From 9f914275db3f95cb001e635898d5a5a634563bd4 Mon Sep 17 00:00:00 2001
From: Robin Appelman <icewind1991@gmail.com>
Date: Fri, 9 Jul 2010 13:39:33 +0200
Subject: [PATCH] fix line feeds
---
inc/MDB2/Driver/Function/pgsql.php | 228 +-
inc/MDB2/Driver/Manager/Common.php | 2026 ++++++++---------
inc/MDB2/Driver/Manager/mysql.php | 2862 +++++++++++------------
inc/MDB2/Driver/Reverse/Common.php | 1032 ++++-----
inc/MDB2/Driver/Reverse/pgsql.php | 1144 +++++-----
inc/MDB2/Driver/mysql.php | 3398 ++++++++++++++--------------
6 files changed, 5345 insertions(+), 5345 deletions(-)
diff --git a/inc/MDB2/Driver/Function/pgsql.php b/inc/MDB2/Driver/Function/pgsql.php
index 99bb238082..985dc4ed2f 100755
--- a/inc/MDB2/Driver/Function/pgsql.php
+++ b/inc/MDB2/Driver/Function/pgsql.php
@@ -1,115 +1,115 @@
-<?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 1.11 2008/11/09 19:46:50 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\', CAST ((' . $expression . ') AS TIMESTAMP)))';
- }
-
- // }}}
- // {{{ 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 1.11 2008/11/09 19:46:50 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\', CAST ((' . $expression . ') AS TIMESTAMP)))';
+ }
+
+ // }}}
+ // {{{ 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/inc/MDB2/Driver/Manager/Common.php b/inc/MDB2/Driver/Manager/Common.php
index dd3d545e6c..d7154d4eac 100755
--- a/inc/MDB2/Driver/Manager/Common.php
+++ b/inc/MDB2/Driver/Manager/Common.php
@@ -1,1014 +1,1014 @@
-<?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: Lukas Smith <smith@pooteeweet.org> |
-// | Lorenzo Alberton <l.alberton@quipo.it> |
-// +----------------------------------------------------------------------+
-//
-// $Id: Common.php,v 1.72 2009/01/14 15:00:40 quipo Exp $
-//
-
-/**
- * @package MDB2
- * @category Database
- * @author Lukas Smith <smith@pooteeweet.org>
- * @author Lorenzo Alberton <l.alberton@quipo.it>
- */
-
-/**
- * Base class for the management modules that is extended by each MDB2 driver
- *
- * To load this module in the MDB2 object:
- * $mdb->loadModule('Manager');
- *
- * @package MDB2
- * @category Database
- * @author Lukas Smith <smith@pooteeweet.org>
- */
-class MDB2_Driver_Manager_Common extends MDB2_Module_Common
-{
- // {{{ splitTableSchema()
-
- /**
- * Split the "[owner|schema].table" notation into an array
- *
- * @param string $table [schema and] table name
- *
- * @return array array(schema, table)
- * @access private
- */
- function splitTableSchema($table)
- {
- $ret = array();
- if (strpos($table, '.') !== false) {
- return explode('.', $table);
- }
- return array(null, $table);
- }
-
- // }}}
- // {{{ getFieldDeclarationList()
-
- /**
- * Get declaration of a number of field in bulk
- *
- * @param array $fields a multidimensional associative array.
- * The first dimension determines the field name, while the second
- * dimension is keyed with the name of the properties
- * of the field being declared as array indexes. Currently, the types
- * of supported field properties are as follows:
- *
- * default
- * Boolean value to be used as default for this field.
- *
- * notnull
- * Boolean flag that indicates whether this field is constrained
- * to not be set to null.
- *
- * @return mixed string on success, a MDB2 error on failure
- * @access public
- */
- function getFieldDeclarationList($fields)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- if (!is_array($fields) || empty($fields)) {
- return $db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
- 'missing any fields', __FUNCTION__);
- }
- foreach ($fields as $field_name => $field) {
- $query = $db->getDeclaration($field['type'], $field_name, $field);
- if (PEAR::isError($query)) {
- return $query;
- }
- $query_fields[] = $query;
- }
- return implode(', ', $query_fields);
- }
-
- // }}}
- // {{{ _fixSequenceName()
-
- /**
- * Removes any formatting in an sequence name using the 'seqname_format' option
- *
- * @param string $sqn string that containts name of a potential sequence
- * @param bool $check if only formatted sequences should be returned
- * @return string name of the sequence with possible formatting removed
- * @access protected
- */
- function _fixSequenceName($sqn, $check = false)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $seq_pattern = '/^'.preg_replace('/%s/', '([a-z0-9_]+)', $db->options['seqname_format']).'$/i';
- $seq_name = preg_replace($seq_pattern, '\\1', $sqn);
- if ($seq_name && !strcasecmp($sqn, $db->getSequenceName($seq_name))) {
- return $seq_name;
- }
- if ($check) {
- return false;
- }
- return $sqn;
- }
-
- // }}}
- // {{{ _fixIndexName()
-
- /**
- * Removes any formatting in an index name using the 'idxname_format' option
- *
- * @param string $idx string that containts name of anl index
- * @return string name of the index with eventual formatting removed
- * @access protected
- */
- function _fixIndexName($idx)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $idx_pattern = '/^'.preg_replace('/%s/', '([a-z0-9_]+)', $db->options['idxname_format']).'$/i';
- $idx_name = preg_replace($idx_pattern, '\\1', $idx);
- if ($idx_name && !strcasecmp($idx, $db->getIndexName($idx_name))) {
- return $idx_name;
- }
- return $idx;
- }
-
- // }}}
- // {{{ createDatabase()
-
- /**
- * create a new database
- *
- * @param string $name name of the database that should be created
- * @param array $options array with charset, collation info
- *
- * @return mixed MDB2_OK on success, a MDB2 error on failure
- * @access public
- */
- function createDatabase($database, $options = array())
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
- 'method not implemented', __FUNCTION__);
- }
-
- // }}}
- // {{{ 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()
-
- /**
- * drop an existing database
- *
- * @param string $name name of the database that should be dropped
- * @return mixed MDB2_OK on success, a MDB2 error on failure
- * @access public
- */
- function dropDatabase($database)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
- 'method not implemented', __FUNCTION__);
- }
-
- // }}}
- // {{{ _getCreateTableQuery()
-
- /**
- * Create a basic SQL query for a new table creation
- *
- * @param string $name Name of the database that should be created
- * @param array $fields Associative array that contains the definition of each field of the new table
- * @param array $options An associative array of table options
- *
- * @return mixed string (the SQL query) on success, a MDB2 error on failure
- * @see createTable()
- */
- function _getCreateTableQuery($name, $fields, $options = array())
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- if (!$name) {
- return $db->raiseError(MDB2_ERROR_CANNOT_CREATE, null, null,
- 'no valid table name specified', __FUNCTION__);
- }
- if (empty($fields)) {
- return $db->raiseError(MDB2_ERROR_CANNOT_CREATE, null, null,
- 'no fields specified for table "'.$name.'"', __FUNCTION__);
- }
- $query_fields = $this->getFieldDeclarationList($fields);
- if (PEAR::isError($query_fields)) {
- return $query_fields;
- }
- if (!empty($options['primary'])) {
- $query_fields.= ', PRIMARY KEY ('.implode(', ', array_keys($options['primary'])).')';
- }
-
- $name = $db->quoteIdentifier($name, true);
- $result = 'CREATE ';
- if (!empty($options['temporary'])) {
- $result .= $this->_getTemporaryTableQuery();
- }
- $result .= " TABLE $name ($query_fields)";
- return $result;
- }
-
- // }}}
- // {{{ _getTemporaryTableQuery()
-
- /**
- * A method to return the required SQL string that fits between CREATE ... TABLE
- * to create the table as a temporary table.
- *
- * Should be overridden in driver classes to return the correct string for the
- * specific database type.
- *
- * The default is to return the string "TEMPORARY" - this will result in a
- * SQL error for any database that does not support temporary tables, or that
- * requires a different SQL command from "CREATE TEMPORARY TABLE".
- *
- * @return string The string required to be placed between "CREATE" and "TABLE"
- * to generate a temporary table, if possible.
- */
- function _getTemporaryTableQuery()
- {
- return 'TEMPORARY';
- }
-
- // }}}
- // {{{ createTable()
-
- /**
- * create a new table
- *
- * @param string $name Name of the database that should be created
- * @param array $fields Associative array that contains the definition of each field of the new table
- * The indexes of the array entries are the names of the fields of the table an
- * the array entry values are associative arrays like those that are meant to be
- * passed with the field definitions to get[Type]Declaration() functions.
- * array(
- * 'id' => array(
- * 'type' => 'integer',
- * 'unsigned' => 1
- * 'notnull' => 1
- * 'default' => 0
- * ),
- * 'name' => array(
- * 'type' => 'text',
- * 'length' => 12
- * ),
- * 'password' => array(
- * 'type' => 'text',
- * 'length' => 12
- * )
- * );
- * @param array $options An associative array of table options:
- * array(
- * 'comment' => 'Foo',
- * 'temporary' => true|false,
- * );
- * @return mixed MDB2_OK on success, a MDB2 error on failure
- * @access public
- */
- function createTable($name, $fields, $options = array())
- {
- $query = $this->_getCreateTableQuery($name, $fields, $options);
- if (PEAR::isError($query)) {
- return $query;
- }
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
- $result = $db->exec($query);
- if (PEAR::isError($result)) {
- return $result;
- }
- return MDB2_OK;
- }
-
- // }}}
- // {{{ dropTable()
-
- /**
- * drop an existing table
- *
- * @param string $name name of the table that should be dropped
- * @return mixed MDB2_OK on success, a MDB2 error on failure
- * @access public
- */
- function dropTable($name)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $name = $db->quoteIdentifier($name, true);
- return $db->exec("DROP TABLE $name");
- }
-
- // }}}
- // {{{ 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()
-
- /**
- * alter an existing table
- *
- * @param string $name name of the table that is intended to be changed.
- * @param array $changes associative array that contains the details of each type
- * of change that is intended to be performed. The types of
- * changes that are currently supported are defined as follows:
- *
- * name
- *
- * New name for the table.
- *
- * add
- *
- * Associative array with the names of fields to be added as
- * indexes of the array. The value of each entry of the array
- * should be set to another associative array with the properties
- * of the fields to be added. The properties of the fields should
- * be the same as defined by the MDB2 parser.
- *
- *
- * remove
- *
- * Associative array with the names of fields to be removed as indexes
- * of the array. Currently the values assigned to each entry are ignored.
- * An empty array should be used for future compatibility.
- *
- * rename
- *
- * Associative array with the names of fields to be renamed as indexes
- * of the array. The value of each entry of the array should be set to
- * another associative array with the entry named name with the new
- * field name and the entry named Declaration that is expected to contain
- * the portion of the field declaration already in DBMS specific SQL code
- * as it is used in the CREATE TABLE statement.
- *
- * change
- *
- * Associative array with the names of the fields to be changed as indexes
- * of the array. Keep in mind that if it is intended to change either the
- * name of a field and any other properties, the change array entries
- * should have the new names of the fields as array indexes.
- *
- * The value of each entry of the array should be set to another associative
- * array with the properties of the fields to that are meant to be changed as
- * array entries. These entries should be assigned to the new values of the
- * respective properties. The properties of the fields should be the same
- * as defined by the MDB2 parser.
- *
- * Example
- * array(
- * 'name' => 'userlist',
- * 'add' => array(
- * 'quota' => array(
- * 'type' => 'integer',
- * 'unsigned' => 1
- * )
- * ),
- * 'remove' => array(
- * 'file_limit' => array(),
- * 'time_limit' => array()
- * ),
- * 'change' => array(
- * 'name' => array(
- * 'length' => '20',
- * 'definition' => array(
- * 'type' => 'text',
- * 'length' => 20,
- * ),
- * )
- * ),
- * 'rename' => array(
- * 'sex' => array(
- * 'name' => 'gender',
- * 'definition' => array(
- * 'type' => 'text',
- * 'length' => 1,
- * 'default' => 'M',
- * ),
- * )
- * )
- * )
- *
- * @param boolean $check indicates whether the function should just check if the DBMS driver
- * can perform the requested table alterations if the value is true or
- * actually perform them otherwise.
- * @access public
- *
- * @return mixed MDB2_OK on success, a MDB2 error on failure
- */
- function alterTable($name, $changes, $check)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
- 'method not implemented', __FUNCTION__);
- }
-
- // }}}
- // {{{ listDatabases()
-
- /**
- * list all databases
- *
- * @return mixed array of database names on success, a MDB2 error on failure
- * @access public
- */
- function listDatabases()
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
- 'method not implementedd', __FUNCTION__);
- }
-
- // }}}
- // {{{ listUsers()
-
- /**
- * list all users
- *
- * @return mixed array of user names on success, a MDB2 error on failure
- * @access public
- */
- function listUsers()
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
- 'method not implemented', __FUNCTION__);
- }
-
- // }}}
- // {{{ listViews()
-
- /**
- * list all views in the current database
- *
- * @param string database, the current is default
- * NB: not all the drivers can get the view names from
- * a database other than the current one
- * @return mixed array of view names on success, a MDB2 error on failure
- * @access public
- */
- function listViews($database = null)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
- 'method not implemented', __FUNCTION__);
- }
-
- // }}}
- // {{{ listTableViews()
-
- /**
- * list the views in the database that reference a given table
- *
- * @param string table for which all referenced views should be found
- * @return mixed array of view names on success, a MDB2 error on failure
- * @access public
- */
- function listTableViews($table)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
- 'method not implemented', __FUNCTION__);
- }
-
- // }}}
- // {{{ listTableTriggers()
-
- /**
- * list all triggers in the database that reference a given table
- *
- * @param string table for which all referenced triggers should be found
- * @return mixed array of trigger names on success, a MDB2 error on failure
- * @access public
- */
- function listTableTriggers($table = null)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
- 'method not implemented', __FUNCTION__);
- }
-
- // }}}
- // {{{ listFunctions()
-
- /**
- * list all functions in the current database
- *
- * @return mixed array of function names on success, a MDB2 error on failure
- * @access public
- */
- function listFunctions()
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
- 'method not implemented', __FUNCTION__);
- }
-
- // }}}
- // {{{ listTables()
-
- /**
- * list all tables in the current database
- *
- * @param string database, the current is default.
- * NB: not all the drivers can get the table names from
- * a database other than the current one
- * @return mixed array of table names on success, a MDB2 error on failure
- * @access public
- */
- function listTables($database = null)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
- 'method not implemented', __FUNCTION__);
- }
-
- // }}}
- // {{{ listTableFields()
-
- /**
- * list all fields in a table in the current database
- *
- * @param string $table name of table that should be used in method
- * @return mixed array of field names on success, a MDB2 error on failure
- * @access public
- */
- function listTableFields($table)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
- 'method not implemented', __FUNCTION__);
- }
-
- // }}}
- // {{{ createIndex()
-
- /**
- * Get the stucture of a field into an array
- *
- * @param string $table name of the table on which the index is to be created
- * @param string $name name of the index to be created
- * @param array $definition associative array that defines properties of the index to be created.
- * Currently, only one property named FIELDS is supported. This property
- * is also an associative with the names of the index fields as array
- * indexes. Each entry of this array is set to another type of associative
- * array that specifies properties of the index that are specific to
- * each field.
- *
- * Currently, only the sorting property is supported. It should be used
- * to define the sorting direction of the index. It may be set to either
- * ascending or descending.
- *
- * Not all DBMS support index sorting direction configuration. The DBMS
- * drivers of those that do not support it ignore this property. Use the
- * function supports() to determine whether the DBMS driver can manage indexes.
- *
- * Example
- * array(
- * 'fields' => array(
- * 'user_name' => array(
- * 'sorting' => 'ascending'
- * ),
- * 'last_login' => array()
- * )
- * )
- * @return mixed MDB2_OK on success, a MDB2 error on failure
- * @access public
- */
- function createIndex($table, $name, $definition)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $table = $db->quoteIdentifier($table, true);
- $name = $db->quoteIdentifier($db->getIndexName($name), true);
- $query = "CREATE INDEX $name ON $table";
- $fields = array();
- foreach (array_keys($definition['fields']) as $field) {
- $fields[] = $db->quoteIdentifier($field, true);
- }
- $query .= ' ('. implode(', ', $fields) . ')';
- return $db->exec($query);
- }
-
- // }}}
- // {{{ dropIndex()
-
- /**
- * drop existing index
- *
- * @param string $table name of table that should be used in method
- * @param string $name name of the index to be dropped
- * @return mixed MDB2_OK on success, a MDB2 error on failure
- * @access public
- */
- function dropIndex($table, $name)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $name = $db->quoteIdentifier($db->getIndexName($name), true);
- return $db->exec("DROP INDEX $name");
- }
-
- // }}}
- // {{{ listTableIndexes()
-
- /**
- * list all indexes in a table
- *
- * @param string $table name of table that should be used in method
- * @return mixed array of index names on success, a MDB2 error on failure
- * @access public
- */
- function listTableIndexes($table)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
- 'method not implemented', __FUNCTION__);
- }
-
- // }}}
- // {{{ _getAdvancedFKOptions()
-
- /**
- * Return the FOREIGN KEY query section dealing with non-standard options
- * as MATCH, INITIALLY DEFERRED, ON UPDATE, ...
