) 1998-2007 Manuel Lemos, Tomas V.V.Cox, |
+// | Copyright (c) 1998-2008 Manuel Lemos, Tomas V.V.Cox, |
// | Stig. S. Bakken, Lukas Smith |
// | All rights reserved. |
// +----------------------------------------------------------------------+
@@ -39,16 +39,18 @@ // | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
// | POSSIBILITY OF SUCH DAMAGE. |
// +----------------------------------------------------------------------+
-// | Author: Lukas Smith <smith@pooteeweet.org> |
+// | Authors: Lukas Smith <smith@pooteeweet.org> |
+// | Lorenzo Alberton <l.alberton@quipo.it> |
// +----------------------------------------------------------------------+
//
-// $Id: Common.php,v 1.68 2007/12/03 20:59:15 quipo Exp $
+// $Id: Common.php,v 1.71 2008/02/12 23:12:27 quipo Exp $
//
/**
* @package MDB2
* @category Database
* @author Lukas Smith <smith@pooteeweet.org>
+ * @author Lorenzo Alberton <l.alberton@quipo.it>
*/
/**
@@ -199,6 +201,29 @@ class MDB2_Driver_Manager_Common extends MDB2_Module_Common }
// }}}
+ // {{{ alterDatabase()
+
+ /**
+ * alter an existing database
+ *
+ * @param string $name name of the database that should be created
+ * @param array $options array with charset, collation info
+ *
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function alterDatabase($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()
/**
@@ -360,6 +385,56 @@ class MDB2_Driver_Manager_Common extends MDB2_Module_Common }
// }}}
+ // {{{ truncateTable()
+
+ /**
+ * Truncate an existing table (if the TRUNCATE TABLE syntax is not supported,
+ * it falls back to a DELETE FROM TABLE query)
+ *
+ * @param string $name name of the table that should be truncated
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function truncateTable($name)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $name = $db->quoteIdentifier($name, true);
+ return $db->exec("DELETE FROM $name");
+ }
+
+ // }}}
+ // {{{ vacuum()
+
+ /**
+ * Optimize (vacuum) all the tables in the db (or only the specified table)
+ * and optionally run ANALYZE.
+ *
+ * @param string $table table name (all the tables if empty)
+ * @param array $options an array with driver-specific options:
+ * - timeout [int] (in seconds) [mssql-only]
+ * - analyze [boolean] [pgsql and mysql]
+ * - full [boolean] [pgsql-only]
+ * - freeze [boolean] [pgsql-only]
+ *
+ * @return mixed MDB2_OK success, a MDB2 error on failure
+ * @access public
+ */
+ function vacuum($table = null, $options = array())
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'method not implemented', __FUNCTION__);
+ }
+
+ // }}}
// {{{ alterTable()
/**
diff --git a/program/lib/MDB2/Driver/Manager/mssql.php b/program/lib/MDB2/Driver/Manager/mssql.php index 9cc66f3b7..fc260f8e6 100644 --- a/program/lib/MDB2/Driver/Manager/mssql.php +++ b/program/lib/MDB2/Driver/Manager/mssql.php @@ -1,815 +1,1129 @@ -<?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;
- }
-
- // }}}
-}
-
-// }}}
+<?php +// +----------------------------------------------------------------------+ +// | PHP versions 4 and 5 | +// +----------------------------------------------------------------------+ +// | Copyright (c) 1998-2008 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 1.109 2008/03/05 12:55:57 afz 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); + } + + // }}} + // {{{ alterDatabase() + + /** + * alter an existing database + * + * @param string $name name of the database that is intended to be changed + * @param array $options array with name, collation info + * + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function alterDatabase($name, $options = array()) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $query = ''; + if (!empty($options['name'])) { + $query .= ' MODIFY NAME = ' .$db->quoteIdentifier($options['name'], true); + } + if (!empty($options['collation'])) { + $query .= ' COLLATE ' . $options['collation']; + } + if (!empty($query)) { + $query = 'ALTER DATABASE '. $db->quoteIdentifier($name, true) . $query; + return $db->standaloneQuery($query, null, true); + } + 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); + 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); + } + + // }}} + // {{{ truncateTable() + + /** + * Truncate an existing table (if the TRUNCATE TABLE syntax is not supported, + * it falls back to a DELETE FROM TABLE query) + * + * @param string $name name of the table that should be truncated + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function truncateTable($name) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $name = $db->quoteIdentifier($name, true); + return $db->exec("TRUNCATE TABLE $name"); + } + + // }}} + // {{{ vacuum() + + /** + * Optimize (vacuum) all the tables in the db (or only the specified table) + * and optionally run ANALYZE. + * + * @param string $table table name (all the tables if empty) + * @param array $options an array with driver-specific options: + * - timeout [int] (in seconds) [mssql-only] + * - analyze [boolean] [pgsql and mysql] + * - full [boolean] [pgsql-only] + * - freeze [boolean] [pgsql-only] + * + * NB: you have to run the NSControl Create utility to enable VACUUM + * + * @return mixed MDB2_OK success, a MDB2 error on failure + * @access public + */ + function vacuum($table = null, $options = array()) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + $timeout = isset($options['timeout']) ? (int)$options['timeout'] : 300; + + $query = 'NSControl Create'; + $result = $db->exec($query); + if (PEAR::isError($result)) { + return $result; + } + + return $db->exec('EXEC NSVacuum '.$timeout); + } + + // }}} + // {{{ 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; + } + $name_quoted = $db->quoteIdentifier($name, true); + + foreach ($changes as $change_name => $change) { + switch ($change_name) { + case 'remove': + case 'rename': + case 'add': + case 'change': + 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; + } + + $idxname_format = $db->getOption('idxname_format'); + $db->setOption('idxname_format', '%s'); + + if (!empty($changes['remove']) && is_array($changes['remove'])) { + $result = $this->_dropConflictingIndices($name, array_keys($changes['remove'])); + if (PEAR::isError($result)) { + $db->setOption('idxname_format', $idxname_format); + return $result; + } + $result = $this->_dropConflictingConstraints($name, array_keys($changes['remove'])); + if (PEAR::isError($result)) { + $db->setOption('idxname_format', $idxname_format); + return $result; + } + + $query = ''; + foreach ($changes['remove'] as $field_name => $field) { + if ($query) { + $query.= ', '; + } + $field_name = $db->quoteIdentifier($field_name, true); + $query.= 'COLUMN ' . $field_name; + } + + $result = $db->exec("ALTER TABLE $name_quoted DROP $query"); + if (PEAR::isError($result)) { + $db->setOption('idxname_format', $idxname_format); + 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 = $db->exec("sp_rename '$name_quoted.$field_name', '".$field['name']."', 'COLUMN'"); + if (PEAR::isError($result)) { + $db->setOption('idxname_format', $idxname_format); + return $result; + } + } + } + + if (!empty($changes['add']) && is_array($changes['add'])) { + $query = ''; + foreach ($changes['add'] as $field_name => $field) { + if ($query) { + $query.= ', '; + } else { + $query.= 'ADD '; + } + $query.= $db->getDeclaration($field['type'], $field_name, $field); + } + + $result = $db->exec("ALTER TABLE $name_quoted $query"); + if (PEAR::isError($result)) { + $db->setOption('idxname_format', $idxname_format); + return $result; + } + } + + $dropped_indices = array(); + $dropped_constraints = array(); + + if (!empty($changes['change']) && is_array($changes['change'])) { + $dropped = $this->_dropConflictingIndices($name, array_keys($changes['change'])); + if (PEAR::isError($dropped)) { + $db->setOption('idxname_format', $idxname_format); + return $dropped; + } + $dropped_indices = array_merge($dropped_indices, $dropped); + $dropped = $this->_dropConflictingConstraints($name, array_keys($changes['change'])); + if (PEAR::isError($dropped)) { + $db->setOption('idxname_format', $idxname_format); + return $dropped; + } + $dropped_constraints = array_merge($dropped_constraints, $dropped); + + foreach ($changes['change'] as $field_name => $field) { + //MSSQL doesn't allow multiple ALTER COLUMNs in one query + $query = 'ALTER COLUMN '; + + //MSSQL doesn't allow changing the DEFAULT value of a field in altering mode + if (array_key_exists('default', $field['definition'])) { + unset($field['definition']['default']); + } + + $query .= $db->getDeclaration($field['definition']['type'], $field_name, $field['definition']); + $result = $db->exec("ALTER TABLE $name_quoted $query"); + if (PEAR::isError($result)) { + $db->setOption('idxname_format', $idxname_format); + return $result; + } + } + } + + // restore the dropped conflicting indices and constraints + foreach ($dropped_indices as $index_name => $index) { + $result = $this->createIndex($name, $index_name, $index); + if (PEAR::isError($result)) { + $db->setOption('idxname_format', $idxname_format); + return $result; + } + } + foreach ($dropped_constraints as $constraint_name => $constraint) { + $result = $this->createConstraint($name, $constraint_name, $constraint); + if (PEAR::isError($result)) { + $db->setOption('idxname_format', $idxname_format); + return $result; + } + } + + $db->setOption('idxname_format', $idxname_format); + + if (!empty($changes['name'])) { + $new_name = $db->quoteIdentifier($changes['name'], true); + $result = $db->exec("sp_rename '$name_quoted', '$new_name'"); + if (PEAR::isError($result)) { + return $result; + } + } + + return MDB2_OK; + } + + // }}} + // {{{ _dropConflictingIndices() + + /** + * Drop the indices that prevent a successful ALTER TABLE action + * + * @param string $table table name + * @param array $fields array of names of the fields affected by the change + * + * @return array dropped indices definitions + */ + function _dropConflictingIndices($table, $fields) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $dropped = array(); + $index_names = $this->listTableIndexes($table); + if (PEAR::isError($index_names)) { + return $index_names; + } + $db->loadModule('Reverse'); + $indexes = array(); + foreach ($index_names as $index_name) { + $idx_def = $db->reverse->getTableIndexDefinition($table, $index_name); + if (!PEAR::isError($idx_def)) { + $indexes[$index_name] = $idx_def; + } + } + foreach ($fields as $field_name) { + foreach ($indexes as $index_name => $index) { + if (!isset($dropped[$index_name]) && array_key_exists($field_name, $index['fields'])) { + $dropped[$index_name] = $index; + $result = $this->dropIndex($table, $index_name); + if (PEAR::isError($result)) { + return $result; + } + } + } + } + + return $dropped; + } + + // }}} + // {{{ _dropConflictingConstraints() + + /** + * Drop the constraints that prevent a successful ALTER TABLE action + * + * @param string $table table name + * @param array $fields array of names of the fields affected by the change + * + * @return array dropped constraints definitions + */ + function _dropConflictingConstraints($table, $fields) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $dropped = array(); + $constraint_names = $this->listTableConstraints($table); + if (PEAR::isError($constraint_names)) { + return $constraint_names; + } + $db->loadModule('Reverse'); + $constraints = array(); + foreach ($constraint_names as $constraint_name) { + $cons_def = $db->reverse->getTableConstraintDefinition($table, $constraint_name); + if (!PEAR::isError($cons_def)) { + $constraints[$constraint_name] = $cons_def; + } + } + foreach ($fields as $field_name) { + foreach ($constraints as $constraint_name => $constraint) { + if (!isset($dropped[$constraint_name]) && array_key_exists($field_name, $constraint['fields'])) { + $dropped[$constraint_name] = $constraint; + $result = $this->dropConstraint($table, $constraint_name); + if (PEAR::isError($result)) { + return $result; + } + } + } + // also drop implicit DEFAULT constraints + $default = $this->_getTableFieldDefaultConstraint($table, $field_name); + if (!PEAR::isError($default) && !empty($default)) { + $result = $this->dropConstraint($table, $default); + if (PEAR::isError($result)) { + return $result; + } + } + } + + return $dropped; + } + + // }}} + // {{{ _getTableFieldDefaultConstraint() + + /** + * Get the default constraint for a table field + * + * @param string $table name of table that should be used in method + * @param string $field name of field that should be used in method + * + * @return mixed name of default constraint on success, a MDB2 error on failure + * @access private + */ + function _getTableFieldDefaultConstraint($table, $field) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $table = $db->quoteIdentifier($table, true); + $field = $db->quote($field, 'text'); + $query = "SELECT OBJECT_NAME(syscolumns.cdefault) + FROM syscolumns + WHERE syscolumns.id = object_id('$table') + AND syscolumns.name = $field + AND syscolumns.cdefault <> 0"; + return $db->queryOne($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 index 84109be27..a055d8d01 100644 --- a/program/lib/MDB2/Driver/Manager/mysql.php +++ b/program/lib/MDB2/Driver/Manager/mysql.php @@ -2,7 +2,7 @@ // +----------------------------------------------------------------------+
// | PHP versions 4 and 5 |
// +----------------------------------------------------------------------+
-// | Copyright (c) 1998-2007 Manuel Lemos, Tomas V.V.Cox, |
+// | Copyright (c) 1998-2008 Manuel Lemos, Tomas V.V.Cox, |
// | Stig. S. Bakken, Lukas Smith |
// | All rights reserved. |
// +----------------------------------------------------------------------+
@@ -42,7 +42,7 @@ // | Author: Lukas Smith <smith@pooteeweet.org> |
// +----------------------------------------------------------------------+
//
-// $Id: mysql.php,v 1.100 2007/12/03 20:59:15 quipo Exp $
+// $Id: mysql.php,v 1.108 2008/03/11 19:58:12 quipo Exp $
//
require_once 'MDB2/Driver/Manager/Common.php';
@@ -79,16 +79,41 @@ class MDB2_Driver_Manager_mysql extends MDB2_Driver_Manager_Common $name = $db->quoteIdentifier($name, true);
$query = 'CREATE DATABASE ' . $name;
if (!empty($options['charset'])) {
- $query .= ' DEFAULT CHARACTER SET ' . $options['charset'];
+ $query .= ' DEFAULT CHARACTER SET ' . $db->quote($options['charset'], 'text');
}
if (!empty($options['collation'])) {
- $query .= ' COLLATE ' . $options['collation'];
+ $query .= ' COLLATE ' . $db->quote($options['collation'], 'text');
}
- $result = $db->exec($query);
- if (PEAR::isError($result)) {
- return $result;
+ return $db->standaloneQuery($query, null, true);
+ }
+
+ // }}}
+ // {{{ alterDatabase()
+
+ /**
+ * alter an existing database
+ *
+ * @param string $name name of the database that is intended to be changed
+ * @param array $options array with charset, collation info
+ *
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function alterDatabase($name, $options = array())
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
}
- return MDB2_OK;
+
+ $query = 'ALTER DATABASE '. $db->quoteIdentifier($name, true);
+ if (!empty($options['charset'])) {
+ $query .= ' DEFAULT CHARACTER SET ' . $db->quote($options['charset'], 'text');
+ }
+ if (!empty($options['collation'])) {
+ $query .= ' COLLATE ' . $db->quote($options['collation'], 'text');
+ }
+ return $db->standaloneQuery($query, null, true);
}
// }}}
@@ -110,11 +135,7 @@ class MDB2_Driver_Manager_mysql extends MDB2_Driver_Manager_Common $name = $db->quoteIdentifier($name, true);
$query = "DROP DATABASE $name";
- $result = $db->exec($query);
- if (PEAR::isError($result)) {
- return $result;
- }
- return MDB2_OK;
+ return $db->standaloneQuery($query, null, true);
}
// }}}
@@ -188,11 +209,37 @@ class MDB2_Driver_Manager_mysql extends MDB2_Driver_Manager_Common return $db;
}
+ // if we have an AUTO_INCREMENT column and a PK on more than one field,
+ // we have to handle it differently...
+ $autoincrement = null;
+ if (empty($options['primary'])) {
+ $pk_fields = array();
+ foreach ($fields as $fieldname => $def) {
+ if (!empty($def['primary'])) {
+ $pk_fields[$fieldname] = true;
+ }
+ if (!empty($def['autoincrement'])) {
+ $autoincrement = $fieldname;
+ }
+ }
+ if (!is_null($autoincrement) && count($pk_fields) > 1) {
+ $options['primary'] = $pk_fields;
+ } else {
+ // the PK constraint is on max one field => OK
+ $autoincrement = null;
+ }
+ }
+
$query = $this->_getCreateTableQuery($name, $fields, $options);
if (PEAR::isError($query)) {
return $query;
}
+ if (!is_null($autoincrement)) {
+ // we have to remove the PK clause added by _getIntegerDeclaration()
+ $query = str_replace('AUTO_INCREMENT PRIMARY KEY', 'AUTO_INCREMENT', $query);
+ }
+
$options_strings = array();
if (!empty($options['comment'])) {
@@ -227,6 +274,112 @@ class MDB2_Driver_Manager_mysql extends MDB2_Driver_Manager_Common }
// }}}
+ // {{{ 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 $result;
+ }
+ }
+ }
+ }
+
+ return parent::dropTable($name);
+ }
+
+ // }}}
+ // {{{ truncateTable()
+
+ /**
+ * Truncate an existing table (if the TRUNCATE TABLE syntax is not supported,
+ * it falls back to a DELETE FROM TABLE query)
+ *
+ * @param string $name name of the table that should be truncated
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function truncateTable($name)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $name = $db->quoteIdentifier($name, true);
+ return $db->exec("TRUNCATE TABLE $name");
+ }
+
+ // }}}
+ // {{{ vacuum()
+
+ /**
+ * Optimize (vacuum) all the tables in the db (or only the specified table)
+ * and optionally run ANALYZE.
+ *
+ * @param string $table table name (all the tables if empty)
+ * @param array $options an array with driver-specific options:
+ * - timeout [int] (in seconds) [mssql-only]
+ * - analyze [boolean] [pgsql and mysql]
+ * - full [boolean] [pgsql-only]
+ * - freeze [boolean] [pgsql-only]
+ *
+ * @return mixed MDB2_OK success, a MDB2 error on failure
+ * @access public
+ */
+ function vacuum($table = null, $options = array())
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ if (empty($table)) {
+ $table = $this->listTables();
+ if (PEAR::isError($table)) {
+ return $table;
+ }
+ }
+ if (is_array($table)) {
+ foreach (array_keys($table) as $k) {
+ $table[$k] = $db->quoteIdentifier($table[$k], true);
+ }
+ $table = implode(', ', $table);
+ } else {
+ $table = $db->quoteIdentifier($table, true);
+ }
+
+ $result = $db->exec('OPTIMIZE TABLE '.$table);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ if (!empty($options['analyze'])) {
+ return $db->exec('ANALYZE TABLE '.$table);
+ }
+ return MDB2_OK;
+ }
+
+ // }}}
// {{{ alterTable()
/**
@@ -629,33 +782,34 @@ class MDB2_Driver_Manager_mysql extends MDB2_Driver_Manager_Common * 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.
+ * @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.
+ * 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.
+ * 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()
- * )
+ * 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
*/
@@ -800,10 +954,10 @@ class MDB2_Driver_Manager_mysql extends MDB2_Driver_Manager_Common 'invalid definition, could not create constraint', __FUNCTION__);
}
- $table = $db->quoteIdentifier($table, true);
- $query = "ALTER TABLE $table ADD $type $name";
+ $table_quoted = $db->quoteIdentifier($table, true);
+ $query = "ALTER TABLE $table_quoted ADD $type $name";
if (!empty($definition['foreign'])) {
- $query .= ' FOREIGN KEY ';
+ $query .= ' FOREIGN KEY';
}
$fields = array();
foreach (array_keys($definition['fields']) as $field) {
@@ -819,7 +973,14 @@ class MDB2_Driver_Manager_mysql extends MDB2_Driver_Manager_Common $query .= ' ('. implode(', ', $referenced_fields) . ')';
$query .= $this->_getAdvancedFKOptions($definition);
}
- return $db->exec($query);
+ $res = $db->exec($query);
+ if (PEAR::isError($res)) {
+ return $res;
+ }
+ if (!empty($definition['foreign'])) {
+ return $this->_createFKTriggers($table, array($name => $definition));
+ }
+ return MDB2_OK;
}
// }}}
@@ -841,17 +1002,211 @@ class MDB2_Driver_Manager_mysql extends MDB2_Driver_Manager_Common return $db;
}
- $table = $db->quoteIdentifier($table, true);
if ($primary || strtolower($name) == 'primary') {
- $query = "ALTER TABLE $table DROP PRIMARY KEY";
- } else {
+ $query = 'ALTER TABLE '. $db->quoteIdentifier($table, true) .' DROP PRIMARY KEY';
+ return $db->exec($query);
+ }
+
+ //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
+ $table = $db->quoteIdentifier($table, true);
$name = $db->quoteIdentifier($db->getIndexName($name), true);
- $query = "ALTER TABLE $table DROP INDEX $name";
+ $query = "ALTER TABLE $table DROP FOREIGN KEY $name";
+ return $db->exec($query);
}
+
+ $table = $db->quoteIdentifier($table, true);
+ $name = $db->quoteIdentifier($db->getIndexName($name), true);
+ $query = "ALTER TABLE $table DROP INDEX $name";
return $db->exec($query);
}
// }}}
+ // {{{ _createFKTriggers()
+
+ /**
+ * Create triggers to enforce the FOREIGN KEY constraint on the table
+ *
+ * NB: since there's no RAISE_APPLICATION_ERROR facility in mysql,
+ * we call a non-existent procedure to raise the FK violation message.
