forked from GNUsocial/gnu-social
		
	
		
			
				
	
	
		
			1164 lines
		
	
	
		
			40 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			1164 lines
		
	
	
		
			40 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
| <?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_odbc 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 =& $this->getDBInstance();
 | |
|         if (MDB2::isError($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 =& $this->getDBInstance();
 | |
|         if (MDB2::isError($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 =& $this->getDBInstance();
 | |
|         if (MDB2::isError($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 =& $this->getDBInstance();
 | |
|         if (MDB2::isError($db)) {
 | |
|             return $db;
 | |
|         }
 | |
| 
 | |
|         $name = $db->quoteIdentifier($name, true);
 | |
|         $result = $db->exec("TRUNCATE TABLE $name");
 | |
|         if (MDB2::isError($result)) {
 | |
|             return $result;
 | |
|         }
 | |
|         return MDB2_OK;
 | |
|     }
 | |
| 
 | |
|     // }}}
 | |
|     // {{{ 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 =& $this->getDBInstance();
 | |
|         if (MDB2::isError($db)) {
 | |
|             return $db;
 | |
|         }
 | |
|         $timeout = isset($options['timeout']) ? (int)$options['timeout'] : 300;
 | |
| 
 | |
|         $query = 'NSControl Create';
 | |
|         $result = $db->exec($query);
 | |
|         if (MDB2::isError($result)) {
 | |
|             return $result;
 | |
|         }
 | |
| 
 | |
|         $result = $db->exec('EXEC NSVacuum '.$timeout);
 | |
|         if (MDB2::isError($result)) {
 | |
|             return $result;
 | |
|         }
 | |
|         return MDB2_OK;
 | |
|     }
 | |
| 
 | |
|     // }}}
 | |
|     // {{{ alterTable()
 | |
| 
 | |
|     /**
 | |
|      * alter an existing table
 | |
|      *
 | |
|      * @param string  $name    name of the table that is intended to be changed.
 | |
|      * @param array   $changes associative array that contains the details of each type
 | |
|      *                         of change that is intended to be performed. The types of
 | |
|      *                         changes that are currently supported are defined as follows:
 | |
|      *
 | |
|      *                             name
 | |
|      *
 | |
|      *                                New name for the table.
 | |
|      *
 | |
|      *                            add
 | |
|      *
 | |
|      *                                Associative array with the names of fields to be added as
 | |
|      *                                 indexes of the array. The value of each entry of the array
 | |
|      *                                 should be set to another associative array with the properties
 | |
|      *                                 of the fields to be added. The properties of the fields should
 | |
|      *                                 be the same as defined by the MDB2 parser.
 | |
|      *
 | |
|      *
 | |
|      *                            remove
 | |
|      *
 | |
|      *                                Associative array with the names of fields to be removed as indexes
 | |
|      *                                 of the array. Currently the values assigned to each entry are ignored.
 | |
|      *                                 An empty array should be used for future compatibility.
 | |
|      *
 | |
|      *                            rename
 | |
|      *
 | |
|      *                                Associative array with the names of fields to be renamed as indexes
 | |
|      *                                 of the array. The value of each entry of the array should be set to
 | |
|      *                                 another associative array with the entry named name with the new
 | |
|      *                                 field name and the entry named Declaration that is expected to contain
 | |
|      *                                 the portion of the field declaration already in DBMS specific SQL code
 | |
|      *                                 as it is used in the CREATE TABLE statement.
 | |
|      *
 | |
|      *                            change
 | |
|      *
 | |
|      *                                Associative array with the names of the fields to be changed as indexes
 | |
|      *                                 of the array. Keep in mind that if it is intended to change either the
 | |