- *
- * @param array $definition
- * @return string
- * @access protected
- */
- function _getAdvancedFKOptions($definition)
- {
- return '';
- }
-
- // }}}
- // {{{ createConstraint()
-
- /**
- * create a constraint on a table
- *
- * @param string $table name of the table on which the constraint is to be created
- * @param string $name name of the constraint to be created
- * @param array $definition associative array that defines properties of the constraint to be created.
- * The full structure of the array looks like this:
- * <pre>
- * array (
- * [primary] => 0
- * [unique] => 0
- * [foreign] => 1
- * [check] => 0
- * [fields] => array (
- * [field1name] => array() // one entry per each field covered
- * [field2name] => array() // by the index
- * [field3name] => array(
- * [sorting] => ascending
- * [position] => 3
- * )
- * )
- * [references] => array(
- * [table] => name
- * [fields] => array(
- * [field1name] => array( //one entry per each referenced field
- * [position] => 1
- * )
- * )
- * )
- * [deferrable] => 0
- * [initiallydeferred] => 0
- * [onupdate] => CASCADE|RESTRICT|SET NULL|SET DEFAULT|NO ACTION
- * [ondelete] => CASCADE|RESTRICT|SET NULL|SET DEFAULT|NO ACTION
- * [match] => SIMPLE|PARTIAL|FULL
- * );
- * </pre>
- * @return mixed MDB2_OK on success, a MDB2 error on failure
- * @access public
- */
- function createConstraint($table, $name, $definition)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
- $table = $db->quoteIdentifier($table, true);
- $name = $db->quoteIdentifier($db->getIndexName($name), true);
- $query = "ALTER TABLE $table ADD CONSTRAINT $name";
- if (!empty($definition['primary'])) {
- $query.= ' PRIMARY KEY';
- } elseif (!empty($definition['unique'])) {
- $query.= ' UNIQUE';
- } elseif (!empty($definition['foreign'])) {
- $query.= ' FOREIGN KEY';
- }
- $fields = array();
- foreach (array_keys($definition['fields']) as $field) {
- $fields[] = $db->quoteIdentifier($field, true);
- }
- $query .= ' ('. implode(', ', $fields) . ')';
- if (!empty($definition['foreign'])) {
- $query.= ' REFERENCES ' . $db->quoteIdentifier($definition['references']['table'], true);
- $referenced_fields = array();
- foreach (array_keys($definition['references']['fields']) as $field) {
- $referenced_fields[] = $db->quoteIdentifier($field, true);
- }
- $query .= ' ('. implode(', ', $referenced_fields) . ')';
- $query .= $this->_getAdvancedFKOptions($definition);
- }
- return $db->exec($query);
- }
-
- // }}}
- // {{{ dropConstraint()
-
- /**
- * drop existing constraint
- *
- * @param string $table name of table that should be used in method
- * @param string $name name of the constraint to be dropped
- * @param string $primary hint if the constraint is primary
- * @return mixed MDB2_OK on success, a MDB2 error on failure
- * @access public
- */
- function dropConstraint($table, $name, $primary = false)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $table = $db->quoteIdentifier($table, true);
- $name = $db->quoteIdentifier($db->getIndexName($name), true);
- return $db->exec("ALTER TABLE $table DROP CONSTRAINT $name");
- }
-
- // }}}
- // {{{ listTableConstraints()
-
- /**
- * list all constraints in a table
- *
- * @param string $table name of table that should be used in method
- * @return mixed array of constraint names on success, a MDB2 error on failure
- * @access public
- */
- function listTableConstraints($table)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
- 'method not implemented', __FUNCTION__);
- }
-
- // }}}
- // {{{ createSequence()
-
- /**
- * create sequence
- *
- * @param string $seq_name name of the sequence to be created
- * @param string $start start value of the sequence; default is 1
- * @return mixed MDB2_OK on success, a MDB2 error on failure
- * @access public
- */
- function createSequence($seq_name, $start = 1)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
- 'method not implemented', __FUNCTION__);
- }
-
- // }}}
- // {{{ dropSequence()
-
- /**
- * drop existing sequence
- *
- * @param string $seq_name name of the sequence to be dropped
- * @return mixed MDB2_OK on success, a MDB2 error on failure
- * @access public
- */
- function dropSequence($name)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
- 'method not implemented', __FUNCTION__);
- }
-
- // }}}
- // {{{ listSequences()
-
- /**
- * list all sequences in the current database
- *
- * @param string database, the current is default
- * NB: not all the drivers can get the sequence names from
- * a database other than the current one
- * @return mixed array of sequence names on success, a MDB2 error on failure
- * @access public
- */
- function listSequences($database = null)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
- 'method not implemented', __FUNCTION__);
- }
-
- // }}}
-}
+<?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: Lukas Smith <smith@pooteeweet.org> |
+// | Lorenzo Alberton <l.alberton@quipo.it> |
+// +----------------------------------------------------------------------+
+//
+// $Id: Common.php,v 1.72 2009/01/14 15:00:40 quipo Exp $
+//
+
+/**
+ * @package MDB2
+ * @category Database
+ * @author Lukas Smith <smith@pooteeweet.org>
+ * @author Lorenzo Alberton <l.alberton@quipo.it>
+ */
+
+/**
+ * Base class for the management modules that is extended by each MDB2 driver
+ *
+ * To load this module in the MDB2 object:
+ * $mdb->loadModule('Manager');
+ *
+ * @package MDB2
+ * @category Database
+ * @author Lukas Smith <smith@pooteeweet.org>
+ */
+class MDB2_Driver_Manager_Common extends MDB2_Module_Common
+{
+ // {{{ splitTableSchema()
+
+ /**
+ * Split the "[owner|schema].table" notation into an array
+ *
+ * @param string $table [schema and] table name
+ *
+ * @return array array(schema, table)
+ * @access private
+ */
+ function splitTableSchema($table)
+ {
+ $ret = array();
+ if (strpos($table, '.') !== false) {
+ return explode('.', $table);
+ }
+ return array(null, $table);
+ }
+
+ // }}}
+ // {{{ getFieldDeclarationList()
+
+ /**
+ * Get declaration of a number of field in bulk
+ *
+ * @param array $fields a multidimensional associative array.
+ * The first dimension determines the field name, while the second
+ * dimension is keyed with the name of the properties
+ * of the field being declared as array indexes. Currently, the types
+ * of supported field properties are as follows:
+ *
+ * default
+ * Boolean value to be used as default for this field.
+ *
+ * notnull
+ * Boolean flag that indicates whether this field is constrained
+ * to not be set to null.
+ *
+ * @return mixed string on success, a MDB2 error on failure
+ * @access public
+ */
+ function getFieldDeclarationList($fields)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ if (!is_array($fields) || empty($fields)) {
+ return $db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
+ 'missing any fields', __FUNCTION__);
+ }
+ foreach ($fields as $field_name => $field) {
+ $query = $db->getDeclaration($field['type'], $field_name, $field);
+ if (PEAR::isError($query)) {
+ return $query;
+ }
+ $query_fields[] = $query;
+ }
+ return implode(', ', $query_fields);
+ }
+
+ // }}}
+ // {{{ _fixSequenceName()
+
+ /**
+ * Removes any formatting in an sequence name using the 'seqname_format' option
+ *
+ * @param string $sqn string that containts name of a potential sequence
+ * @param bool $check if only formatted sequences should be returned
+ * @return string name of the sequence with possible formatting removed
+ * @access protected
+ */
+ function _fixSequenceName($sqn, $check = false)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $seq_pattern = '/^'.preg_replace('/%s/', '([a-z0-9_]+)', $db->options['seqname_format']).'$/i';
+ $seq_name = preg_replace($seq_pattern, '\\1', $sqn);
+ if ($seq_name && !strcasecmp($sqn, $db->getSequenceName($seq_name))) {
+ return $seq_name;
+ }
+ if ($check) {
+ return false;
+ }
+ return $sqn;
+ }
+
+ // }}}
+ // {{{ _fixIndexName()
+
+ /**
+ * Removes any formatting in an index name using the 'idxname_format' option
+ *
+ * @param string $idx string that containts name of anl index
+ * @return string name of the index with eventual formatting removed
+ * @access protected
+ */
+ function _fixIndexName($idx)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $idx_pattern = '/^'.preg_replace('/%s/', '([a-z0-9_]+)', $db->options['idxname_format']).'$/i';
+ $idx_name = preg_replace($idx_pattern, '\\1', $idx);
+ if ($idx_name && !strcasecmp($idx, $db->getIndexName($idx_name))) {
+ return $idx_name;
+ }
+ return $idx;
+ }
+
+ // }}}
+ // {{{ createDatabase()
+
+ /**
+ * create a new database
+ *
+ * @param string $name name of the database that should be created
+ * @param array $options array with charset, collation info
+ *
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function createDatabase($database, $options = array())
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'method not implemented', __FUNCTION__);
+ }
+
+ // }}}
+ // {{{ 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()
+
+ /**
+ * drop an existing database
+ *
+ * @param string $name name of the database that should be dropped
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function dropDatabase($database)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'method not implemented', __FUNCTION__);
+ }
+
+ // }}}
+ // {{{ _getCreateTableQuery()
+
+ /**
+ * Create a basic SQL query for a new table creation
+ *
+ * @param string $name Name of the database that should be created
+ * @param array $fields Associative array that contains the definition of each field of the new table
+ * @param array $options An associative array of table options
+ *
+ * @return mixed string (the SQL query) on success, a MDB2 error on failure
+ * @see createTable()
+ */
+ function _getCreateTableQuery($name, $fields, $options = array())
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ if (!$name) {
+ return $db->raiseError(MDB2_ERROR_CANNOT_CREATE, null, null,
+ 'no valid table name specified', __FUNCTION__);
+ }
+ if (empty($fields)) {
+ return $db->raiseError(MDB2_ERROR_CANNOT_CREATE, null, null,
+ 'no fields specified for table "'.$name.'"', __FUNCTION__);
+ }
+ $query_fields = $this->getFieldDeclarationList($fields);
+ if (PEAR::isError($query_fields)) {
+ return $query_fields;
+ }
+ if (!empty($options['primary'])) {
+ $query_fields.= ', PRIMARY KEY ('.implode(', ', array_keys($options['primary'])).')';
+ }
+
+ $name = $db->quoteIdentifier($name, true);
+ $result = 'CREATE ';
+ if (!empty($options['temporary'])) {
+ $result .= $this->_getTemporaryTableQuery();
+ }
+ $result .= " TABLE $name ($query_fields)";
+ return $result;
+ }
+
+ // }}}
+ // {{{ _getTemporaryTableQuery()
+
+ /**
+ * A method to return the required SQL string that fits between CREATE ... TABLE
+ * to create the table as a temporary table.
+ *
+ * Should be overridden in driver classes to return the correct string for the
+ * specific database type.
+ *
+ * The default is to return the string "TEMPORARY" - this will result in a
+ * SQL error for any database that does not support temporary tables, or that
+ * requires a different SQL command from "CREATE TEMPORARY TABLE".
+ *
+ * @return string The string required to be placed between "CREATE" and "TABLE"
+ * to generate a temporary table, if possible.
+ */
+ function _getTemporaryTableQuery()
+ {
+ return 'TEMPORARY';
+ }
+
+ // }}}
+ // {{{ createTable()
+
+ /**
+ * create a new table
+ *
+ * @param string $name Name of the database that should be created
+ * @param array $fields Associative array that contains the definition of each field of the new table
+ * The indexes of the array entries are the names of the fields of the table an
+ * the array entry values are associative arrays like those that are meant to be
+ * passed with the field definitions to get[Type]Declaration() functions.
+ * array(
+ * 'id' => array(
+ * 'type' => 'integer',
+ * 'unsigned' => 1
+ * 'notnull' => 1
+ * 'default' => 0
+ * ),
+ * 'name' => array(
+ * 'type' => 'text',
+ * 'length' => 12
+ * ),
+ * 'password' => array(
+ * 'type' => 'text',
+ * 'length' => 12
+ * )
+ * );
+ * @param array $options An associative array of table options:
+ * array(
+ * 'comment' => 'Foo',
+ * 'temporary' => true|false,
+ * );
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function createTable($name, $fields, $options = array())
+ {
+ $query = $this->_getCreateTableQuery($name, $fields, $options);
+ if (PEAR::isError($query)) {
+ return $query;
+ }
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+ $result = $db->exec($query);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ return MDB2_OK;
+ }
+
+ // }}}
+ // {{{ dropTable()
+
+ /**
+ * drop an existing table
+ *
+ * @param string $name name of the table that should be dropped
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function dropTable($name)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $name = $db->quoteIdentifier($name, true);
+ return $db->exec("DROP TABLE $name");
+ }
+
+ // }}}
+ // {{{ 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()
+
+ /**
+ * alter an existing table
+ *
+ * @param string $name name of the table that is intended to be changed.
+ * @param array $changes associative array that contains the details of each type
+ * of change that is intended to be performed. The types of
+ * changes that are currently supported are defined as follows:
+ *
+ * name
+ *
+ * New name for the table.
+ *
+ * add
+ *
+ * Associative array with the names of fields to be added as
+ * indexes of the array. The value of each entry of the array
+ * should be set to another associative array with the properties
+ * of the fields to be added. The properties of the fields should
+ * be the same as defined by the MDB2 parser.
+ *
+ *
+ * remove
+ *
+ * Associative array with the names of fields to be removed as indexes
+ * of the array. Currently the values assigned to each entry are ignored.
+ * An empty array should be used for future compatibility.
+ *
+ * rename
+ *
+ * Associative array with the names of fields to be renamed as indexes
+ * of the array. The value of each entry of the array should be set to
+ * another associative array with the entry named name with the new
+ * field name and the entry named Declaration that is expected to contain
+ * the portion of the field declaration already in DBMS specific SQL code
+ * as it is used in the CREATE TABLE statement.
+ *
+ * change
+ *
+ * Associative array with the names of the fields to be changed as indexes
+ * of the array. Keep in mind that if it is intended to change either the
+ * name of a field and any other properties, the change array entries
+ * should have the new names of the fields as array indexes.
+ *
+ * The value of each entry of the array should be set to another associative
+ * array with the properties of the fields to that are meant to be changed as
+ * array entries. These entries should be assigned to the new values of the
+ * respective properties. The properties of the fields should be the same
+ * as defined by the MDB2 parser.
+ *
+ * Example
+ * array(
+ * 'name' => 'userlist',
+ * 'add' => array(
+ * 'quota' => array(
+ * 'type' => 'integer',
+ * 'unsigned' => 1
+ * )
+ * ),
+ * 'remove' => array(
+ * 'file_limit' => array(),
+ * 'time_limit' => array()
+ * ),
+ * 'change' => array(
+ * 'name' => array(
+ * 'length' => '20',
+ * 'definition' => array(
+ * 'type' => 'text',
+ * 'length' => 20,
+ * ),
+ * )
+ * ),
+ * 'rename' => array(
+ * 'sex' => array(
+ * 'name' => 'gender',
+ * 'definition' => array(
+ * 'type' => 'text',
+ * 'length' => 1,
+ * 'default' => 'M',
+ * ),
+ * )
+ * )
+ * )
+ *
+ * @param boolean $check indicates whether the function should just check if the DBMS driver
+ * can perform the requested table alterations if the value is true or
+ * actually perform them otherwise.
+ * @access public
+ *
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ */
+ function alterTable($name, $changes, $check)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'method not implemented', __FUNCTION__);
+ }
+
+ // }}}
+ // {{{ listDatabases()
+
+ /**
+ * list all databases
+ *
+ * @return mixed array of database names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listDatabases()
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'method not implementedd', __FUNCTION__);
+ }
+
+ // }}}
+ // {{{ listUsers()
+
+ /**
+ * list all users
+ *
+ * @return mixed array of user names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listUsers()
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'method not implemented', __FUNCTION__);
+ }
+
+ // }}}
+ // {{{ listViews()
+
+ /**
+ * list all views in the current database
+ *
+ * @param string database, the current is default
+ * NB: not all the drivers can get the view names from
+ * a database other than the current one
+ * @return mixed array of view names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listViews($database = null)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'method not implemented', __FUNCTION__);
+ }
+
+ // }}}
+ // {{{ listTableViews()
+
+ /**
+ * list the views in the database that reference a given table
+ *
+ * @param string table for which all referenced views should be found
+ * @return mixed array of view names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listTableViews($table)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'method not implemented', __FUNCTION__);
+ }
+
+ // }}}
+ // {{{ listTableTriggers()
+
+ /**
+ * list all triggers in the database that reference a given table
+ *
+ * @param string table for which all referenced triggers should be found
+ * @return mixed array of trigger names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listTableTriggers($table = null)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'method not implemented', __FUNCTION__);
+ }
+
+ // }}}
+ // {{{ listFunctions()
+
+ /**
+ * list all functions in the current database
+ *
+ * @return mixed array of function names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listFunctions()
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'method not implemented', __FUNCTION__);
+ }
+
+ // }}}
+ // {{{ listTables()
+
+ /**
+ * list all tables in the current database
+ *
+ * @param string database, the current is default.
