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authorsvncommit <devs@roundcube.net>2005-10-27 13:40:37 +0000
committersvncommit <devs@roundcube.net>2005-10-27 13:40:37 +0000
commitc9462d0c1e2493a7399b1dbd21e23b215e97f808 (patch)
treeb31f3af65a271ae651e76d1230737fbd930c27aa /program/lib/MDB2/Driver/Datatype/ibase.php
parent4518342eca8d40f1c25ff877e00379c1e878035f (diff)
added all mdb2 drivers
Diffstat (limited to 'program/lib/MDB2/Driver/Datatype/ibase.php')
-rwxr-xr-xprogram/lib/MDB2/Driver/Datatype/ibase.php659
1 files changed, 659 insertions, 0 deletions
diff --git a/program/lib/MDB2/Driver/Datatype/ibase.php b/program/lib/MDB2/Driver/Datatype/ibase.php
new file mode 100755
index 000000000..958665440
--- /dev/null
+++ b/program/lib/MDB2/Driver/Datatype/ibase.php
@@ -0,0 +1,659 @@
+<?php
+// vim: set et ts=4 sw=4 fdm=marker:
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2004 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> |
+// | Lorenzo Alberton <l.alberton@quipo.it> |
+// +----------------------------------------------------------------------+
+//
+// $Id$
+
+require_once 'MDB2/Driver/Datatype/Common.php';
+
+/**
+ * MDB2 Firebird/Interbase driver
+ *
+ * @package MDB2
+ * @category Database
+ * @author Lukas Smith <smith@pooteeweet.org>
+ * @author Lorenzo Alberton <l.alberton@quipo.it>
+ */
+class MDB2_Driver_Datatype_ibase extends MDB2_Driver_Datatype_Common
+{
+ // {{{ convertResult()
+
+ /**
+ * convert a value to a RDBMS independent MDB2 type
+ *
+ * @param mixed $value value to be converted
+ * @param int $type constant that specifies which type to convert to
+ * @return mixed converted value or a MDB2 error on failure
+ * @access public
+ */
+ function convertResult($value, $type)
+ {
+ if (is_null($value)) {
+ return null;
+ }
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ switch ($type) {
+ case 'decimal':
+ return sprintf('%.'.$db->options['decimal_places'].'f', doubleval($value)/pow(10.0, $db->options['decimal_places']));
+ case 'timestamp':
+ return substr($value, 0, strlen('YYYY-MM-DD HH:MM:SS'));
+ default:
+ return $this->_baseConvertResult($value, $type);
+ }
+ }
+
+ // }}}
+ // {{{ 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 = (array_key_exists('length', $field) ? $field['length'] : (!PEAR::isError($length = $db->options['default_text_field_length']) ? $length : 4000));
+ return 'VARCHAR ('.$length.')';
+ case 'clob':
+ return 'BLOB SUB_TYPE 1';
+ case 'blob':
+ return 'BLOB SUB_TYPE 0';
+ case 'integer':
+ return 'INTEGER';
+ case 'boolean':
+ return 'CHAR (1)';
+ case 'date':
+ return 'DATE';
+ case 'time':
+ return 'TIME';
+ case 'timestamp':
+ return 'TIMESTAMP';
+ case 'float':
+ return 'DOUBLE PRECISION';
+ case 'decimal':
+ return 'DECIMAL(18,'.$db->options['decimal_places'].')';
+ }
+ 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 (array_key_exists('unsigned', $field) && $field['unsigned']) {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+ $db->warnings[] = "unsigned integer field \"$name\" is being declared as signed integer";
+ }
+
+ if (array_key_exists('autoincrement', $field) && $field['autoincrement']) {
+ return $name.' PRIMARY KEY';
+ }
+
+ $default = array_key_exists('default', $field) ? ' DEFAULT '.
+ $this->quote($field['default'], 'integer') : '';
+ $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : '';
+ return $name.' INT'.$default.$notnull;
+ }
+
+ // }}}
+ // {{{ _getTextDeclaration()
+
+ /**
+ * Obtain DBMS specific SQL code portion needed to declare a 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)
+ {
+ $type = $this->getTypeDeclaration($field);
+ $default = array_key_exists('default', $field) ? ' DEFAULT '.
