diff options
Diffstat (limited to 'program/lib/MDB2/Driver/Manager')
| -rw-r--r-- | program/lib/MDB2/Driver/Manager/Common.php | 81 | ||||
| -rw-r--r-- | program/lib/MDB2/Driver/Manager/mssql.php | 1942 | ||||
| -rw-r--r-- | program/lib/MDB2/Driver/Manager/mysql.php | 448 | ||||
| -rw-r--r-- | program/lib/MDB2/Driver/Manager/mysqli.php | 407 | ||||
| -rw-r--r-- | program/lib/MDB2/Driver/Manager/pgsql.php | 1622 | ||||
| -rw-r--r-- | program/lib/MDB2/Driver/Manager/sqlite.php | 37 |
6 files changed, 2878 insertions, 1659 deletions
diff --git a/program/lib/MDB2/Driver/Manager/Common.php b/program/lib/MDB2/Driver/Manager/Common.php index da2e329ef..672f577ee 100644 --- a/program/lib/MDB2/Driver/Manager/Common.php +++ b/program/lib/MDB2/Driver/Manager/Common.php @@ -2,7 +2,7 @@ // +----------------------------------------------------------------------+
// | PHP versions 4 and 5 |
// +----------------------------------------------------------------------+
-// | Copyright (c) 1998-2007 Manuel Lemos, Tomas V.V.Cox, |
+// | Copyright (c) 1998-2008 Manuel Lemos, Tomas V.V.Cox, |
// | Stig. S. Bakken, Lukas Smith |
// | All rights reserved. |
// +----------------------------------------------------------------------+
@@ -39,16 +39,18 @@ // | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
// | POSSIBILITY OF SUCH DAMAGE. |
// +----------------------------------------------------------------------+
-// | Author: Lukas Smith <smith@pooteeweet.org> |
+// | Authors: Lukas Smith <smith@pooteeweet.org> |
+// | Lorenzo Alberton <l.alberton@quipo.it> |
// +----------------------------------------------------------------------+
//
-// $Id: Common.php,v 1.68 2007/12/03 20:59:15 quipo Exp $
+// $Id: Common.php,v 1.71 2008/02/12 23:12:27 quipo Exp $
//
/**
* @package MDB2
* @category Database
* @author Lukas Smith <smith@pooteeweet.org>
+ * @author Lorenzo Alberton <l.alberton@quipo.it>
*/
/**
@@ -199,6 +201,29 @@ class MDB2_Driver_Manager_Common extends MDB2_Module_Common }
// }}}
+ // {{{ alterDatabase()
+
+ /**
+ * alter an existing database
+ *
+ * @param string $name name of the database that should be created
+ * @param array $options array with charset, collation info
+ *
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function alterDatabase($database, $options = array())
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'method not implemented', __FUNCTION__);
+ }
+
+ // }}}
// {{{ dropDatabase()
/**
@@ -360,6 +385,56 @@ class MDB2_Driver_Manager_Common extends MDB2_Module_Common }
// }}}
+ // {{{ truncateTable()
+
+ /**
+ * Truncate an existing table (if the TRUNCATE TABLE syntax is not supported,
+ * it falls back to a DELETE FROM TABLE query)
+ *
+ * @param string $name name of the table that should be truncated
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function truncateTable($name)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $name = $db->quoteIdentifier($name, true);
+ return $db->exec("DELETE FROM $name");
+ }
+
+ // }}}
+ // {{{ vacuum()
+
+ /**
+ * Optimize (vacuum) all the tables in the db (or only the specified table)
+ * and optionally run ANALYZE.
+ *
+ * @param string $table table name (all the tables if empty)
+ * @param array $options an array with driver-specific options:
+ * - timeout [int] (in seconds) [mssql-only]
+ * - analyze [boolean] [pgsql and mysql]
+ * - full [boolean] [pgsql-only]
+ * - freeze [boolean] [pgsql-only]
+ *
+ * @return mixed MDB2_OK success, a MDB2 error on failure
+ * @access public
+ */
+ function vacuum($table = null, $options = array())
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'method not implemented', __FUNCTION__);
+ }
+
+ // }}}
// {{{ alterTable()
/**
diff --git a/program/lib/MDB2/Driver/Manager/mssql.php b/program/lib/MDB2/Driver/Manager/mssql.php index 9cc66f3b7..fc260f8e6 100644 --- a/program/lib/MDB2/Driver/Manager/mssql.php +++ b/program/lib/MDB2/Driver/Manager/mssql.php @@ -1,815 +1,1129 @@ -<?php
-// +----------------------------------------------------------------------+
-// | PHP versions 4 and 5 |
-// +----------------------------------------------------------------------+
-// | Copyright (c) 1998-2007 Manuel Lemos, Tomas V.V.Cox, |
-// | Stig. S. Bakken, Lukas Smith |
-// | All rights reserved. |
-// +----------------------------------------------------------------------+
-// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB |
-// | API as well as database abstraction for PHP applications. |
-// | This LICENSE is in the BSD license style. |
-// | |
-// | Redistribution and use in source and binary forms, with or without |
-// | modification, are permitted provided that the following conditions |
-// | are met: |
-// | |
-// | Redistributions of source code must retain the above copyright |
-// | notice, this list of conditions and the following disclaimer. |
-// | |
-// | Redistributions in binary form must reproduce the above copyright |
-// | notice, this list of conditions and the following disclaimer in the |
-// | documentation and/or other materials provided with the distribution. |
-// | |
-// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, |
-// | Lukas Smith nor the names of his contributors may be used to endorse |
-// | or promote products derived from this software without specific prior|
-// | written permission. |
-// | |
-// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
-// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
-// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
-// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
-// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
-// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
-// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
-// | OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
-// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
-// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
-// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
-// | POSSIBILITY OF SUCH DAMAGE. |
-// +----------------------------------------------------------------------+
-// | Authors: Frank M. Kromann <frank@kromann.info> |
-// | David Coallier <davidc@php.net> |
-// | Lorenzo Alberton <l.alberton@quipo.it> |
-// +----------------------------------------------------------------------+
-//
-// $Id: mssql.php,v 1.93 2007/12/03 20:59:15 quipo Exp $
-//
-
-require_once 'MDB2/Driver/Manager/Common.php';
-
-// {{{ class MDB2_Driver_Manager_mssql
-
-/**
- * MDB2 MSSQL driver for the management modules
- *
- * @package MDB2
- * @category Database
- * @author Frank M. Kromann <frank@kromann.info>
- * @author David Coallier <davidc@php.net>
- * @author Lorenzo Alberton <l.alberton@quipo.it>
- */
-class MDB2_Driver_Manager_mssql extends MDB2_Driver_Manager_Common
-{
- // {{{ createDatabase()
- /**
- * create a new database
- *
- * @param string $name name of the database that should be created
- * @param array $options array with collation info
- *
- * @return mixed MDB2_OK on success, a MDB2 error on failure
- * @access public
- */
- function createDatabase($name, $options = array())
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $name = $db->quoteIdentifier($name, true);
- $query = "CREATE DATABASE $name";
- if ($db->options['database_device']) {
- $query.= ' ON '.$db->options['database_device'];
- $query.= $db->options['database_size'] ? '=' .
- $db->options['database_size'] : '';
- }
- if (!empty($options['collation'])) {
- $query .= ' COLLATE ' . $options['collation'];
- }
- return $db->standaloneQuery($query, null, true);
- }
-
- // }}}
- // {{{ dropDatabase()
-
- /**
- * drop an existing database
- *
- * @param string $name name of the database that should be dropped
- *
- * @return mixed MDB2_OK on success, a MDB2 error on failure
- * @access public
- */
- function dropDatabase($name)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $name = $db->quoteIdentifier($name, true);
- return $db->standaloneQuery("DROP DATABASE $name", null, true);
- }
-
- // }}}
- // {{{ _getTemporaryTableQuery()
-
- /**
- * Override the parent method.
- *
- * @return string The string required to be placed between "CREATE" and "TABLE"
- * to generate a temporary table, if possible.
- */
- function _getTemporaryTableQuery()
- {
- return '';
- }
-
- // }}}
- // {{{ _getAdvancedFKOptions()
-
- /**
- * Return the FOREIGN KEY query section dealing with non-standard options
- * as MATCH, INITIALLY DEFERRED, ON UPDATE, ...
- *
- * @param array $definition
- *
- * @return string
- * @access protected
- */
- function _getAdvancedFKOptions($definition)
- {
- $query = '';
- if (!empty($definition['onupdate'])) {
- $query .= ' ON UPDATE '.$definition['onupdate'];
- }
- if (!empty($definition['ondelete'])) {
- $query .= ' ON DELETE '.$definition['ondelete'];
- }
- return $query;
- }
-
- // }}}
- // {{{ createTable()
-
- /**
- * create a new table
- *
- * @param string $name Name of the database that should be created
- * @param array $fields Associative array that contains the definition of each field of the new table
- * The indexes of the array entries are the names of the fields of the table an
- * the array entry values are associative arrays like those that are meant to be
- * passed with the field definitions to get[Type]Declaration() functions.
- *
- * Example
- * array(
- *
- * 'id' => array(
- * 'type' => 'integer',
- * 'unsigned' => 1,
- * 'notnull' => 1,
- * 'default' => 0,
- * ),
- * 'name' => array(
- * 'type' => 'text',
- * 'length' => 12,
- * ),
- * 'description' => array(
- * 'type' => 'text',
- * 'length' => 12,
- * )
- * );
- * @param array $options An associative array of table options:
- * array(
- * 'comment' => 'Foo',
- * 'temporary' => true|false,
- * );
- *
- * @return mixed MDB2_OK on success, a MDB2 error on failure
- * @access public
- */
- function createTable($name, $fields, $options = array())
- {
- if (!empty($options['temporary'])) {
- $name = '#'.$name;
- }
- return parent::createTable($name, $fields, $options);
- }
-
- // }}}
- // {{{ alterTable()
-
- /**
- * alter an existing table
- *
- * @param string $name name of the table that is intended to be changed.
- * @param array $changes associative array that contains the details of each type
- * of change that is intended to be performed. The types of
- * changes that are currently supported are defined as follows:
- *
- * name
- *
- * New name for the table.
- *
- * add
- *
- * Associative array with the names of fields to be added as
- * indexes of the array. The value of each entry of the array
- * should be set to another associative array with the properties
- * of the fields to be added. The properties of the fields should
- * be the same as defined by the MDB2 parser.
- *
- *
- * remove
- *
- * Associative array with the names of fields to be removed as indexes
- * of the array. Currently the values assigned to each entry are ignored.
- * An empty array should be used for future compatibility.
- *
- * rename
- *
- * Associative array with the names of fields to be renamed as indexes
- * of the array. The value of each entry of the array should be set to
- * another associative array with the entry named name with the new
- * field name and the entry named Declaration that is expected to contain
- * the portion of the field declaration already in DBMS specific SQL code
- * as it is used in the CREATE TABLE statement.
- *
- * change
- *
- * Associative array with the names of the fields to be changed as indexes
- * of the array. Keep in mind that if it is intended to change either the
- * name of a field and any other properties, the change array entries
- * should have the new names of the fields as array indexes.
- *
- * The value of each entry of the array should be set to another associative
- * array with the properties of the fields to that are meant to be changed as
- * array entries. These entries should be assigned to the new values of the
- * respective properties. The properties of the fields should be the same
- * as defined by the MDB2 parser.
- *
- * Example
- * array(
- * 'name' => 'userlist',
- * 'add' => array(
- * 'quota' => array(
- * 'type' => 'integer',
- * 'unsigned' => 1
- * )
- * ),
- * 'remove' => array(
- * 'file_limit' => array(),
- * 'time_limit' => array()
- * ),
- * 'change' => array(
- * 'name' => array(
- * 'length' => '20',
- * 'definition' => array(
- * 'type' => 'text',
- * 'length' => 20,
- * ),
- * )
- * ),
- * 'rename' => array(
- * 'sex' => array(
- * 'name' => 'gender',
- * 'definition' => array(
- * 'type' => 'text',
- * 'length' => 1,
- * 'default' => 'M',
- * ),
- * )
- * )
- * )
- *
- * @param boolean $check indicates whether the function should just check if the DBMS driver
- * can perform the requested table alterations if the value is true or
- * actually perform them otherwise.
- *
- * @return mixed MDB2_OK on success, a MDB2 error on failure
- * @access public
- */
- function alterTable($name, $changes, $check)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- foreach ($changes as $change_name => $change) {
- switch ($change_name) {
- case 'add':
- break;
- case 'remove':
- break;
- case 'name':
- case 'rename':
- case 'change':
- default:
- return $db->raiseError(MDB2_ERROR_CANNOT_ALTER, null, null,
- 'change type "'.$change_name.'" not yet supported', __FUNCTION__);
- }
- }
-
- if ($check) {
- return MDB2_OK;
- }
-
- $query = '';
- if (!empty($changes['add']) && is_array($changes['add'])) {
- foreach ($changes['add'] as $field_name => $field) {
- if ($query) {
- $query.= ', ';
- } else {
- $query.= 'ADD COLUMN ';
- }
- $query.= $db->getDeclaration($field['type'], $field_name, $field);
- }
- }
-
- if (!empty($changes['remove']) && is_array($changes['remove'])) {
- foreach ($changes['remove'] as $field_name => $field) {
- if ($query) {
- $query.= ', ';
- }
- $field_name = $db->quoteIdentifier($field_name, true);
- $query.= 'DROP COLUMN ' . $field_name;
- }
- }
-
- if (!$query) {
- return MDB2_OK;
- }
-
- $name = $db->quoteIdentifier($name, true);
- return $db->exec("ALTER TABLE $name $query");
- }
-
- // }}}
- // {{{ listTables()
-
- /**
- * list all tables in the current database
- *
- * @return mixed array of table names on success, a MDB2 error on failure
- * @access public
- */
- function listTables()
- {
- $db =& $this->getDBInstance();
-
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $query = 'EXEC sp_tables @table_type = "\'TABLE\'"';
- $table_names = $db->queryCol($query, null, 2);
- if (PEAR::isError($table_names)) {
- return $table_names;
- }
- $result = array();
- foreach ($table_names as $table_name) {
- if (!$this->_fixSequenceName($table_name, true)) {
- $result[] = $table_name;
- }
- }
- if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
- $result = array_map(($db->options['field_case'] == CASE_LOWER ?
- 'strtolower' : 'strtoupper'), $result);
- }
- return $result;
- }
-
- // }}}
- // {{{ listTableFields()
-
- /**
- * list all fields in a table in the current database
- *
- * @param string $table name of table that should be used in method
- *
- * @return mixed array of field names on success, a MDB2 error on failure
- * @access public
- */
- function listTableFields($table)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $table = $db->quoteIdentifier($table, true);
- $columns = $db->queryCol("SELECT c.name
- FROM syscolumns c
- LEFT JOIN sysobjects o ON c.id = o.id
- WHERE o.name = '$table'");
- if (PEAR::isError($columns)) {
- return $columns;
- }
- if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
- $columns = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $columns);
- }
- return $columns;
- }
-
- // }}}
- // {{{ listTableIndexes()
-
- /**
- * list all indexes in a table
- *
- * @param string $table name of table that should be used in method
- *
- * @return mixed array of index names on success, a MDB2 error on failure
- * @access public
- */
- function listTableIndexes($table)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $key_name = 'INDEX_NAME';
- $pk_name = 'PK_NAME';
- if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
- if ($db->options['field_case'] == CASE_LOWER) {
- $key_name = strtolower($key_name);
- $pk_name = strtolower($pk_name);
- } else {
- $key_name = strtoupper($key_name);
- $pk_name = strtoupper($pk_name);
- }
- }
- $table = $db->quote($table, 'text');
- $query = "EXEC sp_statistics @table_name=$table";
- $indexes = $db->queryCol($query, 'text', $key_name);
- if (PEAR::isError($indexes)) {
- return $indexes;
- }
- $query = "EXEC sp_pkeys @table_name=$table";
- $pk_all = $db->queryCol($query, 'text', $pk_name);
- $result = array();
- foreach ($indexes as $index) {
- if (!in_array($index, $pk_all) && ($index = $this->_fixIndexName($index))) {
- $result[$index] = true;
- }
- }
-
- if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
- $result = array_change_key_case($result, $db->options['field_case']);
- }
- return array_keys($result);
- }
-
- // }}}
- // {{{ listDatabases()
-
- /**
- * list all databases
- *
- * @return mixed array of database names on success, a MDB2 error on failure
- * @access public
- */
- function listDatabases()
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $result = $db->queryCol('SELECT name FROM sys.databases');
- if (PEAR::isError($result)) {
- return $result;
- }
- if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
- $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
- }
- return $result;
- }
-
- // }}}
- // {{{ listUsers()
-
- /**
- * list all users
- *
- * @return mixed array of user names on success, a MDB2 error on failure
- * @access public
- */
- function listUsers()
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $result = $db->queryCol('SELECT DISTINCT loginame FROM master..sysprocesses');
- if (PEAR::isError($result) || empty($result)) {
- return $result;
- }
- foreach (array_keys($result) as $k) {
- $result[$k] = trim($result[$k]);
- }
- return $result;
- }
-
- // }}}
- // {{{ listFunctions()
-
- /**
- * list all functions in the current database
- *
- * @return mixed array of function names on success, a MDB2 error on failure
- * @access public
- */
- function listFunctions()
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $query = "SELECT name
- FROM sysobjects
- WHERE objectproperty(id, N'IsMSShipped') = 0
- AND (objectproperty(id, N'IsTableFunction') = 1
- OR objectproperty(id, N'IsScalarFunction') = 1)";
- /*
- SELECT ROUTINE_NAME
- FROM INFORMATION_SCHEMA.ROUTINES
- WHERE ROUTINE_TYPE = 'FUNCTION'
- */
- $result = $db->queryCol($query);
- if (PEAR::isError($result)) {
- return $result;
- }
- if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
- $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
- }
- return $result;
- }
-
- // }}}
- // {{{ listTableTriggers()
-
- /**
- * list all triggers in the database that reference a given table
- *
- * @param string table for which all referenced triggers should be found
- *
- * @return mixed array of trigger names on success, otherwise, false which
- * could be a db error if the db is not instantiated or could
- * be the results of the error that occured during the
- * querying of the sysobject module.