+ * NB: not all the drivers can get the table names from
+ * a database other than the current one
+ * @return mixed array of table names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listTables($database = null)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'method not implemented', __FUNCTION__);
+ }
+
+ // }}}
+ // {{{ listTableFields()
+
+ /**
+ * list all fields in a table in the current database
+ *
+ * @param string $table name of table that should be used in method
+ * @return mixed array of field names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listTableFields($table)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'method not implemented', __FUNCTION__);
+ }
+
+ // }}}
+ // {{{ createIndex()
+
+ /**
+ * Get the stucture of a field into an array
+ *
+ * @param string $table name of the table on which the index is to be created
+ * @param string $name name of the index to be created
+ * @param array $definition associative array that defines properties of the index to be created.
+ * Currently, only one property named FIELDS is supported. This property
+ * is also an associative with the names of the index fields as array
+ * indexes. Each entry of this array is set to another type of associative
+ * array that specifies properties of the index that are specific to
+ * each field.
+ *
+ * Currently, only the sorting property is supported. It should be used
+ * to define the sorting direction of the index. It may be set to either
+ * ascending or descending.
+ *
+ * Not all DBMS support index sorting direction configuration. The DBMS
+ * drivers of those that do not support it ignore this property. Use the
+ * function supports() to determine whether the DBMS driver can manage indexes.
+ *
+ * Example
+ * array(
+ * 'fields' => array(
+ * 'user_name' => array(
+ * 'sorting' => 'ascending'
+ * ),
+ * 'last_login' => array()
+ * )
+ * )
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function createIndex($table, $name, $definition)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $table = $db->quoteIdentifier($table, true);
+ $name = $db->quoteIdentifier($db->getIndexName($name), true);
+ $query = "CREATE INDEX $name ON $table";
+ $fields = array();
+ foreach (array_keys($definition['fields']) as $field) {
+ $fields[] = $db->quoteIdentifier($field, true);
+ }
+ $query .= ' ('. implode(', ', $fields) . ')';
+ return $db->exec($query);
+ }
+
+ // }}}
+ // {{{ dropIndex()
+
+ /**
+ * drop existing index
+ *
+ * @param string $table name of table that should be used in method
+ * @param string $name name of the index to be dropped
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function dropIndex($table, $name)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $name = $db->quoteIdentifier($db->getIndexName($name), true);
+ return $db->exec("DROP INDEX $name");
+ }
+
+ // }}}
+ // {{{ listTableIndexes()
+
+ /**
+ * list all indexes in a table
+ *
+ * @param string $table name of table that should be used in method
+ * @return mixed array of index names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listTableIndexes($table)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'method not implemented', __FUNCTION__);
+ }
+
+ // }}}
+ // {{{ _getAdvancedFKOptions()
+
+ /**
+ * Return the FOREIGN KEY query section dealing with non-standard options
+ * as MATCH, INITIALLY DEFERRED, ON UPDATE, ...
+ *
+ * @param array $definition
+ * @return string
+ * @access protected
+ */
+ function _getAdvancedFKOptions($definition)
+ {
+ return '';
+ }
+
+ // }}}
+ // {{{ createConstraint()
+
+ /**
+ * create a constraint on a table
+ *
+ * @param string $table name of the table on which the constraint is to be created
+ * @param string $name name of the constraint to be created
+ * @param array $definition associative array that defines properties of the constraint to be created.
+ * The full structure of the array looks like this:
+ * <pre>
+ * array (
+ * [primary] => 0
+ * [unique] => 0
+ * [foreign] => 1
+ * [check] => 0
+ * [fields] => array (
+ * [field1name] => array() // one entry per each field covered
+ * [field2name] => array() // by the index
+ * [field3name] => array(
+ * [sorting] => ascending
+ * [position] => 3
+ * )
+ * )
+ * [references] => array(
+ * [table] => name
+ * [fields] => array(
+ * [field1name] => array( //one entry per each referenced field
+ * [position] => 1
+ * )
+ * )
+ * )
+ * [deferrable] => 0
+ * [initiallydeferred] => 0
+ * [onupdate] => CASCADE|RESTRICT|SET NULL|SET DEFAULT|NO ACTION
+ * [ondelete] => CASCADE|RESTRICT|SET NULL|SET DEFAULT|NO ACTION
+ * [match] => SIMPLE|PARTIAL|FULL
+ * );
+ * </pre>
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function createConstraint($table, $name, $definition)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+ $table = $db->quoteIdentifier($table, true);
+ $name = $db->quoteIdentifier($db->getIndexName($name), true);
+ $query = "ALTER TABLE $table ADD CONSTRAINT $name";
+ if (!empty($definition['primary'])) {
+ $query.= ' PRIMARY KEY';
+ } elseif (!empty($definition['unique'])) {
+ $query.= ' UNIQUE';
+ } elseif (!empty($definition['foreign'])) {
+ $query.= ' FOREIGN KEY';
+ }
+ $fields = array();
+ foreach (array_keys($definition['fields']) as $field) {
+ $fields[] = $db->quoteIdentifier($field, true);
+ }
+ $query .= ' ('. implode(', ', $fields) . ')';
+ if (!empty($definition['foreign'])) {
+ $query.= ' REFERENCES ' . $db->quoteIdentifier($definition['references']['table'], true);
+ $referenced_fields = array();
+ foreach (array_keys($definition['references']['fields']) as $field) {
+ $referenced_fields[] = $db->quoteIdentifier($field, true);
+ }
+ $query .= ' ('. implode(', ', $referenced_fields) . ')';
+ $query .= $this->_getAdvancedFKOptions($definition);
+ }
+ return $db->exec($query);
+ }
+
+ // }}}
+ // {{{ dropConstraint()
+
+ /**
+ * drop existing constraint
+ *
+ * @param string $table name of table that should be used in method
+ * @param string $name name of the constraint to be dropped
+ * @param string $primary hint if the constraint is primary
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function dropConstraint($table, $name, $primary = false)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $table = $db->quoteIdentifier($table, true);
+ $name = $db->quoteIdentifier($db->getIndexName($name), true);
+ return $db->exec("ALTER TABLE $table DROP CONSTRAINT $name");
+ }
+
+ // }}}
+ // {{{ listTableConstraints()
+
+ /**
+ * list all constraints in a table
+ *
+ * @param string $table name of table that should be used in method
+ * @return mixed array of constraint names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listTableConstraints($table)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'method not implemented', __FUNCTION__);
+ }
+
+ // }}}
+ // {{{ createSequence()
+
+ /**
+ * create sequence
+ *
+ * @param string $seq_name name of the sequence to be created
+ * @param string $start start value of the sequence; default is 1
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function createSequence($seq_name, $start = 1)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'method not implemented', __FUNCTION__);
+ }
+
+ // }}}
+ // {{{ dropSequence()
+
+ /**
+ * drop existing sequence
+ *
+ * @param string $seq_name name of the sequence to be dropped
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function dropSequence($name)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'method not implemented', __FUNCTION__);
+ }
+
+ // }}}
+ // {{{ listSequences()
+
+ /**
+ * list all sequences in the current database
+ *
+ * @param string database, the current is default
+ * NB: not all the drivers can get the sequence names from
+ * a database other than the current one
+ * @return mixed array of sequence names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listSequences($database = null)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'method not implemented', __FUNCTION__);
+ }
+
+ // }}}
+}
?>
\ No newline at end of file
diff --git a/inc/MDB2/Driver/Manager/mysql.php b/inc/MDB2/Driver/Manager/mysql.php
index b37e346f40..e037a0d16a 100755
--- a/inc/MDB2/Driver/Manager/mysql.php
+++ b/inc/MDB2/Driver/Manager/mysql.php
@@ -1,1432 +1,1432 @@
-<?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 1.113 2008/11/23 20:30:29 quipo Exp $
-//
-
-require_once 'MDB2/Driver/Manager/Common.php';
-
-/**
- * MDB2 MySQL driver for the management modules
- *
- * @package MDB2
- * @category Database
- * @author Lukas Smith <smith@pooteeweet.org>
- */
-class MDB2_Driver_Manager_mysql extends MDB2_Driver_Manager_Common
-{
-
- // }}}
- // {{{ createDatabase()
-
- /**
- * create a new database
- *
- * @param string $name name of the database that should be created
- * @param array $options array with charset, collation info
- *
- * @return mixed MDB2_OK on success, a MDB2 error on failure
- * @access public
- */
- function createDatabase($name, $options = array())
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $name = $db->quoteIdentifier($name, true);
- $query = 'CREATE DATABASE ' . $name;
- if (!empty($options['charset'])) {
- $query .= ' DEFAULT CHARACTER SET ' . $db->quote($options['charset'], 'text');
- }
- if (!empty($options['collation'])) {
- $query .= ' COLLATE ' . $db->quote($options['collation'], '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 $options array with charset, collation info
- *
- * @return mixed MDB2_OK on success, a MDB2 error on failure
- * @access public
- */
- function alterDatabase($name, $options = array())
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $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);
- }
-
- // }}}
- // {{{ 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'];
- }
- return $query;
- }
-
- // }}}
- // {{{ createTable()
-
- /**
- * create a new table
- *
- * @param string $name Name of the database that should be created
- * @param array $fields Associative array that contains the definition of each field of the new table
- * The indexes of the array entries are the names of the fields of the table an
- * the array entry values are associative arrays like those that are meant to be
- * passed with the field definitions to get[Type]Declaration() functions.
- * array(
- * 'id' => array(
- * 'type' => 'integer',
- * 'unsigned' => 1
- * 'notnull' => 1
- * 'default' => 0
- * ),
- * 'name' => array(
- * 'type' => 'text',
- * 'length' => 12
- * ),
- * 'password' => array(
- * 'type' => 'text',
- * 'length' => 12
- * )
- * );
- * @param array $options An associative array of table options:
- * array(
- * 'comment' => 'Foo',
- * 'charset' => 'utf8',
- * 'collate' => 'utf8_unicode_ci',
- * 'type' => 'innodb',
- * );
- *
- * @return mixed MDB2_OK on success, a MDB2 error on failure
- * @access public
- */
- function createTable($name, $fields, $options = array())
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- // 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'])) {
- $options_strings['comment'] = 'COMMENT = '.$db->quote($options['comment'], 'text');
- }
-
- if (!empty($options['charset'])) {
- $options_strings['charset'] = 'DEFAULT CHARACTER SET '.$options['charset'];
- if (!empty($options['collate'])) {
- $options_strings['charset'].= ' COLLATE '.$options['collate'];
- }
- }
-
- $type = false;
- if (!empty($options['type'])) {
- $type = $options['type'];
- } elseif ($db->options['default_table_type']) {
- $type = $db->options['default_table_type'];
- }
- if ($type) {
- $options_strings[] = "ENGINE = $type";
- }
-
- if (!empty($options_strings)) {
- $query .= ' '.implode(' ', $options_strings);
- }
- $result = $db->exec($query);
- if (PEAR::isError($result)) {
- return $result;
- }
- return MDB2_OK;
- }
-
- // }}}
- // {{{ 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()
-
- /**
- * alter an existing table
- *
- * @param string $name name of the table that is intended to be changed.
- * @param array $changes associative array that contains the details of each type
- * of change that is intended to be performed. The types of
- * changes that are currently supported are defined as follows:
- *
- * name
- *
- * New name for the table.
- *
- * add
- *
- * Associative array with the names of fields to be added as
- * indexes of the array. The value of each entry of the array
- * should be set to another associative array with the properties
- * of the fields to be added. The properties of the fields should
- * be the same as defined by the MDB2 parser.
- *
- *
- * remove
- *
- * Associative array with the names of fields to be removed as indexes
- * of the array. Currently the values assigned to each entry are ignored.
- * An empty array should be used for future compatibility.
- *
- * rename
- *
- * Associative array with the names of fields to be renamed as indexes
- * of the array. The value of each entry of the array should be set to
- * another associative array with the entry named name with the new
- * field name and the entry named Declaration that is expected to contain
- * the portion of the field declaration already in DBMS specific SQL code
- * as it is used in the CREATE TABLE statement.
- *
- * change
- *
- * Associative array with the names of the fields to be changed as indexes
- * of the array. Keep in mind that if it is intended to change either the
- * name of a field and any other properties, the change array entries
- * should have the new names of the fields as array indexes.
- *
- * The value of each entry of the array should be set to another associative
- * array with the properties of the fields to that are meant to be changed as
- * array entries. These entries should be assigned to the new values of the
- * respective properties. The properties of the fields should be the same
- * as defined by the MDB2 parser.
- *
- * Example
- * array(
- * 'name' => 'userlist',
- * 'add' => array(
- * 'quota' => array(
- * 'type' => 'integer',
- * 'unsigned' => 1
- * )
- * ),
- * 'remove' => array(
- * 'file_limit' => array(),
- * 'time_limit' => array()
- * ),
- * 'change' => array(
- * 'name' => array(
- * 'length' => '20',
- * 'definition' => array(
- * 'type' => 'text',
- * 'length' => 20,
- * ),
- * )
- * ),
- * 'rename' => array(
- * 'sex' => array(
- * 'name' => 'gender',
- * 'definition' => array(
- * 'type' => 'text',
- * 'length' => 1,
- * 'default' => 'M',
- * ),
- * )
- * )
- * )
- *
- * @param boolean $check indicates whether the function should just check if the DBMS driver
- * can perform the requested table alterations if the value is true or
- * actually perform them otherwise.
- * @access public
- *
- * @return mixed MDB2_OK on success, a MDB2 error on failure
- */
- function alterTable($name, $changes, $check)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- foreach ($changes as $change_name => $change) {
- switch ($change_name) {
- case 'add':
- case 'remove':
- case 'change':
- case 'rename':
- case 'name':
- break;
- default:
- return $db->raiseError(MDB2_ERROR_CANNOT_ALTER, null, null,
- 'change type "'.$change_name.'" not yet supported', __FUNCTION__);
- }
- }
-
- if ($check) {
- return MDB2_OK;
- }
-
- $query = '';
- if (!empty($changes['name'])) {
- $change_name = $db->quoteIdentifier($changes['name'], true);
- $query .= 'RENAME TO ' . $change_name;
- }
-
- if (!empty($changes['add']) && is_array($changes['add'])) {
- foreach ($changes['add'] as $field_name => $field) {
- if ($query) {
- $query.= ', ';
- }
- $query.= 'ADD ' . $db->getDeclaration($field['type'], $field_name, $field);
- }
- }
-
- if (!empty($changes['remove']) && is_array($changes['remove'])) {
- foreach ($changes['remove'] as $field_name => $field) {
- if ($query) {
- $query.= ', ';
- }
- $field_name = $db->quoteIdentifier($field_name, true);
- $query.= 'DROP ' . $field_name;
- }
- }
-
- $rename = array();
- if (!empty($changes['rename']) && is_array($changes['rename'])) {
- foreach ($changes['rename'] as $field_name => $field) {
- $rename[$field['name']] = $field_name;
- }
- }
-
- if (!empty($changes['change']) && is_array($changes['change'])) {
- foreach ($changes['change'] as $field_name => $field) {
- if ($query) {
- $query.= ', ';
- }
- if (isset($rename[$field_name])) {
- $old_field_name = $rename[$field_name];
- unset($rename[$field_name]);
- } else {
- $old_field_name = $field_name;
- }
- $old_field_name = $db->quoteIdentifier($old_field_name, true);
- $query.= "CHANGE $old_field_name " . $db->getDeclaration($field['definition']['type'], $field_name, $field['definition']);
- }
- }
-
- if (!empty($rename) && is_array($rename)) {
- foreach ($rename as $rename_name => $renamed_field) {
- if ($query) {
- $query.= ', ';
- }
- $field = $changes['rename'][$renamed_field];
- $renamed_field = $db->quoteIdentifier($renamed_field, true);
- $query.= 'CHANGE ' . $renamed_field . ' ' . $db->getDeclaration($field['definition']['type'], $field['name'], $field['definition']);
- }
- }
-
- if (!$query) {
- return MDB2_OK;
- }
-
- $name = $db->quoteIdentifier($name, true);
- return $db->exec("ALTER TABLE $name $query");
- }
-
- // }}}
- // {{{ listDatabases()
-
- /**
- * list all databases
- *
- * @return mixed array of database names on success, a MDB2 error on failure
- * @access public
- */
- function listDatabases()
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $result = $db->queryCol('SHOW DATABASES');
- if (PEAR::isError($result)) {
- return $result;
- }
- if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
- $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
- }
- return $result;
- }
-
- // }}}
- // {{{ listUsers()
-
- /**
- * list all users
- *
- * @return mixed array of user names on success, a MDB2 error on failure
- * @access public
- */
- function listUsers()
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- return $db->queryCol('SELECT DISTINCT USER FROM mysql.USER');
- }
-
- // }}}
- // {{{ listFunctions()
-
- /**
- * list all functions in the current database
- *
- * @return mixed array of function names on success, a MDB2 error on failure
- * @access public
- */
- function listFunctions()
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $query = "SELECT name FROM mysql.proc";
- /*
- SELECT ROUTINE_NAME
- FROM INFORMATION_SCHEMA.ROUTINES
- WHERE ROUTINE_TYPE = 'FUNCTION'
- */
- $result = $db->queryCol($query);
- if (PEAR::isError($result)) {
- return $result;
- }
- if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
- $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
- }
- return $result;
- }
-
- // }}}
- // {{{ listTableTriggers()
-
- /**
- * list all triggers in the database that reference a given table
- *
- * @param string table for which all referenced triggers should be found
- * @return mixed array of trigger names on success, a MDB2 error on failure
- * @access public
- */
- function listTableTriggers($table = null)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $query = 'SHOW TRIGGERS';
- if (!is_null($table)) {
- $table = $db->quote($table, 'text');
- $query .= " LIKE $table";
- }
- $result = $db->queryCol($query);
- if (PEAR::isError($result)) {
- return $result;
- }
- if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
- $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
- }
- return $result;
- }
-
- // }}}
- // {{{ listTables()
-
- /**
- * list all tables in the current database
- *
- * @param string database, the current is default
- * @return mixed array of table names on success, a MDB2 error on failure
- * @access public
- */
- function listTables($database = null)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $query = "SHOW /*!50002 FULL*/ TABLES";
- if (!is_null($database)) {
- $query .= " FROM $database";
- }
- $query.= "/*!50002 WHERE Table_type = 'BASE TABLE'*/";
-
- $table_names = $db->queryAll($query, null, MDB2_FETCHMODE_ORDERED);
- if (PEAR::isError($table_names)) {
- return $table_names;
- }
-
- $result = array();
- foreach ($table_names as $table) {
- if (!$this->_fixSequenceName($table[0], true)) {
- $result[] = $table[0];
- }
- }
- if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
- $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
- }
- return $result;
- }
-
- // }}}
- // {{{ listViews()
-
- /**
- * list all views in the current database
- *
- * @param string database, the current is default
- * @return mixed array of view names on success, a MDB2 error on failure
- * @access public
- */
- function listViews($database = null)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $query = 'SHOW FULL TABLES';
- if (!is_null($database)) {
- $query.= " FROM $database";
- }
- $query.= " WHERE Table_type = 'VIEW'";
-
- $result = $db->queryCol($query);
- if (PEAR::isError($result)) {
- return $result;
- }
-
- if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
- $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
- }
- return $result;
- }
-
- // }}}
- // {{{ listTableFields()
-
- /**
- * list all fields in a table in the current database
- *
- * @param string $table name of table that should be used in method
- * @return mixed array of field names on success, a MDB2 error on failure
- * @access public
- */
- function listTableFields($table)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $table = $db->quoteIdentifier($table, true);
- $result = $db->queryCol("SHOW COLUMNS FROM $table");
- if (PEAR::isError($result)) {
- return $result;
- }
- if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
- $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
- }
- return $result;
- }
-
- // }}}
- // {{{ createIndex()
-
- /**
- * Get the stucture of a field into an array
- *
- * @author Leoncx
- * @param string $table name of the table on which the index is to be created
- * @param string $name name of the index to be created
- * @param array $definition associative array that defines properties of the index to be created.