+ * @see http://forums.mysql.com/read.php?99,55108,71877#msg-71877
+ *
+ * @param string $table table name
+ * @param array $foreign_keys FOREIGN KEY definitions
+ *
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access private
+ */
+ function _createFKTriggers($table, $foreign_keys)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+ // create triggers to enforce FOREIGN KEY constraints
+ if ($db->supports('triggers') && !empty($foreign_keys)) {
+ $table = $db->quoteIdentifier($table, true);
+ foreach ($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',
+ );
+ $table_fields = array_keys($fkdef['fields']);
+ $referenced_fields = array_keys($fkdef['references']['fields']);
+
+ //create the ON [UPDATE|DELETE] triggers on the primary table
+ $restrict_action = ' IF (SELECT ';
+ $aliased_fields = array();
+ foreach ($table_fields as $field) {
+ $aliased_fields[] = $table .'.'.$field .' AS '.$field;
+ }
+ $restrict_action .= implode(',', $aliased_fields)
+ .' FROM '.$table
+ .' 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 ', $conditions).') IS NOT NULL'
+ .' THEN CALL %s_ON_TABLE_'.$table.'_VIOLATES_FOREIGN_KEY_CONSTRAINT();'
+ .' END IF;';
+
+ $cascade_action_update = 'UPDATE '.$table.' SET '.implode(', ', $new_values) .' WHERE '.implode(' AND ', $conditions). ';';
+ $cascade_action_delete = 'DELETE FROM '.$table.' WHERE '.implode(' AND ', $conditions). ';';
+ $setnull_action = 'UPDATE '.$table.' 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 = $db->reverse->getTableFieldDefinition($table, $field);
+ if (PEAR::isError($field_definition)) {
+ return $field_definition;
+ }
+ $default_values[] = $table_field .' = '. $field_definition[0]['default'];
+ }
+ $setdefault_action = 'UPDATE '.$table.' SET '.implode(', ', $default_values).' WHERE '.implode(' AND ', $conditions). ';';
+ }
+
+ $query = 'CREATE TRIGGER %s'
+ .' %s ON '.$fkdef['references']['table']
+ .' FOR EACH ROW BEGIN '
+ .' SET FOREIGN_KEY_CHECKS = 0; '; //only really needed for ON UPDATE CASCADE
+
+ if ('CASCADE' == $fkdef['onupdate']) {
+ $sql_update = sprintf($query, $trigger_names['pk_update'], 'BEFORE UPDATE', 'update') . $cascade_action_update;
+ } elseif ('SET NULL' == $fkdef['onupdate']) {
+ $sql_update = sprintf($query, $trigger_names['pk_update'], 'BEFORE UPDATE', 'update') . $setnull_action;
+ } elseif ('SET DEFAULT' == $fkdef['onupdate']) {
+ $sql_update = sprintf($query, $trigger_names['pk_update'], 'BEFORE UPDATE', 'update') . $setdefault_action;
+ } elseif ('NO ACTION' == $fkdef['onupdate']) {
+ $sql_update = sprintf($query.$restrict_action, $trigger_names['pk_update'], 'AFTER UPDATE', 'update');
+ } else {
+ //'RESTRICT'
+ $sql_update = sprintf($query.$restrict_action, $trigger_names['pk_update'], 'BEFORE UPDATE', 'update');
+ }
+ if ('CASCADE' == $fkdef['ondelete']) {
+ $sql_delete = sprintf($query, $trigger_names['pk_delete'], 'BEFORE DELETE', 'delete') . $cascade_action_delete;
+ } elseif ('SET NULL' == $fkdef['ondelete']) {
+ $sql_delete = sprintf($query, $trigger_names['pk_delete'], 'BEFORE DELETE', 'delete') . $setnull_action;
+ } elseif ('SET DEFAULT' == $fkdef['ondelete']) {
+ $sql_delete = sprintf($query, $trigger_names['pk_delete'], 'BEFORE DELETE', 'delete') . $setdefault_action;
+ } elseif ('NO ACTION' == $fkdef['ondelete']) {
+ $sql_delete = sprintf($query.$restrict_action, $trigger_names['pk_delete'], 'AFTER DELETE', 'delete');
+ } else {
+ //'RESTRICT'
+ $sql_delete = sprintf($query.$restrict_action, $trigger_names['pk_delete'], 'BEFORE DELETE', 'delete');
+ }
+ $sql_update .= ' SET FOREIGN_KEY_CHECKS = 1; END;';
+ $sql_delete .= ' SET FOREIGN_KEY_CHECKS = 1; END;';
+
+ $db->pushErrorHandling(PEAR_ERROR_RETURN);
+ $db->expectError(MDB2_ERROR_CANNOT_CREATE);
+ $result = $db->exec($sql_delete);
+ $expected_errmsg = 'This MySQL version doesn\'t support multiple triggers with the same action time and event for one table';
+ $db->popExpect();
+ $db->popErrorHandling();
+ if (PEAR::isError($result)) {
+ if ($result->getCode() != MDB2_ERROR_CANNOT_CREATE) {
+ return $result;
+ }
+ $db->warnings[] = $expected_errmsg;
+ }
+ $db->pushErrorHandling(PEAR_ERROR_RETURN);
+ $db->expectError(MDB2_ERROR_CANNOT_CREATE);
+ $result = $db->exec($sql_update);
+ $db->popExpect();
+ $db->popErrorHandling();
+ if (PEAR::isError($result) && $result->getCode() != MDB2_ERROR_CANNOT_CREATE) {
+ if ($result->getCode() != MDB2_ERROR_CANNOT_CREATE) {
+ return $result;
+ }
+ $db->warnings[] = $expected_errmsg;
+ }
+ }
+ }
+ return MDB2_OK;
+ }
+
+ // }}}
+ // {{{ _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()
/**
@@ -904,8 +1259,8 @@ class MDB2_Driver_Manager_mysql extends MDB2_Driver_Manager_Common $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) {
+ $pattern = '/\bCONSTRAINT\b\s+([^\s]+)\s+\bFOREIGN KEY\b/Uims';
+ if (preg_match_all($pattern, str_replace('`', '', $definition), $matches) > 0) {
foreach ($matches[1] as $constraint) {
$result[$constraint] = true;
}
@@ -974,7 +1329,6 @@ class MDB2_Driver_Manager_mysql extends MDB2_Driver_Manager_Common $query .= ' '.implode(' ', $options_strings);
}
$res = $db->exec($query);
-
if (PEAR::isError($res)) {
return $res;
}
diff --git a/program/lib/MDB2/Driver/Manager/mysqli.php b/program/lib/MDB2/Driver/Manager/mysqli.php index 42782fca5..db4f875dd 100644 --- a/program/lib/MDB2/Driver/Manager/mysqli.php +++ b/program/lib/MDB2/Driver/Manager/mysqli.php @@ -2,7 +2,7 @@ // +----------------------------------------------------------------------+
// | PHP versions 4 and 5 |
// +----------------------------------------------------------------------+
-// | Copyright (c) 1998-2007 Manuel Lemos, Tomas V.V.Cox, |
+// | Copyright (c) 1998-2008 Manuel Lemos, Tomas V.V.Cox, |
// | Stig. S. Bakken, Lukas Smith |
// | All rights reserved. |
// +----------------------------------------------------------------------+
@@ -42,7 +42,7 @@ // | Author: Lukas Smith <smith@pooteeweet.org> |
// +----------------------------------------------------------------------+
//
-// $Id: mysqli.php,v 1.87 2007/12/03 20:59:15 quipo Exp $
+// $Id: mysqli.php,v 1.95 2008/03/11 19:58:12 quipo Exp $
//
require_once 'MDB2/Driver/Manager/Common.php';
@@ -79,16 +79,41 @@ class MDB2_Driver_Manager_mysqli extends MDB2_Driver_Manager_Common $name = $db->quoteIdentifier($name, true);
$query = 'CREATE DATABASE ' . $name;
if (!empty($options['charset'])) {
- $query .= ' DEFAULT CHARACTER SET ' . $options['charset'];
+ $query .= ' DEFAULT CHARACTER SET ' . $db->quote($options['charset'], 'text');
}
if (!empty($options['collation'])) {
- $query .= ' COLLATE ' . $options['collation'];
+ $query .= ' COLLATE ' . $db->quote($options['collation'], 'text');
}
- $result = $db->exec($query);
- if (PEAR::isError($result)) {
- return $result;
+ return $db->standaloneQuery($query, null, true);
+ }
+
+ // }}}
+ // {{{ alterDatabase()
+
+ /**
+ * alter an existing database
+ *
+ * @param string $name name of the database that is intended to be changed
+ * @param array $options array with charset, collation info
+ *
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function alterDatabase($name, $options = array())
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
}
- return MDB2_OK;
+
+ $query = 'ALTER DATABASE '. $db->quoteIdentifier($name, true);
+ if (!empty($options['charset'])) {
+ $query .= ' DEFAULT CHARACTER SET ' . $db->quote($options['charset'], 'text');
+ }
+ if (!empty($options['collation'])) {
+ $query .= ' COLLATE ' . $db->quote($options['collation'], 'text');
+ }
+ return $db->standaloneQuery($query, null, true);
}
// }}}
@@ -110,11 +135,7 @@ class MDB2_Driver_Manager_mysqli extends MDB2_Driver_Manager_Common $name = $db->quoteIdentifier($name, true);
$query = "DROP DATABASE $name";
- $result = $db->exec($query);
- if (PEAR::isError($result)) {
- return $result;
- }
- return MDB2_OK;
+ return $db->standaloneQuery($query, null, true);
}
// }}}
@@ -188,11 +209,37 @@ class MDB2_Driver_Manager_mysqli extends MDB2_Driver_Manager_Common return $db;
}
+ // if we have an AUTO_INCREMENT column and a PK on more than one field,
+ // we have to handle it differently...
+ $autoincrement = null;
+ if (empty($options['primary'])) {
+ $pk_fields = array();
+ foreach ($fields as $fieldname => $def) {
+ if (!empty($def['primary'])) {
+ $pk_fields[$fieldname] = true;
+ }
+ if (!empty($def['autoincrement'])) {
+ $autoincrement = $fieldname;
+ }
+ }
+ if (!is_null($autoincrement) && count($pk_fields) > 1) {
+ $options['primary'] = $pk_fields;
+ } else {
+ // the PK constraint is on max one field => OK
+ $autoincrement = null;
+ }
+ }
+
$query = $this->_getCreateTableQuery($name, $fields, $options);
if (PEAR::isError($query)) {
return $query;
}
+ if (!is_null($autoincrement)) {
+ // we have to remove the PK clause added by _getIntegerDeclaration()
+ $query = str_replace('AUTO_INCREMENT PRIMARY KEY', 'AUTO_INCREMENT', $query);
+ }
+
$options_strings = array();
if (!empty($options['comment'])) {
@@ -227,6 +274,112 @@ class MDB2_Driver_Manager_mysqli extends MDB2_Driver_Manager_Common }
// }}}
+ // {{{ 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 $result;
+ }
+ }
+ }
+ }
+
+ return parent::dropTable($name);
+ }
+
+ // }}}
+ // {{{ truncateTable()
+
+ /**
+ * Truncate an existing table (if the TRUNCATE TABLE syntax is not supported,
+ * it falls back to a DELETE FROM TABLE query)
+ *
+ * @param string $name name of the table that should be truncated
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function truncateTable($name)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $name = $db->quoteIdentifier($name, true);
+ return $db->exec("TRUNCATE TABLE $name");
+ }
+
+ // }}}
+ // {{{ vacuum()
+
+ /**
+ * Optimize (vacuum) all the tables in the db (or only the specified table)
+ * and optionally run ANALYZE.