|      *                                 name of a field and any other properties, the change array entries
 | |
|      *                                 should have the new names of the fields as array indexes.
 | |
|      *
 | |
|      *                                The value of each entry of the array should be set to another associative
 | |
|      *                                 array with the properties of the fields to that are meant to be changed as
 | |
|      *                                 array entries. These entries should be assigned to the new values of the
 | |
|      *                                 respective properties. The properties of the fields should be the same
 | |
|      *                                 as defined by the MDB2 parser.
 | |
|      *
 | |
|      *                            Example
 | |
|      *                                array(
 | |
|      *                                    'name' => 'userlist',
 | |
|      *                                    'add' => array(
 | |
|      *                                        'quota' => array(
 | |
|      *                                            'type' => 'integer',
 | |
|      *                                            'unsigned' => 1
 | |
|      *                                        )
 | |
|      *                                    ),
 | |
|      *                                    'remove' => array(
 | |
|      *                                        'file_limit' => array(),
 | |
|      *                                        'time_limit' => array()
 | |
|      *                                    ),
 | |
|      *                                    'change' => array(
 | |
|      *                                        'name' => array(
 | |
|      *                                            'length' => '20',
 | |
|      *                                            'definition' => array(
 | |
|      *                                                'type' => 'text',
 | |
|      *                                                'length' => 20,
 | |
|      *                                            ),
 | |
|      *                                        )
 | |
|      *                                    ),
 | |
|      *                                    'rename' => array(
 | |
|      *                                        'sex' => array(
 | |
|      *                                            'name' => 'gender',
 | |
|      *                                            'definition' => array(
 | |
|      *                                                'type' => 'text',
 | |
|      *                                                'length' => 1,
 | |
|      *                                                'default' => 'M',
 | |
|      *                                            ),
 | |
|      *                                        )
 | |
|      *                                    )
 | |
|      *                                )
 | |
|      *
 | |
|      * @param boolean $check   indicates whether the function should just check if the DBMS driver
 | |
|      *                         can perform the requested table alterations if the value is true or
 | |
|      *                         actually perform them otherwise.
 | |
|      *
 | |
|      * @return mixed MDB2_OK on success, a MDB2 error on failure
 | |
|      * @access public
 | |
|      */
 | |
|     function alterTable($name, $changes, $check)
 | |
|     {
 | |
|         $db =& $this->getDBInstance();
 | |
|         if (MDB2::isError($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($changes['remove']));
 | |
|             if (MDB2::isError($result)) {
 | |
|                 $db->setOption('idxname_format', $idxname_format);
 | |
|                 return $result;
 | |
|             }
 | |
|             $result = $this->_dropConflictingConstraints($name, array_keys($changes['remove']));
 | |
|             if (MDB2::isError($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 $query");
 | |
|             if (MDB2::isError($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 (MDB2::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 $query");
 | |
|             if (MDB2::isError($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($changes['change']));
 | |
|             if (MDB2::isError($dropped)) {
 | |
|                 $db->setOption('idxname_format', $idxname_format);
 | |
|                 return $dropped;
 | |
|             }
 | |
|             $dropped_indices = array_merge($dropped_indices, $dropped);
 | |