- * Currently, only one property named FIELDS is supported. This property
- * is also an associative with the names of the index fields as array
- * indexes. Each entry of this array is set to another type of associative
- * array that specifies properties of the index that are specific to
- * each field.
- *
- * Currently, only the sorting property is supported. It should be used
- * to define the sorting direction of the index. It may be set to either
- * ascending or descending.
- *
- * Not all DBMS support index sorting direction configuration. The DBMS
- * drivers of those that do not support it ignore this property. Use the
- * function supports() to determine whether the DBMS driver can manage indexes.
- *
- * Example
- * array(
- * 'fields' => array(
- * 'user_name' => array(
- * 'sorting' => 'ascending'
- * 'length' => 10
- * ),
- * 'last_login' => array()
- * )
- * )
- *
- * @return mixed MDB2_OK on success, a MDB2 error on failure
- * @access public
- */
- function createIndex($table, $name, $definition)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $table = $db->quoteIdentifier($table, true);
- $name = $db->quoteIdentifier($db->getIndexName($name), true);
- $query = "CREATE INDEX $name ON $table";
- $fields = array();
- foreach ($definition['fields'] as $field => $fieldinfo) {
- if (!empty($fieldinfo['length'])) {
- $fields[] = $db->quoteIdentifier($field, true) . '(' . $fieldinfo['length'] . ')';
- } else {
- $fields[] = $db->quoteIdentifier($field, true);
- }
- }
- $query .= ' ('. implode(', ', $fields) . ')';
- return $db->exec($query);
- }
-
- // }}}
- // {{{ dropIndex()
-
- /**
- * drop existing index
- *
- * @param string $table name of table that should be used in method
- * @param string $name name of the index to be dropped
- * @return mixed MDB2_OK on success, a MDB2 error on failure
- * @access public
- */
- function dropIndex($table, $name)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $table = $db->quoteIdentifier($table, true);
- $name = $db->quoteIdentifier($db->getIndexName($name), true);
- return $db->exec("DROP INDEX $name ON $table");
- }
-
- // }}}
- // {{{ listTableIndexes()
-
- /**
- * list all indexes in a table
- *
- * @param string $table name of table that should be used in method
- * @return mixed array of index names on success, a MDB2 error on failure
- * @access public
- */
- function listTableIndexes($table)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $key_name = 'Key_name';
- $non_unique = 'Non_unique';
- if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
- if ($db->options['field_case'] == CASE_LOWER) {
- $key_name = strtolower($key_name);
- $non_unique = strtolower($non_unique);
- } else {
- $key_name = strtoupper($key_name);
- $non_unique = strtoupper($non_unique);
- }
- }
-
- $table = $db->quoteIdentifier($table, true);
- $query = "SHOW INDEX FROM $table";
- $indexes = $db->queryAll($query, null, MDB2_FETCHMODE_ASSOC);
- if (PEAR::isError($indexes)) {
- return $indexes;
- }
-
- $result = array();
- foreach ($indexes as $index_data) {
- if ($index_data[$non_unique] && ($index = $this->_fixIndexName($index_data[$key_name]))) {
- $result[$index] = true;
- }
- }
-
- if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
- $result = array_change_key_case($result, $db->options['field_case']);
- }
- return array_keys($result);
- }
-
- // }}}
- // {{{ createConstraint()
-
- /**
- * create a constraint on a table
- *
- * @param string $table name of the table on which the constraint is to be created
- * @param string $name name of the constraint to be created
- * @param array $definition associative array that defines properties of the constraint to be created.
- * Currently, only one property named FIELDS is supported. This property
- * is also an associative with the names of the constraint fields as array
- * constraints. Each entry of this array is set to another type of associative
- * array that specifies properties of the constraint that are specific to
- * each field.
- *
- * Example
- * array(
- * 'fields' => array(
- * 'user_name' => array(),
- * 'last_login' => array()
- * )
- * )
- * @return mixed MDB2_OK on success, a MDB2 error on failure
- * @access public
- */
- function createConstraint($table, $name, $definition)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $type = '';
- $idx_name = $db->quoteIdentifier($db->getIndexName($name), true);
- if (!empty($definition['primary'])) {
- $type = 'PRIMARY';
- $idx_name = 'KEY';
- } elseif (!empty($definition['unique'])) {
- $type = 'UNIQUE';
- } elseif (!empty($definition['foreign'])) {
- $type = 'CONSTRAINT';
- }
- if (empty($type)) {
- return $db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
- 'invalid definition, could not create constraint', __FUNCTION__);
- }
-
- $table_quoted = $db->quoteIdentifier($table, true);
- $query = "ALTER TABLE $table_quoted ADD $type $idx_name";
- if (!empty($definition['foreign'])) {
- $query .= ' FOREIGN KEY';
- }
- $fields = array();
- foreach ($definition['fields'] as $field => $fieldinfo) {
- $quoted = $db->quoteIdentifier($field, true);
- if (!empty($fieldinfo['length'])) {
- $quoted .= '(' . $fieldinfo['length'] . ')';
- }
- $fields[] = $quoted;
- }
- $query .= ' ('. implode(', ', $fields) . ')';
- if (!empty($definition['foreign'])) {
- $query.= ' REFERENCES ' . $db->quoteIdentifier($definition['references']['table'], true);
- $referenced_fields = array();
- foreach (array_keys($definition['references']['fields']) as $field) {
- $referenced_fields[] = $db->quoteIdentifier($field, true);
- }
- $query .= ' ('. implode(', ', $referenced_fields) . ')';
- $query .= $this->_getAdvancedFKOptions($definition);
-
- // add index on FK column(s) or we can't add a FK constraint
- // @see http://forums.mysql.com/read.php?22,19755,226009
- $result = $this->createIndex($table, $name.'_fkidx', $definition);
- if (PEAR::isError($result)) {
- return $result;
- }
- }
- $res = $db->exec($query);
- if (PEAR::isError($res)) {
- return $res;
- }
- if (!empty($definition['foreign'])) {
- return $this->_createFKTriggers($table, array($name => $definition));
- }
- return MDB2_OK;
- }
-
- // }}}
- // {{{ dropConstraint()
-
- /**
- * drop existing constraint
- *
- * @param string $table name of table that should be used in method
- * @param string $name name of the constraint to be dropped
- * @param string $primary hint if the constraint is primary
- * @return mixed MDB2_OK on success, a MDB2 error on failure
- * @access public
- */
- function dropConstraint($table, $name, $primary = false)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- if ($primary || strtolower($name) == 'primary') {
- $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 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_quoted = $db->quoteIdentifier($table, true);
- foreach ($foreign_keys as $fkname => $fkdef) {
- if (empty($fkdef)) {
- continue;
- }
- //set actions to default if not set
- $fkdef['onupdate'] = empty($fkdef['onupdate']) ? $db->options['default_fk_action_onupdate'] : strtoupper($fkdef['onupdate']);
- $fkdef['ondelete'] = empty($fkdef['ondelete']) ? $db->options['default_fk_action_ondelete'] : strtoupper($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[] = $table_quoted .'.'.$field .' AS '.$field;
- }
- $restrict_action .= implode(',', $aliased_fields)
- .' FROM '.$table_quoted
- .' 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';
- }
- $conditions2 = array();
- for ($i=0; $i<count($referenced_fields); $i++) {
- $conditions2[] = 'NEW.'.$referenced_fields[$i] .' <> OLD.'.$referenced_fields[$i];
- }
- $restrict_action .= implode(' AND ', $conditions).') IS NOT NULL'
- .' AND (' .implode(' OR ', $conditions2) .')'
- .' THEN CALL %s_ON_TABLE_'.$table.'_VIOLATES_FOREIGN_KEY_CONSTRAINT();'
- .' END IF;';
-
- $cascade_action_update = 'UPDATE '.$table_quoted.' SET '.implode(', ', $new_values) .' WHERE '.implode(' AND ', $conditions). ';';
- $cascade_action_delete = 'DELETE FROM '.$table_quoted.' WHERE '.implode(' AND ', $conditions). ';';
- $setnull_action = 'UPDATE '.$table_quoted.' 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_quoted.' 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');
- } elseif ('RESTRICT' == $fkdef['onupdate']) {
- $sql_update = sprintf($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');
- } elseif ('RESTRICT' == $fkdef['ondelete']) {
- $sql_delete = sprintf($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()
-
- /**
- * list all constraints in a table
- *
- * @param string $table name of table that should be used in method
- * @return mixed array of constraint names on success, a MDB2 error on failure
- * @access public
- */
- function listTableConstraints($table)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $key_name = 'Key_name';
- $non_unique = 'Non_unique';
- if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
- if ($db->options['field_case'] == CASE_LOWER) {
- $key_name = strtolower($key_name);
- $non_unique = strtolower($non_unique);
- } else {
- $key_name = strtoupper($key_name);
- $non_unique = strtoupper($non_unique);
- }
- }
-
- $query = 'SHOW INDEX FROM ' . $db->quoteIdentifier($table, true);
- $indexes = $db->queryAll($query, null, MDB2_FETCHMODE_ASSOC);
- if (PEAR::isError($indexes)) {
- return $indexes;
- }
-
- $result = array();
- foreach ($indexes as $index_data) {
- if (!$index_data[$non_unique]) {
- if ($index_data[$key_name] !== 'PRIMARY') {
- $index = $this->_fixIndexName($index_data[$key_name]);
- } else {
- $index = 'PRIMARY';
- }
- if (!empty($index)) {
- $result[$index] = true;
- }
- }
- }
-
- //list FOREIGN KEY constraints...
- $query = 'SHOW CREATE TABLE '. $db->escape($table);
- $definition = $db->queryOne($query, 'text', 1);
- if (!PEAR::isError($definition) && !empty($definition)) {
- $pattern = '/\bCONSTRAINT\b\s+([^\s]+)\s+\bFOREIGN KEY\b/Uims';
- if (preg_match_all($pattern, str_replace('`', '', $definition), $matches) > 0) {
- foreach ($matches[1] as $constraint) {
- $result[$constraint] = true;
- }
- }
- }
-
- if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
- $result = array_change_key_case($result, $db->options['field_case']);
- }
- return array_keys($result);
- }
-
- // }}}
- // {{{ createSequence()
-
- /**
- * create sequence
- *
- * @param string $seq_name name of the sequence to be created
- * @param string $start start value of the sequence; default is 1
- * @param array $options An associative array of table options:
- * array(
- * 'comment' => 'Foo',
- * 'charset' => 'utf8',
- * 'collate' => 'utf8_unicode_ci',
- * 'type' => 'innodb',
- * );
- * @return mixed MDB2_OK on success, a MDB2 error on failure
- * @access public
- */
- function createSequence($seq_name, $start = 1, $options = array())
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $sequence_name = $db->quoteIdentifier($db->getSequenceName($seq_name), true);
- $seqcol_name = $db->quoteIdentifier($db->options['seqcol_name'], true);
-
- $options_strings = array();
-
- if (!empty($options['comment'])) {
- $options_strings['comment'] = 'COMMENT = '.$db->quote($options['comment'], 'text');
- }
-
- if (!empty($options['charset'])) {
- $options_strings['charset'] = 'DEFAULT CHARACTER SET '.$options['charset'];
- if (!empty($options['collate'])) {
- $options_strings['charset'].= ' COLLATE '.$options['collate'];
- }
- }
-
- $type = false;
- if (!empty($options['type'])) {
- $type = $options['type'];
- } elseif ($db->options['default_table_type']) {
- $type = $db->options['default_table_type'];
- }
- if ($type) {
- $options_strings[] = "ENGINE = $type";
- }
-
- $query = "CREATE TABLE $sequence_name ($seqcol_name INT NOT NULL AUTO_INCREMENT, PRIMARY KEY ($seqcol_name))";
- if (!empty($options_strings)) {
- $query .= ' '.implode(' ', $options_strings);
- }
- $res = $db->exec($query);
- if (PEAR::isError($res)) {
- return $res;
- }
-
- if ($start == 1) {
- return MDB2_OK;
- }
-
- $query = "INSERT INTO $sequence_name ($seqcol_name) VALUES (".($start-1).')';
- $res = $db->exec($query);
- if (!PEAR::isError($res)) {
- return MDB2_OK;
- }
-
- // Handle error
- $result = $db->exec("DROP TABLE $sequence_name");
- if (PEAR::isError($result)) {
- return $db->raiseError($result, null, null,
- 'could not drop inconsistent sequence table', __FUNCTION__);
- }
-
- return $db->raiseError($res, null, null,
- 'could not create sequence table', __FUNCTION__);
- }
-
- // }}}
- // {{{ dropSequence()
-
- /**
- * drop existing sequence
- *
- * @param string $seq_name name of the sequence to be dropped
- * @return mixed MDB2_OK on success, a MDB2 error on failure
- * @access public
- */
- function dropSequence($seq_name)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $sequence_name = $db->quoteIdentifier($db->getSequenceName($seq_name), true);
- return $db->exec("DROP TABLE $sequence_name");
- }
-
- // }}}
- // {{{ listSequences()
-
- /**
- * list all sequences in the current database
- *
- * @param string database, the current is default
- * @return mixed array of sequence names on success, a MDB2 error on failure
- * @access public
- */
- function listSequences($database = null)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $query = "SHOW TABLES";
- if (!is_null($database)) {
- $query .= " FROM $database";
- }
- $table_names = $db->queryCol($query);
- if (PEAR::isError($table_names)) {
- return $table_names;
- }
-
- $result = array();
- foreach ($table_names as $table_name) {
- if ($sqn = $this->_fixSequenceName($table_name, true)) {
- $result[] = $sqn;
- }
- }
- if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
- $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
- }
- return $result;
- }
-
- // }}}
-}
+<?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 1.113 2008/11/23 20:30:29 quipo Exp $
+//
+
+require_once 'MDB2/Driver/Manager/Common.php';
+
+/**
+ * MDB2 MySQL driver for the management modules
+ *
+ * @package MDB2
+ * @category Database
+ * @author Lukas Smith <smith@pooteeweet.org>
+ */
+class MDB2_Driver_Manager_mysql extends MDB2_Driver_Manager_Common
+{
+
+ // }}}
+ // {{{ createDatabase()
+
+ /**
+ * create a new database
+ *
+ * @param string $name name of the database that should be created
+ * @param array $options array with charset, collation info
+ *
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function createDatabase($name, $options = array())
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $name = $db->quoteIdentifier($name, true);
+ $query = 'CREATE DATABASE ' . $name;
+ if (!empty($options['charset'])) {
+ $query .= ' DEFAULT CHARACTER SET ' . $db->quote($options['charset'], 'text');
+ }
+ if (!empty($options['collation'])) {
+ $query .= ' COLLATE ' . $db->quote($options['collation'], '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 $options array with charset, collation info
+ *
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function alterDatabase($name, $options = array())
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $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);
+ }
+
+ // }}}
+ // {{{ 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'];
+ }
+ return $query;
+ }
+
+ // }}}
+ // {{{ createTable()
+
+ /**
+ * create a new table
+ *
+ * @param string $name Name of the database that should be created
+ * @param array $fields Associative array that contains the definition of each field of the new table
+ * The indexes of the array entries are the names of the fields of the table an
+ * the array entry values are associative arrays like those that are meant to be
+ * passed with the field definitions to get[Type]Declaration() functions.