- * @access public
- */
- function listTableTriggers($table = null)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $table = $db->quote($table, 'text');
- $query = "SELECT o.name
- FROM sysobjects o
- WHERE xtype = 'TR'
- AND OBJECTPROPERTY(o.id, 'IsMSShipped') = 0";
- if (!is_null($table)) {
- $query .= " AND object_name(parent_obj) = $table";
- }
-
- $result = $db->queryCol($query);
- if (PEAR::isError($result)) {
- return $result;
- }
-
- if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE &&
- $db->options['field_case'] == CASE_LOWER)
- {
- $result = array_map(($db->options['field_case'] == CASE_LOWER ?
- 'strtolower' : 'strtoupper'), $result);
- }
- return $result;
- }
-
- // }}}
- // {{{ listViews()
-
- /**
- * list all views in the current database
- *
- * @param string database, the current is default
- *
- * @return mixed array of view names on success, a MDB2 error on failure
- * @access public
- */
- function listViews()
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $query = "SELECT name
- FROM sysobjects
- WHERE xtype = 'V'";
- /*
- SELECT *
- FROM sysobjects
- WHERE objectproperty(id, N'IsMSShipped') = 0
- AND objectproperty(id, N'IsView') = 1
- */
-
- $result = $db->queryCol($query);
- if (PEAR::isError($result)) {
- return $result;
- }
-
- if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE &&
- $db->options['field_case'] == CASE_LOWER)
- {
- $result = array_map(($db->options['field_case'] == CASE_LOWER ?
- 'strtolower' : 'strtoupper'), $result);
- }
- return $result;
- }
-
- // }}}
- // {{{ dropIndex()
-
- /**
- * drop existing index
- *
- * @param string $table name of table that should be used in method
- * @param string $name name of the index to be dropped
- *
- * @return mixed MDB2_OK on success, a MDB2 error on failure
- * @access public
- */
- function dropIndex($table, $name)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $table = $db->quoteIdentifier($table, true);
- $name = $db->quoteIdentifier($db->getIndexName($name), true);
- return $db->exec("DROP INDEX $table.$name");
- }
-
- // }}}
- // {{{ listTableConstraints()
-
- /**
- * list all constraints in a table
- *
- * @param string $table name of table that should be used in method
- *
- * @return mixed array of constraint names on success, a MDB2 error on failure
- * @access public
- */
- function listTableConstraints($table)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
- $table = $db->quoteIdentifier($table, true);
-
- $query = "SELECT c.constraint_name
- FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS c
- WHERE c.constraint_catalog = DB_NAME()
- AND c.table_name = '$table'";
- $constraints = $db->queryCol($query);
- if (PEAR::isError($constraints)) {
- return $constraints;
- }
-
- $result = array();
- foreach ($constraints as $constraint) {
- $constraint = $this->_fixIndexName($constraint);
- if (!empty($constraint)) {
- $result[$constraint] = true;
- }
- }
-
- if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
- $result = array_change_key_case($result, $db->options['field_case']);
- }
- return array_keys($result);
- }
-
- // }}}
- // {{{ createSequence()
-
- /**
- * create sequence
- *
- * @param string $seq_name name of the sequence to be created
- * @param string $start start value of the sequence; default is 1
- *
- * @return mixed MDB2_OK on success, a MDB2 error on failure
- * @access public
- */
- function createSequence($seq_name, $start = 1)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $sequence_name = $db->quoteIdentifier($db->getSequenceName($seq_name), true);
- $seqcol_name = $db->quoteIdentifier($db->options['seqcol_name'], true);
- $query = "CREATE TABLE $sequence_name ($seqcol_name " .
- "INT PRIMARY KEY CLUSTERED IDENTITY($start,1) NOT NULL)";
-
- $res = $db->exec($query);
- if (PEAR::isError($res)) {
- return $res;
- }
-
- $query = "SET IDENTITY_INSERT $sequence_name ON ".
- "INSERT INTO $sequence_name ($seqcol_name) VALUES ($start)";
- $res = $db->exec($query);
-
- if (!PEAR::isError($res)) {
- return MDB2_OK;
- }
-
- $result = $db->exec("DROP TABLE $sequence_name");
- if (PEAR::isError($result)) {
- return $db->raiseError($result, null, null,
- 'could not drop inconsistent sequence table', __FUNCTION__);
- }
-
- return $db->raiseError($res, null, null,
- 'could not create sequence table', __FUNCTION__);
- }
-
- // }}}
- // {{{ dropSequence()
-
- /**
- * This function drops an existing sequence
- *
- * @param string $seq_name name of the sequence to be dropped
- *
- * @return mixed MDB2_OK on success, a MDB2 error on failure
- * @access public
- */
- function dropSequence($seq_name)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $sequence_name = $db->quoteIdentifier($db->getSequenceName($seq_name), true);
- return $db->exec("DROP TABLE $sequence_name");
- }
-
- // }}}
- // {{{ listSequences()
-
- /**
- * list all sequences in the current database
- *
- * @return mixed array of sequence names on success, a MDB2 error on failure
- * @access public
- */
- function listSequences()
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $query = "SELECT name FROM sysobjects WHERE xtype = 'U'";
- $table_names = $db->queryCol($query);
- if (PEAR::isError($table_names)) {
- return $table_names;
- }
- $result = array();
- foreach ($table_names as $table_name) {
- if ($sqn = $this->_fixSequenceName($table_name, true)) {
- $result[] = $sqn;
- }
- }
- if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
- $result = array_map(($db->options['field_case'] == CASE_LOWER ?
- 'strtolower' : 'strtoupper'), $result);
- }
- return $result;
- }
-
- // }}}
-}
-
-// }}}
+<?php +// +----------------------------------------------------------------------+ +// | PHP versions 4 and 5 | +// +----------------------------------------------------------------------+ +// | Copyright (c) 1998-2008 Manuel Lemos, Tomas V.V.Cox, | +// | Stig. S. Bakken, Lukas Smith | +// | All rights reserved. | +// +----------------------------------------------------------------------+ +// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB | +// | API as well as database abstraction for PHP applications. | +// | This LICENSE is in the BSD license style. | +// | | +// | Redistribution and use in source and binary forms, with or without | +// | modification, are permitted provided that the following conditions | +// | are met: | +// | | +// | Redistributions of source code must retain the above copyright | +// | notice, this list of conditions and the following disclaimer. | +// | | +// | Redistributions in binary form must reproduce the above copyright | +// | notice, this list of conditions and the following disclaimer in the | +// | documentation and/or other materials provided with the distribution. | +// | | +// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, | +// | Lukas Smith nor the names of his contributors may be used to endorse | +// | or promote products derived from this software without specific prior| +// | written permission. | +// | | +// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | +// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | +// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS | +// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE | +// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, | +// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, | +// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS| +// | OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED | +// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | +// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY| +// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | +// | POSSIBILITY OF SUCH DAMAGE. | +// +----------------------------------------------------------------------+ +// | Authors: Frank M. Kromann <frank@kromann.info> | +// | David Coallier <davidc@php.net> | +// | Lorenzo Alberton <l.alberton@quipo.it> | +// +----------------------------------------------------------------------+ +// +// $Id: mssql.php,v 1.109 2008/03/05 12:55:57 afz Exp $ +// + +require_once 'MDB2/Driver/Manager/Common.php'; + +// {{{ class MDB2_Driver_Manager_mssql + +/** + * MDB2 MSSQL driver for the management modules + * + * @package MDB2 + * @category Database + * @author Frank M. Kromann <frank@kromann.info> + * @author David Coallier <davidc@php.net> + * @author Lorenzo Alberton <l.alberton@quipo.it> + */ +class MDB2_Driver_Manager_mssql extends MDB2_Driver_Manager_Common +{ + // {{{ createDatabase() + /** + * create a new database + * + * @param string $name name of the database that should be created + * @param array $options array with collation info + * + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function createDatabase($name, $options = array()) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $name = $db->quoteIdentifier($name, true); + $query = "CREATE DATABASE $name"; + if ($db->options['database_device']) { + $query.= ' ON '.$db->options['database_device']; + $query.= $db->options['database_size'] ? '=' . + $db->options['database_size'] : ''; + } + if (!empty($options['collation'])) { + $query .= ' COLLATE ' . $options['collation']; + } + return $db->standaloneQuery($query, null, true); + } + + // }}} + // {{{ alterDatabase() + + /** + * alter an existing database + * + * @param string $name name of the database that is intended to be changed + * @param array $options array with name, collation info + * + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function alterDatabase($name, $options = array()) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $query = ''; + if (!empty($options['name'])) { + $query .= ' MODIFY NAME = ' .$db->quoteIdentifier($options['name'], true); + } + if (!empty($options['collation'])) { + $query .= ' COLLATE ' . $options['collation']; + } + if (!empty($query)) { + $query = 'ALTER DATABASE '. $db->quoteIdentifier($name, true) . $query; + return $db->standaloneQuery($query, null, true); + } + return MDB2_OK; + } + + // }}} + // {{{ dropDatabase() + + /** + * drop an existing database + * + * @param string $name name of the database that should be dropped + * + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function dropDatabase($name) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $name = $db->quoteIdentifier($name, true); + return $db->standaloneQuery("DROP DATABASE $name", null, true); + } + + // }}} + // {{{ _getTemporaryTableQuery() + + /** + * Override the parent method. + * + * @return string The string required to be placed between "CREATE" and "TABLE" + * to generate a temporary table, if possible. + */ + function _getTemporaryTableQuery() + { + return ''; + } + + // }}} + // {{{ _getAdvancedFKOptions() + + /** + * Return the FOREIGN KEY query section dealing with non-standard options + * as MATCH, INITIALLY DEFERRED, ON UPDATE, ... + * + * @param array $definition + * + * @return string + * @access protected + */ + function _getAdvancedFKOptions($definition) + { + $query = ''; + if (!empty($definition['onupdate'])) { + $query .= ' ON UPDATE '.$definition['onupdate']; + } + if (!empty($definition['ondelete'])) { + $query .= ' ON DELETE '.$definition['ondelete']; + } + return $query; + } + + // }}} + // {{{ createTable() + + /** + * create a new table + * + * @param string $name Name of the database that should be created + * @param array $fields Associative array that contains the definition of each field of the new table + * The indexes of the array entries are the names of the fields of the table an + * the array entry values are associative arrays like those that are meant to be + * passed with the field definitions to get[Type]Declaration() functions. + * + * Example + * array( + * + * 'id' => array( + * 'type' => 'integer', + * 'unsigned' => 1, + * 'notnull' => 1, + * 'default' => 0, + * ), + * 'name' => array( + * 'type' => 'text', + * 'length' => 12, + * ), + * 'description' => array( + * 'type' => 'text', + * 'length' => 12, + * ) + * ); + * @param array $options An associative array of table options: + * array( + * 'comment' => 'Foo', + * 'temporary' => true|false, + * ); + * + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function createTable($name, $fields, $options = array()) + { + if (!empty($options['temporary'])) { + $name = '#'.$name; + } + return parent::createTable($name, $fields, $options); + } + + // }}} + // {{{ truncateTable() + + /** + * Truncate an existing table (if the TRUNCATE TABLE syntax is not supported, + * it falls back to a DELETE FROM TABLE query) + * + * @param string $name name of the table that should be truncated + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function truncateTable($name) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $name = $db->quoteIdentifier($name, true); + return $db->exec("TRUNCATE TABLE $name"); + } + + // }}} + // {{{ vacuum() + + /** + * Optimize (vacuum) all the tables in the db (or only the specified table) + * and optionally run ANALYZE. + * + * @param string $table table name (all the tables if empty) + * @param array $options an array with driver-specific options: + * - timeout [int] (in seconds) [mssql-only] + * - analyze [boolean] [pgsql and mysql] + * - full [boolean] [pgsql-only] + * - freeze [boolean] [pgsql-only] + * + * NB: you have to run the NSControl Create utility to enable VACUUM + * + * @return mixed MDB2_OK success, a MDB2 error on failure + * @access public + */ + function vacuum($table = null, $options = array()) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + $timeout = isset($options['timeout']) ? (int)$options['timeout'] : 300; + + $query = 'NSControl Create'; + $result = $db->exec($query); + if (PEAR::isError($result)) { + return $result; + } + + return $db->exec('EXEC NSVacuum '.$timeout); + } + + // }}} + // {{{ alterTable() + + /** + * alter an existing table + * + * @param string $name name of the table that is intended to be changed. + * @param array $changes associative array that contains the details of each type + * of change that is intended to be performed. The types of + * changes that are currently supported are defined as follows: + * + * name + * + * New name for the table. + * + * add + * + * Associative array with the names of fields to be added as + * indexes of the array. The value of each entry of the array + * should be set to another associative array with the properties + * of the fields to be added. The properties of the fields should + * be the same as defined by the MDB2 parser. + * + * + * remove + * + * Associative array with the names of fields to be removed as indexes + * of the array. Currently the values assigned to each entry are ignored. + * An empty array should be used for future compatibility. + * + * rename + * + * Associative array with the names of fields to be renamed as indexes + * of the array. The value of each entry of the array should be set to + * another associative array with the entry named name with the new + * field name and the entry named Declaration that is expected to contain + * the portion of the field declaration already in DBMS specific SQL code + * as it is used in the CREATE TABLE statement. + * + * change + * + * Associative array with the names of the fields to be changed as indexes + * of the array. Keep in mind that if it is intended to change either the + * name of a field and any other properties, the change array entries + * should have the new names of the fields as array indexes. + * + * The value of each entry of the array should be set to another associative + * array with the properties of the fields to that are meant to be changed as + * array entries. These entries should be assigned to the new values of the + * respective properties. The properties of the fields should be the same + * as defined by the MDB2 parser. + * + * Example + * array( + * 'name' => 'userlist', + * 'add' => array( + * 'quota' => array( + * 'type' => 'integer', + * 'unsigned' => 1 + * ) + * ), + * 'remove' => array( + * 'file_limit' => array(), + * 'time_limit' => array() + * ), + * 'change' => array( + * 'name' => array( + * 'length' => '20', + * 'definition' => array( + * 'type' => 'text', + * 'length' => 20, + * ), + * ) + * ), + * 'rename' => array( + * 'sex' => array( + * 'name' => 'gender', + * 'definition' => array( + * 'type' => 'text', + * 'length' => 1, + * 'default' => 'M', + * ), + * ) + * ) + * ) + * + * @param boolean $check indicates whether the function should just check if the DBMS driver + * can perform the requested table alterations if the value is true or + * actually perform them otherwise. + * + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function alterTable($name, $changes, $check) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + $name_quoted = $db->quoteIdentifier($name, true); + + foreach ($changes as $change_name => $change) { + switch ($change_name) { + case 'remove': + case 'rename': + case 'add': + case 'change': + case 'name': + break; + default: + return $db->raiseError(MDB2_ERROR_CANNOT_ALTER, null, null, + 'change type "'.$change_name.'" not yet supported', __FUNCTION__); + } + } + + if ($check) { + return MDB2_OK; + } + + $idxname_format = $db->getOption('idxname_format'); + $db->setOption('idxname_format', '%s'); + + if (!empty($changes['remove']) && is_array($changes['remove'])) { + $result = $this->_dropConflictingIndices($name, array_keys($changes['remove'])); + if (PEAR::isError($result)) { + $db->setOption('idxname_format', $idxname_format); + return $result; + } + $result = $this->_dropConflictingConstraints($name, array_keys($changes['remove'])); + if (PEAR::isError($result)) { + $db->setOption('idxname_format', $idxname_format); + return $result; + } + + $query = ''; + foreach ($changes['remove'] as $field_name => $field) { + if ($query) { + $query.= ', '; + } + $field_name = $db->quoteIdentifier($field_name, true); + $query.= 'COLUMN ' . $field_name; + } + + $result = $db->exec("ALTER TABLE $name_quoted DROP $query"); + if (PEAR::isError($result)) { + $db->setOption('idxname_format', $idxname_format); + return $result; + } + } + + if (!empty($changes['rename']) && is_array($changes['rename'])) { + foreach ($changes['rename'] as $field_name => $field) { + $field_name = $db->quoteIdentifier($field_name, true); + $result = $db->exec("sp_rename '$name_quoted.$field_name', '".$field['name']."', 'COLUMN'"); + if (PEAR::isError($result)) { + $db->setOption('idxname_format', $idxname_format); + return $result; + } + } + } + + if (!empty($changes['add']) && is_array($changes['add'])) { + $query = ''; + foreach ($changes['add'] as $field_name => $field) { + if ($query) { + $query.= ', '; + } else { + $query.= 'ADD '; + } + $query.