+ $this->quote($field['default'], 'text') : '';
+ $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : '';
+ return $name.' '.$type.$default.$notnull;
+ }
+
+ // }}}
+ // {{{ _getCLOBDeclaration()
+
+ /**
+ * Obtain DBMS specific SQL code portion needed to declare a character
+ * large object type field to be used in statements like CREATE TABLE.
+ *
+ * @param string $name name the field to be declared.
+ * @param array $field associative array with the name of the properties
+ * of the field being declared as array indexes. Currently, the types
+ * of supported field properties are as follows:
+ *
+ * length
+ * Integer value that determines the maximum length of the large
+ * object field. If this argument is missing the field should be
+ * declared to have the longest length allowed by the DBMS.
+ *
+ * notnull
+ * Boolean flag that indicates whether this field is constrained
+ * to not be set to null.
+ * @return string DBMS specific SQL code portion that should be used to
+ * declare the specified field.
+ * @access protected
+ */
+ function _getCLOBDeclaration($name, $field)
+ {
+ $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : '';
+ return $name.' '.$this->getTypeDeclaration($field).$notnull;
+ }
+
+ // }}}
+ // {{{ _getBLOBDeclaration()
+
+ /**
+ * Obtain DBMS specific SQL code portion needed to declare a 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)
+ {
+ $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : '';
+ return $name.' '.$this->getTypeDeclaration($field).$notnull;
+ }
+
+ // }}}
+ // {{{ _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)
+ {
+ $default = array_key_exists('default', $field) ? ' DEFAULT '.
+ $this->quote($field['default'], 'date') : '';
+ $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : '';
+ return $name.' '.$this->getTypeDeclaration($field).$default.$notnull;
+ }
+
+ // }}}
+ // {{{ _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)
+ {
+ $default = array_key_exists('default', $field) ? ' DEFAULT '.
+ $this->quote($field['default'], 'time') : '';
+ $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : '';
+ return $name.' '.$this->getTypeDeclaration($field).$default.$notnull;
+ }
+
+ // }}}
+ // {{{ _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)
+ {
+ $default = array_key_exists('default', $field) ? ' DEFAULT '.
+ $this->quote($field['default'], 'timestamp') : '';
+ $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : '';
+ return $name.' '.$this->getTypeDeclaration($field).$default.$notnull;
+ }
+
+ // }}}
+ // {{{ _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)
+ {
+ $default = array_key_exists('default', $field) ? ' DEFAULT '.
+ $this->quote($field['default'], 'float') : '';
+ $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : '';
+ return $name.' '.$this->getTypeDeclaration($field).$default.$notnull;
+ }
+
+ // }}}
+ // {{{ _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)
+ {
+ $default = array_key_exists('default', $field) ? ' DEFAULT '.
+ $this->quote($field['default'], 'decimal') : '';
+ $notnull = (array_key_exists('notnull', $field) && $field['notnull']) ? ' NOT NULL' : '';
+ return $name.' '.$this->getTypeDeclaration($field).$default.$notnull;
+ }
+
+ // }}}
+ // {{{ _quoteLOB()
+
+ /**
+ * Convert a text value into a DBMS specific format that is suitable to
+ * compose query statements.
+ *
+ * @param $value
+ * @return string text string that represents the given argument value in
+ * a DBMS specific format.
+ * @access protected
+ */
+ function _quoteLOB($value)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ if (PEAR::isError($connect = $db->connect())) {
+ return $connect;
+ }
+ $close = true;
+ if (is_resource($value)) {
+ $close = false;
+ } elseif (preg_match('/^(\w+:\/\/)(.*)$/', $value, $match)) {
+ if ($match[1] == 'file://') {
+ $value = $match[2];
+ }
+ $value = @fopen($value, 'r');
+ } else {
+ $fp = @tmpfile();
+ @fwrite($fp, $value);
+ @rewind($fp);
+ $value = $fp;
+ }
+ if ($db->in_transaction) {
+ $blob_id = @ibase_blob_import($db->transaction_id, $value);
+ } else {
+ $blob_id = @ibase_blob_import($db->connection, $value);
+ }
+ if ($close) {
+ @fclose($value);
+ }
+ return $blob_id;
+ }
+
+ // }}}
+ // {{{ _quoteDecimal()
+
+ /**
+ * Convert a text value into a DBMS specific format that is suitable to
+ * compose query statements.