+ * array(
+ * 'id' => array(
+ * 'type' => 'integer',
+ * 'unsigned' => 1
+ * 'notnull' => 1
+ * 'default' => 0
+ * ),
+ * 'name' => array(
+ * 'type' => 'text',
+ * 'length' => 12
+ * ),
+ * 'password' => array(
+ * 'type' => 'text',
+ * 'length' => 12
+ * )
+ * );
+ * @param array $options An associative array of table options:
+ * array(
+ * 'comment' => 'Foo',
+ * 'charset' => 'utf8',
+ * 'collate' => 'utf8_unicode_ci',
+ * 'type' => 'innodb',
+ * );
+ *
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function createTable($name, $fields, $options = array())
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ // 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'])) {
+ $options_strings['comment'] = 'COMMENT = '.$db->quote($options['comment'], 'text');
+ }
+
+ if (!empty($options['charset'])) {
+ $options_strings['charset'] = 'DEFAULT CHARACTER SET '.$options['charset'];
+ if (!empty($options['collate'])) {
+ $options_strings['charset'].= ' COLLATE '.$options['collate'];
+ }
+ }
+
+ $type = false;
+ if (!empty($options['type'])) {
+ $type = $options['type'];
+ } elseif ($db->options['default_table_type']) {
+ $type = $db->options['default_table_type'];
+ }
+ if ($type) {
+ $options_strings[] = "ENGINE = $type";
+ }
+
+ if (!empty($options_strings)) {
+ $query .= ' '.implode(' ', $options_strings);
+ }
+ $result = $db->exec($query);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ return MDB2_OK;
+ }
+
+ // }}}
+ // {{{ 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()
+
+ /**
+ * alter an existing table
+ *
+ * @param string $name name of the table that is intended to be changed.
+ * @param array $changes associative array that contains the details of each type
+ * of change that is intended to be performed. The types of
+ * changes that are currently supported are defined as follows:
+ *
+ * name
+ *
+ * New name for the table.
+ *
+ * add
+ *
+ * Associative array with the names of fields to be added as
+ * indexes of the array. The value of each entry of the array
+ * should be set to another associative array with the properties
+ * of the fields to be added. The properties of the fields should
+ * be the same as defined by the MDB2 parser.
+ *
+ *
+ * remove
+ *
+ * Associative array with the names of fields to be removed as indexes
+ * of the array. Currently the values assigned to each entry are ignored.
+ * An empty array should be used for future compatibility.
+ *
+ * rename
+ *
+ * Associative array with the names of fields to be renamed as indexes
+ * of the array. The value of each entry of the array should be set to
+ * another associative array with the entry named name with the new
+ * field name and the entry named Declaration that is expected to contain
+ * the portion of the field declaration already in DBMS specific SQL code
+ * as it is used in the CREATE TABLE statement.
+ *
+ * change
+ *
+ * Associative array with the names of the fields to be changed as indexes
+ * of the array. Keep in mind that if it is intended to change either the
+ * name of a field and any other properties, the change array entries
+ * should have the new names of the fields as array indexes.
+ *
+ * The value of each entry of the array should be set to another associative
+ * array with the properties of the fields to that are meant to be changed as
+ * array entries. These entries should be assigned to the new values of the
+ * respective properties. The properties of the fields should be the same
+ * as defined by the MDB2 parser.
+ *
+ * Example
+ * array(
+ * 'name' => 'userlist',
+ * 'add' => array(
+ * 'quota' => array(
+ * 'type' => 'integer',
+ * 'unsigned' => 1
+ * )
+ * ),
+ * 'remove' => array(
+ * 'file_limit' => array(),
+ * 'time_limit' => array()
+ * ),
+ * 'change' => array(
+ * 'name' => array(
+ * 'length' => '20',
+ * 'definition' => array(
+ * 'type' => 'text',
+ * 'length' => 20,
+ * ),
+ * )
+ * ),
+ * 'rename' => array(
+ * 'sex' => array(
+ * 'name' => 'gender',
+ * 'definition' => array(
+ * 'type' => 'text',
+ * 'length' => 1,
+ * 'default' => 'M',
+ * ),
+ * )
+ * )
+ * )
+ *
+ * @param boolean $check indicates whether the function should just check if the DBMS driver
+ * can perform the requested table alterations if the value is true or
+ * actually perform them otherwise.
+ * @access public
+ *
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ */
+ function alterTable($name, $changes, $check)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ foreach ($changes as $change_name => $change) {
+ switch ($change_name) {
+ case 'add':
+ case 'remove':
+ case 'change':
+ case 'rename':
+ case 'name':
+ break;
+ default:
+ return $db->raiseError(MDB2_ERROR_CANNOT_ALTER, null, null,
+ 'change type "'.$change_name.'" not yet supported', __FUNCTION__);
+ }
+ }
+
+ if ($check) {
+ return MDB2_OK;
+ }
+
+ $query = '';
+ if (!empty($changes['name'])) {
+ $change_name = $db->quoteIdentifier($changes['name'], true);
+ $query .= 'RENAME TO ' . $change_name;
+ }
+
+ if (!empty($changes['add']) && is_array($changes['add'])) {
+ foreach ($changes['add'] as $field_name => $field) {
+ if ($query) {
+ $query.= ', ';
+ }
+ $query.= 'ADD ' . $db->getDeclaration($field['type'], $field_name, $field);
+ }
+ }
+
+ if (!empty($changes['remove']) && is_array($changes['remove'])) {
+ foreach ($changes['remove'] as $field_name => $field) {
+ if ($query) {
+ $query.= ', ';
+ }
+ $field_name = $db->quoteIdentifier($field_name, true);
+ $query.= 'DROP ' . $field_name;
+ }
+ }
+
+ $rename = array();
+ if (!empty($changes['rename']) && is_array($changes['rename'])) {
+ foreach ($changes['rename'] as $field_name => $field) {
+ $rename[$field['name']] = $field_name;
+ }
+ }
+
+ if (!empty($changes['change']) && is_array($changes['change'])) {
+ foreach ($changes['change'] as $field_name => $field) {
+ if ($query) {
+ $query.= ', ';
+ }
+ if (isset($rename[$field_name])) {
+ $old_field_name = $rename[$field_name];
+ unset($rename[$field_name]);
+ } else {
+ $old_field_name = $field_name;
+ }
+ $old_field_name = $db->quoteIdentifier($old_field_name, true);
+ $query.= "CHANGE $old_field_name " . $db->getDeclaration($field['definition']['type'], $field_name, $field['definition']);
+ }
+ }
+
+ if (!empty($rename) && is_array($rename)) {
+ foreach ($rename as $rename_name => $renamed_field) {
+ if ($query) {
+ $query.= ', ';
+ }
+ $field = $changes['rename'][$renamed_field];
+ $renamed_field = $db->quoteIdentifier($renamed_field, true);
+ $query.= 'CHANGE ' . $renamed_field . ' ' . $db->getDeclaration($field['definition']['type'], $field['name'], $field['definition']);
+ }
+ }
+
+ if (!$query) {
+ return MDB2_OK;
+ }
+
+ $name = $db->quoteIdentifier($name, true);
+ return $db->exec("ALTER TABLE $name $query");
+ }
+
+ // }}}
+ // {{{ listDatabases()
+
+ /**
+ * list all databases
+ *
+ * @return mixed array of database names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listDatabases()
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $result = $db->queryCol('SHOW DATABASES');
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
+ }
+ return $result;
+ }
+
+ // }}}
+ // {{{ listUsers()
+
+ /**
+ * list all users
+ *
+ * @return mixed array of user names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listUsers()
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ return $db->queryCol('SELECT DISTINCT USER FROM mysql.USER');
+ }
+
+ // }}}
+ // {{{ listFunctions()
+
+ /**
+ * list all functions in the current database
+ *
+ * @return mixed array of function names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listFunctions()
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $query = "SELECT name FROM mysql.proc";
+ /*
+ SELECT ROUTINE_NAME
+ FROM INFORMATION_SCHEMA.ROUTINES
+ WHERE ROUTINE_TYPE = 'FUNCTION'
+ */
+ $result = $db->queryCol($query);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
+ }
+ return $result;
+ }
+
+ // }}}
+ // {{{ listTableTriggers()
+
+ /**
+ * list all triggers in the database that reference a given table
+ *
+ * @param string table for which all referenced triggers should be found
+ * @return mixed array of trigger names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listTableTriggers($table = null)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $query = 'SHOW TRIGGERS';
+ if (!is_null($table)) {
+ $table = $db->quote($table, 'text');
+ $query .= " LIKE $table";
+ }
+ $result = $db->queryCol($query);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
+ }
+ return $result;
+ }
+
+ // }}}
+ // {{{ listTables()
+
+ /**
+ * list all tables in the current database
+ *
+ * @param string database, the current is default
+ * @return mixed array of table names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listTables($database = null)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $query = "SHOW /*!50002 FULL*/ TABLES";
+ if (!is_null($database)) {
+ $query .= " FROM $database";
+ }
+ $query.= "/*!50002 WHERE Table_type = 'BASE TABLE'*/";
+
+ $table_names = $db->queryAll($query, null, MDB2_FETCHMODE_ORDERED);
+ if (PEAR::isError($table_names)) {
+ return $table_names;
+ }
+
+ $result = array();
+ foreach ($table_names as $table) {
+ if (!$this->_fixSequenceName($table[0], true)) {
+ $result[] = $table[0];
+ }
+ }
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
+ }
+ return $result;
+ }
+
+ // }}}
+ // {{{ listViews()
+
+ /**
+ * list all views in the current database
+ *
+ * @param string database, the current is default
+ * @return mixed array of view names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listViews($database = null)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $query = 'SHOW FULL TABLES';
+ if (!is_null($database)) {
+ $query.= " FROM $database";
+ }
+ $query.= " WHERE Table_type = 'VIEW'";
+
+ $result = $db->queryCol($query);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
+ }
+ return $result;
+ }
+
+ // }}}
+ // {{{ listTableFields()
+
+ /**
+ * list all fields in a table in the current database
+ *
+ * @param string $table name of table that should be used in method
+ * @return mixed array of field names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listTableFields($table)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $table = $db->quoteIdentifier($table, true);
+ $result = $db->queryCol("SHOW COLUMNS FROM $table");
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
+ }
+ return $result;
+ }
+
+ // }}}
+ // {{{ createIndex()
+
+ /**
+ * Get the stucture of a field into an array
+ *
+ * @author Leoncx
+ * @param string $table name of the table on which the index is to be created
+ * @param string $name name of the index to be created
+ * @param array $definition associative array that defines properties of the index to be created.
+ * Currently, only one property named FIELDS is supported. This property
+ * is also an associative with the names of the index fields as array
+ * indexes. Each entry of this array is set to another type of associative
+ * array that specifies properties of the index that are specific to
+ * each field.
+ *
+ * Currently, only the sorting property is supported. It should be used
+ * to define the sorting direction of the index. It may be set to either
+ * ascending or descending.
+ *
+ * Not all DBMS support index sorting direction configuration. The DBMS
+ * drivers of those that do not support it ignore this property. Use the
+ * function supports() to determine whether the DBMS driver can manage indexes.
+ *
+ * Example
+ * array(
+ * 'fields' => array(
+ * 'user_name' => array(
+ * 'sorting' => 'ascending'
+ * 'length' => 10
+ * ),
+ * 'last_login' => array()
+ * )
+ * )
+ *
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function createIndex($table, $name, $definition)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $table = $db->quoteIdentifier($table, true);
+ $name = $db->quoteIdentifier($db->getIndexName($name), true);
+ $query = "CREATE INDEX $name ON $table";
+ $fields = array();
+ foreach ($definition['fields'] as $field => $fieldinfo) {
+ if (!empty($fieldinfo['length'])) {
+ $fields[] = $db->quoteIdentifier($field, true) . '(' . $fieldinfo['length'] . ')';
+ } else {
+ $fields[] = $db->quoteIdentifier($field, true);
+ }
+ }
+ $query .= ' ('. implode(', ', $fields) . ')';
+ return $db->exec($query);
+ }
+
+ // }}}
+ // {{{ dropIndex()
+
+ /**
+ * drop existing index
+ *
+ * @param string $table name of table that should be used in method
+ * @param string $name name of the index to be dropped
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function dropIndex($table, $name)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $table = $db->quoteIdentifier($table, true);
+ $name = $db->quoteIdentifier($db->getIndexName($name), true);
+ return $db->exec("DROP INDEX $name ON $table");
+ }
+
+ // }}}
+ // {{{ listTableIndexes()
+
+ /**
+ * list all indexes in a table
+ *
+ * @param string $table name of table that should be used in method
+ * @return mixed array of index names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listTableIndexes($table)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $key_name = 'Key_name';
+ $non_unique = 'Non_unique';
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ if ($db->options['field_case'] == CASE_LOWER) {
+ $key_name = strtolower($key_name);
+ $non_unique = strtolower($non_unique);
+ } else {
+ $key_name = strtoupper($key_name);
+ $non_unique = strtoupper($non_unique);
+ }
+ }
+
+ $table = $db->quoteIdentifier($table, true);
+ $query = "SHOW INDEX FROM $table";
+ $indexes = $db->queryAll($query, null, MDB2_FETCHMODE_ASSOC);
+ if (PEAR::isError($indexes)) {
+ return $indexes;
+ }
+
+ $result = array();
+ foreach ($indexes as $index_data) {
+ if ($index_data[$non_unique] && ($index = $this->_fixIndexName($index_data[$key_name]))) {
+ $result[$index] = true;
+ }
+ }
+
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $result = array_change_key_case($result, $db->options['field_case']);
+ }
+ return array_keys($result);
+ }
+
+ // }}}
+ // {{{ createConstraint()
+
+ /**
+ * create a constraint on a table
+ *
+ * @param string $table name of the table on which the constraint is to be created
+ * @param string $name name of the constraint to be created
+ * @param array $definition associative array that defines properties of the constraint to be created.
+ * Currently, only one property named FIELDS is supported. This property
+ * is also an associative with the names of the constraint fields as array
+ * constraints. Each entry of this array is set to another type of associative
+ * array that specifies properties of the constraint that are specific to
+ * each field.
+ *
+ * Example
+ * array(
+ * 'fields' => array(
+ * 'user_name' => array(),
+ * 'last_login' => array()
+ * )
+ * )
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function createConstraint($table, $name, $definition)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $type = '';
+ $idx_name = $db->quoteIdentifier($db->getIndexName($name), true);
+ if (!empty($definition['primary'])) {
+ $type = 'PRIMARY';
+ $idx_name = 'KEY';
+ } elseif (!empty($definition['unique'])) {
+ $type = 'UNIQUE';
+ } elseif (!empty($definition['foreign'])) {
+ $type = 'CONSTRAINT';
+ }
+ if (empty($type)) {
+ return $db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
+ 'invalid definition, could not create constraint', __FUNCTION__);
+ }
+
+ $table_quoted = $db->quoteIdentifier($table, true);
+ $query = "ALTER TABLE $table_quoted ADD $type $idx_name";
+ if (!empty($definition['foreign'])) {
+ $query .= ' FOREIGN KEY';
+ }
+ $fields = array();
+ foreach ($definition['fields'] as $field => $fieldinfo) {
+ $quoted = $db->quoteIdentifier($field, true);
+ if (!empty($fieldinfo['length'])) {
+ $quoted .= '(' . $fieldinfo['length'] . ')';
+ }
+ $fields[] = $quoted;
+ }
+ $query .= ' ('. implode(', ', $fields) . ')';
+ if (!empty($definition['foreign'])) {
+ $query.= ' REFERENCES ' . $db->quoteIdentifier($definition['references']['table'], true);
+ $referenced_fields = array();
+ foreach (array_keys($definition['references']['fields']) as $field) {
+ $referenced_fields[] = $db->quoteIdentifier($field, true);
+ }
+ $query .= ' ('. implode(', ', $referenced_fields) . ')';
+ $query .= $this->_getAdvancedFKOptions($definition);
+
+ // add index on FK column(s) or we can't add a FK constraint
+ // @see http://forums.mysql.com/read.php?22,19755,226009
+ $result = $this->createIndex($table, $name.'_fkidx', $definition);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ }
+ $res = $db->exec($query);
+ if (PEAR::isError($res)) {
+ return $res;
+ }
+ if (!empty($definition['foreign'])) {
+ return $this->_createFKTriggers($table, array($name => $definition));
+ }
+ return MDB2_OK;
+ }
+
+ // }}}
+ // {{{ dropConstraint()
+
+ /**
+ * drop existing constraint
+ *
+ * @param string $table name of table that should be used in method
+ * @param string $name name of the constraint to be dropped
+ * @param string $primary hint if the constraint is primary
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function dropConstraint($table, $name, $primary = false)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ if ($primary || strtolower($name) == 'primary') {
+ $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 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_quoted = $db->quoteIdentifier($table, true);
+ foreach ($foreign_keys as $fkname => $fkdef) {
+ if (empty($fkdef)) {
+ continue;
+ }
+ //set actions to default if not set
+ $fkdef['onupdate'] = empty($fkdef['onupdate']) ? $db->options['default_fk_action_onupdate'] : strtoupper($fkdef['onupdate']);
+ $fkdef['ondelete'] = empty($fkdef['ondelete']) ? $db->options['default_fk_action_ondelete'] : strtoupper($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[] = $table_quoted .'.'.$field .' AS '.$field;
+ }
+ $restrict_action .= implode(',', $aliased_fields)
+ .' FROM '.$table_quoted
+ .' 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';
+ }
+ $conditions2 = array();
+ for ($i=0; $i<count($referenced_fields); $i++) {
+ $conditions2[] = 'NEW.'.$referenced_fields[$i] .' <> OLD.'.$referenced_fields[$i];
+ }
+ $restrict_action .= implode(' AND ', $conditions).') IS NOT NULL'
+ .' AND (' .implode(' OR ', $conditions2) .')'