+ *
+ * @param string $table table name (all the tables if empty)
+ * @param array $options an array with driver-specific options:
+ * - timeout [int] (in seconds) [mssql-only]
+ * - analyze [boolean] [pgsql and mysql]
+ * - full [boolean] [pgsql-only]
+ * - freeze [boolean] [pgsql-only]
+ *
+ * @return mixed MDB2_OK success, a MDB2 error on failure
+ * @access public
+ */
+ function vacuum($table = null, $options = array())
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ if (empty($table)) {
+ $table = $this->listTables();
+ if (PEAR::isError($table)) {
+ return $table;
+ }
+ }
+ if (is_array($table)) {
+ foreach (array_keys($table) as $k) {
+ $table[$k] = $db->quoteIdentifier($table[$k], true);
+ }
+ $table = implode(', ', $table);
+ } else {
+ $table = $db->quoteIdentifier($table, true);
+ }
+
+ $result = $db->exec('OPTIMIZE TABLE '.$table);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ if (!empty($options['analyze'])) {
+ return $db->exec('ANALYZE TABLE '.$table);
+ }
+ return MDB2_OK;
+ }
+
+ // }}}
// {{{ alterTable()
/**
@@ -656,6 +809,7 @@ class MDB2_Driver_Manager_mysqli extends MDB2_Driver_Manager_Common * 'last_login' => array()
* )
* )
+ *
* @return mixed MDB2_OK on success, a MDB2 error on failure
* @access public
*/
@@ -800,10 +954,10 @@ class MDB2_Driver_Manager_mysqli extends MDB2_Driver_Manager_Common 'invalid definition, could not create constraint', __FUNCTION__);
}
- $table = $db->quoteIdentifier($table, true);
- $query = "ALTER TABLE $table ADD $type $name";
+ $table_quoted = $db->quoteIdentifier($table, true);
+ $query = "ALTER TABLE $table_quoted ADD $type $name";
if (!empty($definition['foreign'])) {
- $query .= ' FOREIGN KEY ';
+ $query .= ' FOREIGN KEY';
}
$fields = array();
foreach (array_keys($definition['fields']) as $field) {
@@ -819,7 +973,14 @@ class MDB2_Driver_Manager_mysqli extends MDB2_Driver_Manager_Common $query .= ' ('. implode(', ', $referenced_fields) . ')';
$query .= $this->_getAdvancedFKOptions($definition);
}
- return $db->exec($query);
+ $res = $db->exec($query);
+ if (PEAR::isError($res)) {
+ return $res;
+ }
+ if (!empty($definition['foreign'])) {
+ return $this->_createFKTriggers($table, array($name => $definition));
+ }
+ return MDB2_OK;
}
// }}}
@@ -840,18 +1001,212 @@ class MDB2_Driver_Manager_mysqli extends MDB2_Driver_Manager_Common if (PEAR::isError($db)) {
return $db;
}
-
- $table = $db->quoteIdentifier($table, true);
+
if ($primary || strtolower($name) == 'primary') {
- $query = "ALTER TABLE $table DROP PRIMARY KEY";
- } else {
+ $query = 'ALTER TABLE '. $db->quoteIdentifier($table, true) .' DROP PRIMARY KEY';
+ return $db->exec($query);
+ }
+
+ //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
+ $table = $db->quoteIdentifier($table, true);
$name = $db->quoteIdentifier($db->getIndexName($name), true);
- $query = "ALTER TABLE $table DROP INDEX $name";
+ $query = "ALTER TABLE $table DROP FOREIGN KEY $name";
+ return $db->exec($query);
}
+
+ $table = $db->quoteIdentifier($table, true);
+ $name = $db->quoteIdentifier($db->getIndexName($name), true);
+ $query = "ALTER TABLE $table DROP INDEX $name";
return $db->exec($query);
}
// }}}
+ // {{{ _createFKTriggers()
+
+ /**
+ * Create triggers to enforce the FOREIGN KEY constraint on the table
+ *
+ * NB: since there's no RAISE_APPLICATION_ERROR facility in mysql,
+ * we call a non-existent procedure to raise the FK violation message.
+ * @see http://forums.mysql.com/read.php?99,55108,71877#msg-71877
+ *
+ * @param string $table table name
+ * @param array $foreign_keys FOREIGN KEY definitions
+ *
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access private
+ */
+ function _createFKTriggers($table, $foreign_keys)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+ // create triggers to enforce FOREIGN KEY constraints
+ if ($db->supports('triggers') && !empty($foreign_keys)) {
+ $table = $db->quoteIdentifier($table, true);
+ foreach ($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',
+ );
+ $table_fields = array_keys($fkdef['fields']);
+ $referenced_fields = array_keys($fkdef['references']['fields']);
+
+ //create the ON [UPDATE|DELETE] triggers on the primary table
+ $restrict_action = ' IF (SELECT ';
+ $aliased_fields = array();
+ foreach ($table_fields as $field) {
+ $aliased_fields[] = $table .'.'.$field .' AS '.$field;
+ }
+ $restrict_action .= implode(',', $aliased_fields)
+ .' FROM '.$table
+ .' 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 ', $conditions).') IS NOT NULL'
+ .' THEN CALL %s_ON_TABLE_'.$table.'_VIOLATES_FOREIGN_KEY_CONSTRAINT();'
+ .' END IF;';
+
+ $cascade_action_update = 'UPDATE '.$table.' SET '.implode(', ', $new_values) .' WHERE '.implode(' AND ', $conditions). ';';
+ $cascade_action_delete = 'DELETE FROM '.$table.' WHERE '.implode(' AND ', $conditions). ';';
+ $setnull_action = 'UPDATE '.$table.' 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 = $db->reverse->getTableFieldDefinition($table, $field);
+ if (PEAR::isError($field_definition)) {
+ return $field_definition;
+ }
+ $default_values[] = $table_field .' = '. $field_definition[0]['default'];
+ }
+ $setdefault_action = 'UPDATE '.$table.' SET '.implode(', ', $default_values).' WHERE '.implode(' AND ', $conditions). ';';
+ }
+
+ $query = 'CREATE TRIGGER %s'
+ .' %s ON '.$fkdef['references']['table']
+ .' FOR EACH ROW BEGIN '
+ .' SET FOREIGN_KEY_CHECKS = 0; '; //only really needed for ON UPDATE CASCADE
+
+ if ('CASCADE' == $fkdef['onupdate']) {
+ $sql_update = sprintf($query, $trigger_names['pk_update'], 'BEFORE UPDATE', 'update') . $cascade_action_update;
+ } elseif ('SET NULL' == $fkdef['onupdate']) {
+ $sql_update = sprintf($query, $trigger_names['pk_update'], 'BEFORE UPDATE', 'update') . $setnull_action;
+ } elseif ('SET DEFAULT' == $fkdef['onupdate']) {
+ $sql_update = sprintf($query, $trigger_names['pk_update'], 'BEFORE UPDATE', 'update') . $setdefault_action;
+ } elseif ('NO ACTION' == $fkdef['onupdate']) {
+ $sql_update = sprintf($query.$restrict_action, $trigger_names['pk_update'], 'AFTER UPDATE', 'update');
+ } else {
+ //'RESTRICT'
+ $sql_update = sprintf($query.$restrict_action, $trigger_names['pk_update'], 'BEFORE UPDATE', 'update');
+ }
+ if ('CASCADE' == $fkdef['ondelete']) {
+ $sql_delete = sprintf($query, $trigger_names['pk_delete'], 'BEFORE DELETE', 'delete') . $cascade_action_delete;
+ } elseif ('SET NULL' == $fkdef['ondelete']) {
+ $sql_delete = sprintf($query, $trigger_names['pk_delete'], 'BEFORE DELETE', 'delete') . $setnull_action;
+ } elseif ('SET DEFAULT' == $fkdef['ondelete']) {
+ $sql_delete = sprintf($query, $trigger_names['pk_delete'], 'BEFORE DELETE', 'delete') . $setdefault_action;
+ } elseif ('NO ACTION' == $fkdef['ondelete']) {
+ $sql_delete = sprintf($query.$restrict_action, $trigger_names['pk_delete'], 'AFTER DELETE', 'delete');
+ } else {
+ //'RESTRICT'
+ $sql_delete = sprintf($query.$restrict_action, $trigger_names['pk_delete'], 'BEFORE DELETE', 'delete');
+ }
+ $sql_update .= ' SET FOREIGN_KEY_CHECKS = 1; END;';
+ $sql_delete .= ' SET FOREIGN_KEY_CHECKS = 1; END;';
+
+ $db->pushErrorHandling(PEAR_ERROR_RETURN);
+ $db->expectError(MDB2_ERROR_CANNOT_CREATE);
+ $result = $db->exec($sql_delete);
+ $expected_errmsg = 'This MySQL version doesn\'t support multiple triggers with the same action time and event for one table';
+ $db->popExpect();
+ $db->popErrorHandling();
+ if (PEAR::isError($result)) {
+ if ($result->getCode() != MDB2_ERROR_CANNOT_CREATE) {
+ return $result;
+ }
+ $db->warnings[] = $expected_errmsg;
+ }
+ $db->pushErrorHandling(PEAR_ERROR_RETURN);
+ $db->expectError(MDB2_ERROR_CANNOT_CREATE);
+ $result = $db->exec($sql_update);
+ $db->popExpect();
+ $db->popErrorHandling();
+ if (PEAR::isError($result) && $result->getCode() != MDB2_ERROR_CANNOT_CREATE) {
+ if ($result->getCode() != MDB2_ERROR_CANNOT_CREATE) {
+ return $result;
+ }
+ $db->warnings[] = $expected_errmsg;
+ }
+ }
+ }
+ return MDB2_OK;
+ }
+
+ // }}}
+ // {{{ _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()
/**
@@ -904,8 +1259,8 @@ class MDB2_Driver_Manager_mysqli extends MDB2_Driver_Manager_Common $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) {
+ $pattern = '/\bCONSTRAINT\b\s+([^\s]+)\s+\bFOREIGN KEY\b/Uims';
+ if (preg_match_all($pattern, str_replace('`', '', $definition), $matches) > 0) {
foreach ($matches[1] as $constraint) {
$result[$constraint] = true;
}
@@ -969,10 +1324,6 @@ class MDB2_Driver_Manager_mysqli extends MDB2_Driver_Manager_Common $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);
diff --git a/program/lib/MDB2/Driver/Manager/pgsql.php b/program/lib/MDB2/Driver/Manager/pgsql.php index d5ebbc840..1015c2bef 100644 --- a/program/lib/MDB2/Driver/Manager/pgsql.php +++ b/program/lib/MDB2/Driver/Manager/pgsql.php @@ -1,765 +1,859 @@ -<?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;
- }
-}
+<?php +// +----------------------------------------------------------------------+ +// | PHP versions 4 and 5 | +// +----------------------------------------------------------------------+ +// | Copyright (c) 1998-2008 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 1.82 2008/03/05 12:55:57 afz 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); + } + + // }}} + // {{{ alterDatabase() + + /** + * alter an existing database + * + * @param string $name name of the database that is intended to be changed + * @param array $options array with name, owner info + * + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function alterDatabase($name, $options = array()) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $query = 'ALTER DATABASE '. $db->quoteIdentifier($name, true); + if (!empty($options['name'])) { + $query .= ' RENAME TO ' . $options['name']; + } + if (!empty($options['owner'])) { + $query .= ' OWNER TO ' . $options['owner']; + } + 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); + $query = "DROP DATABASE $name"; + return $db->standaloneQuery($query, 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; + } + + // }}} + // {{{ truncateTable() + + /** + * Truncate an existing table (if the TRUNCATE TABLE syntax is not supported, + * it falls back to a DELETE FROM TABLE query) + * + * @param string $name name of the table that should be truncated + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function truncateTable($name) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $name = $db->quoteIdentifier($name, true); + return $db->exec("TRUNCATE TABLE $name"); + } + + // }}} + // {{{ vacuum() + + /** + * Optimize (vacuum) all the tables in the db (or only the specified table) + * and optionally run ANALYZE. + * + * @param string $table table name (all the tables if empty) + * @param array $options an array with driver-specific options: + * - timeout [int] (in seconds) [mssql-only] + * - analyze [boolean] [pgsql and mysql] + * - full [boolean] [pgsql-only] + * - freeze [boolean] [pgsql-only] + * + * @return mixed MDB2_OK success, a MDB2 error on failure + * @access public + */ + function vacuum($table = null, $options = array()) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + $query = 'VACUUM'; + + if (!empty($options['full'])) { + $query .= ' FULL'; + } + if (!empty($options['freeze'])) { + $query .= ' FREEZE'; + } + if (!empty($options['analyze'])) { + $query .= ' ANALYZE'; + } + + if (!empty($table)) { + $query .= ' '.$db->quoteIdentifier($table, true); + } + return $db->exec($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['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['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 $result; + } + } + } + + if (!empty($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['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; + } + } + } + } + + $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'); + $query = 'SELECT conname + FROM pg_constraint, pg_class + WHERE pg_constraint.conrelid = pg_class.oid + AND relname = ' .$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 + && $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 index f126ff146..676127c94 100644 --- a/program/lib/MDB2/Driver/Manager/sqlite.php +++ b/program/lib/MDB2/Driver/Manager/sqlite.php @@ -2,7 +2,7 @@ // +----------------------------------------------------------------------+
// | PHP versions 4 and 5 |
// +----------------------------------------------------------------------+
-// | Copyright (c) 1998-2007 Manuel Lemos, Tomas V.V.Cox, |
+// | Copyright (c) 1998-2008 Manuel Lemos, Tomas V.V.Cox, |
// | Stig. S. Bakken, Lukas Smith, Lorenzo Alberton |
// | All rights reserved. |
// +----------------------------------------------------------------------+
@@ -43,7 +43,7 @@ // | Lorenzo Alberton <l.alberton@quipo.it> |
// +----------------------------------------------------------------------+
//
-// $Id: sqlite.php,v 1.72 2007/12/03 20:59:15 quipo Exp $
+// $Id: sqlite.php,v 1.74 2008/03/05 11:08:53 quipo Exp $
//
require_once 'MDB2/Driver/Manager/Common.php';
@@ -404,6 +404,37 @@ class MDB2_Driver_Manager_sqlite extends MDB2_Driver_Manager_Common }
// }}}
+ // {{{ vacuum()
+
+ /**
+ * Optimize (vacuum) all the tables in the db (or only the specified table)
+ * and optionally run ANALYZE.