+ *
+ * @param string $value text string value that is intended to be converted.
+ * @return string text string that represents the given argument value in
+ * a DBMS specific format.
+ * @access protected
+ */
+ function _quoteDecimal($value)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ return (strval(round($value*pow(10.0, $db->options['decimal_places']))));
+ }
+
+ // }}}
+ // {{{ _retrieveLOB()
+
+ /**
+ * retrieve LOB from the database
+ *
+ * @param resource $lob stream handle
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access protected
+ */
+ function _retrieveLOB(&$lob)
+ {
+ if (!array_key_exists('handle', $lob)) {
+ $lob['handle'] = @ibase_blob_open($lob['ressource']);
+ if (!$lob['handle']) {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ return $db->raiseError(MDB2_ERROR, null, null,
+ '_retrieveLOB: Could not open fetched large object field' . @ibase_errmsg());
+ }
+ }
+ return MDB2_OK;
+ }
+
+ // }}}
+ // {{{ _readLOB()
+
+ /**
+ * Read data from large object input stream.
+ *
+ * @param resource $lob stream handle
+ * @param blob $data reference to a variable that will hold data to be
+ * read from the large object input stream
+ * @param int $length integer value that indicates the largest ammount of
+ * data to be read from the large object input stream.
+ * @return mixed length on success, a MDB2 error on failure
+ * @access protected
+ */
+ function _readLOB($lob, $length)
+ {
+ $data = ibase_blob_get($lob['handle'], $length);
+ if (!is_string($data)) {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ return $db->raiseError(MDB2_ERROR, null, null,
+ 'Read Result LOB: ' . @ibase_errmsg());
+ }
+ return $data;
+ }
+
+ // }}}
+ // {{{ _destroyLOB()
+
+ /**
+ * Free any resources allocated during the lifetime of the large object
+ * handler object.
+ *
+ * @param resource $lob stream handle
+ * @access protected
+ */
+ function _destroyLOB($lob_index)
+ {
+ if (isset($this->lobs[$lob_index]['handle'])) {
+ @ibase_blob_close($this->lobs[$lob_index]['handle']);
+ }
+ }
+
+ // }}}
+ // {{{ mapNativeDatatype()
+
+ /**
+ * Maps a native array description of a field to a MDB2 datatype and length
+ *
+ * @param array $field native field description
+ * @return array containing the various possible types and the length
+ * @access public
+ */
+ function mapNativeDatatype($field)
+ {
+ $db_type = preg_replace('/\d/','', strtolower($field['typname']) );
+ $length = $field['attlen'];
+ if ($length == '-1') {
+ $length = $field['atttypmod']-4;
+ }
+ if ((int)$length <= 0) {
+ $length = null;
+ }
+ $type = array();
+ switch ($db_type) {
+ case 'smallint':
+ case 'integer':
+ $type[] = 'integer';
+ if ($length == '1') {
+ $type[] = 'boolean';
+ }
+ break;
+ case 'char':
+ case 'varchar':
+ $type[] = 'text';
+ if ($length == '1') {
+ $type[] = 'boolean';
+ }
+ break;
+ case 'date':
+ $type[] = 'date';
+ $length = null;
+ break;
+ case 'timestamp':
+ $type[] = 'timestamp';
+ $length = null;
+ break;
+ case 'time':
+ $type[] = 'time';
+ $length = null;
+ break;
+ case 'float':
+ case 'double precision':
+ $type[] = 'float';
+ break;
+ case 'decimal':
+ case 'numeric':
+ $type[] = 'decimal';
+ break;
+ case 'blob':
+ $type[] = 'blob';
+ $length = null;
+ break;
+ default:
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ return $db->raiseError(MDB2_ERROR, null, null,
+ 'getTableFieldDefinition: unknown database attribute type');
+ }
+
+ return array($type, $length);
+ }
+
+ // }}}
+}
+?> \ No newline at end of file