|             $dropped = $this->_dropConflictingConstraints($name, array_keys($changes['change']));
 | |
|             if (MDB2::isError($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 $query");
 | |
|                 if (MDB2::isError($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, $index);
 | |
|             if (MDB2::isError($result)) {
 | |
|                 $db->setOption('idxname_format', $idxname_format);
 | |
|                 return $result;
 | |
|             }
 | |
|         }
 | |
|         foreach ($dropped_constraints as $constraint_name => $constraint) {
 | |
|             $result = $this->createConstraint($name, $constraint_name, $constraint);
 | |
|             if (MDB2::isError($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', '$new_name'");
 | |
|             if (MDB2::isError($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 =& $this->getDBInstance();
 | |
|         if (MDB2::isError($db)) {
 | |
|             return $db;
 | |
|         }
 | |
| 
 | |
|         $dropped = array();
 | |
|         $index_names = $this->listTableIndexes($table);
 | |
|         if (MDB2::isError($index_names)) {
 | |
|             return $index_names;
 | |
|         }
 | |
|         $db->loadModule('Reverse');
 | |
|         $indexes = array();
 | |
|         foreach ($index_names as $index_name) {
 | |
|         	$idx_def = $db->reverse->getTableIndexDefinition($table, $index_name);
 | |
|             if (!MDB2::isError($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, $index_name);
 | |
|                     if (MDB2::isError($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 =& $this->getDBInstance();
 | |
|         if (MDB2::isError($db)) {
 | |
|             return $db;
 | |
|         }
 | |
| 
 | |
|         $dropped = array();
 | |
|         $constraint_names = $this->listTableConstraints($table);
 | |
|         if (MDB2::isError($constraint_names)) {
 | |
|             return $constraint_names;
 | |
|         }
 | |
|         $db->loadModule('Reverse');
 | |
|         $constraints = array();
 | |
|         foreach ($constraint_names as $constraint_name) {
 | |
|         	$cons_def = $db->reverse->getTableConstraintDefinition($table, $constraint_name);
 | |
|             if (!MDB2::isError($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, $constraint_name);
 | |
|                     if (MDB2::isError($result)) {
 | |
|                         return $result;
 | |
|                     }
 | |
|                 }
 | |
|             }
 | |
|             // also drop implicit DEFAULT constraints
 | |
|             $default = $this->_getTableFieldDefaultConstraint($table, $field_name);
 | |
|             if (!MDB2::isError($default) && !empty($default)) {
 | |
|                 $result = $this->dropConstraint($table, $default);
 | |
|                 if (MDB2::isError($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 =& $this->getDBInstance();
 | |
|         if (MDB2::isError($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 =& $this->getDBInstance();
 | |
| 
 | |
|         if (MDB2::isError($db)) {
 | |
|             return $db;
 | |
|         }
 | |
|         $res = odbc_tables($db->connection);
 | |
|         $result = array();
 | |
| 		while (odbc_fetch_row($res)){
 | |
|      		if(odbc_result($res,"TABLE_TYPE")=="TABLE") {
 | |
|      			$table_name = odbc_result($res,"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 =& $this->getDBInstance();
 | |
|         if (MDB2::isError($db)) {
 | |
|             return $db;
 | |
|         }
 | |
| 
 | |
|         $rs = odbc_columns($db->connection, "%", "%", $table);
 | |
|         $columns = array();
 | |
|         while($data = odbc_fetch_array($rs)) {
 | |
|         	$columns[] = $data[COLUMN_NAME];
 | |
|         }
 | |
|         
 | |
|         /*
 | |
|         throw new Exception(); 
 | |
|         
 | |
|         $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 (MDB2::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 =& $this->getDBInstance();
 | |
|         if (MDB2::isError($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";
 | |
|         $table = "V_PARTNERSTAMM";
 | |
|         $res = odbc_statistics($db->connection,$db->dsn[username],$db->dsn[username],$table,0,0);
 | |
|         $indexes = array();
 | |
|         while($data = odbc_fetch_array($res)) {
 | |
|         	$indexes[] = $data[$key_name];
 | |
|         }
 | |
| 
 | |
|         
 | |
|         $res = odbc_primarykeys($db->connection,$db->dsn[username],$db->dsn[username],$table);
 | |