+ *
+ * @param string $table table name (all the tables if empty)
+ * @param array $options an array with driver-specific options:
+ * - timeout [int] (in seconds) [mssql-only]
+ * - analyze [boolean] [pgsql and mysql]
+ * - full [boolean] [pgsql-only]
+ * - freeze [boolean] [pgsql-only]
+ *
+ * @return mixed MDB2_OK success, a MDB2 error on failure
+ * @access public
+ */
+ function vacuum($table = null, $options = array())
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $query = 'VACUUM';
+ if (!empty($table)) {
+ $query .= ' '.$db->quoteIdentifier($table, true);
+ }
+ return $db->exec($query);
+ }
+
+ // }}}
// {{{ alterTable()
/**
@@ -1207,7 +1238,7 @@ class MDB2_Driver_Manager_sqlite extends MDB2_Driver_Manager_Common if (PEAR::isError($table_def)) {
return $table_def;
}
- if (preg_match("/\bPRIMARY\s+KEY\b\s*\(([^)]+)/i", $table_def, $tmp)) {
+ if (preg_match("/\bPRIMARY\s+KEY\b/i", $table_def, $tmp)) {
$result['primary'] = true;
}
diff --git a/program/lib/MDB2/Driver/Reverse/Common.php b/program/lib/MDB2/Driver/Reverse/Common.php index 43a2f251b..18e9da931 100644 --- a/program/lib/MDB2/Driver/Reverse/Common.php +++ b/program/lib/MDB2/Driver/Reverse/Common.php @@ -1,511 +1,513 @@ -<?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; - } -} +<?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 1.42 2008/01/12 12:50:58 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;
+ }
+ }
+ }
+ }
+
+ $res = array();
+
+ 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 index a27c95d57..0991190c4 100644 --- a/program/lib/MDB2/Driver/Reverse/mssql.php +++ b/program/lib/MDB2/Driver/Reverse/mssql.php @@ -43,7 +43,7 @@ // | Lorenzo Alberton <l.alberton@quipo.it> |
// +----------------------------------------------------------------------+
//
-// $Id: mssql.php,v 1.48 2007/11/25 13:38:29 quipo Exp $
+// $Id: mssql.php,v 1.49 2008/02/17 15:30:57 quipo Exp $
//
require_once 'MDB2/Driver/Reverse/Common.php';
@@ -454,7 +454,7 @@ class MDB2_Driver_Reverse_mssql extends MDB2_Driver_Reverse_Common }
$trg_body = $db->queryCol('EXEC sp_helptext '. $db->quote($trigger, 'text'), 'text');
if (!PEAR::isError($trg_body)) {
- $def['trigger_body'] = implode('', $trg_body);
+ $def['trigger_body'] = implode(' ', $trg_body);
}
return $def;
}
diff --git a/program/lib/MDB2/Driver/Reverse/pgsql.php b/program/lib/MDB2/Driver/Reverse/pgsql.php index 930eea93f..7d5c9f134 100644 --- a/program/lib/MDB2/Driver/Reverse/pgsql.php +++ b/program/lib/MDB2/Driver/Reverse/pgsql.php @@ -2,7 +2,7 @@ // +----------------------------------------------------------------------+
// | PHP versions 4 and 5 |
// +----------------------------------------------------------------------+
-// | Copyright (c) 1998-2007 Manuel Lemos, Tomas V.V.Cox, |
+// | Copyright (c) 1998-2008 Manuel Lemos, Tomas V.V.Cox, |
// | Stig. S. Bakken, Lukas Smith |
// | All rights reserved. |
// +----------------------------------------------------------------------+
@@ -43,7 +43,7 @@ // | Lorenzo Alberton <l.alberton@quipo.it> |
// +----------------------------------------------------------------------+
//
-// $Id: pgsql.php,v 1.68 2007/11/25 13:38:29 quipo Exp $
+// $Id: pgsql.php,v 1.70 2008/03/13 20:38:09 quipo Exp $
require_once 'MDB2/Driver/Reverse/Common.php';
@@ -358,7 +358,7 @@ class MDB2_Driver_Reverse_pgsql extends MDB2_Driver_Reverse_Common $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)
+ LEFT JOIN pg_attribute a ON a.attrelid = t.oid AND a.attnum = ANY(c.confkey)
WHERE c.conname = %s
AND t.relname = ' . $db->quote($definition['references']['table'], 'text');
$constraint_name_mdb2 = $db->getIndexName($constraint_name);
@@ -424,7 +424,10 @@ class MDB2_Driver_Reverse_pgsql extends MDB2_Driver_Reverse_Common WHEN 24 THEN 'UPDATE, DELETE'
WHEN 12 THEN 'INSERT, DELETE'
END AS trigger_event,
- trg.tgenabled AS trigger_enabled,
+ CASE trg.tgenabled
+ WHEN 'O' THEN 't'
+ ELSE trg.tgenabled
+ END AS trigger_enabled,
obj_description(trg.oid, 'pg_trigger') AS trigger_comment
FROM pg_trigger trg,
pg_class tbl,
diff --git a/program/lib/MDB2/Driver/Reverse/sqlite.php b/program/lib/MDB2/Driver/Reverse/sqlite.php index 2ba81c7c5..abd9cbcfb 100644 --- a/program/lib/MDB2/Driver/Reverse/sqlite.php +++ b/program/lib/MDB2/Driver/Reverse/sqlite.php @@ -43,7 +43,7 @@ // | Lorenzo Alberton <l.alberton@quipo.it> |
// +----------------------------------------------------------------------+
//
-// $Id: sqlite.php,v 1.78 2007/12/01 10:46:13 quipo Exp $
+// $Id: sqlite.php,v 1.79 2008/03/05 11:08:53 quipo Exp $
//
require_once 'MDB2/Driver/Reverse/Common.php';
@@ -393,6 +393,18 @@ class MDB2_Driver_Reverse_sqlite extends MDB2_Driver_Reverse_Common }
return $definition;
}
+ if (preg_match("/\"([^\"]+)\"[^\,\"]+\bPRIMARY\s+KEY\b[^\,\)]*/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+
diff --git a/program/lib/MDB2/Driver/mssql.php b/program/lib/MDB2/Driver/mssql.php index f74acfea4..a16e33cbe 100644 --- a/program/lib/MDB2/Driver/mssql.php +++ b/program/lib/MDB2/Driver/mssql.php @@ -3,7 +3,7 @@ // +----------------------------------------------------------------------+
// | PHP versions 4 and 5 |
// +----------------------------------------------------------------------+
-// | Copyright (c) 1998-2006 Manuel Lemos, Tomas V.V.Cox, |
+// | Copyright (c) 1998-2008 Manuel Lemos, Tomas V.V.Cox, |
// | Stig. S. Bakken, Lukas Smith, Frank M. Kromann |
// | All rights reserved. |
// +----------------------------------------------------------------------+
@@ -43,7 +43,7 @@ // | Author: Frank M. Kromann <frank@kromann.info> |
// +----------------------------------------------------------------------+
//
-// $Id: mssql.php,v 1.161 2007/11/18 17:52:00 quipo Exp $
+// $Id: mssql.php,v 1.174 2008/03/08 14:18:39 quipo Exp $
//
// {{{ Class MDB2_Driver_mssql
/**
@@ -86,6 +86,7 @@ class MDB2_Driver_mssql extends MDB2_Driver_Common $this->supported['LOBs'] = true;
$this->supported['replace'] = 'emulated';
$this->supported['sub_selects'] = true;
+ $this->supported['triggers'] = true;
$this->supported['auto_increment'] = true;
$this->supported['primary_key'] = true;
$this->supported['result_introspection'] = true;
@@ -93,8 +94,11 @@ class MDB2_Driver_mssql extends MDB2_Driver_Common $this->supported['pattern_escaping'] = true;
$this->supported['new_link'] = true;
+ $this->options['DBA_username'] = false;
+ $this->options['DBA_password'] = false;
$this->options['database_device'] = false;
$this->options['database_size'] = false;
+ $this->options['max_identifiers_length'] = 128; // MS Access: 64
}
// }}}
@@ -107,11 +111,15 @@ class MDB2_Driver_mssql extends MDB2_Driver_Common * @return array
* @access public
*/
- function errorInfo($error = null)
+ function errorInfo($error = null, $connection = null)
{
+ if (is_null($connection)) {
+ $connection = $this->connection;
+ }
+
$native_code = null;
- if ($this->connection) {
- $result = @mssql_query('select @@ERROR as ErrorCode', $this->connection);
+ if ($connection) {
+ $result = @mssql_query('select @@ERROR as ErrorCode', $connection);
if ($result) {
$native_code = @mssql_result($result, 0, 0);
@mssql_free_result($result);
@@ -136,8 +144,10 @@ class MDB2_Driver_mssql extends MDB2_Driver_Common 336 => MDB2_ERROR_SYNTAX,
515 => MDB2_ERROR_CONSTRAINT_NOT_NULL,
547 => MDB2_ERROR_CONSTRAINT,
+ 911 => MDB2_ERROR_NOT_FOUND,
1018 => MDB2_ERROR_SYNTAX,
1035 => MDB2_ERROR_SYNTAX,
+ 1801 => MDB2_ERROR_ALREADY_EXISTS,
1913 => MDB2_ERROR_ALREADY_EXISTS,
2209 => MDB2_ERROR_SYNTAX,
2223 => MDB2_ERROR_SYNTAX,
@@ -296,39 +306,30 @@ class MDB2_Driver_mssql extends MDB2_Driver_Common }
// }}}
- // {{{ connect()
+ // {{{ _doConnect()
/**
- * Connect to the database
+ * do the grunt work of the connect
*
- * @return true on success, MDB2 Error Object on failure
+ * @return connection on success or MDB2 Error Object on failure
+ * @access protected
*/
- function connect()
+ function _doConnect($username, $password, $persistent = false)
{
- if (is_resource($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)) {
+ if (!PEAR::loadExtension($this->phptype) && !PEAR::loadExtension('sybase_ct')) {
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,
+ $username ? $username : null,
+ $password ? $password : null,
);
if ($this->dsn['port']) {
$params[0].= ((substr(PHP_OS, 0, 3) == 'WIN') ? ',' : ':').$this->dsn['port'];
}
- if (!$this->options['persistent']) {
+ if (!$persistent) {
if (isset($this->dsn['new_link'])
&& ($this->dsn['new_link'] == 'true' || $this->dsn['new_link'] === true)
) {
@@ -338,7 +339,7 @@ class MDB2_Driver_mssql extends MDB2_Driver_Common }
}
- $connect_function = $this->options['persistent'] ? 'mssql_pconnect' : 'mssql_connect';
+ $connect_function = $persistent ? 'mssql_pconnect' : 'mssql_connect';
$connection = @call_user_func_array($connect_function, $params);
if ($connection <= 0) {
@@ -346,6 +347,8 @@ class MDB2_Driver_mssql extends MDB2_Driver_Common 'unable to establish a connection', __FUNCTION__, __FUNCTION__);
}
+ @mssql_query('SET ANSI_NULL_DFLT_ON ON', $connection);
+
if (!empty($this->dsn['charset'])) {
$result = $this->setCharset($this->dsn['charset'], $connection);
if (PEAR::isError($result)) {
@@ -361,6 +364,38 @@ class MDB2_Driver_mssql extends MDB2_Driver_Common @mssql_query('SET DATEFORMAT ymd', $connection);
}
+ return $connection;
+ }
+
+ // }}}
+ // {{{ connect()
+
+ /**
+ * Connect to the database
+ *
+ * @return true on success, MDB2 Error Object on failure
+ */
+ function connect()
+ {
+ if (is_resource($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);
+ }
+
+ $connection = $this->_doConnect(
+ $this->dsn['username'],
+ $this->dsn['password'],
+ $this->options['persistent']
+ );
+ if (PEAR::isError($connection)) {
+ return $connection;
+ }
+
$this->connection = $connection;
$this->connected_dsn = $this->dsn;
$this->connected_database_name = '';
@@ -382,6 +417,41 @@ class MDB2_Driver_mssql extends MDB2_Driver_Common }
// }}}
+ // {{{ databaseExists()
+
+ /**
+ * check if given database name is exists?
+ *
+ * @param string $name name of the database that should be checked
+ *