+ .' THEN CALL %s_ON_TABLE_'.$table.'_VIOLATES_FOREIGN_KEY_CONSTRAINT();'
+ .' END IF;';
+
+ $cascade_action_update = 'UPDATE '.$table_quoted.' SET '.implode(', ', $new_values) .' WHERE '.implode(' AND ', $conditions). ';';
+ $cascade_action_delete = 'DELETE FROM '.$table_quoted.' WHERE '.implode(' AND ', $conditions). ';';
+ $setnull_action = 'UPDATE '.$table_quoted.' 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_quoted.' 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');
+ } elseif ('RESTRICT' == $fkdef['onupdate']) {
+ $sql_update = sprintf($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');
+ } elseif ('RESTRICT' == $fkdef['ondelete']) {
+ $sql_delete = sprintf($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()
+
+ /**
+ * list all constraints in a table
+ *
+ * @param string $table name of table that should be used in method
+ * @return mixed array of constraint names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listTableConstraints($table)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $key_name = 'Key_name';
+ $non_unique = 'Non_unique';
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ if ($db->options['field_case'] == CASE_LOWER) {
+ $key_name = strtolower($key_name);
+ $non_unique = strtolower($non_unique);
+ } else {
+ $key_name = strtoupper($key_name);
+ $non_unique = strtoupper($non_unique);
+ }
+ }
+
+ $query = 'SHOW INDEX FROM ' . $db->quoteIdentifier($table, true);
+ $indexes = $db->queryAll($query, null, MDB2_FETCHMODE_ASSOC);
+ if (PEAR::isError($indexes)) {
+ return $indexes;
+ }
+
+ $result = array();
+ foreach ($indexes as $index_data) {
+ if (!$index_data[$non_unique]) {
+ if ($index_data[$key_name] !== 'PRIMARY') {
+ $index = $this->_fixIndexName($index_data[$key_name]);
+ } else {
+ $index = 'PRIMARY';
+ }
+ if (!empty($index)) {
+ $result[$index] = true;
+ }
+ }
+ }
+
+ //list FOREIGN KEY constraints...
+ $query = 'SHOW CREATE TABLE '. $db->escape($table);
+ $definition = $db->queryOne($query, 'text', 1);
+ if (!PEAR::isError($definition) && !empty($definition)) {
+ $pattern = '/\bCONSTRAINT\b\s+([^\s]+)\s+\bFOREIGN KEY\b/Uims';
+ if (preg_match_all($pattern, str_replace('`', '', $definition), $matches) > 0) {
+ foreach ($matches[1] as $constraint) {
+ $result[$constraint] = true;
+ }
+ }
+ }
+
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $result = array_change_key_case($result, $db->options['field_case']);
+ }
+ return array_keys($result);
+ }
+
+ // }}}
+ // {{{ createSequence()
+
+ /**
+ * create sequence
+ *
+ * @param string $seq_name name of the sequence to be created
+ * @param string $start start value of the sequence; default is 1
+ * @param array $options An associative array of table options:
+ * array(
+ * 'comment' => 'Foo',
+ * 'charset' => 'utf8',
+ * 'collate' => 'utf8_unicode_ci',
+ * 'type' => 'innodb',
+ * );
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function createSequence($seq_name, $start = 1, $options = array())
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $sequence_name = $db->quoteIdentifier($db->getSequenceName($seq_name), true);
+ $seqcol_name = $db->quoteIdentifier($db->options['seqcol_name'], true);
+
+ $options_strings = array();
+
+ if (!empty($options['comment'])) {
+ $options_strings['comment'] = 'COMMENT = '.$db->quote($options['comment'], 'text');
+ }
+
+ if (!empty($options['charset'])) {
+ $options_strings['charset'] = 'DEFAULT CHARACTER SET '.$options['charset'];
+ if (!empty($options['collate'])) {
+ $options_strings['charset'].= ' COLLATE '.$options['collate'];
+ }
+ }
+
+ $type = false;
+ if (!empty($options['type'])) {
+ $type = $options['type'];
+ } elseif ($db->options['default_table_type']) {
+ $type = $db->options['default_table_type'];
+ }
+ if ($type) {
+ $options_strings[] = "ENGINE = $type";
+ }
+
+ $query = "CREATE TABLE $sequence_name ($seqcol_name INT NOT NULL AUTO_INCREMENT, PRIMARY KEY ($seqcol_name))";
+ if (!empty($options_strings)) {
+ $query .= ' '.implode(' ', $options_strings);
+ }
+ $res = $db->exec($query);
+ if (PEAR::isError($res)) {
+ return $res;
+ }
+
+ if ($start == 1) {
+ return MDB2_OK;
+ }
+
+ $query = "INSERT INTO $sequence_name ($seqcol_name) VALUES (".($start-1).')';
+ $res = $db->exec($query);
+ if (!PEAR::isError($res)) {
+ return MDB2_OK;
+ }
+
+ // Handle error
+ $result = $db->exec("DROP TABLE $sequence_name");
+ if (PEAR::isError($result)) {
+ return $db->raiseError($result, null, null,
+ 'could not drop inconsistent sequence table', __FUNCTION__);
+ }
+
+ return $db->raiseError($res, null, null,
+ 'could not create sequence table', __FUNCTION__);
+ }
+
+ // }}}
+ // {{{ dropSequence()
+
+ /**
+ * drop existing sequence
+ *
+ * @param string $seq_name name of the sequence to be dropped
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function dropSequence($seq_name)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $sequence_name = $db->quoteIdentifier($db->getSequenceName($seq_name), true);
+ return $db->exec("DROP TABLE $sequence_name");
+ }
+
+ // }}}
+ // {{{ listSequences()
+
+ /**
+ * list all sequences in the current database
+ *
+ * @param string database, the current is default
+ * @return mixed array of sequence names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listSequences($database = null)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $query = "SHOW TABLES";
+ if (!is_null($database)) {
+ $query .= " FROM $database";
+ }
+ $table_names = $db->queryCol($query);
+ if (PEAR::isError($table_names)) {
+ return $table_names;
+ }
+
+ $result = array();
+ foreach ($table_names as $table_name) {
+ if ($sqn = $this->_fixSequenceName($table_name, true)) {
+ $result[] = $sqn;
+ }
+ }
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
+ }
+ return $result;
+ }
+
+ // }}}
+}
?>
\ No newline at end of file
diff --git a/inc/MDB2/Driver/Reverse/Common.php b/inc/MDB2/Driver/Reverse/Common.php
index 7ce9c74426..4a411fea6d 100755
--- a/inc/MDB2/Driver/Reverse/Common.php
+++ b/inc/MDB2/Driver/Reverse/Common.php
@@ -1,517 +1,517 @@
-<?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 1.43 2009/01/14 15:01:21 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
- *
- * @param string $table [schema and] table name
- *
- * @return array array(schema, table)
- * @access private
- */
- function splitTableSchema($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;
- }
-}
+<?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 1.43 2009/01/14 15:01:21 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
+ *
+ * @param string $table [schema and] table name
+ *
+ * @return array array(schema, table)
+ * @access private
+ */
+ function splitTableSchema($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/inc/MDB2/Driver/Reverse/pgsql.php b/inc/MDB2/Driver/Reverse/pgsql.php
index 1fff29dc4b..e8e217cecf 100755
--- a/inc/MDB2/Driver/Reverse/pgsql.php
+++ b/inc/MDB2/Driver/Reverse/pgsql.php
@@ -1,573 +1,573 @@
-<?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: Paul Cooper <pgc@ucecom.com> |
-// | Lorenzo Alberton <l.alberton@quipo.it> |
-// +----------------------------------------------------------------------+
-//
-// $Id: pgsql.php,v 1.75 2008/08/22 16:36:20 quipo Exp $
-
-require_once 'MDB2/Driver/Reverse/Common.php';
-
-/**
- * MDB2 PostGreSQL driver for the schema reverse engineering module
- *
- * @package MDB2
- * @category Database
- * @author Paul Cooper <pgc@ucecom.com>
- * @author Lorenzo Alberton <l.alberton@quipo.it>
- */
-class MDB2_Driver_Reverse_pgsql extends MDB2_Driver_Reverse_Common
-{
- // {{{ getTableFieldDefinition()
-
- /**
- * Get the structure of a field into an array
- *
- * @param string $table_name name of table that should be used in method
- * @param string $field_name name of field that should be used in method
- * @return mixed data array on success, a MDB2 error on failure
- * @access public
- */
- function getTableFieldDefinition($table_name, $field_name)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $result = $db->loadModule('Datatype', null, true);
- if (PEAR::isError($result)) {
- return $result;
- }
-
- list($schema, $table) = $this->splitTableSchema($table_name);
-
- $query = "SELECT a.attname AS name,
- t.typname AS type,
- CASE a.attlen
- WHEN -1 THEN
- CASE t.typname
- WHEN 'numeric' THEN (a.atttypmod / 65536)
- WHEN 'decimal' THEN (a.atttypmod / 65536)
- WHEN 'money' THEN (a.atttypmod / 65536)
- ELSE CASE a.atttypmod
- WHEN -1 THEN NULL
- ELSE a.atttypmod - 4
- END
- END
- ELSE a.attlen
- END AS length,
- CASE t.typname
- WHEN 'numeric' THEN (a.atttypmod % 65536) - 4
- WHEN 'decimal' THEN (a.atttypmod % 65536) - 4
- WHEN 'money' THEN (a.atttypmod % 65536) - 4
- ELSE 0
- END AS scale,
- a.attnotnull,
- a.atttypmod,
- a.atthasdef,
- (SELECT substring(pg_get_expr(d.adbin, d.adrelid) for 128)
- FROM pg_attrdef d
- WHERE d.adrelid = a.attrelid
- AND d.adnum = a.attnum
- AND a.atthasdef
- ) as default
- FROM pg_attribute a,
- pg_class c,
- pg_type t
- WHERE c.relname = ".$db->quote($table, 'text')."
- AND a.atttypid = t.oid
- AND c.oid = a.attrelid
- AND NOT a.attisdropped
- AND a.attnum > 0
- AND a.attname = ".$db->quote($field_name, 'text')."
- ORDER BY a.attnum";
- $column = $db->queryRow($query, null, MDB2_FETCHMODE_ASSOC);
- if (PEAR::isError($column)) {
- return $column;
- }
-
- if (empty($column)) {
- return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
- 'it was not specified an existing table column', __FUNCTION__);
- }
-
- $column = array_change_key_case($column, CASE_LOWER);
- $mapped_datatype = $db->datatype->mapNativeDatatype($column);
- if (PEAR::isError($mapped_datatype)) {
- return $mapped_datatype;
- }
- list($types, $length, $unsigned, $fixed) = $mapped_datatype;
- $notnull = false;
- if (!empty($column['attnotnull']) && $column['attnotnull'] == 't') {
- $notnull = true;
- }
- $default = null;
- if ($column['atthasdef'] === 't'
- && !preg_match("/nextval\('([^']+)'/", $column['default'])
- ) {
- $pattern = '/^\'(.*)\'::[\w ]+$/i';
- $default = $column['default'];#substr($column['adsrc'], 1, -1);
- if (is_null($default) && $notnull) {
- $default = '';
- } elseif (!empty($default) && preg_match($pattern, $default)) {
- //remove data type cast
- $default = preg_replace ($pattern, '\\1', $default);
- }
- }
- $autoincrement = false;
- if (preg_match("/nextval\('([^']+)'/", $column['default'], $nextvals)) {
- $autoincrement = true;
- }
- $definition[0] = array('notnull' => $notnull, 'nativetype' => $column['type']);
- if (!is_null($length)) {
- $definition[0]['length'] = $length;
- }
- if (!is_null($unsigned)) {
- $definition[0]['unsigned'] = $unsigned;
- }
- if (!is_null($fixed)) {
- $definition[0]['fixed'] = $fixed;
- }
- if ($default !== false) {
- $definition[0]['default'] = $default;
- }
- if ($autoincrement !== false) {
- $definition[0]['autoincrement'] = $autoincrement;
- }
- foreach ($types as $key => $type) {
- $definition[$key] = $definition[0];
- if ($type == 'clob' || $type == 'blob') {
- unset($definition[$key]['default']);
- }
- $definition[$key]['type'] = $type;
- $definition[$key]['mdb2type'] = $type;
- }
- return $definition;
- }
-
- // }}}
- // {{{ getTableIndexDefinition()
-
- /**
- * Get the structure of an index into an array
- *
- * @param string $table_name name of table that should be used in method
- * @param string $index_name name of index that should be used in method
- * @return mixed data array on success, a MDB2 error on failure
- * @access public
- */
- function getTableIndexDefinition($table_name, $index_name)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- list($schema, $table) = $this->splitTableSchema($table_name);
-
- $query = 'SELECT relname, indkey FROM pg_index, pg_class';
- $query.= ' WHERE pg_class.oid = pg_index.indexrelid';
- $query.= " AND indisunique != 't' AND indisprimary != 't'";
- $query.= ' AND pg_class.relname = %s';
- $index_name_mdb2 = $db->getIndexName($index_name);
- $row = $db->queryRow(sprintf($query, $db->quote($index_name_mdb2, 'text')), null, MDB2_FETCHMODE_ASSOC);
- if (PEAR::isError($row) || empty($row)) {
- // fallback to the given $index_name, without transformation
- $row = $db->queryRow(sprintf($query, $db->quote($index_name, 'text')), null, MDB2_FETCHMODE_ASSOC);
- }
- if (PEAR::isError($row)) {
- return $row;
- }
-
- if (empty($row)) {
- return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
- 'it was not specified an existing table index', __FUNCTION__);
- }
-
- $row = array_change_key_case($row, CASE_LOWER);
-
- $db->loadModule('Manager', null, true);
- $columns = $db->manager->listTableFields($table_name);
-
- $definition = array();
-
- $index_column_numbers = explode(' ', $row['indkey']);
-
- $colpos = 1;
- foreach ($index_column_numbers as $number) {
- $definition['fields'][$columns[($number - 1)]] = array(
- 'position' => $colpos++,
- 'sorting' => 'ascending',
- );
- }
- return $definition;
- }
-
- // }}}
- // {{{ getTableConstraintDefinition()
-
- /**
- * Get the structure of a constraint into an array
- *
- * @param string $table_name name of table that should be used in method
- * @param string $constraint_name name of constraint that should be used in method
- * @return mixed data array on success, a MDB2 error on failure
- * @access public
- */
- function getTableConstraintDefinition($table_name, $constraint_name)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- list($schema, $table) = $this->splitTableSchema($table_name);
-
- $query = "SELECT c.oid,
- c.conname AS constraint_name,
- CASE WHEN c.contype = 'c' THEN 1 ELSE 0 END AS \"check\",
- CASE WHEN c.contype = 'f' THEN 1 ELSE 0 END AS \"foreign\",
- CASE WHEN c.contype = 'p' THEN 1 ELSE 0 END AS \"primary\",
- CASE WHEN c.contype = 'u' THEN 1 ELSE 0 END AS \"unique\",
- CASE WHEN c.condeferrable = 'f' THEN 0 ELSE 1 END AS deferrable,
- CASE WHEN c.condeferred = 'f' THEN 0 ELSE 1 END AS initiallydeferred,
- --array_to_string(c.conkey, ' ') AS constraint_key,
- t.relname AS table_name,
- t2.relname AS references_table,
- CASE confupdtype
- WHEN 'a' THEN 'NO ACTION'
- WHEN 'r' THEN 'RESTRICT'
- WHEN 'c' THEN 'CASCADE'
- WHEN 'n' THEN 'SET NULL'
- WHEN 'd' THEN 'SET DEFAULT'
- END AS onupdate,
- CASE confdeltype
- WHEN 'a' THEN 'NO ACTION'
- WHEN 'r' THEN 'RESTRICT'
- WHEN 'c' THEN 'CASCADE'
- WHEN 'n' THEN 'SET NULL'
- WHEN 'd' THEN 'SET DEFAULT'
- END AS ondelete,
- CASE confmatchtype
- WHEN 'u' THEN 'UNSPECIFIED'
- WHEN 'f' THEN 'FULL'
- WHEN 'p' THEN 'PARTIAL'
- END AS match,
- --array_to_string(c.confkey, ' ') AS fk_constraint_key,
- consrc
- FROM pg_constraint c
- LEFT JOIN pg_class t ON c.conrelid = t.oid
- LEFT JOIN pg_class t2 ON c.confrelid = t2.oid
- WHERE c.conname = %s
- AND t.relname = " . $db->quote($table, 'text');
- $constraint_name_mdb2 = $db->getIndexName($constraint_name);
- $row = $db->queryRow(sprintf($query, $db->quote($constraint_name_mdb2, 'text')), null, MDB2_FETCHMODE_ASSOC);
- if (PEAR::isError($row) || empty($row)) {
- // fallback to the given $index_name, without transformation
- $constraint_name_mdb2 = $constraint_name;
- $row = $db->queryRow(sprintf($query, $db->quote($constraint_name_mdb2, 'text')), null, MDB2_FETCHMODE_ASSOC);
- }
- if (PEAR::isError($row)) {
- return $row;
- }
- $uniqueIndex = false;
- if (empty($row)) {
- // We might be looking for a UNIQUE index that was not created
- // as a constraint but should be treated as such.