|         
 | |
|         
 | |
|         $pk_all = array();
 | |
|         while($data = odbc_fetch_array($res)) {
 | |
|         	$pk_all[] = $data[$key_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 =& $this->getDBInstance();
 | |
|         if (MDB2::isError($db)) {
 | |
|             return $db;
 | |
|         }
 | |
| 
 | |
|         $result = $db->queryCol('SELECT name FROM sys.databases');
 | |
|         if (MDB2::isError($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 =& $this->getDBInstance();
 | |
|         if (MDB2::isError($db)) {
 | |
|             return $db;
 | |
|         }
 | |
| 
 | |
|         $result = $db->queryCol('SELECT DISTINCT loginame FROM master..sysprocesses');
 | |
|         if (MDB2::isError($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 =& $this->getDBInstance();
 | |
|         if (MDB2::isError($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 (MDB2::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 =& $this->getDBInstance();
 | |
|         if (MDB2::isError($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 (MDB2::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 =& $this->getDBInstance();
 | |
|         if (MDB2::isError($db)) {
 | |
|             return $db;
 | |
|         }
 | |
| 
 | |
|         $res = odbc_tables($db->connection);
 | |
|         $result = array();
 | |
| 		while (odbc_fetch_row($res)){
 | |
|      		if(odbc_result($res,"TABLE_TYPE")=="VIEW") {
 | |
|      			$table_name = odbc_result($res,"TABLE_NAME");
 | |
| 				if (!$this->_fixSequenceName($table_name, true)) {
 | |
|                 	$result[] = $table_name;
 | |
|             	}     			
 | |
|      		}
 | |
| 		}
 | |
| 
 | |
|         if ($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 =& $this->getDBInstance();
 | |
|         if (MDB2::isError($db)) {
 | |
|             return $db;
 | |
|         }
 | |
| 
 | |
|         $table = $db->quoteIdentifier($table, true);
 | |
|         $name = $db->quoteIdentifier($db->getIndexName($name), true);
 | |
|         $result = $db->exec("DROP INDEX $table.$name");
 | |
|         if (MDB2::isError($result)) {
 | |
|             return $result;
 | |
|         }
 | |
|         return MDB2_OK;
 | |
|     }
 | |
| 
 | |
|     // }}}
 | |
|     // {{{ listTableConstraints()
 | |
| 
 | |
|     /**
 | |
|      * list all constraints in a table
 | |
|      *
 | |
|      * @param string $table name of table that should be used in method
 | |
|      *
 | |
|      * @return mixed array of constraint names on success, a MDB2 error on failure
 | |
|      * @access public
 | |
|      */
 | |
|     function listTableConstraints($table)
 | |
|     {
 | |
|     	return array();
 | |
|         $db =& $this->getDBInstance();
 | |
|         if (MDB2::isError($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 (MDB2::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 =& $this->getDBInstance();
 | |
|         if (MDB2::isError($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 (MDB2::isError($res)) {
 | |
|             return $res;
 | |
|         }
 | |
| 
 | |
|         $query = "SET IDENTITY_INSERT $sequence_name ON ".
 | |
|                  "INSERT INTO $sequence_name ($seqcol_name) VALUES ($start)";
 | |
|         $res = $db->exec($query);
 | |
| 
 | |
|         if (!MDB2::isError($res)) {
 | |
|             return MDB2_OK;
 | |
|         }
 | |
| 
 | |
|         $result = $db->exec("DROP TABLE $sequence_name");
 | |
|         if (MDB2::isError($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 =& $this->getDBInstance();
 | |
|         if (MDB2::isError($db)) {
 | |
|             return $db;
 | |
|         }
 | |
| 
 | |
|         $sequence_name = $db->quoteIdentifier($db->getSequenceName($seq_name), true);
 | |
|         $result = $db->exec("DROP TABLE $sequence_name");
 | |
|         if (MDB2::isError($result)) {
 | |
|             return $result;
 | |
|         }
 | |
|         return MDB2_OK;
 | |
|     }
 | |
| 
 | |
|     // }}}
 | |
|     // {{{ 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()
 | |
|     {
 | |
|     	return array();
 | |
|         $db =& $this->getDBInstance();
 | |
|         if (MDB2::isError($db)) {
 | |
|             return $db;
 | |
|         }
 | |
| 
 | |
|         $query = "SELECT name FROM sysobjects WHERE xtype = 'U'";
 | |
|         $table_names = $db->queryCol($query);
 | |
|         if (MDB2::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;
 | |
|     }
 | |
| 
 | |
|     // }}}
 | |
| }
 | |
| 
 | |
| // }}}
 | |
| ?>
 |