+ * @return mixed true/false on success, a MDB2 error on failure
+ * @access public
+ */
+ function databaseExists($name)
+ {
+ $connection = $this->_doConnect($this->dsn['username'],
+ $this->dsn['password'],
+ $this->options['persistent']);
+ if (PEAR::isError($connection)) {
+ return $connection;
+ }
+
+ $result = @mssql_select_db($name, $connection);
+ $errorInfo = $this->errorInfo(null, $connection);
+ @mssql_close($connection);
+ if (!$result) {
+ if ($errorInfo[0] != MDB2_ERROR_NOT_FOUND) {
+ exit;
+ $result = $this->raiseError($errorInfo[0], null, null, $errorInfo[2], __FUNCTION__);
+ return $result;
+ }
+ $result = false;
+ }
+
+ return $result;
+ }
+
+ // }}}
// {{{ disconnect()
/**
@@ -417,6 +487,42 @@ class MDB2_Driver_mssql extends MDB2_Driver_Common }
// }}}
+ // {{{ 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)
+ {
+ $user = $this->options['DBA_username']? $this->options['DBA_username'] : $this->dsn['username'];
+ $pass = $this->options['DBA_password']? $this->options['DBA_password'] : $this->dsn['password'];
+ $connection = $this->_doConnect($user, $pass, $this->options['persistent']);
+ if (PEAR::isError($connection)) {
+ return $connection;
+ }
+
+ $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, $this->database_name);
+ if (!PEAR::isError($result)) {
+ $result = $this->_affectedRows($connection, $result);
+ }
+
+ @mssql_close($connection);
+ return $result;
+ }
+
+ // }}}
// {{{ _doQuery()
/**
@@ -546,7 +652,7 @@ class MDB2_Driver_mssql extends MDB2_Driver_Common // 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)) {
+ if (preg_match('/(\d+)\.(\d+)\.(\d+)/', $server_info, $tmp)) {
$server_info = array(
'major' => $tmp[1],
'minor' => $tmp[2],
@@ -609,6 +715,7 @@ class MDB2_Driver_mssql extends MDB2_Driver_Common {
$sequence_name = $this->quoteIdentifier($this->getSequenceName($seq_name), true);
$seqcol_name = $this->quoteIdentifier($this->options['seqcol_name'], true);
+ $this->pushErrorHandling(PEAR_ERROR_RETURN);
$this->expectError(MDB2_ERROR_NOSUCHTABLE);
$seq_val = $this->_checkSequence($sequence_name);
@@ -621,6 +728,7 @@ class MDB2_Driver_mssql extends MDB2_Driver_Common }
$result =& $this->_doQuery($query, true);
$this->popExpect();
+ $this->popErrorHandling();
if (PEAR::isError($result)) {
if ($ondemand && !$this->_checkSequence($sequence_name)) {
$this->loadModule('Manager', null, true);
@@ -669,6 +777,7 @@ class MDB2_Driver_mssql extends MDB2_Driver_Common *
* @param string $table name of the table into which a new row was inserted
* @param string $field name of the field into which a new row was inserted
+ *
* @return mixed MDB2 Error Object or id
* @access public
*/
@@ -678,9 +787,12 @@ class MDB2_Driver_mssql extends MDB2_Driver_Common if (is_array($server_info) && !is_null($server_info['major'])
&& $server_info['major'] >= 8
) {
- $query = "SELECT SCOPE_IDENTITY()";
+ $query = "SELECT IDENT_CURRENT('$table')";
} else {
$query = "SELECT @@IDENTITY";
+ if (!is_null($table)) {
+ $query .= ' FROM '.$this->quoteIdentifier($table, true);
+ }
}
return $this->queryOne($query, 'integer');
diff --git a/program/lib/MDB2/Driver/mysql.php b/program/lib/MDB2/Driver/mysql.php index 1e0453936..96210e43b 100644 --- a/program/lib/MDB2/Driver/mysql.php +++ b/program/lib/MDB2/Driver/mysql.php @@ -1,1535 +1,1685 @@ -<?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;
- }
-}
+<?php +// vim: set et ts=4 sw=4 fdm=marker: +// +----------------------------------------------------------------------+ +// | PHP versions 4 and 5 | +// +----------------------------------------------------------------------+ +// | Copyright (c) 1998-2008 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 1.208 2008/03/13 03:31:55 afz 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['triggers'] = false; + $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['DBA_username'] = false; + $this->options['DBA_password'] = false; + $this->options['default_table_type'] = ''; + $this->options['max_identifiers_length'] = 64; + + $this->_reCheckSupportedOptions(); + } + + // }}} + // {{{ _reCheckSupportedOptions() + + /** + * If the user changes certain options, other capabilities may depend + * on the new settings, so we need to check them (again). + * + * @access private + */ + function _reCheckSupportedOptions() + { + $this->supported['transactions'] = $this->options['use_transactions']; + $this->supported['savepoints'] = $this->options['use_transactions']; + if ($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['savepoints'] = false; + $this->supported['transactions'] = false; + $this->warnings[] = $this->options['default_table_type'] . + ' is not a supported default table type'; + break; + } + } + } + + // }}} + // {{{ function setOption($option, $value) + + /** + * set the option for the db class + * + * @param string option name + * @param mixed value for the option + * + * @return mixed MDB2_OK or MDB2 Error Object + * + * @access public + */ + function setOption($option, $value) + { + $res = parent::setOption($option, $value); + $this->_reCheckSupportedOptions(); + } + + // }}} + // {{{ 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, + 1235 => MDB2_ERROR_CANNOT_CREATE, + 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, + 2003 => MDB2_ERROR_CONNECT_FAILED, + 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; + } + $text = @mysql_real_escape_string($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); + } + + // }}} + // {{{ _doConnect() + + /** + * do the grunt work of the connect + * + * @return connection on success or MDB2 Error Object on failure + * @access protected + */ + function _doConnect($username, $password, $persistent = false) + { + if (!PEAR::loadExtension($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[] = $username ? $username : null; + $params[] = $password ? $password : null; + if (!$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 = $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)) { + $this->disconnect(false); + return $result; + } + } + + return $connection; + } + + // }}} + // {{{ connect() + + /** + * Connect to the database + * + * @return MDB2_OK on success, MDB2 Error Object on failure + * @access public + */ + function connect() + { + if (is_resource($this->connection)) { + //if (count(array_diff($this->connected_dsn, $this->dsn)) == 0 + if (MDB2::areEquals($this->connected_dsn, $this->dsn) + && $this->opened_persistent == $this->options['persistent'] + ) { + return MDB2_OK; + } + $this->disconnect(false); + } + + $connection = $this->_doConnect( + $this->dsn['username'], + $this->dsn['password'], + $this->options['persistent'] + ); + if (PEAR::isError($connection)) { + return $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 != $this->connected_database_name) { + if (!@mysql_select_db($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; + } + } + + $this->_getServerCapabilities(); + + return MDB2_OK; + } + + // }}} + // {{{ setCharset() + + /** + * Set the charset on the current connection + * + * @param string charset (or array(charset, collation)) + * @param resource connection handle + * + * @return true on success, MDB2 Error Object on failure + */ + function setCharset($charset, $connection = null) + { + if (is_null($connection)) { + $connection = $this->getConnection(); + if (PEAR::isError($connection)) { + return $connection; + } + } + $collation = null; + if (is_array($charset) && 2 == count($charset)) { + $collation = array_pop($charset); + $charset = array_pop($charset); + } + $query = "SET NAMES '".mysql_real_escape_string($charset, $connection)."'"; + if (!is_null($collation)) { + $query .= " COLLATE '".mysqli_real_escape_string($connection, $collation)."'"; + } + return $this->_doQuery($query, true, $connection); + } + + // }}} + // {{{ databaseExists() + + /** + * check if given database name is exists? + * + * @param string $name name of the database that should be checked + * + * @return mixed true/false on success, a MDB2 error on failure + * @access public + */ + function databaseExists($name) + { + $connection = $this->_doConnect($this->dsn['username'], + $this->dsn['password'], + $this->options['persistent']); + if (PEAR::isError($connection)) { + return $connection; + } + + $result = @mysql_select_db($name, $connection); + @mysql_close($connection); + + 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_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); + } + + // }}} + // {{{ 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) + { + $user = $this->options['DBA_username']? $this->options['DBA_username'] : $this->dsn['username']; + $pass = $this->options['DBA_password']? $this->options['DBA_password'] : $this->dsn['password']; + $connection = $this->_doConnect($user, $pass, $this->options['persistent']); + if (PEAR::isError($connection)) { + return $connection; + } + + $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, $this->database_name); + if (!PEAR::isError($result)) { + $result = $this->_affectedRows($connection, $result); + } + + @mysql_close($connection); + 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 $connection; + } + } + if (is_null($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->supported['triggers'] = false; + $this->start_transaction = false; + $this->varchar_max_length = 255; + + $server_info = $this->getServerVersion(); + if (is_array($server_info)) { + $server_version = $server_info['major'].'.'.$server_info['minor'].'.'.$server_info['patch']; + + if (!version_compare($server_version, '4.1.0', '<')) { + $this->supported['sub_selects'] = true; + $this->supported['prepared_statements'] = true; + } + + // SAVEPOINTs were introduced in MySQL 4.0.14 and 4.1.1 (InnoDB) + if (version_compare($server_version, '4.1.0', '>=')) { + if (version_compare($server_version, '4.1.1', '<')) { + $this->supported['savepoints'] = false; + } + } elseif (version_compare($server_version, '4.0.14', '<')) { + $this->supported['savepoints'] = false; + } + + if (!version_compare($server_version, '4.0.11', '<')) { + $this->start_transaction = true; + } + + if (!version_compare($server_version, '5.0.3', '<')) { + $this->varchar_max_length = 65532; + } + + if (!version_compare($server_version, '5.0.2', '<')) { + $this->supported['triggers'] = true; + } + } + } + } + + // }}} + // {{{ function _skipUserDefinedVariable($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, $prep_statement_counter++ . sha1(microtime() + mt_rand())); + $statement_name = substr(strtolower($statement_name), 0, $this->options['max_identifiers_length']); + $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.= $this->quoteIdentifier($name, true); + 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; + } + + $table = $this->quoteIdentifier($table, true); + $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->pushErrorHandling(PEAR_ERROR_RETURN); + $this->expectError(MDB2_ERROR_NOSUCHTABLE); + $result =& $this->_doQuery($query, true); + $this->popExpect(); + $this->popErrorHandling(); + if (PEAR::isError($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 index 5dc53d624..3f8f9611e 100644 --- a/program/lib/MDB2/Driver/mysqli.php +++ b/program/lib/MDB2/Driver/mysqli.php @@ -1,1697 +1,1841 @@ -<?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;