- $query = 'SELECT relname AS constraint_name,
- indkey,
- 0 AS "check",
- 0 AS "foreign",
- 0 AS "primary",
- 1 AS "unique",
- 0 AS deferrable,
- 0 AS initiallydeferred,
- NULL AS references_table,
- NULL AS onupdate,
- NULL AS ondelete,
- NULL AS match
- FROM pg_index, pg_class
- WHERE pg_class.oid = pg_index.indexrelid
- AND indisunique = \'t\'
- AND pg_class.relname = %s';
- $constraint_name_mdb2 = $db->getIndexName($constraint_name);
- $row = $db->queryRow(sprintf($query, $db->quote($constraint_name_mdb2, 'text')), null, MDB2_FETCHMODE_ASSOC);
- if (PEAR::isError($row) || empty($row)) {
- // fallback to the given $index_name, without transformation
- $constraint_name_mdb2 = $constraint_name;
- $row = $db->queryRow(sprintf($query, $db->quote($constraint_name_mdb2, 'text')), null, MDB2_FETCHMODE_ASSOC);
- }
- if (PEAR::isError($row)) {
- return $row;
- }
- if (empty($row)) {
- return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
- $constraint_name . ' is not an existing table constraint', __FUNCTION__);
- }
- $uniqueIndex = true;
- }
-
- $row = array_change_key_case($row, CASE_LOWER);
-
- $definition = array(
- 'primary' => (boolean)$row['primary'],
- 'unique' => (boolean)$row['unique'],
- 'foreign' => (boolean)$row['foreign'],
- 'check' => (boolean)$row['check'],
- 'fields' => array(),
- 'references' => array(
- 'table' => $row['references_table'],
- 'fields' => array(),
- ),
- 'deferrable' => (boolean)$row['deferrable'],
- 'initiallydeferred' => (boolean)$row['initiallydeferred'],
- 'onupdate' => $row['onupdate'],
- 'ondelete' => $row['ondelete'],
- 'match' => $row['match'],
- );
-
- if ($uniqueIndex) {
- $db->loadModule('Manager', null, true);
- $columns = $db->manager->listTableFields($table_name);
- $index_column_numbers = explode(' ', $row['indkey']);
- $colpos = 1;
- foreach ($index_column_numbers as $number) {
- $definition['fields'][$columns[($number - 1)]] = array(
- 'position' => $colpos++,
- 'sorting' => 'ascending',
- );
- }
- return $definition;
- }
-
- $query = 'SELECT a.attname
- FROM pg_constraint c
- LEFT JOIN pg_class t ON c.conrelid = t.oid
- LEFT JOIN pg_attribute a ON a.attrelid = t.oid AND a.attnum = ANY(c.conkey)
- WHERE c.conname = %s
- AND t.relname = ' . $db->quote($table, 'text');
- $fields = $db->queryCol(sprintf($query, $db->quote($constraint_name_mdb2, 'text')), null);
- if (PEAR::isError($fields)) {
- return $fields;
- }
- $colpos = 1;
- foreach ($fields as $field) {
- $definition['fields'][$field] = array(
- 'position' => $colpos++,
- 'sorting' => 'ascending',
- );
- }
-
- if ($definition['foreign']) {
- $query = 'SELECT a.attname
- FROM pg_constraint c
- LEFT JOIN pg_class t ON c.confrelid = t.oid
- LEFT JOIN pg_attribute a ON a.attrelid = t.oid AND a.attnum = ANY(c.confkey)
- WHERE c.conname = %s
- AND t.relname = ' . $db->quote($definition['references']['table'], 'text');
- $foreign_fields = $db->queryCol(sprintf($query, $db->quote($constraint_name_mdb2, 'text')), null);
- if (PEAR::isError($foreign_fields)) {
- return $foreign_fields;
- }
- $colpos = 1;
- foreach ($foreign_fields as $foreign_field) {
- $definition['references']['fields'][$foreign_field] = array(
- 'position' => $colpos++,
- );
- }
- }
-
- if ($definition['check']) {
- $check_def = $db->queryOne("SELECT pg_get_constraintdef(" . $row['oid'] . ", 't')");
- // ...
- }
- return $definition;
- }
-
- // }}}
- // {{{ getTriggerDefinition()
-
- /**
- * Get the structure of a trigger into an array
- *
- * EXPERIMENTAL
- *
- * WARNING: this function is experimental and may change the returned value
- * at any time until labelled as non-experimental
- *
- * @param string $trigger name of trigger that should be used in method
- * @return mixed data array on success, a MDB2 error on failure
- * @access public
- *
- * @TODO: add support for plsql functions and functions with args
- */
- function getTriggerDefinition($trigger)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $query = "SELECT trg.tgname AS trigger_name,
- tbl.relname AS table_name,
- CASE
- WHEN p.proname IS NOT NULL THEN 'EXECUTE PROCEDURE ' || p.proname || '();'
- ELSE ''
- END AS trigger_body,
- CASE trg.tgtype & cast(2 as int2)
- WHEN 0 THEN 'AFTER'
- ELSE 'BEFORE'
- END AS trigger_type,
- CASE trg.tgtype & cast(28 as int2)
- WHEN 16 THEN 'UPDATE'
- WHEN 8 THEN 'DELETE'
- WHEN 4 THEN 'INSERT'
- WHEN 20 THEN 'INSERT, UPDATE'
- WHEN 28 THEN 'INSERT, UPDATE, DELETE'
- WHEN 24 THEN 'UPDATE, DELETE'
- WHEN 12 THEN 'INSERT, DELETE'
- END AS trigger_event,
- 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,
- pg_proc p
- WHERE trg.tgrelid = tbl.oid
- AND trg.tgfoid = p.oid
- AND trg.tgname = ". $db->quote($trigger, 'text');
- $types = array(
- 'trigger_name' => 'text',
- 'table_name' => 'text',
- 'trigger_body' => 'text',
- 'trigger_type' => 'text',
- 'trigger_event' => 'text',
- 'trigger_comment' => 'text',
- 'trigger_enabled' => 'boolean',
- );
- return $db->queryRow($query, $types, MDB2_FETCHMODE_ASSOC);
- }
-
- // }}}
- // {{{ tableInfo()
-
- /**
- * Returns information about a table or a result set
- *
- * NOTE: only supports 'table' and 'flags' if <var>$result</var>
- * is a table name.
- *
- * @param object|string $result MDB2_result object from a query or a
- * string containing the name of a table.
- * While this also accepts a query result
- * resource identifier, this behavior is
- * deprecated.
- * @param int $mode a valid tableInfo mode
- *
- * @return array an associative array with the information requested.
- * A MDB2_Error object on failure.
- *
- * @see MDB2_Driver_Common::tableInfo()
- */
- function tableInfo($result, $mode = null)
- {
- if (is_string($result)) {
- return parent::tableInfo($result, $mode);
- }
-
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $resource = MDB2::isResultCommon($result) ? $result->getResource() : $result;
- if (!is_resource($resource)) {
- return $db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
- 'Could not generate result resource', __FUNCTION__);
- }
-
- if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
- if ($db->options['field_case'] == CASE_LOWER) {
- $case_func = 'strtolower';
- } else {
- $case_func = 'strtoupper';
- }
- } else {
- $case_func = 'strval';
- }
-
- $count = @pg_num_fields($resource);
- $res = array();
-
- if ($mode) {
- $res['num_fields'] = $count;
- }
-
- $db->loadModule('Datatype', null, true);
- for ($i = 0; $i < $count; $i++) {
- $res[$i] = array(
- 'table' => function_exists('pg_field_table') ? @pg_field_table($resource, $i) : '',
- 'name' => $case_func(@pg_field_name($resource, $i)),
- 'type' => @pg_field_type($resource, $i),
- 'length' => @pg_field_size($resource, $i),
- 'flags' => '',
- );
- $mdb2type_info = $db->datatype->mapNativeDatatype($res[$i]);
- if (PEAR::isError($mdb2type_info)) {
- return $mdb2type_info;
- }
- $res[$i]['mdb2type'] = $mdb2type_info[0][0];
- if ($mode & MDB2_TABLEINFO_ORDER) {
- $res['order'][$res[$i]['name']] = $i;
- }
- if ($mode & MDB2_TABLEINFO_ORDERTABLE) {
- $res['ordertable'][$res[$i]['table']][$res[$i]['name']] = $i;
- }
- }
-
- return $res;
- }
-}
+<?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: Paul Cooper <pgc@ucecom.com> |
+// | Lorenzo Alberton <l.alberton@quipo.it> |
+// +----------------------------------------------------------------------+
+//
+// $Id: pgsql.php,v 1.75 2008/08/22 16:36:20 quipo Exp $
+
+require_once 'MDB2/Driver/Reverse/Common.php';
+
+/**
+ * MDB2 PostGreSQL driver for the schema reverse engineering module
+ *
+ * @package MDB2
+ * @category Database
+ * @author Paul Cooper <pgc@ucecom.com>
+ * @author Lorenzo Alberton <l.alberton@quipo.it>
+ */
+class MDB2_Driver_Reverse_pgsql extends MDB2_Driver_Reverse_Common
+{
+ // {{{ getTableFieldDefinition()
+
+ /**
+ * Get the structure of a field into an array
+ *
+ * @param string $table_name name of table that should be used in method
+ * @param string $field_name name of field that should be used in method
+ * @return mixed data array on success, a MDB2 error on failure
+ * @access public
+ */
+ function getTableFieldDefinition($table_name, $field_name)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $result = $db->loadModule('Datatype', null, true);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+
+ list($schema, $table) = $this->splitTableSchema($table_name);
+
+ $query = "SELECT a.attname AS name,
+ t.typname AS type,
+ CASE a.attlen
+ WHEN -1 THEN
+ CASE t.typname
+ WHEN 'numeric' THEN (a.atttypmod / 65536)
+ WHEN 'decimal' THEN (a.atttypmod / 65536)
+ WHEN 'money' THEN (a.atttypmod / 65536)
+ ELSE CASE a.atttypmod
+ WHEN -1 THEN NULL
+ ELSE a.atttypmod - 4
+ END
+ END
+ ELSE a.attlen
+ END AS length,
+ CASE t.typname
+ WHEN 'numeric' THEN (a.atttypmod % 65536) - 4
+ WHEN 'decimal' THEN (a.atttypmod % 65536) - 4
+ WHEN 'money' THEN (a.atttypmod % 65536) - 4
+ ELSE 0
+ END AS scale,
+ a.attnotnull,
+ a.atttypmod,
+ a.atthasdef,
+ (SELECT substring(pg_get_expr(d.adbin, d.adrelid) for 128)
+ FROM pg_attrdef d
+ WHERE d.adrelid = a.attrelid
+ AND d.adnum = a.attnum
+ AND a.atthasdef
+ ) as default
+ FROM pg_attribute a,
+ pg_class c,
+ pg_type t
+ WHERE c.relname = ".$db->quote($table, 'text')."
+ AND a.atttypid = t.oid
+ AND c.oid = a.attrelid
+ AND NOT a.attisdropped
+ AND a.attnum > 0
+ AND a.attname = ".$db->quote($field_name, 'text')."
+ ORDER BY a.attnum";
+ $column = $db->queryRow($query, null, MDB2_FETCHMODE_ASSOC);
+ if (PEAR::isError($column)) {
+ return $column;
+ }
+
+ if (empty($column)) {
+ return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+ 'it was not specified an existing table column', __FUNCTION__);
+ }
+
+ $column = array_change_key_case($column, CASE_LOWER);
+ $mapped_datatype = $db->datatype->mapNativeDatatype($column);
+ if (PEAR::isError($mapped_datatype)) {
+ return $mapped_datatype;
+ }
+ list($types, $length, $unsigned, $fixed) = $mapped_datatype;
+ $notnull = false;
+ if (!empty($column['attnotnull']) && $column['attnotnull'] == 't') {
+ $notnull = true;
+ }
+ $default = null;
+ if ($column['atthasdef'] === 't'
+ && !preg_match("/nextval\('([^']+)'/", $column['default'])
+ ) {
+ $pattern = '/^\'(.*)\'::[\w ]+$/i';
+ $default = $column['default'];#substr($column['adsrc'], 1, -1);
+ if (is_null($default) && $notnull) {
+ $default = '';
+ } elseif (!empty($default) && preg_match($pattern, $default)) {
+ //remove data type cast
+ $default = preg_replace ($pattern, '\\1', $default);
+ }
+ }
+ $autoincrement = false;
+ if (preg_match("/nextval\('([^']+)'/", $column['default'], $nextvals)) {
+ $autoincrement = true;
+ }
+ $definition[0] = array('notnull' => $notnull, 'nativetype' => $column['type']);
+ if (!is_null($length)) {
+ $definition[0]['length'] = $length;
+ }
+ if (!is_null($unsigned)) {
+ $definition[0]['unsigned'] = $unsigned;
+ }
+ if (!is_null($fixed)) {
+ $definition[0]['fixed'] = $fixed;
+ }
+ if ($default !== false) {
+ $definition[0]['default'] = $default;
+ }
+ if ($autoincrement !== false) {
+ $definition[0]['autoincrement'] = $autoincrement;
+ }
+ foreach ($types as $key => $type) {
+ $definition[$key] = $definition[0];
+ if ($type == 'clob' || $type == 'blob') {
+ unset($definition[$key]['default']);
+ }
+ $definition[$key]['type'] = $type;
+ $definition[$key]['mdb2type'] = $type;
+ }
+ return $definition;
+ }
+
+ // }}}
+ // {{{ getTableIndexDefinition()
+
+ /**
+ * Get the structure of an index into an array
+ *
+ * @param string $table_name name of table that should be used in method
+ * @param string $index_name name of index that should be used in method
+ * @return mixed data array on success, a MDB2 error on failure
+ * @access public
+ */
+ function getTableIndexDefinition($table_name, $index_name)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ list($schema, $table) = $this->splitTableSchema($table_name);
+
+ $query = 'SELECT relname, indkey FROM pg_index, pg_class';
+ $query.= ' WHERE pg_class.oid = pg_index.indexrelid';
+ $query.= " AND indisunique != 't' AND indisprimary != 't'";
+ $query.= ' AND pg_class.relname = %s';
+ $index_name_mdb2 = $db->getIndexName($index_name);
+ $row = $db->queryRow(sprintf($query, $db->quote($index_name_mdb2, 'text')), null, MDB2_FETCHMODE_ASSOC);
+ if (PEAR::isError($row) || empty($row)) {
+ // fallback to the given $index_name, without transformation
+ $row = $db->queryRow(sprintf($query, $db->quote($index_name, 'text')), null, MDB2_FETCHMODE_ASSOC);
+ }
+ if (PEAR::isError($row)) {
+ return $row;
+ }
+
+ if (empty($row)) {
+ return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+ 'it was not specified an existing table index', __FUNCTION__);
+ }
+
+ $row = array_change_key_case($row, CASE_LOWER);
+
+ $db->loadModule('Manager', null, true);
+ $columns = $db->manager->listTableFields($table_name);
+
+ $definition = array();
+
+ $index_column_numbers = explode(' ', $row['indkey']);
+
+ $colpos = 1;
+ foreach ($index_column_numbers as $number) {
+ $definition['fields'][$columns[($number - 1)]] = array(
+ 'position' => $colpos++,
+ 'sorting' => 'ascending',
+ );
+ }
+ return $definition;
+ }
+
+ // }}}
+ // {{{ getTableConstraintDefinition()
+
+ /**
+ * Get the structure of a constraint into an array
+ *
+ * @param string $table_name name of table that should be used in method
+ * @param string $constraint_name name of constraint that should be used in method
+ * @return mixed data array on success, a MDB2 error on failure
+ * @access public
+ */
+ function getTableConstraintDefinition($table_name, $constraint_name)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ list($schema, $table) = $this->splitTableSchema($table_name);
+
+ $query = "SELECT c.oid,
+ c.conname AS constraint_name,
+ CASE WHEN c.contype = 'c' THEN 1 ELSE 0 END AS \"check\",
+ CASE WHEN c.contype = 'f' THEN 1 ELSE 0 END AS \"foreign\",
+ CASE WHEN c.contype = 'p' THEN 1 ELSE 0 END AS \"primary\",
+ CASE WHEN c.contype = 'u' THEN 1 ELSE 0 END AS \"unique\",
+ CASE WHEN c.condeferrable = 'f' THEN 0 ELSE 1 END AS deferrable,
+ CASE WHEN c.condeferred = 'f' THEN 0 ELSE 1 END AS initiallydeferred,
+ --array_to_string(c.conkey, ' ') AS constraint_key,
+ t.relname AS table_name,
+ t2.relname AS references_table,
+ CASE confupdtype
+ WHEN 'a' THEN 'NO ACTION'
+ WHEN 'r' THEN 'RESTRICT'
+ WHEN 'c' THEN 'CASCADE'
+ WHEN 'n' THEN 'SET NULL'
+ WHEN 'd' THEN 'SET DEFAULT'
+ END AS onupdate,
+ CASE confdeltype
+ WHEN 'a' THEN 'NO ACTION'
+ WHEN 'r' THEN 'RESTRICT'
+ WHEN 'c' THEN 'CASCADE'
+ WHEN 'n' THEN 'SET NULL'
+ WHEN 'd' THEN 'SET DEFAULT'
+ END AS ondelete,
+ CASE confmatchtype
+ WHEN 'u' THEN 'UNSPECIFIED'
+ WHEN 'f' THEN 'FULL'
+ WHEN 'p' THEN 'PARTIAL'
+ END AS match,
+ --array_to_string(c.confkey, ' ') AS fk_constraint_key,
+ consrc
+ FROM pg_constraint c
+ LEFT JOIN pg_class t ON c.conrelid = t.oid
+ LEFT JOIN pg_class t2 ON c.confrelid = t2.oid
+ WHERE c.conname = %s
+ AND t.relname = " . $db->quote($table, 'text');
+ $constraint_name_mdb2 = $db->getIndexName($constraint_name);
+ $row = $db->queryRow(sprintf($query, $db->quote($constraint_name_mdb2, 'text')), null, MDB2_FETCHMODE_ASSOC);
+ if (PEAR::isError($row) || empty($row)) {
+ // fallback to the given $index_name, without transformation
+ $constraint_name_mdb2 = $constraint_name;
+ $row = $db->queryRow(sprintf($query, $db->quote($constraint_name_mdb2, 'text')), null, MDB2_FETCHMODE_ASSOC);
+ }
+ if (PEAR::isError($row)) {
+ return $row;
+ }
+ $uniqueIndex = false;
+ if (empty($row)) {
+ // We might be looking for a UNIQUE index that was not created
+ // as a constraint but should be treated as such.