= $db->getDeclaration($field['type'], $field_name, $field); + } + + $result = $db->exec("ALTER TABLE $name_quoted $query"); + if (PEAR::isError($result)) { + $db->setOption('idxname_format', $idxname_format); + return $result; + } + } + + $dropped_indices = array(); + $dropped_constraints = array(); + + if (!empty($changes['change']) && is_array($changes['change'])) { + $dropped = $this->_dropConflictingIndices($name, array_keys($changes['change'])); + if (PEAR::isError($dropped)) { + $db->setOption('idxname_format', $idxname_format); + return $dropped; + } + $dropped_indices = array_merge($dropped_indices, $dropped); + $dropped = $this->_dropConflictingConstraints($name, array_keys($changes['change'])); + if (PEAR::isError($dropped)) { + $db->setOption('idxname_format', $idxname_format); + return $dropped; + } + $dropped_constraints = array_merge($dropped_constraints, $dropped); + + foreach ($changes['change'] as $field_name => $field) { + //MSSQL doesn't allow multiple ALTER COLUMNs in one query + $query = 'ALTER COLUMN '; + + //MSSQL doesn't allow changing the DEFAULT value of a field in altering mode + if (array_key_exists('default', $field['definition'])) { + unset($field['definition']['default']); + } + + $query .= $db->getDeclaration($field['definition']['type'], $field_name, $field['definition']); + $result = $db->exec("ALTER TABLE $name_quoted $query"); + if (PEAR::isError($result)) { + $db->setOption('idxname_format', $idxname_format); + return $result; + } + } + } + + // restore the dropped conflicting indices and constraints + foreach ($dropped_indices as $index_name => $index) { + $result = $this->createIndex($name, $index_name, $index); + if (PEAR::isError($result)) { + $db->setOption('idxname_format', $idxname_format); + return $result; + } + } + foreach ($dropped_constraints as $constraint_name => $constraint) { + $result = $this->createConstraint($name, $constraint_name, $constraint); + if (PEAR::isError($result)) { + $db->setOption('idxname_format', $idxname_format); + return $result; + } + } + + $db->setOption('idxname_format', $idxname_format); + + if (!empty($changes['name'])) { + $new_name = $db->quoteIdentifier($changes['name'], true); + $result = $db->exec("sp_rename '$name_quoted', '$new_name'"); + if (PEAR::isError($result)) { + return $result; + } + } + + return MDB2_OK; + } + + // }}} + // {{{ _dropConflictingIndices() + + /** + * Drop the indices that prevent a successful ALTER TABLE action + * + * @param string $table table name + * @param array $fields array of names of the fields affected by the change + * + * @return array dropped indices definitions + */ + function _dropConflictingIndices($table, $fields) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $dropped = array(); + $index_names = $this->listTableIndexes($table); + if (PEAR::isError($index_names)) { + return $index_names; + } + $db->loadModule('Reverse'); + $indexes = array(); + foreach ($index_names as $index_name) { + $idx_def = $db->reverse->getTableIndexDefinition($table, $index_name); + if (!PEAR::isError($idx_def)) { + $indexes[$index_name] = $idx_def; + } + } + foreach ($fields as $field_name) { + foreach ($indexes as $index_name => $index) { + if (!isset($dropped[$index_name]) && array_key_exists($field_name, $index['fields'])) { + $dropped[$index_name] = $index; + $result = $this->dropIndex($table, $index_name); + if (PEAR::isError($result)) { + return $result; + } + } + } + } + + return $dropped; + } + + // }}} + // {{{ _dropConflictingConstraints() + + /** + * Drop the constraints that prevent a successful ALTER TABLE action + * + * @param string $table table name + * @param array $fields array of names of the fields affected by the change + * + * @return array dropped constraints definitions + */ + function _dropConflictingConstraints($table, $fields) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $dropped = array(); + $constraint_names = $this->listTableConstraints($table); + if (PEAR::isError($constraint_names)) { + return $constraint_names; + } + $db->loadModule('Reverse'); + $constraints = array(); + foreach ($constraint_names as $constraint_name) { + $cons_def = $db->reverse->getTableConstraintDefinition($table, $constraint_name); + if (!PEAR::isError($cons_def)) { + $constraints[$constraint_name] = $cons_def; + } + } + foreach ($fields as $field_name) { + foreach ($constraints as $constraint_name => $constraint) { + if (!isset($dropped[$constraint_name]) && array_key_exists($field_name, $constraint['fields'])) { + $dropped[$constraint_name] = $constraint; + $result = $this->dropConstraint($table, $constraint_name); + if (PEAR::isError($result)) { + return $result; + } + } + } + // also drop implicit DEFAULT constraints + $default = $this->_getTableFieldDefaultConstraint($table, $field_name); + if (!PEAR::isError($default) && !empty($default)) { + $result = $this->dropConstraint($table, $default); + if (PEAR::isError($result)) { + return $result; + } + } + } + + return $dropped; + } + + // }}} + // {{{ _getTableFieldDefaultConstraint() + + /** + * Get the default constraint for a table field + * + * @param string $table name of table that should be used in method + * @param string $field name of field that should be used in method + * + * @return mixed name of default constraint on success, a MDB2 error on failure + * @access private + */ + function _getTableFieldDefaultConstraint($table, $field) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $table = $db->quoteIdentifier($table, true); + $field = $db->quote($field, 'text'); + $query = "SELECT OBJECT_NAME(syscolumns.cdefault) + FROM syscolumns + WHERE syscolumns.id = object_id('$table') + AND syscolumns.name = $field + AND syscolumns.cdefault <> 0"; + return $db->queryOne($query); + } + + // }}} + // {{{ listTables() + + /** + * list all tables in the current database + * + * @return mixed array of table names on success, a MDB2 error on failure + * @access public + */ + function listTables() + { + $db =& $this->getDBInstance(); + + if (PEAR::isError($db)) { + return $db; + } + + $query = 'EXEC sp_tables @table_type = "\'TABLE\'"'; + $table_names = $db->queryCol($query, null, 2); + if (PEAR::isError($table_names)) { + return $table_names; + } + $result = array(); + foreach ($table_names as $table_name) { + if (!$this->_fixSequenceName($table_name, true)) { + $result[] = $table_name; + } + } + if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { + $result = array_map(($db->options['field_case'] == CASE_LOWER ? + 'strtolower' : 'strtoupper'), $result); + } + return $result; + } + + // }}} + // {{{ listTableFields() + + /** + * list all fields in a table in the current database + * + * @param string $table name of table that should be used in method + * + * @return mixed array of field names on success, a MDB2 error on failure + * @access public + */ + function listTableFields($table) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $table = $db->quoteIdentifier($table, true); + $columns = $db->queryCol("SELECT c.name + FROM syscolumns c + LEFT JOIN sysobjects o ON c.id = o.id + WHERE o.name = '$table'"); + if (PEAR::isError($columns)) { + return $columns; + } + if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { + $columns = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $columns); + } + return $columns; + } + + // }}} + // {{{ listTableIndexes() + + /** + * list all indexes in a table + * + * @param string $table name of table that should be used in method + * + * @return mixed array of index names on success, a MDB2 error on failure + * @access public + */ + function listTableIndexes($table) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $key_name = 'INDEX_NAME'; + $pk_name = 'PK_NAME'; + if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { + if ($db->options['field_case'] == CASE_LOWER) { + $key_name = strtolower($key_name); + $pk_name = strtolower($pk_name); + } else { + $key_name = strtoupper($key_name); + $pk_name = strtoupper($pk_name); + } + } + $table = $db->quote($table, 'text'); + $query = "EXEC sp_statistics @table_name=$table"; + $indexes = $db->queryCol($query, 'text', $key_name); + if (PEAR::isError($indexes)) { + return $indexes; + } + $query = "EXEC sp_pkeys @table_name=$table"; + $pk_all = $db->queryCol($query, 'text', $pk_name); + $result = array(); + foreach ($indexes as $index) { + if (!in_array($index, $pk_all) && ($index = $this->_fixIndexName($index))) { + $result[$index] = true; + } + } + + if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { + $result = array_change_key_case($result, $db->options['field_case']); + } + return array_keys($result); + } + + // }}} + // {{{ listDatabases() + + /** + * list all databases + * + * @return mixed array of database names on success, a MDB2 error on failure + * @access public + */ + function listDatabases() + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $result = $db->queryCol('SELECT name FROM sys.databases'); + if (PEAR::isError($result)) { + return $result; + } + if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { + $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result); + } + return $result; + } + + // }}} + // {{{ listUsers() + + /** + * list all users + * + * @return mixed array of user names on success, a MDB2 error on failure + * @access public + */ + function listUsers() + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $result = $db->queryCol('SELECT DISTINCT loginame FROM master..sysprocesses'); + if (PEAR::isError($result) || empty($result)) { + return $result; + } + foreach (array_keys($result) as $k) { + $result[$k] = trim($result[$k]); + } + return $result; + } + + // }}} + // {{{ listFunctions() + + /** + * list all functions in the current database + * + * @return mixed array of function names on success, a MDB2 error on failure + * @access public + */ + function listFunctions() + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $query = "SELECT name + FROM sysobjects + WHERE objectproperty(id, N'IsMSShipped') = 0 + AND (objectproperty(id, N'IsTableFunction') = 1 + OR objectproperty(id, N'IsScalarFunction') = 1)"; + /* + SELECT ROUTINE_NAME + FROM INFORMATION_SCHEMA.ROUTINES + WHERE ROUTINE_TYPE = 'FUNCTION' + */ + $result = $db->queryCol($query); + if (PEAR::isError($result)) { + return $result; + } + if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { + $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result); + } + return $result; + } + + // }}} + // {{{ listTableTriggers() + + /** + * list all triggers in the database that reference a given table + * + * @param string table for which all referenced triggers should be found + * + * @return mixed array of trigger names on success, otherwise, false which + * could be a db error if the db is not instantiated or could + * be the results of the error that occured during the + * querying of the sysobject module. + * @access public + */ + function listTableTriggers($table = null) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $table = $db->quote($table, 'text'); + $query = "SELECT o.name + FROM sysobjects o + WHERE xtype = 'TR' + AND OBJECTPROPERTY(o.id, 'IsMSShipped') = 0"; + if (!is_null($table)) { + $query .= " AND object_name(parent_obj) = $table"; + } + + $result = $db->queryCol($query); + if (PEAR::isError($result)) { + return $result; + } + + if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE && + $db->options['field_case'] == CASE_LOWER) + { + $result = array_map(($db->options['field_case'] == CASE_LOWER ? + 'strtolower' : 'strtoupper'), $result); + } + return $result; + } + + // }}} + // {{{ listViews() + + /** + * list all views in the current database + * + * @param string database, the current is default + * + * @return mixed array of view names on success, a MDB2 error on failure + * @access public + */ + function listViews() + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $query = "SELECT name + FROM sysobjects + WHERE xtype = 'V'"; + /* + SELECT * + FROM sysobjects + WHERE objectproperty(id, N'IsMSShipped') = 0 + AND objectproperty(id, N'IsView') = 1 + */ + + $result = $db->queryCol($query); + if (PEAR::isError($result)) { + return $result; + } + + if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE && + $db->options['field_case'] == CASE_LOWER) + { + $result = array_map(($db->options['field_case'] == CASE_LOWER ? + 'strtolower' : 'strtoupper'), $result); + } + return $result; + } + + // }}} + // {{{ dropIndex() + + /** + * drop existing index + * + * @param string $table name of table that should be used in method + * @param string $name name of the index to be dropped + * + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function dropIndex($table, $name) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $table = $db->quoteIdentifier($table, true); + $name = $db->quoteIdentifier($db->getIndexName($name), true); + return $db->exec("DROP INDEX $table.$name"); + } + + // }}} + // {{{ listTableConstraints() + + /** + * list all constraints in a table + * + * @param string $table name of table that should be used in method + * + * @return mixed array of constraint names on success, a MDB2 error on failure + * @access public + */ + function listTableConstraints($table) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + $table = $db->quoteIdentifier($table, true); + + $query = "SELECT c.constraint_name + FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS c + WHERE c.constraint_catalog = DB_NAME() + AND c.table_name = '$table'"; + $constraints = $db->queryCol($query); + if (PEAR::isError($constraints)) { + return $constraints; + } + + $result = array(); + foreach ($constraints as $constraint) { + $constraint = $this->_fixIndexName($constraint); + if (!empty($constraint)) { + $result[$constraint] = true; + } + } + + if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { + $result = array_change_key_case($result, $db->options['field_case']); + } + return array_keys($result); + } + + // }}} + // {{{ createSequence() + + /** + * create sequence + * + * @param string $seq_name name of the sequence to be created + * @param string $start start value of the sequence; default is 1 + * + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function createSequence($seq_name, $start = 1) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $sequence_name = $db->quoteIdentifier($db->getSequenceName($seq_name), true); + $seqcol_name = $db->quoteIdentifier($db->options['seqcol_name'], true); + $query = "CREATE TABLE $sequence_name ($seqcol_name " . + "INT PRIMARY KEY CLUSTERED IDENTITY($start,1) NOT NULL)"; + + $res = $db->exec($query); + if (PEAR::isError($res)) { + return $res; + } + + $query = "SET IDENTITY_INSERT $sequence_name ON ". + "INSERT INTO $sequence_name ($seqcol_name) VALUES ($start)"; + $res = $db->exec($query); + + if (!PEAR::isError($res)) { + return MDB2_OK; + } + + $result = $db->exec("DROP TABLE $sequence_name"); + if (PEAR::isError($result)) { + return $db->raiseError($result, null, null, + 'could not drop inconsistent sequence table', __FUNCTION__); + } + + return $db->raiseError($res, null, null, + 'could not create sequence table', __FUNCTION__); + } + + // }}} + // {{{ dropSequence() + + /** + * This function drops an existing sequence + * + * @param string $seq_name name of the sequence to be dropped + * + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function dropSequence($seq_name) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $sequence_name = $db->quoteIdentifier($db->getSequenceName($seq_name), true); + return $db->exec("DROP TABLE $sequence_name"); + } + + // }}} + // {{{ listSequences() + + /** + * list all sequences in the current database + * + * @return mixed array of sequence names on success, a MDB2 error on failure + * @access public + */ + function listSequences() + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $query = "SELECT name FROM sysobjects WHERE xtype = 'U'"; + $table_names = $db->queryCol($query); + if (PEAR::isError($table_names)) { + return $table_names; + } + $result = array(); + foreach ($table_names as $table_name) { + if ($sqn = $this->_fixSequenceName($table_name, true)) { + $result[] = $sqn; + } + } + if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { + $result = array_map(($db->options['field_case'] == CASE_LOWER ? + 'strtolower' : 'strtoupper'), $result); + } + return $result; + } + + // }}} +} + +// }}} ?>
\ No newline at end of file diff --git a/program/lib/MDB2/Driver/Manager/mysql.php b/program/lib/MDB2/Driver/Manager/mysql.php index 84109be27..a055d8d01 100644 --- a/program/lib/MDB2/Driver/Manager/mysql.php +++ b/program/lib/MDB2/Driver/Manager/mysql.php @@ -2,7 +2,7 @@ // +----------------------------------------------------------------------+
// | PHP versions 4 and 5 |
// +----------------------------------------------------------------------+
-// | Copyright (c) 1998-2007 Manuel Lemos, Tomas V.V.Cox, |
+// | Copyright (c) 1998-2008 Manuel Lemos, Tomas V.V.Cox, |
// | Stig. S. Bakken, Lukas Smith |
// | All rights reserved. |
// +----------------------------------------------------------------------+
@@ -42,7 +42,7 @@ // | Author: Lukas Smith <smith@pooteeweet.org> |
// +----------------------------------------------------------------------+
//
-// $Id: mysql.php,v 1.100 2007/12/03 20:59:15 quipo Exp $
+// $Id: mysql.php,v 1.108 2008/03/11 19:58:12 quipo Exp $
//
require_once 'MDB2/Driver/Manager/Common.php';
@@ -79,16 +79,41 @@ class MDB2_Driver_Manager_mysql extends MDB2_Driver_Manager_Common $name = $db->quoteIdentifier($name, true);
$query = 'CREATE DATABASE ' . $name;
if (!empty($options['charset'])) {
- $query .= ' DEFAULT CHARACTER SET ' . $options['charset'];
+ $query .= ' DEFAULT CHARACTER SET ' . $db->quote($options['charset'], 'text');
}
if (!empty($options['collation'])) {
- $query .= ' COLLATE ' . $options['collation'];
+ $query .= ' COLLATE ' . $db->quote($options['collation'], 'text');
}
- $result = $db->exec($query);
- if (PEAR::isError($result)) {
- return $result;
+ return $db->standaloneQuery($query, null, true);
+ }
+
+ // }}}
+ // {{{ alterDatabase()
+
+ /**
+ * alter an existing database
+ *
+ * @param string $name name of the database that is intended to be changed
+ * @param array $options array with charset, collation info
+ *
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function alterDatabase($name, $options = array())
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
}
- return MDB2_OK;
+
+ $query = 'ALTER DATABASE '. $db->quoteIdentifier($name, true);
+ if (!empty($options['charset'])) {
+ $query .= ' DEFAULT CHARACTER SET ' . $db->quote($options['charset'], 'text');
+ }
+ if (!empty($options['collation'])) {
+ $query .= ' COLLATE ' . $db->quote($options['collation'], 'text');
+ }
+ return $db->standaloneQuery($query, null, true);
}
// }}}
@@ -110,11 +135,7 @@ class MDB2_Driver_Manager_mysql extends MDB2_Driver_Manager_Common $name = $db->quoteIdentifier($name, true);
$query = "DROP DATABASE $name";
- $result = $db->exec($query);
- if (PEAR::isError($result)) {
- return $result;
- }
- return MDB2_OK;
+ return $db->standaloneQuery($query, null, true);
}
// }}}
@@ -188,11 +209,37 @@ class MDB2_Driver_Manager_mysql extends MDB2_Driver_Manager_Common return $db;
}
+ // if we have an AUTO_INCREMENT column and a PK on more than one field,
+ // we have to handle it differently...