- }
-}
+<?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 1.188 2008/03/13 03:31:55 afz 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['triggers'] = false; + $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['DBA_username'] = false; + $this->options['DBA_password'] = false; + $this->options['default_table_type'] = ''; + $this->options['multi_query'] = false; + $this->options['max_identifiers_length'] = 64; + + $this->_reCheckSupportedOptions(); + } + + // }}} + // {{{ _reCheckSupportedOptions() + + /** + * If the user changes certain options, other capabilities may depend + * on the new settings, so we need to check them (again). + * + * @access private + */ + function _reCheckSupportedOptions() + { + $this->supported['transactions'] = $this->options['use_transactions']; + $this->supported['savepoints'] = $this->options['use_transactions']; + if ($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['savepoints'] = false; + $this->supported['transactions'] = false; + $this->warnings[] = $this->options['default_table_type'] . + ' is not a supported default table type'; + break; + } + } + } + + // }}} + // {{{ function setOption($option, $value) + + /** + * set the option for the db class + * + * @param string option name + * @param mixed value for the option + * + * @return mixed MDB2_OK or MDB2 Error Object + * + * @access public + */ + function setOption($option, $value) + { + $res = parent::setOption($option, $value); + $this->_reCheckSupportedOptions(); + } + + // }}} + // {{{ 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, + 1235 => MDB2_ERROR_CANNOT_CREATE, + 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, + 2003 => MDB2_ERROR_CONNECT_FAILED, + 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); + } + + // }}} + // {{{ _doConnect() + + /** + * do the grunt work of the connect + * + * @return connection on success or MDB2 Error Object on failure + * @access protected + */ + function _doConnect($username, $password, $persistent = false) + { + if (!PEAR::loadExtension($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'], + $username, + $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; + } + } + + return $connection; + } + + // }}} + // {{{ connect() + + /** + * Connect to the database + * + * @return true on success, MDB2 Error Object on failure + */ + function connect() + { + if (is_object($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; + } + + $connection = $this->_doConnect( + $this->dsn['username'], + $this->dsn['password'] + ); + if (PEAR::isError($connection)) { + return $connection; + } + + $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; + + $this->_getServerCapabilities(); + + return MDB2_OK; + } + + // }}} + // {{{ setCharset() + + /** + * Set the charset on the current connection + * + * @param string charset (or array(charset, collation)) + * @param resource connection handle + * + * @return true on success, MDB2 Error Object on failure + */ + function setCharset($charset, $connection = null) + { + if (is_null($connection)) { + $connection = $this->getConnection(); + if (PEAR::isError($connection)) { + return $connection; + } + } + $collation = null; + if (is_array($charset) && 2 == count($charset)) { + $collation = array_pop($charset); + $charset = array_pop($charset); + } + $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, $charset)."'"; + if (!is_null($collation)) { + $query .= " COLLATE '".mysqli_real_escape_string($connection, $collation)."'"; + } + 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; + } + + // }}} + // {{{ databaseExists() + + /** + * check if given database name is exists? + * + * @param string $name name of the database that should be checked + * + * @return mixed true/false on success, a MDB2 error on failure + * @access public + */ + function databaseExists($name) + { + $connection = $this->_doConnect($this->dsn['username'], + $this->dsn['password']); + if (PEAR::isError($connection)) { + return $connection; + } + + $result = @mysqli_select_db($connection, $name); + @mysqli_close($connection); + + 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); + } + + // }}} + // {{{ 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) + { + $user = $this->options['DBA_username']? $this->options['DBA_username'] : $this->dsn['username']; + $pass = $this->options['DBA_password']? $this->options['DBA_password'] : $this->dsn['password']; + $connection = $this->_doConnect($user, $pass); + if (PEAR::isError($connection)) { + return $connection; + } + + $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, $this->database_name); + if (!PEAR::isError($result)) { + $result = $this->_affectedRows($connection, $result); + } + + @mysqli_close($connection); + 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 $connection; + } + } + if (is_null($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->supported['triggers'] = false; + $this->start_transaction = false; + $this->varchar_max_length = 255; + + $server_info = $this->getServerVersion(); + if (is_array($server_info)) { + $server_version = $server_info['major'].'.'.$server_info['minor'].'.'.$server_info['patch']; + + if (!version_compare($server_version, '4.1.0', '<')) { + $this->supported['sub_selects'] = true; + $this->supported['prepared_statements'] = true; + } + + // SAVEPOINTS were introduced in MySQL 4.0.14 and 4.1.1 (InnoDB) + if (version_compare($server_version, '4.1.0', '>=')) { + if (version_compare($server_version, '4.1.1', '<')) { + $this->supported['savepoints'] = false; + } + } elseif (version_compare($server_version, '4.0.14', '<')) { + $this->supported['savepoints'] = false; + } + + if (!version_compare($server_version, '4.0.11', '<')) { + $this->start_transaction = true; + } + + if (!version_compare($server_version, '5.0.3', '<')) { + $this->varchar_max_length = 65532; + } + + if (!version_compare($server_version, '5.0.2', '<')) { + $this->supported['triggers'] = true; + } + } + } + } + + // }}} + // {{{ function _skipUserDefinedVariable($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, $prep_statement_counter++ . sha1(microtime() + mt_rand())); + $statement_name = substr(strtolower($statement_name), 0, $this->options['max_identifiers_length']); + $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.= $this->quoteIdentifier($name, true); + 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; + } + + $table = $this->quoteIdentifier($table, true); + $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->pushErrorHandling(PEAR_ERROR_RETURN); + $this->expectError(MDB2_ERROR_NOSUCHTABLE); + $result =& $this->_doQuery($query, true); + $this->popExpect(); + $this->popErrorHandling(); + if (PEAR::isError($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 index 49ab1218a..24af05655 100644 --- a/program/lib/MDB2/Driver/pgsql.php +++ b/program/lib/MDB2/Driver/pgsql.php @@ -3,7 +3,7 @@ // +----------------------------------------------------------------------+
// | PHP versions 4 and 5 |
// +----------------------------------------------------------------------+
-// | Copyright (c) 1998-2006 Manuel Lemos, Tomas V.V.Cox, |
+// | Copyright (c) 1998-2008 Manuel Lemos, Tomas V.V.Cox, |
// | Stig. S. Bakken, Lukas Smith |
// | All rights reserved. |
// +----------------------------------------------------------------------+
@@ -43,7 +43,7 @@ // | Author: Paul Cooper <pgc@ucecom.com> |
// +----------------------------------------------------------------------+
//
-// $Id: pgsql.php,v 1.186 2007/11/10 13:27:03 quipo Exp $
+// $Id: pgsql.php,v 1.197 2008/03/08 14:18:39 quipo Exp $
/**
* MDB2 PostGreSQL driver
@@ -83,6 +83,7 @@ class MDB2_Driver_pgsql extends MDB2_Driver_Common $this->supported['LOBs'] = true;
$this->supported['replace'] = 'emulated';
$this->supported['sub_selects'] = true;
+ $this->supported['triggers'] = true;
$this->supported['auto_increment'] = 'emulated';
$this->supported['primary_key'] = true;
$this->supported['result_introspection'] = true;
@@ -91,8 +92,11 @@ class MDB2_Driver_pgsql extends MDB2_Driver_Common $this->supported['pattern_escaping'] = true;
$this->supported['new_link'] = true;
+ $this->options['DBA_username'] = false;
+ $this->options['DBA_password'] = false;
$this->options['multi_query'] = false;
$this->options['disable_smart_seqname'] = false;
+ $this->options['max_identifiers_length'] = 63;
}
// }}}
@@ -119,6 +123,8 @@ class MDB2_Driver_pgsql extends MDB2_Driver_Common $native_msg = 'Database connection has been lost.';
$error_code = MDB2_ERROR_CONNECT_FAILED;
}
+ } else {
+ $native_msg = @pg_last_error();
}
static $error_regexps;
@@ -128,8 +134,12 @@ class MDB2_Driver_pgsql extends MDB2_Driver_Common => MDB2_ERROR_NOSUCHFIELD,
'/(relation|sequence|table).*does not exist|class .* not found/i'
=> MDB2_ERROR_NOSUCHTABLE,
+ '/database .* does not exist/'