+ $query = 'SELECT relname AS constraint_name,
+ indkey,
+ 0 AS "check",
+ 0 AS "foreign",
+ 0 AS "primary",
+ 1 AS "unique",
+ 0 AS deferrable,
+ 0 AS initiallydeferred,
+ NULL AS references_table,
+ NULL AS onupdate,
+ NULL AS ondelete,
+ NULL AS match
+ FROM pg_index, pg_class
+ WHERE pg_class.oid = pg_index.indexrelid
+ AND indisunique = \'t\'
+ AND pg_class.relname = %s';
+ $constraint_name_mdb2 = $db->getIndexName($constraint_name);
+ $row = $db->queryRow(sprintf($query, $db->quote($constraint_name_mdb2, 'text')), null, MDB2_FETCHMODE_ASSOC);
+ if (PEAR::isError($row) || empty($row)) {
+ // fallback to the given $index_name, without transformation
+ $constraint_name_mdb2 = $constraint_name;
+ $row = $db->queryRow(sprintf($query, $db->quote($constraint_name_mdb2, 'text')), null, MDB2_FETCHMODE_ASSOC);
+ }
+ if (PEAR::isError($row)) {
+ return $row;
+ }
+ if (empty($row)) {
+ return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+ $constraint_name . ' is not an existing table constraint', __FUNCTION__);
+ }
+ $uniqueIndex = true;
+ }
+
+ $row = array_change_key_case($row, CASE_LOWER);
+
+ $definition = array(
+ 'primary' => (boolean)$row['primary'],
+ 'unique' => (boolean)$row['unique'],
+ 'foreign' => (boolean)$row['foreign'],
+ 'check' => (boolean)$row['check'],
+ 'fields' => array(),
+ 'references' => array(
+ 'table' => $row['references_table'],
+ 'fields' => array(),
+ ),
+ 'deferrable' => (boolean)$row['deferrable'],
+ 'initiallydeferred' => (boolean)$row['initiallydeferred'],
+ 'onupdate' => $row['onupdate'],
+ 'ondelete' => $row['ondelete'],
+ 'match' => $row['match'],
+ );
+
+ if ($uniqueIndex) {
+ $db->loadModule('Manager', null, true);
+ $columns = $db->manager->listTableFields($table_name);
+ $index_column_numbers = explode(' ', $row['indkey']);
+ $colpos = 1;
+ foreach ($index_column_numbers as $number) {
+ $definition['fields'][$columns[($number - 1)]] = array(
+ 'position' => $colpos++,
+ 'sorting' => 'ascending',
+ );
+ }
+ return $definition;
+ }
+
+ $query = 'SELECT a.attname
+ FROM pg_constraint c
+ LEFT JOIN pg_class t ON c.conrelid = t.oid
+ LEFT JOIN pg_attribute a ON a.attrelid = t.oid AND a.attnum = ANY(c.conkey)
+ WHERE c.conname = %s
+ AND t.relname = ' . $db->quote($table, 'text');
+ $fields = $db->queryCol(sprintf($query, $db->quote($constraint_name_mdb2, 'text')), null);
+ if (PEAR::isError($fields)) {
+ return $fields;
+ }
+ $colpos = 1;
+ foreach ($fields as $field) {
+ $definition['fields'][$field] = array(
+ 'position' => $colpos++,
+ 'sorting' => 'ascending',
+ );
+ }
+
+ if ($definition['foreign']) {
+ $query = 'SELECT a.attname
+ FROM pg_constraint c
+ LEFT JOIN pg_class t ON c.confrelid = t.oid
+ LEFT JOIN pg_attribute a ON a.attrelid = t.oid AND a.attnum = ANY(c.confkey)
+ WHERE c.conname = %s
+ AND t.relname = ' . $db->quote($definition['references']['table'], 'text');
+ $foreign_fields = $db->queryCol(sprintf($query, $db->quote($constraint_name_mdb2, 'text')), null);
+ if (PEAR::isError($foreign_fields)) {
+ return $foreign_fields;
+ }
+ $colpos = 1;
+ foreach ($foreign_fields as $foreign_field) {
+ $definition['references']['fields'][$foreign_field] = array(
+ 'position' => $colpos++,
+ );
+ }
+ }
+
+ if ($definition['check']) {
+ $check_def = $db->queryOne("SELECT pg_get_constraintdef(" . $row['oid'] . ", 't')");
+ // ...
+ }
+ return $definition;
+ }
+
+ // }}}
+ // {{{ getTriggerDefinition()
+
+ /**
+ * Get the structure of a trigger into an array
+ *
+ * EXPERIMENTAL
+ *
+ * WARNING: this function is experimental and may change the returned value
+ * at any time until labelled as non-experimental
+ *
+ * @param string $trigger name of trigger that should be used in method
+ * @return mixed data array on success, a MDB2 error on failure
+ * @access public
+ *
+ * @TODO: add support for plsql functions and functions with args
+ */
+ function getTriggerDefinition($trigger)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $query = "SELECT trg.tgname AS trigger_name,
+ tbl.relname AS table_name,
+ CASE
+ WHEN p.proname IS NOT NULL THEN 'EXECUTE PROCEDURE ' || p.proname || '();'
+ ELSE ''
+ END AS trigger_body,
+ CASE trg.tgtype & cast(2 as int2)
+ WHEN 0 THEN 'AFTER'
+ ELSE 'BEFORE'
+ END AS trigger_type,
+ CASE trg.tgtype & cast(28 as int2)
+ WHEN 16 THEN 'UPDATE'
+ WHEN 8 THEN 'DELETE'
+ WHEN 4 THEN 'INSERT'
+ WHEN 20 THEN 'INSERT, UPDATE'
+ WHEN 28 THEN 'INSERT, UPDATE, DELETE'
+ WHEN 24 THEN 'UPDATE, DELETE'
+ WHEN 12 THEN 'INSERT, DELETE'
+ END AS trigger_event,
+ 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,
+ pg_proc p
+ WHERE trg.tgrelid = tbl.oid
+ AND trg.tgfoid = p.oid
+ AND trg.tgname = ". $db->quote($trigger, 'text');
+ $types = array(
+ 'trigger_name' => 'text',
+ 'table_name' => 'text',
+ 'trigger_body' => 'text',
+ 'trigger_type' => 'text',
+ 'trigger_event' => 'text',
+ 'trigger_comment' => 'text',
+ 'trigger_enabled' => 'boolean',
+ );
+ return $db->queryRow($query, $types, MDB2_FETCHMODE_ASSOC);
+ }
+
+ // }}}
+ // {{{ tableInfo()
+
+ /**
+ * Returns information about a table or a result set
+ *
+ * NOTE: only supports 'table' and 'flags' if <var>$result</var>
+ * is a table name.
+ *
+ * @param object|string $result MDB2_result object from a query or a
+ * string containing the name of a table.
+ * While this also accepts a query result
+ * resource identifier, this behavior is
+ * deprecated.
+ * @param int $mode a valid tableInfo mode
+ *
+ * @return array an associative array with the information requested.
+ * A MDB2_Error object on failure.
+ *
+ * @see MDB2_Driver_Common::tableInfo()
+ */
+ function tableInfo($result, $mode = null)
+ {
+ if (is_string($result)) {
+ return parent::tableInfo($result, $mode);
+ }
+
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $resource = MDB2::isResultCommon($result) ? $result->getResource() : $result;
+ if (!is_resource($resource)) {
+ return $db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
+ 'Could not generate result resource', __FUNCTION__);
+ }
+
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ if ($db->options['field_case'] == CASE_LOWER) {
+ $case_func = 'strtolower';
+ } else {
+ $case_func = 'strtoupper';
+ }
+ } else {
+ $case_func = 'strval';
+ }
+
+ $count = @pg_num_fields($resource);
+ $res = array();
+
+ if ($mode) {
+ $res['num_fields'] = $count;
+ }
+
+ $db->loadModule('Datatype', null, true);
+ for ($i = 0; $i < $count; $i++) {
+ $res[$i] = array(
+ 'table' => function_exists('pg_field_table') ? @pg_field_table($resource, $i) : '',
+ 'name' => $case_func(@pg_field_name($resource, $i)),
+ 'type' => @pg_field_type($resource, $i),
+ 'length' => @pg_field_size($resource, $i),
+ 'flags' => '',
+ );
+ $mdb2type_info = $db->datatype->mapNativeDatatype($res[$i]);
+ if (PEAR::isError($mdb2type_info)) {
+ return $mdb2type_info;
+ }
+ $res[$i]['mdb2type'] = $mdb2type_info[0][0];
+ if ($mode & MDB2_TABLEINFO_ORDER) {
+ $res['order'][$res[$i]['name']] = $i;
+ }
+ if ($mode & MDB2_TABLEINFO_ORDERTABLE) {
+ $res['ordertable'][$res[$i]['table']][$res[$i]['name']] = $i;
+ }
+ }
+
+ return $res;
+ }
+}
?>
\ No newline at end of file
diff --git a/inc/MDB2/Driver/mysql.php b/inc/MDB2/Driver/mysql.php
index 5c8df3b6b6..fbb00cc6bb 100755
--- a/inc/MDB2/Driver/mysql.php
+++ b/inc/MDB2/Driver/mysql.php
@@ -1,1700 +1,1700 @@
-<?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 1.214 2008/11/16 21:45:08 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['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 = 0';
- $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 = 1';
- $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 = 1';
- $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 ($this->_isNewLinkSet()) {
- $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);
- }
- $client_info = mysql_get_client_info();
- if (function_exists('mysql_set_charset') && version_compare($client_info, '5.0.6')) {
- if (!$result = mysql_set_charset($charset, $connection)) {
- $err =& $this->raiseError(null, null, null,
- 'Could not set client character set', __FUNCTION__);
- return $err;
- }
- return $result;
- }
- $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) {
- $ok = @mysql_close($this->connection);
- if (!$ok) {
- return $this->raiseError(MDB2_ERROR_DISCONNECT_FAILED,
- null, null, null, __FUNCTION__);
- }
- }
- } else {
- return false;
- }
- 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 old row is deleted before the new row is inserted.
- *
- * 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 $fields associative array that describes the fields and the
- * values that will be inserted or updated in the specified table. The
- * indexes of the array are the names of all the fields of the table. The
- * values of the array are also associative arrays that describe the
- * values and other properties of the table fields.
- *
- * Here follows a list of field properties that need to be specified:
- *
- * value:
- * Value to be assigned to the specified field. This value may be
- * of specified in database independent type format as this
- * function can perform the necessary datatype conversions.
- *
- * Default:
- * this property is required unless the Null property
- * is set to 1.
- *
- * type
- * Name of the type of the field. Currently, all types Metabase
- * are supported except for clob and blob.
- *
- * Default: no type conversion
- *
- * null
- * Boolean property that indicates that the value for this field
- * should be set to null.
- *
- * The default value for fields missing in INSERT queries may be
- * specified the definition of a table. Often, the default value
- * is already null, but since the REPLACE may be emulated using
- * an UPDATE query, make sure that all fields of the table are
- * listed in this function argument array.
- *
- * Default: 0
- *
- * key
- * Boolean property that indicates that this field should be
- * handled as a primary key or at least as part of the compound
- * unique index of the table that will determine the row that will
- * updated if it exists or inserted a new row otherwise.
- *
- * This function will fail if no key field is specified or if the
- * value of a key field is set to null because fields that are
- * part of unique index they may not be null.
- *
- * Default: 0
- *
- * @see http://dev.mysql.com/doc/refman/5.0/en/replace.html
- * @return mixed MDB2_OK on success, a MDB2 error on failure
- */
- function replace($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 $result_wrap_class string which specifies which class to wrap results in
- *
- * @return mixed MDB2_Result or integer (affected rows) on success,
- * a MDB2 error on failure
- * @access private
- */
- function &_execute($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 1.214 2008/11/16 21:45:08 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['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 = 0';
+ $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 = 1';
+ $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 = 1';
+ $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 ($this->_isNewLinkSet()) {
+ $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);
+ }
+ $client_info = mysql_get_client_info();
+ if (function_exists('mysql_set_charset') && version_compare($client_info, '5.0.6')) {
+ if (!$result = mysql_set_charset($charset, $connection)) {
+ $err =& $this->raiseError(null, null, null,
+ 'Could not set client character set', __FUNCTION__);
+ return $err;
+ }
+ return $result;
+ }
+ $query = "SET NAMES '".mysql_real_escape_string($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) {
+ $ok = @mysql_close($this->connection);
+ if (!$ok) {
+ return $this->raiseError(MDB2_ERROR_DISCONNECT_FAILED,
+ null, null, null, __FUNCTION__);
+ }
+ }
+ } else {
+ return false;
+ }
+ return parent::disconnect($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 old row is deleted before the new row is inserted.
+ *
+ * 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 $fields associative array that describes the fields and the
+ * values that will be inserted or updated in the specified table. The
+ * indexes of the array are the names of all the fields of the table. The
+ * values of the array are also associative arrays that describe the
+ * values and other properties of the table fields.
+ *
+ * Here follows a list of field properties that need to be specified:
+ *
+ * value:
+ * Value to be assigned to the specified field. This value may be
+ * of specified in database independent type format as this
+ * function can perform the necessary datatype conversions.
+ *
+ * Default:
+ * this property is required unless the Null property
+ * is set to 1.
+ *
+ * type
+ * Name of the type of the field. Currently, all types Metabase
+ * are supported except for clob and blob.
+ *
+ * Default: no type conversion
+ *
+ * null
+ * Boolean property that indicates that the value for this field
+ * should be set to null.
+ *
+ * The default value for fields missing in INSERT queries may be
+ * specified the definition of a table. Often, the default value
+ * is already null, but since the REPLACE may be emulated using
+ * an UPDATE query, make sure that all fields of the table are
+ * listed in this function argument array.
+ *
+ * Default: 0
+ *
+ * key
+ * Boolean property that indicates that this field should be
+ * handled as a primary key or at least as part of the compound
+ * unique index of the table that will determine the row that will
+ * updated if it exists or inserted a new row otherwise.
+ *
+ * This function will fail if no key field is specified or if the
+ * value of a key field is set to null because fields that are
+ * part of unique index they may not be null.
+ *
+ * Default: 0
+ *
+ * @see http://dev.mysql.com/doc/refman/5.0/en/replace.html
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ */
+ function replace($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 $result_wrap_class string which specifies which class to wrap results in
+ *
+ * @return mixed MDB2_Result or integer (affected rows) on success,
+ * a MDB2 error on failure
+ * @access private
+ */
+ function &_execute($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
--
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