+ $autoincrement = null;
+ if (empty($options['primary'])) {
+ $pk_fields = array();
+ foreach ($fields as $fieldname => $def) {
+ if (!empty($def['primary'])) {
+ $pk_fields[$fieldname] = true;
+ }
+ if (!empty($def['autoincrement'])) {
+ $autoincrement = $fieldname;
+ }
+ }
+ if (!is_null($autoincrement) && count($pk_fields) > 1) {
+ $options['primary'] = $pk_fields;
+ } else {
+ // the PK constraint is on max one field => OK
+ $autoincrement = null;
+ }
+ }
+
$query = $this->_getCreateTableQuery($name, $fields, $options);
if (PEAR::isError($query)) {
return $query;
}
+ if (!is_null($autoincrement)) {
+ // we have to remove the PK clause added by _getIntegerDeclaration()
+ $query = str_replace('AUTO_INCREMENT PRIMARY KEY', 'AUTO_INCREMENT', $query);
+ }
+
$options_strings = array();
if (!empty($options['comment'])) {
@@ -227,6 +274,112 @@ class MDB2_Driver_Manager_mysql extends MDB2_Driver_Manager_Common }
// }}}
+ // {{{ dropTable()
+
+ /**
+ * drop an existing table
+ *
+ * @param string $name name of the table that should be dropped
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function dropTable($name)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ //delete the triggers associated to existing FK constraints
+ $constraints = $this->listTableConstraints($name);
+ if (!PEAR::isError($constraints) && !empty($constraints)) {
+ $db->loadModule('Reverse', null, true);
+ foreach ($constraints as $constraint) {
+ $definition = $db->reverse->getTableConstraintDefinition($name, $constraint);
+ if (!PEAR::isError($definition) && !empty($definition['foreign'])) {
+ $result = $this->_dropFKTriggers($name, $constraint, $definition['references']['table']);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ }
+ }
+ }
+
+ return parent::dropTable($name);
+ }
+
+ // }}}
+ // {{{ truncateTable()
+
+ /**
+ * Truncate an existing table (if the TRUNCATE TABLE syntax is not supported,
+ * it falls back to a DELETE FROM TABLE query)
+ *
+ * @param string $name name of the table that should be truncated
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function truncateTable($name)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $name = $db->quoteIdentifier($name, true);
+ return $db->exec("TRUNCATE TABLE $name");
+ }
+
+ // }}}
+ // {{{ vacuum()
+
+ /**
+ * Optimize (vacuum) all the tables in the db (or only the specified table)
+ * and optionally run ANALYZE.
+ *
+ * @param string $table table name (all the tables if empty)
+ * @param array $options an array with driver-specific options:
+ * - timeout [int] (in seconds) [mssql-only]
+ * - analyze [boolean] [pgsql and mysql]
+ * - full [boolean] [pgsql-only]
+ * - freeze [boolean] [pgsql-only]
+ *
+ * @return mixed MDB2_OK success, a MDB2 error on failure
+ * @access public
+ */
+ function vacuum($table = null, $options = array())
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ if (empty($table)) {
+ $table = $this->listTables();
+ if (PEAR::isError($table)) {
+ return $table;
+ }
+ }
+ if (is_array($table)) {
+ foreach (array_keys($table) as $k) {
+ $table[$k] = $db->quoteIdentifier($table[$k], true);
+ }
+ $table = implode(', ', $table);
+ } else {
+ $table = $db->quoteIdentifier($table, true);
+ }
+
+ $result = $db->exec('OPTIMIZE TABLE '.$table);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ if (!empty($options['analyze'])) {
+ return $db->exec('ANALYZE TABLE '.$table);
+ }
+ return MDB2_OK;
+ }
+
+ // }}}
// {{{ alterTable()
/**
@@ -629,33 +782,34 @@ class MDB2_Driver_Manager_mysql extends MDB2_Driver_Manager_Common * Get the stucture of a field into an array
*
* @author Leoncx
- * @param string $table name of the table on which the index is to be created
- * @param string $name name of the index to be created
- * @param array $definition associative array that defines properties of the index to be created.
- * Currently, only one property named FIELDS is supported. This property
- * is also an associative with the names of the index fields as array
- * indexes. Each entry of this array is set to another type of associative
- * array that specifies properties of the index that are specific to
- * each field.
+ * @param string $table name of the table on which the index is to be created
+ * @param string $name name of the index to be created
+ * @param array $definition associative array that defines properties of the index to be created.
+ * Currently, only one property named FIELDS is supported. This property
+ * is also an associative with the names of the index fields as array
+ * indexes. Each entry of this array is set to another type of associative
+ * array that specifies properties of the index that are specific to
+ * each field.
*
- * Currently, only the sorting property is supported. It should be used
- * to define the sorting direction of the index. It may be set to either
- * ascending or descending.
+ * Currently, only the sorting property is supported. It should be used
+ * to define the sorting direction of the index. It may be set to either
+ * ascending or descending.
*
- * Not all DBMS support index sorting direction configuration. The DBMS
- * drivers of those that do not support it ignore this property. Use the
- * function supports() to determine whether the DBMS driver can manage indexes.
+ * Not all DBMS support index sorting direction configuration. The DBMS
+ * drivers of those that do not support it ignore this property. Use the
+ * function supports() to determine whether the DBMS driver can manage indexes.
*
- * Example
- * array(
- * 'fields' => array(
- * 'user_name' => array(
- * 'sorting' => 'ascending'
- * 'length' => 10
- * ),
- * 'last_login' => array()
- * )
+ * Example
+ * array(
+ * 'fields' => array(
+ * 'user_name' => array(
+ * 'sorting' => 'ascending'
+ * 'length' => 10
+ * ),
+ * 'last_login' => array()
* )
+ * )
+ *
* @return mixed MDB2_OK on success, a MDB2 error on failure
* @access public
*/
@@ -800,10 +954,10 @@ class MDB2_Driver_Manager_mysql extends MDB2_Driver_Manager_Common 'invalid definition, could not create constraint', __FUNCTION__);
}
- $table = $db->quoteIdentifier($table, true);
- $query = "ALTER TABLE $table ADD $type $name";
+ $table_quoted = $db->quoteIdentifier($table, true);
+ $query = "ALTER TABLE $table_quoted ADD $type $name";
if (!empty($definition['foreign'])) {
- $query .= ' FOREIGN KEY ';
+ $query .= ' FOREIGN KEY';
}
$fields = array();
foreach (array_keys($definition['fields']) as $field) {
@@ -819,7 +973,14 @@ class MDB2_Driver_Manager_mysql extends MDB2_Driver_Manager_Common $query .= ' ('. implode(', ', $referenced_fields) . ')';
$query .= $this->_getAdvancedFKOptions($definition);
}
- return $db->exec($query);
+ $res = $db->exec($query);
+ if (PEAR::isError($res)) {
+ return $res;
+ }
+ if (!empty($definition['foreign'])) {
+ return $this->_createFKTriggers($table, array($name => $definition));
+ }
+ return MDB2_OK;
}
// }}}
@@ -841,17 +1002,211 @@ class MDB2_Driver_Manager_mysql extends MDB2_Driver_Manager_Common return $db;
}
- $table = $db->quoteIdentifier($table, true);
if ($primary || strtolower($name) == 'primary') {
- $query = "ALTER TABLE $table DROP PRIMARY KEY";
- } else {
+ $query = 'ALTER TABLE '. $db->quoteIdentifier($table, true) .' DROP PRIMARY KEY';
+ return $db->exec($query);
+ }
+
+ //is it a FK constraint? If so, also delete the associated triggers
+ $db->loadModule('Reverse', null, true);
+ $definition = $db->reverse->getTableConstraintDefinition($table, $name);
+ if (!PEAR::isError($definition) && !empty($definition['foreign'])) {
+ //first drop the FK enforcing triggers
+ $result = $this->_dropFKTriggers($table, $name, $definition['references']['table']);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ //then drop the constraint itself
+ $table = $db->quoteIdentifier($table, true);
$name = $db->quoteIdentifier($db->getIndexName($name), true);
- $query = "ALTER TABLE $table DROP INDEX $name";
+ $query = "ALTER TABLE $table DROP FOREIGN KEY $name";
+ return $db->exec($query);
}
+
+ $table = $db->quoteIdentifier($table, true);
+ $name = $db->quoteIdentifier($db->getIndexName($name), true);
+ $query = "ALTER TABLE $table DROP INDEX $name";
return $db->exec($query);
}
// }}}
+ // {{{ _createFKTriggers()
+
+ /**
+ * Create triggers to enforce the FOREIGN KEY constraint on the table
+ *
+ * NB: since there's no RAISE_APPLICATION_ERROR facility in mysql,
+ * we call a non-existent procedure to raise the FK violation message.