+ => MDB2_ERROR_NOT_FOUND,
'/index .* does not exist/'
=> MDB2_ERROR_NOT_FOUND,
+ '/database .* already exists/i'
+ => MDB2_ERROR_ALREADY_EXISTS,
'/relation .* already exists/i'
=> MDB2_ERROR_ALREADY_EXISTS,
'/(divide|division) by zero$/i'
@@ -202,7 +212,7 @@ class MDB2_Driver_pgsql extends MDB2_Driver_Common if (PEAR::isError($connection)) {
return $connection;
}
- if (version_compare(PHP_VERSION, '5.2.0RC5', '>=')) {
+ if (is_resource($connection) && version_compare(PHP_VERSION, '5.2.0RC5', '>=')) {
$text = @pg_escape_string($connection, $text);
} else {
$text = @pg_escape_string($text);
@@ -353,13 +363,18 @@ class MDB2_Driver_pgsql extends MDB2_Driver_Common // {{{ _doConnect()
/**
- * Does the grunt work of connecting to the database
+ * Do 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, $persistent = false)
+ */
+ function _doConnect($username, $password, $database_name, $persistent = false)
{
+ if (!PEAR::loadExtension($this->phptype)) {
+ return $this->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+ 'extension '.$this->phptype.' is not compiled into PHP', __FUNCTION__);
+ }
+
if ($database_name == '') {
$database_name = 'template1';
}
@@ -386,11 +401,11 @@ class MDB2_Driver_pgsql extends MDB2_Driver_Common if ($database_name) {
$params[0].= ' dbname=\'' . addslashes($database_name) . '\'';
}
- if ($this->dsn['username']) {
- $params[0].= ' user=\'' . addslashes($this->dsn['username']) . '\'';
+ if ($username) {
+ $params[0].= ' user=\'' . addslashes($username) . '\'';
}
- if ($this->dsn['password']) {
- $params[0].= ' password=\'' . addslashes($this->dsn['password']) . '\'';
+ if ($password) {
+ $params[0].= ' password=\'' . addslashes($password) . '\'';
}
if (!empty($this->dsn['options'])) {
$params[0].= ' options=' . $this->dsn['options'];
@@ -417,7 +432,6 @@ class MDB2_Driver_pgsql extends MDB2_Driver_Common }
$connect_function = $persistent ? 'pg_pconnect' : 'pg_connect';
-
$connection = @call_user_func_array($connect_function, $params);
if (!$connection) {
return $this->raiseError(MDB2_ERROR_CONNECT_FAILED, null, null,
@@ -449,7 +463,7 @@ class MDB2_Driver_pgsql extends MDB2_Driver_Common *
* @return true on success, MDB2 Error Object on failure
* @access public
- **/
+ */
function connect()
{
if (is_resource($this->connection)) {
@@ -463,22 +477,22 @@ class MDB2_Driver_pgsql extends MDB2_Driver_Common $this->disconnect(false);
}
- if (!PEAR::loadExtension($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']);
+ $connection = $this->_doConnect($this->dsn['username'],
+ $this->dsn['password'],
+ $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;
}
@@ -501,7 +515,10 @@ class MDB2_Driver_pgsql extends MDB2_Driver_Common return $connection;
}
}
-
+ if (is_array($charset)) {
+ $charset = array_shift($charset);
+ $this->warnings[] = 'postgresql does not support setting client collation';
+ }
$result = @pg_set_client_encoding($connection, $charset);
if ($result == -1) {
return $this->raiseError(null, null, null,
@@ -511,6 +528,30 @@ class MDB2_Driver_pgsql extends MDB2_Driver_Common }
// }}}
+ // {{{ databaseExists()
+
+ /**
+ * check if given database name is exists?
+ *
+ * @param string $name name of the database that should be checked
+ *
+ * @return mixed true/false on success, a MDB2 error on failure
+ * @access public
+ */
+ function databaseExists($name)
+ {
+ $res = $this->_doConnect($this->dsn['username'],
+ $this->dsn['password'],
+ $this->escape($name),
+ $this->options['persistent']);
+ if (!PEAR::isError($res)) {
+ return true;
+ }
+
+ return false;
+ }
+
+ // }}}
// {{{ disconnect()
/**
@@ -560,11 +601,11 @@ class MDB2_Driver_pgsql extends MDB2_Driver_Common */
function &standaloneQuery($query, $types = null, $is_manip = false)
{
- $connection = $this->_doConnect('template1', false);
+ $user = $this->options['DBA_username']? $this->options['DBA_username'] : $this->dsn['username'];
+ $pass = $this->options['DBA_password']? $this->options['DBA_password'] : $this->dsn['password'];
+ $connection = $this->_doConnect($user, $pass, $this->database_name, $this->options['persistent']);
if (PEAR::isError($connection)) {
- $err =& $this->raiseError(MDB2_ERROR_CONNECT_FAILED, null, null,
- 'Cannot connect to template1', __FUNCTION__);
- return $err;
+ return $connection;
}
$offset = $this->offset;
@@ -572,17 +613,16 @@ class MDB2_Driver_pgsql extends MDB2_Driver_Common $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;
+ $result =& $this->_doQuery($query, $is_manip, $connection, $this->database_name);
+ if (!PEAR::isError($result)) {
+ if ($is_manip) {
+ $result = $this->_affectedRows($connection, $result);
+ } else {
+ $result =& $this->_wrapResult($result, $types, true, false, $limit, $offset);
+ }
}
- if ($is_manip) {
- $affected_rows = $this->_affectedRows($connection, $result);
- return $affected_rows;
- }
- $result =& $this->_wrapResult($result, $types, true, false, $limit, $offset);
+ @pg_close($connection);
return $result;
}
@@ -910,8 +950,8 @@ class MDB2_Driver_pgsql extends MDB2_Driver_Common 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);
+ $statement_name = sprintf($this->options['statement_format'], $this->phptype, $prep_statement_counter++ . sha1(microtime() + mt_rand()));
+ $statement_name = substr(strtolower($statement_name), 0, $this->options['max_identifiers_length']);
if ($pgtypes === false) {
$result = @pg_prepare($connection, $statement_name, $query);
if (!$result) {
@@ -975,7 +1015,7 @@ class MDB2_Driver_pgsql extends MDB2_Driver_Common WHERE d.adrelid = a.attrelid
AND d.adnum = a.attnum
AND a.atthasdef
- ) FROM 'nextval[^\']*\'([^\']*)')
+ ) 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
@@ -1017,9 +1057,11 @@ class MDB2_Driver_pgsql extends MDB2_Driver_Common {
$sequence_name = $this->quoteIdentifier($this->getSequenceName($seq_name), true);
$query = "SELECT NEXTVAL('$sequence_name')";
+ $this->pushErrorHandling(PEAR_ERROR_RETURN);
$this->expectError(MDB2_ERROR_NOSUCHTABLE);
$result = $this->queryOne($query, 'integer');
$this->popExpect();
+ $this->popErrorHandling();
if (PEAR::isError($result)) {
if ($ondemand && $result->getCode() == MDB2_ERROR_NOSUCHTABLE) {
$this->loadModule('Manager', null, true);
@@ -1052,7 +1094,7 @@ class MDB2_Driver_pgsql extends MDB2_Driver_Common return $this->queryOne('SELECT lastval()', 'integer');
}
$seq = $table.(empty($field) ? '' : '_'.$field);
- $sequence_name = $this->getSequenceName($seq);
+ $sequence_name = $this->quoteIdentifier($this->getSequenceName($seq), true);
return $this->queryOne("SELECT currval('$sequence_name')", 'integer');
}
diff --git a/program/lib/MDB2/Driver/sqlite.php b/program/lib/MDB2/Driver/sqlite.php index d61255347..e48bac329 100644 --- a/program/lib/MDB2/Driver/sqlite.php +++ b/program/lib/MDB2/Driver/sqlite.php @@ -3,7 +3,7 @@ // +----------------------------------------------------------------------+
// | PHP versions 4 and 5 |
// +----------------------------------------------------------------------+
-// | Copyright (c) 1998-2007 Manuel Lemos, Tomas V.V.Cox, |
+// | Copyright (c) 1998-2008 Manuel Lemos, Tomas V.V.Cox, |
// | Stig. S. Bakken, Lukas Smith |
// | All rights reserved. |
// +----------------------------------------------------------------------+
@@ -43,7 +43,7 @@ // | Author: Lukas Smith <smith@pooteeweet.org> |
// +----------------------------------------------------------------------+
//
-// $Id: sqlite.php,v 1.152 2007/11/27 07:44:41 quipo Exp $
+// $Id: sqlite.php,v 1.158 2008/03/08 14:18:39 quipo Exp $
//
/**
@@ -89,6 +89,7 @@ class MDB2_Driver_sqlite extends MDB2_Driver_Common $this->supported['transactions'] = true;
$this->supported['savepoints'] = false;
$this->supported['sub_selects'] = true;
+ $this->supported['triggers'] = true;
$this->supported['auto_increment'] = true;
$this->supported['primary_key'] = false; // requires alter table implementation
$this->supported['result_introspection'] = false; // not implemented
@@ -97,11 +98,14 @@ class MDB2_Driver_sqlite extends MDB2_Driver_Common $this->supported['pattern_escaping'] = false;
$this->supported['new_link'] = false;
+ $this->options['DBA_username'] = false;
+ $this->options['DBA_password'] = 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'] = '';
+ $this->options['max_identifiers_length'] = 128; //no real limit
}
// }}}
@@ -125,7 +129,7 @@ class MDB2_Driver_sqlite extends MDB2_Driver_Common // 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);
+ $native_msg = preg_replace('/^sqlite[a-z_]+\(\)[^:]*: /', '', $native_msg);
if (is_null($error)) {
static $error_regexps;
@@ -425,6 +429,24 @@ class MDB2_Driver_sqlite extends MDB2_Driver_Common }
// }}}
+ // {{{ databaseExists()
+
+ /**
+ * check if given database name is exists?
+ *
+ * @param string $name name of the database that should be checked
+ *
+ * @return mixed true/false on success, a MDB2 error on failure
+ * @access public
+ */
+ function databaseExists($name)
+ {
+ $database_file = $this->_getDatabaseFile($name);
+ $result = file_exists($database_file);
+ return $result;
+ }
+
+ // }}}
// {{{ disconnect()
/**
@@ -721,7 +743,7 @@ class MDB2_Driver_sqlite extends MDB2_Driver_Common $query .= ',';
$values.= ',';
}
- $query.= $name;
+ $query.= $this->quoteIdentifier($name, true);
if (isset($fields[$name]['null']) && $fields[$name]['null']) {
$value = 'NULL';
} else {
@@ -750,6 +772,7 @@ class MDB2_Driver_sqlite extends MDB2_Driver_Common return $connection;
}
+ $table = $this->quoteIdentifier($table, true);
$query = "REPLACE INTO $table ($query) VALUES ($values)";
$result =& $this->_doQuery($query, true, $connection);
if (PEAR::isError($result)) {
@@ -777,9 +800,11 @@ class MDB2_Driver_sqlite extends MDB2_Driver_Common $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->pushErrorHandling(PEAR_ERROR_RETURN);
$this->expectError(MDB2_ERROR_NOSUCHTABLE);
$result =& $this->_doQuery($query, true);
$this->popExpect();
+ $this->popErrorHandling();
if (PEAR::isError($result)) {
if ($ondemand && $result->getCode() == MDB2_ERROR_NOSUCHTABLE) {
$this->loadModule('Manager', null, true);
|