+ * @see http://forums.mysql.com/read.php?99,55108,71877#msg-71877
+ *
+ * @param string $table table name
+ * @param array $foreign_keys FOREIGN KEY definitions
+ *
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access private
+ */
+ function _createFKTriggers($table, $foreign_keys)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+ // create triggers to enforce FOREIGN KEY constraints
+ if ($db->supports('triggers') && !empty($foreign_keys)) {
+ $table = $db->quoteIdentifier($table, true);
+ foreach ($foreign_keys as $fkname => $fkdef) {
+ if (empty($fkdef)) {
+ continue;
+ }
+ //set actions to 'RESTRICT' if not set
+ $fkdef['onupdate'] = empty($fkdef['onupdate']) ? 'RESTRICT' : strtoupper($fkdef['onupdate']);
+ $fkdef['ondelete'] = empty($fkdef['ondelete']) ? 'RESTRICT' : strtoupper($fkdef['ondelete']);
+
+ $trigger_names = array(
+ 'insert' => $fkname.'_insert_trg',
+ 'update' => $fkname.'_update_trg',
+ 'pk_update' => $fkname.'_pk_update_trg',
+ 'pk_delete' => $fkname.'_pk_delete_trg',
+ );
+ $table_fields = array_keys($fkdef['fields']);
+ $referenced_fields = array_keys($fkdef['references']['fields']);
+
+ //create the ON [UPDATE|DELETE] triggers on the primary table
+ $restrict_action = ' IF (SELECT ';
+ $aliased_fields = array();
+ foreach ($table_fields as $field) {
+ $aliased_fields[] = $table .'.'.$field .' AS '.$field;
+ }
+ $restrict_action .= implode(',', $aliased_fields)
+ .' FROM '.$table
+ .' WHERE ';
+ $conditions = array();
+ $new_values = array();
+ $null_values = array();
+ for ($i=0; $i<count($table_fields); $i++) {
+ $conditions[] = $table_fields[$i] .' = OLD.'.$referenced_fields[$i];
+ $new_values[] = $table_fields[$i] .' = NEW.'.$referenced_fields[$i];
+ $null_values[] = $table_fields[$i] .' = NULL';
+ }
+ $restrict_action .= implode(' AND ', $conditions).') IS NOT NULL'
+ .' THEN CALL %s_ON_TABLE_'.$table.'_VIOLATES_FOREIGN_KEY_CONSTRAINT();'
+ .' END IF;';
+
+ $cascade_action_update = 'UPDATE '.$table.' SET '.implode(', ', $new_values) .' WHERE '.implode(' AND ', $conditions). ';';
+ $cascade_action_delete = 'DELETE FROM '.$table.' WHERE '.implode(' AND ', $conditions). ';';
+ $setnull_action = 'UPDATE '.$table.' SET '.implode(', ', $null_values).' WHERE '.implode(' AND ', $conditions). ';';
+
+ if ('SET DEFAULT' == $fkdef['onupdate'] || 'SET DEFAULT' == $fkdef['ondelete']) {
+ $db->loadModule('Reverse', null, true);
+ $default_values = array();
+ foreach ($table_fields as $table_field) {
+ $field_definition = $db->reverse->getTableFieldDefinition($table, $field);
+ if (PEAR::isError($field_definition)) {
+ return $field_definition;
+ }
+ $default_values[] = $table_field .' = '. $field_definition[0]['default'];
+ }
+ $setdefault_action = 'UPDATE '.$table.' SET '.implode(', ', $default_values).' WHERE '.implode(' AND ', $conditions). ';';
+ }
+
+ $query = 'CREATE TRIGGER %s'
+ .' %s ON '.$fkdef['references']['table']
+ .' FOR EACH ROW BEGIN '
+ .' SET FOREIGN_KEY_CHECKS = 0; '; //only really needed for ON UPDATE CASCADE
+
+ if ('CASCADE' == $fkdef['onupdate']) {
+ $sql_update = sprintf($query, $trigger_names['pk_update'], 'BEFORE UPDATE', 'update') . $cascade_action_update;
+ } elseif ('SET NULL' == $fkdef['onupdate']) {
+ $sql_update = sprintf($query, $trigger_names['pk_update'], 'BEFORE UPDATE', 'update') . $setnull_action;
+ } elseif ('SET DEFAULT' == $fkdef['onupdate']) {
+ $sql_update = sprintf($query, $trigger_names['pk_update'], 'BEFORE UPDATE', 'update') . $setdefault_action;
+ } elseif ('NO ACTION' == $fkdef['onupdate']) {
+ $sql_update = sprintf($query.$restrict_action, $trigger_names['pk_update'], 'AFTER UPDATE', 'update');
+ } else {
+ //'RESTRICT'
+ $sql_update = sprintf($query.$restrict_action, $trigger_names['pk_update'], 'BEFORE UPDATE', 'update');
+ }
+ if ('CASCADE' == $fkdef['ondelete']) {
+ $sql_delete = sprintf($query, $trigger_names['pk_delete'], 'BEFORE DELETE', 'delete') . $cascade_action_delete;
+ } elseif ('SET NULL' == $fkdef['ondelete']) {
+ $sql_delete = sprintf($query, $trigger_names['pk_delete'], 'BEFORE DELETE', 'delete') . $setnull_action;
+ } elseif ('SET DEFAULT' == $fkdef['ondelete']) {
+ $sql_delete = sprintf($query, $trigger_names['pk_delete'], 'BEFORE DELETE', 'delete') . $setdefault_action;
+ } elseif ('NO ACTION' == $fkdef['ondelete']) {
+ $sql_delete = sprintf($query.$restrict_action, $trigger_names['pk_delete'], 'AFTER DELETE', 'delete');
+ } else {
+ //'RESTRICT'
+ $sql_delete = sprintf($query.$restrict_action, $trigger_names['pk_delete'], 'BEFORE DELETE', 'delete');
+ }
+ $sql_update .= ' SET FOREIGN_KEY_CHECKS = 1; END;';
+ $sql_delete .= ' SET FOREIGN_KEY_CHECKS = 1; END;';
+
+ $db->pushErrorHandling(PEAR_ERROR_RETURN);
+ $db->expectError(MDB2_ERROR_CANNOT_CREATE);
+ $result = $db->exec($sql_delete);
+ $expected_errmsg = 'This MySQL version doesn\'t support multiple triggers with the same action time and event for one table';
+ $db->popExpect();
+ $db->popErrorHandling();
+ if (PEAR::isError($result)) {
+ if ($result->getCode() != MDB2_ERROR_CANNOT_CREATE) {
+ return $result;
+ }
+ $db->warnings[] = $expected_errmsg;
+ }
+ $db->pushErrorHandling(PEAR_ERROR_RETURN);
+ $db->expectError(MDB2_ERROR_CANNOT_CREATE);
+ $result = $db->exec($sql_update);
+ $db->popExpect();
+ $db->popErrorHandling();
+ if (PEAR::isError($result) && $result->getCode() != MDB2_ERROR_CANNOT_CREATE) {
+ if ($result->getCode() != MDB2_ERROR_CANNOT_CREATE) {
+ return $result;
+ }
+ $db->warnings[] = $expected_errmsg;
+ }
+ }
+ }
+ return MDB2_OK;
+ }
+
+ // }}}
+ // {{{ _dropFKTriggers()
+
+ /**
+ * Drop the triggers created to enforce the FOREIGN KEY constraint on the table
+ *
+ * @param string $table table name
+ * @param string $fkname FOREIGN KEY constraint name
+ * @param string $referenced_table referenced table name
+ *
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access private
+ */
+ function _dropFKTriggers($table, $fkname, $referenced_table)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $triggers = $this->listTableTriggers($table);
+ $triggers2 = $this->listTableTriggers($referenced_table);
+ if (!PEAR::isError($triggers2) && !PEAR::isError($triggers)) {
+ $triggers = array_merge($triggers, $triggers2);
+ $pattern = '/^'.$fkname.'(_pk)?_(insert|update|delete)_trg$/i';
+ foreach ($triggers as $trigger) {
+ if (preg_match($pattern, $trigger)) {
+ $result = $db->exec('DROP TRIGGER '.$trigger);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ }
+ }
+ }
+ return MDB2_OK;
+ }
+
+ // }}}
// {{{ listTableConstraints()
/**
@@ -904,8 +1259,8 @@ class MDB2_Driver_Manager_mysql extends MDB2_Driver_Manager_Common $query = 'SHOW CREATE TABLE '. $db->escape($table);
$definition = $db->queryOne($query, 'text', 1);
if (!PEAR::isError($definition) && !empty($definition)) {
- $pattern = '/\bCONSTRAINT\s+([^\s]+)\s+FOREIGN KEY\b/i';
- if (preg_match_all($pattern, str_replace('`', '', $definition), $matches) > 1) {
+ $pattern = '/\bCONSTRAINT\b\s+([^\s]+)\s+\bFOREIGN KEY\b/Uims';
+ if (preg_match_all($pattern, str_replace('`', '', $definition), $matches) > 0) {
foreach ($matches[1] as $constraint) {
$result[$constraint] = true;
}
@@ -974,7 +1329,6 @@ class MDB2_Driver_Manager_mysql extends MDB2_Driver_Manager_Common $query .= ' '.implode(' ', $options_strings);
}
$res = $db->exec($query);
-
if (PEAR::isError($res)) {
return $res;
}
diff --git a/program/lib/MDB2/Driver/Manager/mysqli.php b/program/lib/MDB2/Driver/Manager/mysqli.php index 42782fca5..db4f875dd 100644 --- a/program/lib/MDB2/Driver/Manager/mysqli.php +++ b/program/lib/MDB2/Driver/Manager/mysqli.php @@ -2,7 +2,7 @@ // +----------------------------------------------------------------------+
// | PHP versions 4 and 5 |
// +----------------------------------------------------------------------+
-// | Copyright (c) 1998-2007 Manuel Lemos, Tomas V.V.Cox, |
+// | Copyright (c) 1998-2008 Manuel Lemos, Tomas V.V.Cox, |
// | Stig. S. Bakken, Lukas Smith |
// | All rights reserved. |
// +----------------------------------------------------------------------+
@@ -42,7 +42,7 @@ // | Author: Lukas Smith <smith@pooteeweet.org> |
// +----------------------------------------------------------------------+
//
-// $Id: mysqli.php,v 1.87 2007/12/03 20:59:15 quipo Exp $
+// $Id: mysqli.php,v 1.95 2008/03/11 19:58:12 quipo Exp $
//
require_once 'MDB2/Driver/Manager/Common.php';
@@ -79,16 +79,41 @@ class MDB2_Driver_Manager_mysqli extends MDB2_Driver_Manager_Common $name = $db->quoteIdentifier($name, true);
$query = 'CREATE DATABASE ' . $name;
if (!empty($options['charset'])) {
- $query .= ' DEFAULT CHARACTER SET ' . $options['charset'];
+ $query .= ' DEFAULT CHARACTER SET ' . $db->quote($options['charset'], 'text');
}
if (!empty($options['collation'])) {
- $query .= ' COLLATE ' . $options['collation'];
+ $query .= ' COLLATE ' . $db->quote($options['collation'], 'text');
}
- $result = $db->exec($query);
- if (PEAR::isError($result)) {
- return $result;
+ return $db->standaloneQuery($query, null, true);
+ }
+
+ // }}}
+ // {{{ alterDatabase()
+
+ /**
+ * alter an existing database
+ *
+ * @param string $name name of the database that is intended to be changed
+ * @param array $options array with charset, collation info
+ *
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function alterDatabase($name, $options = array())
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
}
- return MDB2_OK;
+
+ $query = 'ALTER DATABASE '. $db->quoteIdentifier($name, true);
+ if (!empty($options['charset'])) {
+ $query .= ' DEFAULT CHARACTER SET ' . $db->quote($options['charset'], 'text');
+ }
+ if (!empty($options['collation'])) {
+ $query .= ' COLLATE ' . $db->quote($options['collation'], 'text');
+ }
+ return $db->standaloneQuery($query, null, true);
}
// }}}
@@ -110,11 +135,7 @@ class MDB2_Driver_Manager_mysqli extends MDB2_Driver_Manager_Common $name = $db->quoteIdentifier($name, true);
$query = "DROP DATABASE $name";
- $result = $db->exec($query);
- if (PEAR::isError($result)) {
- return $result;
- }
- return MDB2_OK;
+ return $db->standaloneQuery($query, null, true);
}
// }}}
@@ -188,11 +209,37 @@ class MDB2_Driver_Manager_mysqli extends MDB2_Driver_Manager_Common return $db;
}
+ // if we have an AUTO_INCREMENT column and a PK on more than one field,
+ // we have to handle it differently...
+ $autoincrement = null;
+ if (empty($options['primary'])) {
+ $pk_fields = array();
+ foreach ($fields as $fieldname => $def) {
+ if (!empty($def['primary'])) {
+ $pk_fields[$fieldname] = true;
+ }
+ if (!empty($def['autoincrement'])) {
+ $autoincrement = $fieldname;
+ }
+ }
+ if (!is_null($autoincrement) && count($pk_fields) > 1) {
+ $options['primary'] = $pk_fields;
+ } else {
+ // the PK constraint is on max one field => OK
+ $autoincrement = null;
+ }
+ }
+
$query = $this->_getCreateTableQuery($name, $fields, $options);
if (PEAR::isError($query)) {
return $query;
}
+ if (!is_null($autoincrement)) {
+ // we have to remove the PK clause added by _getIntegerDeclaration()
+ $query = str_replace('AUTO_INCREMENT PRIMARY KEY', 'AUTO_INCREMENT', $query);
+ }
+
$options_strings = array();
if (!empty($options['comment'])) {
@@ -227,6 +274,112 @@ class MDB2_Driver_Manager_mysqli extends MDB2_Driver_Manager_Common }
// }}}
+ // {{{ dropTable()
+
+ /**
+ * drop an existing table
+ *
+ * @param string $name name of the table that should be dropped
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function dropTable($name)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ //delete the triggers associated to existing FK constraints
+ $constraints = $this->listTableConstraints($name);
+ if (!PEAR::isError($constraints) && !empty($constraints)) {
+ $db->loadModule('Reverse', null, true);
+ foreach ($constraints as $constraint) {
+ $definition = $db->reverse->getTableConstraintDefinition($name, $constraint);
+ if (!PEAR::isError($definition) && !empty($definition['foreign'])) {
+ $result = $this->_dropFKTriggers($name, $constraint, $definition['references']['table']);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ }
+ }
+ }
+
+ return parent::dropTable($name);
+ }
+
+ // }}}
+ // {{{ truncateTable()
+
+ /**
+ * Truncate an existing table (if the TRUNCATE TABLE syntax is not supported,
+ * it falls back to a DELETE FROM TABLE query)
+ *
+ * @param string $name name of the table that should be truncated
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function truncateTable($name)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $name = $db->quoteIdentifier($name, true);
+ return $db->exec("TRUNCATE TABLE $name");
+ }
+
+ // }}}
+ // {{{ vacuum()
+
+ /**
+ * Optimize (vacuum) all the tables in the db (or only the specified table)
+ * and optionally run ANALYZE.
+ *
+ * @param string $table table name (all the tables if empty)
+ * @param array $options an array with driver-specific options:
+ * - timeout [int] (in seconds) [mssql-only]
+ * - analyze [boolean] [pgsql and mysql]
+ * - full [boolean] [pgsql-only]
+ * - freeze [boolean] [pgsql-only]
+ *
+ * @return mixed MDB2_OK success, a MDB2 error on failure
+ * @access public
+ */
+ function vacuum($table = null, $options = array())
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ if (empty($table)) {
+ $table = $this->listTables();
+ if (PEAR::isError($table)) {
+ return $table;
+ }
+ }
+ if (is_array($table)) {
+ foreach (array_keys($table) as $k) {
+ $table[$k] = $db->quoteIdentifier($table[$k], true);
+ }
+ $table = implode(', ', $table);
+ } else {
+ $table = $db->quoteIdentifier($table, true);
+ }
+
+ $result = $db->exec('OPTIMIZE TABLE '.$table);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ if (!empty($options['analyze'])) {
+ return $db->exec('ANALYZE TABLE '.$table);
+ }
+ return MDB2_OK;
+ }
+
+ // }}}
// {{{ alterTable()
/**
@@ -656,6 +809,7 @@ class MDB2_Driver_Manager_mysqli extends MDB2_Driver_Manager_Common * 'last_login' => array()
* )
* )
+ *
* @return mixed MDB2_OK on success, a MDB2 error on failure
* @access public
*/
@@ -800,10 +954,10 @@ class MDB2_Driver_Manager_mysqli extends MDB2_Driver_Manager_Common 'invalid definition, could not create constraint', __FUNCTION__);
}
- $table = $db->quoteIdentifier($table, true);
- $query = "ALTER TABLE $table ADD $type $name";
+ $table_quoted = $db->quoteIdentifier($table, true);
+ $query = "ALTER TABLE $table_quoted ADD $type $name";
if (!empty($definition['foreign'])) {
- $query .= ' FOREIGN KEY ';
+ $query .= ' FOREIGN KEY';
}
$fields = array();
foreach (array_keys($definition['fields']) as $field) {
@@ -819,7 +973,14 @@ class MDB2_Driver_Manager_mysqli extends MDB2_Driver_Manager_Common $query .= ' ('. implode(', ', $referenced_fields) . ')';
$query .= $this->_getAdvancedFKOptions($definition);
}
- return $db->exec($query);
+ $res = $db->exec($query);
+ if (PEAR::isError($res)) {
+ return $res;
+ }
+ if (!empty($definition['foreign'])) {
+ return $this->_createFKTriggers($table, array($name => $definition));
+ }
+ return MDB2_OK;
}
// }}}
@@ -840,18 +1001,212 @@ class MDB2_Driver_Manager_mysqli extends MDB2_Driver_Manager_Common if (PEAR::isError($db)) {
return $db;
}
-
- $table = $db->quoteIdentifier($table, true);
+
if ($primary || strtolower($name) == 'primary') {
- $query = "ALTER TABLE $table DROP PRIMARY KEY";
- } else {
+ $query = 'ALTER TABLE '. $db->quoteIdentifier($table, true) .' DROP PRIMARY KEY';
+ return $db->exec($query);
+ }
+
+ //is it a FK constraint? If so, also delete the associated triggers
+ $db->loadModule('Reverse', null, true);
+ $definition = $db->reverse->getTableConstraintDefinition($table, $name);
+ if (!PEAR::isError($definition) && !empty($definition['foreign'])) {
+ //first drop the FK enforcing triggers
+ $result = $this->_dropFKTriggers($table, $name, $definition['references']['table']);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ //then drop the constraint itself
+ $table = $db->quoteIdentifier($table, true);
$name = $db->quoteIdentifier($db->getIndexName($name), true);
- $query = "ALTER TABLE $table DROP INDEX $name";
+ $query = "ALTER TABLE $table DROP FOREIGN KEY $name";
+ return $db->exec($query);
}
+
+ $table = $db->quoteIdentifier($table, true);
+ $name = $db->quoteIdentifier($db->getIndexName($name), true);
+ $query = "ALTER TABLE $table DROP INDEX $name";
return $db->exec($query);
}
// }}}
+ // {{{ _createFKTriggers()
+
+ /**
+ * Create triggers to enforce the FOREIGN KEY constraint on the table
+ *
+ * NB: since there's no RAISE_APPLICATION_ERROR facility in mysql,
+ * we call a non-existent procedure to raise the FK violation message.
+ * @see http://forums.mysql.com/read.php?99,55108,71877#msg-71877
+ *
+ * @param string $table table name
+ * @param array $foreign_keys FOREIGN KEY definitions
+ *
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access private
+ */
+ function _createFKTriggers($table, $foreign_keys)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+ // create triggers to enforce FOREIGN KEY constraints
+ if ($db->supports('triggers') && !empty($foreign_keys)) {
+ $table = $db->quoteIdentifier($table, true);
+ foreach ($foreign_keys as $fkname => $fkdef) {
+ if (empty($fkdef)) {
+ continue;
+ }
+ //set actions to 'RESTRICT' if not set
+ $fkdef['onupdate'] = empty($fkdef['onupdate']) ? 'RESTRICT' : strtoupper($fkdef['onupdate']);
+ $fkdef['ondelete'] = empty($fkdef['ondelete']) ? 'RESTRICT' : strtoupper($fkdef['ondelete']);
+
+ $trigger_names = array(
+ 'insert' => $fkname.'_insert_trg',
+ 'update' => $fkname.'_update_trg',
+ 'pk_update' => $fkname.'_pk_update_trg',
+ 'pk_delete' => $fkname.'_pk_delete_trg',
+ );
+ $table_fields = array_keys($fkdef['fields']);
+ $referenced_fields = array_keys($fkdef['references']['fields']);
+
+ //create the ON [UPDATE|DELETE] triggers on the primary table
+ $restrict_action = ' IF (SELECT ';
+ $aliased_fields = array();
+ foreach ($table_fields as $field) {
+ $aliased_fields[] = $table .'.'.$field .' AS '.$field;
+ }
+ $restrict_action .= implode(',', $aliased_fields)
+ .' FROM '.$table
+ .' WHERE ';
+ $conditions = array();
+ $new_values = array();
+ $null_values = array();
+ for ($i=0; $i<count($table_fields); $i++) {
+ $conditions[] = $table_fields[$i] .' = OLD.'.$referenced_fields[$i];
+ $new_values[] = $table_fields[$i] .' = NEW.'.$referenced_fields[$i];
+ $null_values[] = $table_fields[$i] .' = NULL';
+ }
+ $restrict_action .= implode(' AND ', $conditions).') IS NOT NULL'
+ .' THEN CALL %s_ON_TABLE_'.$table.'_VIOLATES_FOREIGN_KEY_CONSTRAINT();'
+ .' END IF;';
+
+ $cascade_action_update = 'UPDATE '.$table.' SET '.implode(', ', $new_values) .' WHERE '.implode(' AND ', $conditions). ';';
+ $cascade_action_delete = 'DELETE FROM '.$table.' WHERE '.implode(' AND ', $conditions). ';';
+ $setnull_action = 'UPDATE '.$table.' SET '.implode(', ', $null_values).' WHERE '.implode(' AND ', $conditions). ';';
+
+ if ('SET DEFAULT' == $fkdef['onupdate'] || 'SET DEFAULT' == $fkdef['ondelete']) {
+ $db->loadModule('Reverse', null, true);
+ $default_values = array();
+ foreach ($table_fields as $table_field) {
+ $field_definition = $db->reverse->getTableFieldDefinition($table, $field);
+ if (PEAR::isError($field_definition)) {
+ return $field_definition;
+ }
+ $default_values[] = $table_field .' = '. $field_definition[0]['default'];
+ }
+ $setdefault_action = 'UPDATE '.$table.' SET '.implode(', ', $default_values).' WHERE '.implode(' AND ', $conditions). ';';
+ }
+
+ $query = 'CREATE TRIGGER %s'
+ .' %s ON '.$fkdef['references']['table']
+ .' FOR EACH ROW BEGIN '
+ .' SET FOREIGN_KEY_CHECKS = 0; '; //only really needed for ON UPDATE CASCADE
+
+ if ('CASCADE' == $fkdef['onupdate']) {
+ $sql_update = sprintf($query, $trigger_names['pk_update'], 'BEFORE UPDATE', 'update') . $cascade_action_update;
+ } elseif ('SET NULL' == $fkdef['onupdate']) {
+ $sql_update = sprintf($query, $trigger_names['pk_update'], 'BEFORE UPDATE', 'update') . $setnull_action;
+ } elseif ('SET DEFAULT' == $fkdef['onupdate']) {
+ $sql_update = sprintf($query, $trigger_names['pk_update'], 'BEFORE UPDATE', 'update') . $setdefault_action;
+ } elseif ('NO ACTION' == $fkdef['onupdate']) {
+ $sql_update = sprintf($query.$restrict_action, $trigger_names['pk_update'], 'AFTER UPDATE', 'update');
+ } else {
+ //'RESTRICT'
+ $sql_update = sprintf($query.$restrict_action, $trigger_names['pk_update'], 'BEFORE UPDATE', 'update');
+ }
+ if ('CASCADE' == $fkdef['ondelete']) {
+ $sql_delete = sprintf($query, $trigger_names['pk_delete'], 'BEFORE DELETE', 'delete') . $cascade_action_delete;
+ } elseif ('SET NULL' == $fkdef['ondelete']) {
+ $sql_delete = sprintf($query, $trigger_names['pk_delete'], 'BEFORE DELETE', 'delete') . $setnull_action;
+ } elseif ('SET DEFAULT' == $fkdef['ondelete']) {
+ $sql_delete = sprintf($query, $trigger_names['pk_delete'], 'BEFORE DELETE', 'delete') . $setdefault_action;
+ } elseif ('NO ACTION' == $fkdef['ondelete']) {
+ $sql_delete = sprintf($query.$restrict_action, $trigger_names['pk_delete'], 'AFTER DELETE', 'delete');
+ } else {
+ //'RESTRICT'
+ $sql_delete = sprintf($query.$restrict_action, $trigger_names['pk_delete'], 'BEFORE DELETE', 'delete');
+ }
+ $sql_update .= ' SET FOREIGN_KEY_CHECKS = 1; END;';
+ $sql_delete .= ' SET FOREIGN_KEY_CHECKS = 1; END;';
+
+ $db->pushErrorHandling(PEAR_ERROR_RETURN);
+ $db->expectError(MDB2_ERROR_CANNOT_CREATE);
+ $result = $db->exec($sql_delete);
+ $expected_errmsg = 'This MySQL version doesn\'t support multiple triggers with the same action time and event for one table';
+ $db->popExpect();
+ $db->popErrorHandling();
+ if (PEAR::isError($result)) {
+ if ($result->getCode() != MDB2_ERROR_CANNOT_CREATE) {
+ return $result;
+ }
+ $db->warnings[] = $expected_errmsg;
+ }
+ $db->pushErrorHandling(PEAR_ERROR_RETURN);
+ $db->expectError(MDB2_ERROR_CANNOT_CREATE);
+ $result = $db->exec($sql_update);
+ $db->popExpect();
+ $db->popErrorHandling();
+ if (PEAR::isError($result) && $result->getCode() != MDB2_ERROR_CANNOT_CREATE) {
+ if ($result->getCode() != MDB2_ERROR_CANNOT_CREATE) {
+ return $result;
+ }
+ $db->warnings[] = $expected_errmsg;
+ }
+ }
+ }
+ return MDB2_OK;
+ }
+
+ // }}}
+ // {{{ _dropFKTriggers()
+
+ /**
+ * Drop the triggers created to enforce the FOREIGN KEY constraint on the table
+ *
+ * @param string $table table name
+ * @param string $fkname FOREIGN KEY constraint name
+ * @param string $referenced_table referenced table name
+ *
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access private
+ */
+ function _dropFKTriggers($table, $fkname, $referenced_table)
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $triggers = $this->listTableTriggers($table);
+ $triggers2 = $this->listTableTriggers($referenced_table);
+ if (!PEAR::isError($triggers2) && !PEAR::isError($triggers)) {
+ $triggers = array_merge($triggers, $triggers2);
+ $pattern = '/^'.$fkname.'(_pk)?_(insert|update|delete)_trg$/i';
+ foreach ($triggers as $trigger) {
+ if (preg_match($pattern, $trigger)) {
+ $result = $db->exec('DROP TRIGGER '.$trigger);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ }
+ }
+ }
+ return MDB2_OK;
+ }
+
+ // }}}
// {{{ listTableConstraints()
/**
@@ -904,8 +1259,8 @@ class MDB2_Driver_Manager_mysqli extends MDB2_Driver_Manager_Common $query = 'SHOW CREATE TABLE '. $db->escape($table);
$definition = $db->queryOne($query, 'text', 1);
if (!PEAR::isError($definition) && !empty($definition)) {
- $pattern = '/\bCONSTRAINT\s+([^\s]+)\s+FOREIGN KEY\b/i';
- if (preg_match_all($pattern, str_replace('`', '', $definition), $matches) > 1) {
+ $pattern = '/\bCONSTRAINT\b\s+([^\s]+)\s+\bFOREIGN KEY\b/Uims';
+ if (preg_match_all($pattern, str_replace('`', '', $definition), $matches) > 0) {
foreach ($matches[1] as $constraint) {
$result[$constraint] = true;
}
@@ -969,10 +1324,6 @@ class MDB2_Driver_Manager_mysqli extends MDB2_Driver_Manager_Common $options_strings[] = "ENGINE = $type";
}
- if (!empty($options_strings)) {
- $query.= ' '.implode(' ', $options_strings);
- }
-
$query = "CREATE TABLE $sequence_name ($seqcol_name INT NOT NULL AUTO_INCREMENT, PRIMARY KEY ($seqcol_name))";
if (!empty($options_strings)) {
$query .= ' '.implode(' ', $options_strings);
diff --git a/program/lib/MDB2/Driver/Manager/pgsql.php b/program/lib/MDB2/Driver/Manager/pgsql.php index d5ebbc840..1015c2bef 100644 --- a/program/lib/MDB2/Driver/Manager/pgsql.php +++ b/program/lib/MDB2/Driver/Manager/pgsql.php @@ -1,765 +1,859 @@ -<?php
-// +----------------------------------------------------------------------+
-// | PHP versions 4 and 5 |
-// +----------------------------------------------------------------------+
-// | Copyright (c) 1998-2007 Manuel Lemos, Tomas V.V.Cox, |
-// | Stig. S. Bakken, Lukas Smith |
-// | All rights reserved. |
-// +----------------------------------------------------------------------+
-// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB |
-// | API as well as database abstraction for PHP applications. |
-// | This LICENSE is in the BSD license style. |
-// | |
-// | Redistribution and use in source and binary forms, with or without |
-// | modification, are permitted provided that the following conditions |
-// | are met: |
-// | |
-// | Redistributions of source code must retain the above copyright |
-// | notice, this list of conditions and the following disclaimer. |
-// | |
-// | Redistributions in binary form must reproduce the above copyright |
-// | notice, this list of conditions and the following disclaimer in the |
-// | documentation and/or other materials provided with the distribution. |
-// | |
-// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, |
-// | Lukas Smith nor the names of his contributors may be used to endorse |
-// | or promote products derived from this software without specific prior|
-// | written permission. |
-// | |
-// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
-// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
-// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
-// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
-// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
-// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
-// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
-// | OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
-// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
-// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
-// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
-// | POSSIBILITY OF SUCH DAMAGE. |
-// +----------------------------------------------------------------------+
-// | Author: Paul Cooper <pgc@ucecom.com> |
-// +----------------------------------------------------------------------+
-//
-// $Id: pgsql.php,v 1.74 2007/12/03 20:59:15 quipo Exp $
-
-require_once 'MDB2/Driver/Manager/Common.php';
-
-/**
- * MDB2 MySQL driver for the management modules
- *
- * @package MDB2
- * @category Database
- * @author Paul Cooper <pgc@ucecom.com>
- */
-class MDB2_Driver_Manager_pgsql extends MDB2_Driver_Manager_Common
-{
- // {{{ createDatabase()
-
- /**
- * create a new database
- *
- * @param string $name name of the database that should be created
- * @param array $options array with charset info
- *
- * @return mixed MDB2_OK on success, a MDB2 error on failure
- * @access public
- */
- function createDatabase($name, $options = array())
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $name = $db->quoteIdentifier($name, true);
- $query = 'CREATE DATABASE ' . $name;
- if (!empty($options['charset'])) {
- $query .= ' WITH ENCODING ' . $db->quote($options['charset'], 'text');
- }
- return $db->standaloneQuery($query, null, true);
- }
-
- // }}}
- // {{{ dropDatabase()
-
- /**
- * drop an existing database
- *
- * @param string $name name of the database that should be dropped
- * @return mixed MDB2_OK on success, a MDB2 error on failure
- * @access public
- */
- function dropDatabase($name)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $name = $db->quoteIdentifier($name, true);
- return $db->standaloneQuery("DROP DATABASE $name", null, true);
- }
-
- // }}}
- // {{{ _getAdvancedFKOptions()
-
- /**
- * Return the FOREIGN KEY query section dealing with non-standard options
- * as MATCH, INITIALLY DEFERRED, ON UPDATE, ...
- *
- * @param array $definition
- * @return string
- * @access protected
- */
- function _getAdvancedFKOptions($definition)
- {
- $query = '';
- if (!empty($definition['match'])) {
- $query .= ' MATCH '.$definition['match'];
- }
- if (!empty($definition['onupdate'])) {
- $query .= ' ON UPDATE '.$definition['onupdate'];
- }
- if (!empty($definition['ondelete'])) {
- $query .= ' ON DELETE '.$definition['ondelete'];
- }
- if (!empty($definition['deferrable'])) {
- $query .= ' DEFERRABLE';
- } else {
- $query .= ' NOT DEFERRABLE';
- }
- if (!empty($definition['initiallydeferred'])) {
- $query .= ' INITIALLY DEFERRED';
- } else {
- $query .= ' INITIALLY IMMEDIATE';
- }
- return $query;
- }
-
- // }}}
- // {{{ alterTable()
-
- /**
- * alter an existing table
- *
- * @param string $name name of the table that is intended to be changed.
- * @param array $changes associative array that contains the details of each type
- * of change that is intended to be performed. The types of
- * changes that are currently supported are defined as follows:
- *
- * name
- *
- * New name for the table.
- *
- * add
- *
- * Associative array with the names of fields to be added as
- * indexes of the array. The value of each entry of the array
- * should be set to another associative array with the properties
- * of the fields to be added. The properties of the fields should
- * be the same as defined by the MDB2 parser.
- *
- *
- * remove
- *
- * Associative array with the names of fields to be removed as indexes
- * of the array. Currently the values assigned to each entry are ignored.
- * An empty array should be used for future compatibility.
- *
- * rename
- *
- * Associative array with the names of fields to be renamed as indexes
- * of the array. The value of each entry of the array should be set to
- * another associative array with the entry named name with the new
- * field name and the entry named Declaration that is expected to contain
- * the portion of the field declaration already in DBMS specific SQL code
- * as it is used in the CREATE TABLE statement.
- *
- * change
- *
- * Associative array with the names of the fields to be changed as indexes
- * of the array. Keep in mind that if it is intended to change either the
- * name of a field and any other properties, the change array entries
- * should have the new names of the fields as array indexes.
- *
- * The value of each entry of the array should be set to another associative
- * array with the properties of the fields to that are meant to be changed as
- * array entries. These entries should be assigned to the new values of the
- * respective properties. The properties of the fields should be the same
- * as defined by the MDB2 parser.
- *
- * Example
- * array(
- * 'name' => 'userlist',
- * 'add' => array(
- * 'quota' => array(
- * 'type' => 'integer',
- * 'unsigned' => 1
- * )
- * ),
- * 'remove' => array(
- * 'file_limit' => array(),
- * 'time_limit' => array()
- * ),
- * 'change' => array(
- * 'name' => array(
- * 'length' => '20',
- * 'definition' => array(
- * 'type' => 'text',
- * 'length' => 20,
- * ),
- * )
- * ),
- * 'rename' => array(
- * 'sex' => array(
- * 'name' => 'gender',
- * 'definition' => array(
- * 'type' => 'text',
- * 'length' => 1,
- * 'default' => 'M',
- * ),
- * )
- * )
- * )
- *
- * @param boolean $check indicates whether the function should just check if the DBMS driver
- * can perform the requested table alterations if the value is true or
- * actually perform them otherwise.
- * @access public
- *
- * @return mixed MDB2_OK on success, a MDB2 error on failure
- */
- function alterTable($name, $changes, $check)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- foreach ($changes as $change_name => $change) {
- switch ($change_name) {
- case 'add':
- case 'remove':
- case 'change':
- case 'name':
- case 'rename':
- break;
- default:
- return $db->raiseError(MDB2_ERROR_CANNOT_ALTER, null, null,
- 'change type "'.$change_name.'\" not yet supported', __FUNCTION__);
- }
- }
-
- if ($check) {
- return MDB2_OK;
- }
-
- if (!empty($changes['add']) && is_array($changes['add'])) {
- foreach ($changes['add'] as $field_name => $field) {
- $query = 'ADD ' . $db->getDeclaration($field['type'], $field_name, $field);
- $result = $db->exec("ALTER TABLE $name $query");
- if (PEAR::isError($result)) {
- return $result;
- }
- }
- }
-
- if (!empty($changes['remove']) && is_array($changes['remove'])) {
- foreach ($changes['remove'] as $field_name => $field) {
- $field_name = $db->quoteIdentifier($field_name, true);
- $query = 'DROP ' . $field_name;
- $result = $db->exec("ALTER TABLE $name $query");
- if (PEAR::isError($result)) {
- return $result;
- }
- }
- }
-
- if (!empty($changes['change']) && is_array($changes['change'])) {
- foreach ($changes['change'] as $field_name => $field) {
- $field_name = $db->quoteIdentifier($field_name, true);
- if (!empty($field['definition']['type'])) {
- $server_info = $db->getServerVersion();
- if (PEAR::isError($server_info)) {
- return $server_info;
- }
- if (is_array($server_info) && $server_info['major'] < 8) {
- return $db->raiseError(MDB2_ERROR_CANNOT_ALTER, null, null,
- 'changing column type for "'.$change_name.'\" requires PostgreSQL 8.0 or above', __FUNCTION__);
- }
- $db->loadModule('Datatype', null, true);
- $query = "ALTER $field_name TYPE ".$db->datatype->getTypeDeclaration($field['definition']);
- $result = $db->exec("ALTER TABLE $name $query");
- if (PEAR::isError($result)) {
- return $result;
- }
- }
- if (array_key_exists('default', $field['definition'])) {
- $query = "ALTER $field_name SET DEFAULT ".$db->quote($field['definition']['default'], $field['definition']['type']);
- $result = $db->exec("ALTER TABLE $name $query");
- if (PEAR::isError($result)) {
- return $result;
- }
- }
- if (!empty($field['definition']['notnull'])) {
- $query = "ALTER $field_name ".($field['definition']['notnull'] ? 'SET' : 'DROP').' NOT NULL';
- $result = $db->exec("ALTER TABLE $name $query");
- if (PEAR::isError($result)) {
- return $result;
- }
- }
- }
- }
-
- if (!empty($changes['rename']) && is_array($changes['rename'])) {
- foreach ($changes['rename'] as $field_name => $field) {
- $field_name = $db->quoteIdentifier($field_name, true);
- $result = $db->exec("ALTER TABLE $name RENAME COLUMN $field_name TO ".$db->quoteIdentifier($field['name'], true));
- if (PEAR::isError($result)) {
- return $result;
- }
- }
- }
-
- $name = $db->quoteIdentifier($name, true);
- if (!empty($changes['name'])) {
- $change_name = $db->quoteIdentifier($changes['name'], true);
- $result = $db->exec("ALTER TABLE $name RENAME TO ".$change_name);
- if (PEAR::isError($result)) {
- return $result;
- }
- }
-
- return MDB2_OK;
- }
-
- // }}}
- // {{{ listDatabases()
-
- /**
- * list all databases
- *
- * @return mixed array of database names on success, a MDB2 error on failure
- * @access public
- */
- function listDatabases()
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $query = 'SELECT datname FROM pg_database';
- $result2 = $db->standaloneQuery($query, array('text'), false);
- if (!MDB2::isResultCommon($result2)) {
- return $result2;
- }
-
- $result = $result2->fetchCol();
- $result2->free();
- if (PEAR::isError($result)) {
- return $result;
- }
- if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
- $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
- }
- return $result;
- }
-
- // }}}
- // {{{ listUsers()
-
- /**
- * list all users
- *
- * @return mixed array of user names on success, a MDB2 error on failure
- * @access public
- */
- function listUsers()
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $query = 'SELECT usename FROM pg_user';
- $result2 = $db->standaloneQuery($query, array('text'), false);
- if (!MDB2::isResultCommon($result2)) {
- return $result2;
- }
-
- $result = $result2->fetchCol();
- $result2->free();
- return $result;
- }
-
- // }}}
- // {{{ listViews()
-
- /**
- * list all views in the current database
- *
- * @return mixed array of view names on success, a MDB2 error on failure
- * @access public
- */
- function listViews()
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $query = "SELECT viewname
- FROM pg_views
- WHERE schemaname NOT IN ('pg_catalog', 'information_schema')
- AND viewname !~ '^pg_'";
- $result = $db->queryCol($query);
- if (PEAR::isError($result)) {
- return $result;
- }
- if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
- $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
- }
- return $result;
- }
-
- // }}}
- // {{{ listTableViews()
-
- /**
- * list the views in the database that reference a given table
- *
- * @param string table for which all referenced views should be found
- * @return mixed array of view names on success, a MDB2 error on failure
- * @access public
- */
- function listTableViews($table)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $query = 'SELECT viewname FROM pg_views NATURAL JOIN pg_tables';
- $query.= ' WHERE tablename ='.$db->quote($table, 'text');
- $result = $db->queryCol($query);
- if (PEAR::isError($result)) {
- return $result;
- }
- if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
- $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
- }
- return $result;
- }
-
- // }}}
- // {{{ listFunctions()
-
- /**
- * list all functions in the current database
- *
- * @return mixed array of function names on success, a MDB2 error on failure
- * @access public
- */
- function listFunctions()
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $query = "
- SELECT
- proname
- FROM
- pg_proc pr,
- pg_type tp
- WHERE
- tp.oid = pr.prorettype
- AND pr.proisagg = FALSE
- AND tp.typname <> 'trigger'
- AND pr.pronamespace IN
- (SELECT oid FROM pg_namespace WHERE nspname NOT LIKE 'pg_%' AND nspname != 'information_schema')";
- $result = $db->queryCol($query);
- if (PEAR::isError($result)) {
- return $result;
- }
- if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
- $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
- }
- return $result;
- }
-
- // }}}
- // {{{ listTableTriggers()
-
- /**
- * list all triggers in the database that reference a given table
- *
- * @param string table for which all referenced triggers should be found
- * @return mixed array of trigger names on success, a MDB2 error on failure
- * @access public
- */
- function listTableTriggers($table = null)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $query = 'SELECT trg.tgname AS trigger_name
- FROM pg_trigger trg,
- pg_class tbl
- WHERE trg.tgrelid = tbl.oid';
- if (!is_null($table)) {
- $table = $db->quote(strtoupper($table), 'text');
- $query .= " AND tbl.relname = $table";
- }
- $result = $db->queryCol($query);
- if (PEAR::isError($result)) {
- return $result;
- }
- if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
- $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
- }
- return $result;
- }
-
- // }}}
- // {{{ listTables()
-
- /**
- * list all tables in the current database
- *
- * @return mixed array of table names on success, a MDB2 error on failure
- * @access public
- */
- function listTables()
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- // gratuitously stolen from PEAR DB _getSpecialQuery in pgsql.php
- $query = 'SELECT c.relname AS "Name"'
- . ' FROM pg_class c, pg_user u'
- . ' WHERE c.relowner = u.usesysid'
- . " AND c.relkind = 'r'"
- . ' AND NOT EXISTS'
- . ' (SELECT 1 FROM pg_views'
- . ' WHERE viewname = c.relname)'
- . " AND c.relname !~ '^(pg_|sql_)'"
- . ' UNION'
- . ' SELECT c.relname AS "Name"'
- . ' FROM pg_class c'
- . " WHERE c.relkind = 'r'"
- . ' AND NOT EXISTS'
- . ' (SELECT 1 FROM pg_views'
- . ' WHERE viewname = c.relname)'
- . ' AND NOT EXISTS'
- . ' (SELECT 1 FROM pg_user'
- . ' WHERE usesysid = c.relowner)'
- . " AND c.relname !~ '^pg_'";
- $result = $db->queryCol($query);
- if (PEAR::isError($result)) {
- return $result;
- }
- if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
- $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
- }
- return $result;
- }
-
- // }}}
- // {{{ listTableFields()
-
- /**
- * list all fields in a table in the current database
- *
- * @param string $table name of table that should be used in method
- * @return mixed array of field names on success, a MDB2 error on failure
- * @access public
- */
- function listTableFields($table)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $table = $db->quoteIdentifier($table, true);
- $db->setLimit(1);
- $result2 = $db->query("SELECT * FROM $table");
- if (PEAR::isError($result2)) {
- return $result2;
- }
- $result = $result2->getColumnNames();
- $result2->free();
- if (PEAR::isError($result)) {
- return $result;
- }
- return array_flip($result);
- }
-
- // }}}
- // {{{ listTableIndexes()
-
- /**
- * list all indexes in a table
- *
- * @param string $table name of table that should be used in method
- * @return mixed array of index names on success, a MDB2 error on failure
- * @access public
- */
- function listTableIndexes($table)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $table = $db->quote($table, 'text');
- $subquery = "SELECT indexrelid FROM pg_index, pg_class";
- $subquery.= " WHERE pg_class.relname=$table AND pg_class.oid=pg_index.indrelid AND indisunique != 't' AND indisprimary != 't'";
- $query = "SELECT relname FROM pg_class WHERE oid IN ($subquery)";
- $indexes = $db->queryCol($query, 'text');
- if (PEAR::isError($indexes)) {
- return $indexes;
- }
-
- $result = array();
- foreach ($indexes as $index) {
- $index = $this->_fixIndexName($index);
- if (!empty($index)) {
- $result[$index] = true;
- }
- }
-
- if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
- $result = array_change_key_case($result, $db->options['field_case']);
- }
- return array_keys($result);
- }
-
- // }}}
- // {{{ listTableConstraints()
-
- /**
- * list all constraints in a table
- *
- * @param string $table name of table that should be used in method
- * @return mixed array of constraint names on success, a MDB2 error on failure
- * @access public
- */
- function listTableConstraints($table)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $table = $db->quote($table, 'text');
- $subquery = "SELECT indexrelid FROM pg_index, pg_class";
- $subquery.= " WHERE pg_class.relname=$table AND pg_class.oid=pg_index.indrelid AND (indisunique = 't' OR indisprimary = 't')";
- $query = "SELECT relname FROM pg_class WHERE oid IN ($subquery)";
- $constraints = $db->queryCol($query);
- if (PEAR::isError($constraints)) {
- return $constraints;
- }
-
- $result = array();
- foreach ($constraints as $constraint) {
- $constraint = $this->_fixIndexName($constraint);
- if (!empty($constraint)) {
- $result[$constraint] = true;
- }
- }
-
- if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE
- && $db->options['field_case'] == CASE_LOWER
- ) {
- $result = array_change_key_case($result, $db->options['field_case']);
- }
- return array_keys($result);
- }
-
- // }}}
- // {{{ createSequence()
-
- /**
- * create sequence
- *
- * @param string $seq_name name of the sequence to be created
- * @param string $start start value of the sequence; default is 1
- * @return mixed MDB2_OK on success, a MDB2 error on failure
- * @access public
- */
- function createSequence($seq_name, $start = 1)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $sequence_name = $db->quoteIdentifier($db->getSequenceName($seq_name), true);
- return $db->exec("CREATE SEQUENCE $sequence_name INCREMENT 1".
- ($start < 1 ? " MINVALUE $start" : '')." START $start");
- }
-
- // }}}
- // {{{ dropSequence()
-
- /**
- * drop existing sequence
- *
- * @param string $seq_name name of the sequence to be dropped
- * @return mixed MDB2_OK on success, a MDB2 error on failure
- * @access public
- */
- function dropSequence($seq_name)
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $sequence_name = $db->quoteIdentifier($db->getSequenceName($seq_name), true);
- return $db->exec("DROP SEQUENCE $sequence_name");
- }
-
- // }}}
- // {{{ listSequences()
-
- /**
- * list all sequences in the current database
- *
- * @return mixed array of sequence names on success, a MDB2 error on failure
- * @access public
- */
- function listSequences()
- {
- $db =& $this->getDBInstance();
- if (PEAR::isError($db)) {
- return $db;
- }
-
- $query = "SELECT relname FROM pg_class WHERE relkind = 'S' AND relnamespace IN";
- $query.= "(SELECT oid FROM pg_namespace WHERE nspname NOT LIKE 'pg_%' AND nspname != 'information_schema')";
- $table_names = $db->queryCol($query);
- if (PEAR::isError($table_names)) {
- return $table_names;
- }
- $result = array();
- foreach ($table_names as $table_name) {
- $result[] = $this->_fixSequenceName($table_name);
- }
- if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
- $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result);
- }
- return $result;
- }
-}
+<?php +// +----------------------------------------------------------------------+ +// | PHP versions 4 and 5 | +// +----------------------------------------------------------------------+ +// | Copyright (c) 1998-2008 Manuel Lemos, Tomas V.V.Cox, | +// | Stig. S. Bakken, Lukas Smith | +// | All rights reserved. | +// +----------------------------------------------------------------------+ +// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB | +// | API as well as database abstraction for PHP applications. | +// | This LICENSE is in the BSD license style. | +// | | +// | Redistribution and use in source and binary forms, with or without | +// | modification, are permitted provided that the following conditions | +// | are met: | +// | | +// | Redistributions of source code must retain the above copyright | +// | notice, this list of conditions and the following disclaimer. | +// | | +// | Redistributions in binary form must reproduce the above copyright | +// | notice, this list of conditions and the following disclaimer in the | +// | documentation and/or other materials provided with the distribution. | +// | | +// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, | +// | Lukas Smith nor the names of his contributors may be used to endorse | +// | or promote products derived from this software without specific prior| +// | written permission. | +// | | +// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | +// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | +// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS | +// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE | +// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, | +// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, | +// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS| +// | OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED | +// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | +// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY| +// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | +// | POSSIBILITY OF SUCH DAMAGE. | +// +----------------------------------------------------------------------+ +// | Author: Paul Cooper <pgc@ucecom.com> | +// +----------------------------------------------------------------------+ +// +// $Id: pgsql.php,v 1.82 2008/03/05 12:55:57 afz Exp $ + +require_once 'MDB2/Driver/Manager/Common.php'; + +/** + * MDB2 MySQL driver for the management modules + * + * @package MDB2 + * @category Database + * @author Paul Cooper <pgc@ucecom.com> + */ +class MDB2_Driver_Manager_pgsql extends MDB2_Driver_Manager_Common +{ + // {{{ createDatabase() + + /** + * create a new database + * + * @param string $name name of the database that should be created + * @param array $options array with charset info + * + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function createDatabase($name, $options = array()) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $name = $db->quoteIdentifier($name, true); + $query = 'CREATE DATABASE ' . $name; + if (!empty($options['charset'])) { + $query .= ' WITH ENCODING ' . $db->quote($options['charset'], 'text'); + } + return $db->standaloneQuery($query, null, true); + } + + // }}} + // {{{ alterDatabase() + + /** + * alter an existing database + * + * @param string $name name of the database that is intended to be changed + * @param array $options array with name, owner info + * + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function alterDatabase($name, $options = array()) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $query = 'ALTER DATABASE '. $db->quoteIdentifier($name, true); + if (!empty($options['name'])) { + $query .= ' RENAME TO ' . $options['name']; + } + if (!empty($options['owner'])) { + $query .= ' OWNER TO ' . $options['owner']; + } + return $db->standaloneQuery($query, null, true); + } + + // }}} + // {{{ dropDatabase() + + /** + * drop an existing database + * + * @param string $name name of the database that should be dropped + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function dropDatabase($name) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $name = $db->quoteIdentifier($name, true); + $query = "DROP DATABASE $name"; + return $db->standaloneQuery($query, null, true); + } + + // }}} + // {{{ _getAdvancedFKOptions() + + /** + * Return the FOREIGN KEY query section dealing with non-standard options + * as MATCH, INITIALLY DEFERRED, ON UPDATE, ... + * + * @param array $definition + * @return string + * @access protected + */ + function _getAdvancedFKOptions($definition) + { + $query = ''; + if (!empty($definition['match'])) { + $query .= ' MATCH '.$definition['match']; + } + if (!empty($definition['onupdate'])) { + $query .= ' ON UPDATE '.$definition['onupdate']; + } + if (!empty($definition['ondelete'])) { + $query .= ' ON DELETE '.$definition['ondelete']; + } + if (!empty($definition['deferrable'])) { + $query .= ' DEFERRABLE'; + } else { + $query .= ' NOT DEFERRABLE'; + } + if (!empty($definition['initiallydeferred'])) { + $query .= ' INITIALLY DEFERRED'; + } else { + $query .= ' INITIALLY IMMEDIATE'; + } + return $query; + } + + // }}} + // {{{ truncateTable() + + /** + * Truncate an existing table (if the TRUNCATE TABLE syntax is not supported, + * it falls back to a DELETE FROM TABLE query) + * + * @param string $name name of the table that should be truncated + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function truncateTable($name) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $name = $db->quoteIdentifier($name, true); + return $db->exec("TRUNCATE TABLE $name"); + } + + // }}} + // {{{ vacuum() + + /** + * Optimize (vacuum) all the tables in the db (or only the specified table) + * and optionally run ANALYZE. + * + * @param string $table table name (all the tables if empty) + * @param array $options an array with driver-specific options: + * - timeout [int] (in seconds) [mssql-only] + * - analyze [boolean] [pgsql and mysql] + * - full [boolean] [pgsql-only] + * - freeze [boolean] [pgsql-only] + * + * @return mixed MDB2_OK success, a MDB2 error on failure + * @access public + */ + function vacuum($table = null, $options = array()) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + $query = 'VACUUM'; + + if (!empty($options['full'])) { + $query .= ' FULL'; + } + if (!empty($options['freeze'])) { + $query .= ' FREEZE'; + } + if (!empty($options['analyze'])) { + $query .= ' ANALYZE'; + } + + if (!empty($table)) { + $query .= ' '.$db->quoteIdentifier($table, true); + } + return $db->exec($query); + } + + // }}} + // {{{ alterTable() + + /** + * alter an existing table + * + * @param string $name name of the table that is intended to be changed. + * @param array $changes associative array that contains the details of each type + * of change that is intended to be performed. The types of + * changes that are currently supported are defined as follows: + * + * name + * + * New name for the table. + * + * add + * + * Associative array with the names of fields to be added as + * indexes of the array. The value of each entry of the array + * should be set to another associative array with the properties + * of the fields to be added. The properties of the fields should + * be the same as defined by the MDB2 parser. + * + * + * remove + * + * Associative array with the names of fields to be removed as indexes + * of the array. Currently the values assigned to each entry are ignored. + * An empty array should be used for future compatibility. + * + * rename + * + * Associative array with the names of fields to be renamed as indexes + * of the array. The value of each entry of the array should be set to + * another associative array with the entry named name with the new + * field name and the entry named Declaration that is expected to contain + * the portion of the field declaration already in DBMS specific SQL code + * as it is used in the CREATE TABLE statement. + * + * change + * + * Associative array with the names of the fields to be changed as indexes + * of the array. Keep in mind that if it is intended to change either the + * name of a field and any other properties, the change array entries + * should have the new names of the fields as array indexes. + * + * The value of each entry of the array should be set to another associative + * array with the properties of the fields to that are meant to be changed as + * array entries. These entries should be assigned to the new values of the + * respective properties. The properties of the fields should be the same + * as defined by the MDB2 parser. + * + * Example + * array( + * 'name' => 'userlist', + * 'add' => array( + * 'quota' => array( + * 'type' => 'integer', + * 'unsigned' => 1 + * ) + * ), + * 'remove' => array( + * 'file_limit' => array(), + * 'time_limit' => array() + * ), + * 'change' => array( + * 'name' => array( + * 'length' => '20', + * 'definition' => array( + * 'type' => 'text', + * 'length' => 20, + * ), + * ) + * ), + * 'rename' => array( + * 'sex' => array( + * 'name' => 'gender', + * 'definition' => array( + * 'type' => 'text', + * 'length' => 1, + * 'default' => 'M', + * ), + * ) + * ) + * ) + * + * @param boolean $check indicates whether the function should just check if the DBMS driver + * can perform the requested table alterations if the value is true or + * actually perform them otherwise. + * @access public + * + * @return mixed MDB2_OK on success, a MDB2 error on failure + */ + function alterTable($name, $changes, $check) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + foreach ($changes as $change_name => $change) { + switch ($change_name) { + case 'add': + case 'remove': + case 'change': + case 'name': + case 'rename': + break; + default: + return $db->raiseError(MDB2_ERROR_CANNOT_ALTER, null, null, + 'change type "'.$change_name.'\" not yet supported', __FUNCTION__); + } + } + + if ($check) { + return MDB2_OK; + } + + if (!empty($changes['remove']) && is_array($changes['remove'])) { + foreach ($changes['remove'] as $field_name => $field) { + $field_name = $db->quoteIdentifier($field_name, true); + $query = 'DROP ' . $field_name; + $result = $db->exec("ALTER TABLE $name $query"); + if (PEAR::isError($result)) { + return $result; + } + } + } + + if (!empty($changes['rename']) && is_array($changes['rename'])) { + foreach ($changes['rename'] as $field_name => $field) { + $field_name = $db->quoteIdentifier($field_name, true); + $result = $db->exec("ALTER TABLE $name RENAME COLUMN $field_name TO ".$db->quoteIdentifier($field['name'], true)); + if (PEAR::isError($result)) { + return $result; + } + } + } + + if (!empty($changes['add']) && is_array($changes['add'])) { + foreach ($changes['add'] as $field_name => $field) { + $query = 'ADD ' . $db->getDeclaration($field['type'], $field_name, $field); + $result = $db->exec("ALTER TABLE $name $query"); + if (PEAR::isError($result)) { + return $result; + } + } + } + + if (!empty($changes['change']) && is_array($changes['change'])) { + foreach ($changes['change'] as $field_name => $field) { + $field_name = $db->quoteIdentifier($field_name, true); + if (!empty($field['definition']['type'])) { + $server_info = $db->getServerVersion(); + if (PEAR::isError($server_info)) { + return $server_info; + } + if (is_array($server_info) && $server_info['major'] < 8) { + return $db->raiseError(MDB2_ERROR_CANNOT_ALTER, null, null, + 'changing column type for "'.$change_name.'\" requires PostgreSQL 8.0 or above', __FUNCTION__); + } + $db->loadModule('Datatype', null, true); + $query = "ALTER $field_name TYPE ".$db->datatype->getTypeDeclaration($field['definition']); + $result = $db->exec("ALTER TABLE $name $query"); + if (PEAR::isError($result)) { + return $result; + } + } + if (array_key_exists('default', $field['definition'])) { + $query = "ALTER $field_name SET DEFAULT ".$db->quote($field['definition']['default'], $field['definition']['type']); + $result = $db->exec("ALTER TABLE $name $query"); + if (PEAR::isError($result)) { + return $result; + } + } + if (!empty($field['definition']['notnull'])) { + $query = "ALTER $field_name ".($field['definition']['notnull'] ? 'SET' : 'DROP').' NOT NULL'; + $result = $db->exec("ALTER TABLE $name $query"); + if (PEAR::isError($result)) { + return $result; + } + } + } + } + + $name = $db->quoteIdentifier($name, true); + if (!empty($changes['name'])) { + $change_name = $db->quoteIdentifier($changes['name'], true); + $result = $db->exec("ALTER TABLE $name RENAME TO ".$change_name); + if (PEAR::isError($result)) { + return $result; + } + } + + return MDB2_OK; + } + + // }}} + // {{{ listDatabases() + + /** + * list all databases + * + * @return mixed array of database names on success, a MDB2 error on failure + * @access public + */ + function listDatabases() + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $query = 'SELECT datname FROM pg_database'; + $result2 = $db->standaloneQuery($query, array('text'), false); + if (!MDB2::isResultCommon($result2)) { + return $result2; + } + + $result = $result2->fetchCol(); + $result2->free(); + if (PEAR::isError($result)) { + return $result; + } + if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { + $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result); + } + return $result; + } + + // }}} + // {{{ listUsers() + + /** + * list all users + * + * @return mixed array of user names on success, a MDB2 error on failure + * @access public + */ + function listUsers() + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $query = 'SELECT usename FROM pg_user'; + $result2 = $db->standaloneQuery($query, array('text'), false); + if (!MDB2::isResultCommon($result2)) { + return $result2; + } + + $result = $result2->fetchCol(); + $result2->free(); + return $result; + } + + // }}} + // {{{ listViews() + + /** + * list all views in the current database + * + * @return mixed array of view names on success, a MDB2 error on failure + * @access public + */ + function listViews() + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $query = "SELECT viewname + FROM pg_views + WHERE schemaname NOT IN ('pg_catalog', 'information_schema') + AND viewname !~ '^pg_'"; + $result = $db->queryCol($query); + if (PEAR::isError($result)) { + return $result; + } + if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { + $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result); + } + return $result; + } + + // }}} + // {{{ listTableViews() + + /** + * list the views in the database that reference a given table + * + * @param string table for which all referenced views should be found + * @return mixed array of view names on success, a MDB2 error on failure + * @access public + */ + function listTableViews($table) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $query = 'SELECT viewname FROM pg_views NATURAL JOIN pg_tables'; + $query.= ' WHERE tablename ='.$db->quote($table, 'text'); + $result = $db->queryCol($query); + if (PEAR::isError($result)) { + return $result; + } + if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { + $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result); + } + return $result; + } + + // }}} + // {{{ listFunctions() + + /** + * list all functions in the current database + * + * @return mixed array of function names on success, a MDB2 error on failure + * @access public + */ + function listFunctions() + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $query = " + SELECT + proname + FROM + pg_proc pr, + pg_type tp + WHERE + tp.oid = pr.prorettype + AND pr.proisagg = FALSE + AND tp.typname <> 'trigger' + AND pr.pronamespace IN + (SELECT oid FROM pg_namespace WHERE nspname NOT LIKE 'pg_%' AND nspname != 'information_schema')"; + $result = $db->queryCol($query); + if (PEAR::isError($result)) { + return $result; + } + if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { + $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result); + } + return $result; + } + + // }}} + // {{{ listTableTriggers() + + /** + * list all triggers in the database that reference a given table + * + * @param string table for which all referenced triggers should be found + * @return mixed array of trigger names on success, a MDB2 error on failure + * @access public + */ + function listTableTriggers($table = null) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $query = 'SELECT trg.tgname AS trigger_name + FROM pg_trigger trg, + pg_class tbl + WHERE trg.tgrelid = tbl.oid'; + if (!is_null($table)) { + $table = $db->quote(strtoupper($table), 'text'); + $query .= " AND tbl.relname = $table"; + } + $result = $db->queryCol($query); + if (PEAR::isError($result)) { + return $result; + } + if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { + $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result); + } + return $result; + } + + // }}} + // {{{ listTables() + + /** + * list all tables in the current database + * + * @return mixed array of table names on success, a MDB2 error on failure + * @access public + */ + function listTables() + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + // gratuitously stolen from PEAR DB _getSpecialQuery in pgsql.php + $query = 'SELECT c.relname AS "Name"' + . ' FROM pg_class c, pg_user u' + . ' WHERE c.relowner = u.usesysid' + . " AND c.relkind = 'r'" + . ' AND NOT EXISTS' + . ' (SELECT 1 FROM pg_views' + . ' WHERE viewname = c.relname)' + . " AND c.relname !~ '^(pg_|sql_)'" + . ' UNION' + . ' SELECT c.relname AS "Name"' + . ' FROM pg_class c' + . " WHERE c.relkind = 'r'" + . ' AND NOT EXISTS' + . ' (SELECT 1 FROM pg_views' + . ' WHERE viewname = c.relname)' + . ' AND NOT EXISTS' + . ' (SELECT 1 FROM pg_user' + . ' WHERE usesysid = c.relowner)' + . " AND c.relname !~ '^pg_'"; + $result = $db->queryCol($query); + if (PEAR::isError($result)) { + return $result; + } + if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { + $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result); + } + return $result; + } + + // }}} + // {{{ listTableFields() + + /** + * list all fields in a table in the current database + * + * @param string $table name of table that should be used in method + * @return mixed array of field names on success, a MDB2 error on failure + * @access public + */ + function listTableFields($table) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $table = $db->quoteIdentifier($table, true); + $db->setLimit(1); + $result2 = $db->query("SELECT * FROM $table"); + if (PEAR::isError($result2)) { + return $result2; + } + $result = $result2->getColumnNames(); + $result2->free(); + if (PEAR::isError($result)) { + return $result; + } + return array_flip($result); + } + + // }}} + // {{{ listTableIndexes() + + /** + * list all indexes in a table + * + * @param string $table name of table that should be used in method + * @return mixed array of index names on success, a MDB2 error on failure + * @access public + */ + function listTableIndexes($table) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $table = $db->quote($table, 'text'); + $subquery = "SELECT indexrelid FROM pg_index, pg_class"; + $subquery.= " WHERE pg_class.relname=$table AND pg_class.oid=pg_index.indrelid AND indisunique != 't' AND indisprimary != 't'"; + $query = "SELECT relname FROM pg_class WHERE oid IN ($subquery)"; + $indexes = $db->queryCol($query, 'text'); + if (PEAR::isError($indexes)) { + return $indexes; + } + + $result = array(); + foreach ($indexes as $index) { + $index = $this->_fixIndexName($index); + if (!empty($index)) { + $result[$index] = true; + } + } + + if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { + $result = array_change_key_case($result, $db->options['field_case']); + } + return array_keys($result); + } + + // }}} + // {{{ listTableConstraints() + + /** + * list all constraints in a table + * + * @param string $table name of table that should be used in method + * @return mixed array of constraint names on success, a MDB2 error on failure + * @access public + */ + function listTableConstraints($table) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $table = $db->quote($table, 'text'); + $query = 'SELECT conname + FROM pg_constraint, pg_class + WHERE pg_constraint.conrelid = pg_class.oid + AND relname = ' .$table; + $constraints = $db->queryCol($query); + if (PEAR::isError($constraints)) { + return $constraints; + } + + $result = array(); + foreach ($constraints as $constraint) { + $constraint = $this->_fixIndexName($constraint); + if (!empty($constraint)) { + $result[$constraint] = true; + } + } + + if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE + && $db->options['field_case'] == CASE_LOWER + ) { + $result = array_change_key_case($result, $db->options['field_case']); + } + return array_keys($result); + } + + // }}} + // {{{ createSequence() + + /** + * create sequence + * + * @param string $seq_name name of the sequence to be created + * @param string $start start value of the sequence; default is 1 + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function createSequence($seq_name, $start = 1) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $sequence_name = $db->quoteIdentifier($db->getSequenceName($seq_name), true); + return $db->exec("CREATE SEQUENCE $sequence_name INCREMENT 1". + ($start < 1 ? " MINVALUE $start" : '')." START $start"); + } + + // }}} + // {{{ dropSequence() + + /** + * drop existing sequence + * + * @param string $seq_name name of the sequence to be dropped + * @return mixed MDB2_OK on success, a MDB2 error on failure + * @access public + */ + function dropSequence($seq_name) + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $sequence_name = $db->quoteIdentifier($db->getSequenceName($seq_name), true); + return $db->exec("DROP SEQUENCE $sequence_name"); + } + + // }}} + // {{{ listSequences() + + /** + * list all sequences in the current database + * + * @return mixed array of sequence names on success, a MDB2 error on failure + * @access public + */ + function listSequences() + { + $db =& $this->getDBInstance(); + if (PEAR::isError($db)) { + return $db; + } + + $query = "SELECT relname FROM pg_class WHERE relkind = 'S' AND relnamespace IN"; + $query.= "(SELECT oid FROM pg_namespace WHERE nspname NOT LIKE 'pg_%' AND nspname != 'information_schema')"; + $table_names = $db->queryCol($query); + if (PEAR::isError($table_names)) { + return $table_names; + } + $result = array(); + foreach ($table_names as $table_name) { + $result[] = $this->_fixSequenceName($table_name); + } + if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { + $result = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $result); + } + return $result; + } +} ?>
\ No newline at end of file diff --git a/program/lib/MDB2/Driver/Manager/sqlite.php b/program/lib/MDB2/Driver/Manager/sqlite.php index f126ff146..676127c94 100644 --- a/program/lib/MDB2/Driver/Manager/sqlite.php +++ b/program/lib/MDB2/Driver/Manager/sqlite.php @@ -2,7 +2,7 @@ // +----------------------------------------------------------------------+
// | PHP versions 4 and 5 |
// +----------------------------------------------------------------------+
-// | Copyright (c) 1998-2007 Manuel Lemos, Tomas V.V.Cox, |
+// | Copyright (c) 1998-2008 Manuel Lemos, Tomas V.V.Cox, |
// | Stig. S. Bakken, Lukas Smith, Lorenzo Alberton |
// | All rights reserved. |
// +----------------------------------------------------------------------+
@@ -43,7 +43,7 @@ // | Lorenzo Alberton <l.alberton@quipo.it> |
// +----------------------------------------------------------------------+
//
-// $Id: sqlite.php,v 1.72 2007/12/03 20:59:15 quipo Exp $
+// $Id: sqlite.php,v 1.74 2008/03/05 11:08:53 quipo Exp $
//
require_once 'MDB2/Driver/Manager/Common.php';
@@ -404,6 +404,37 @@ class MDB2_Driver_Manager_sqlite extends MDB2_Driver_Manager_Common }
// }}}
+ // {{{ vacuum()
+
+ /**
+ * Optimize (vacuum) all the tables in the db (or only the specified table)
+ * and optionally run ANALYZE.
+ *
+ * @param string $table table name (all the tables if empty)
+ * @param array $options an array with driver-specific options:
+ * - timeout [int] (in seconds) [mssql-only]
+ * - analyze [boolean] [pgsql and mysql]
+ * - full [boolean] [pgsql-only]
+ * - freeze [boolean] [pgsql-only]
+ *
+ * @return mixed MDB2_OK success, a MDB2 error on failure
+ * @access public
+ */
+ function vacuum($table = null, $options = array())
+ {
+ $db =& $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $query = 'VACUUM';
+ if (!empty($table)) {
+ $query .= ' '.$db->quoteIdentifier($table, true);
+ }
+ return $db->exec($query);
+ }
+
+ // }}}
// {{{ alterTable()
/**
@@ -1207,7 +1238,7 @@ class MDB2_Driver_Manager_sqlite extends MDB2_Driver_Manager_Common if (PEAR::isError($table_def)) {
return $table_def;
}
- if (preg_match("/\bPRIMARY\s+KEY\b\s*\(([^)]+)/i", $table_def, $tmp)) {
+ if (preg_match("/\bPRIMARY\s+KEY\b/i", $table_def, $tmp)) {
$result['primary'] = true;
}
|