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<?php
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// +----------------------------------------------------------------------+
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// | PHP versions 4 and 5 |
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// +----------------------------------------------------------------------+
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// | Copyright (c) 1998-2006 Manuel Lemos, Tomas V.V.Cox, |
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// | Stig. S. Bakken, Lukas Smith |
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// | All rights reserved. |
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// +----------------------------------------------------------------------+
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// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB |
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// | API as well as database abstraction for PHP applications. |
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// | This LICENSE is in the BSD license style. |
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// | |
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// | Redistribution and use in source and binary forms, with or without |
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// | modification, are permitted provided that the following conditions |
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// | are met: |
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// | |
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// | Redistributions of source code must retain the above copyright |
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// | notice, this list of conditions and the following disclaimer. |
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// | |
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// | Redistributions in binary form must reproduce the above copyright |
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// | notice, this list of conditions and the following disclaimer in the |
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// | documentation and/or other materials provided with the distribution. |
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// | |
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// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, |
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// | Lukas Smith nor the names of his contributors may be used to endorse |
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// | or promote products derived from this software without specific prior|
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// | written permission. |
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// | |
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// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
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// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
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// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
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// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
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// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
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// | OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
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// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
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// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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// | POSSIBILITY OF SUCH DAMAGE. |
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// +----------------------------------------------------------------------+
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// | Author: Lukas Smith <smith@pooteeweet.org> |
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// +----------------------------------------------------------------------+
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//
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// $Id: Common.php,v 1.58 2006/09/26 13:57:11 quipo Exp $
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//
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/**
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* @package MDB2
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* @category Database
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* @author Lukas Smith <smith@pooteeweet.org>
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*/
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/**
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* Base class for the management modules that is extended by each MDB2 driver
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*
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* @package MDB2
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* @category Database
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* @author Lukas Smith <smith@pooteeweet.org>
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*/
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class MDB2_Driver_Manager_Common extends MDB2_Module_Common
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{
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// }}}
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// {{{ getFieldDeclarationList()
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/**
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* Get declaration of a number of field in bulk
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*
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* @param string $fields a multidimensional associative array.
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* The first dimension determines the field name, while the second
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* dimension is keyed with the name of the properties
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* of the field being declared as array indexes. Currently, the types
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* of supported field properties are as follows:
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*
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* default
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* Boolean value to be used as default for this field.
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*
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* notnull
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* Boolean flag that indicates whether this field is constrained
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* to not be set to null.
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*
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* @return mixed string on success, a MDB2 error on failure
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* @access public
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*/
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function getFieldDeclarationList($fields)
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{
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$db =& $this->getDBInstance();
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if (PEAR::isError($db)) {
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return $db;
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}
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if (!is_array($fields) || empty($fields)) {
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return $db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
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'missing any fields', __FUNCTION__);
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}
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foreach ($fields as $field_name => $field) {
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$query = $db->getDeclaration($field['type'], $field_name, $field);
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if (PEAR::isError($query)) {
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return $query;
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}
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$query_fields[] = $query;
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}
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return implode(', ', $query_fields);
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}
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// }}}
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// {{{ _fixSequenceName()
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/**
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* Removes any formatting in an sequence name using the 'seqname_format' option
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*
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* @param string $sqn string that containts name of a potential sequence
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* @param bool $check if only formatted sequences should be returned
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* @return string name of the sequence with possible formatting removed
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* @access protected
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*/
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function _fixSequenceName($sqn, $check = false)
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{
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$db =& $this->getDBInstance();
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if (PEAR::isError($db)) {
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return $db;
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}
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$seq_pattern = '/^'.preg_replace('/%s/', '([a-z0-9_]+)', $db->options['seqname_format']).'$/i';
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$seq_name = preg_replace($seq_pattern, '\\1', $sqn);
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if ($seq_name && !strcasecmp($sqn, $db->getSequenceName($seq_name))) {
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return $seq_name;
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}
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if ($check) {
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return false;
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}
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return $sqn;
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}
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// }}}
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// {{{ _fixIndexName()
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/**
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* Removes any formatting in an index name using the 'idxname_format' option
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*
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* @param string $idx string that containts name of anl index
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* @return string name of the index with possible formatting removed
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* @access protected
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*/
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function _fixIndexName($idx)
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{
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$db =& $this->getDBInstance();
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if (PEAR::isError($db)) {
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return $db;
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}
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$idx_pattern = '/^'.preg_replace('/%s/', '([a-z0-9_]+)', $db->options['idxname_format']).'$/i';
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$idx_name = preg_replace($idx_pattern, '\\1', $idx);
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if ($idx_name && !strcasecmp($idx, $db->getIndexName($idx_name))) {
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return $idx_name;
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}
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return $idx;
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}
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// }}}
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// {{{ createDatabase()
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/**
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* create a new database
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*
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* @param string $name name of the database that should be created
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* @return mixed MDB2_OK on success, a MDB2 error on failure
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* @access public
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*/
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function createDatabase($database)
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{
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$db =& $this->getDBInstance();
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if (PEAR::isError($db)) {
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return $db;
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}
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return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
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'method not implemented', __FUNCTION__);
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}
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// }}}
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// {{{ dropDatabase()
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/**
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* drop an existing database
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*
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* @param string $name name of the database that should be dropped
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* @return mixed MDB2_OK on success, a MDB2 error on failure
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* @access public
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*/
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function dropDatabase($database)
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{
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$db =& $this->getDBInstance();
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if (PEAR::isError($db)) {
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return $db;
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}
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return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
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'method not implemented', __FUNCTION__);
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}
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// }}}
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// {{{
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/**
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* Create a basic SQL query for a new table creation
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* @param string $name Name of the database that should be created
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* @param array $fields Associative array that contains the definition of each field of the new table
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* @param array $options An associative array of table options
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* @return mixed string (the SQL query) on success, a MDB2 error on failure
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* @see createTable()
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*/
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function _getCreateTableQuery($name, $fields, $options = array())
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{
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$db =& $this->getDBInstance();
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if (PEAR::isError($db)) {
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return $db;
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}
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if (!$name) {
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return $db->raiseError(MDB2_ERROR_CANNOT_CREATE, null, null,
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'no valid table name specified', __FUNCTION__);
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}
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if (empty($fields)) {
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return $db->raiseError(MDB2_ERROR_CANNOT_CREATE, null, null,
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'no fields specified for table "'.$name.'"', __FUNCTION__);
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}
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$query_fields = $this->getFieldDeclarationList($fields);
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if (PEAR::isError($query_fields)) {
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return $query_fields;
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}
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if (!empty($options['primary'])) {
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$query_fields.= ', PRIMARY KEY ('.implode(', ', array_keys($options['primary'])).')';
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}
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$name = $db->quoteIdentifier($name, true);
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return "CREATE TABLE $name ($query_fields)";
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}
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// }}}
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// {{{ createTable()
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/**
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* create a new table
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*
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* @param string $name Name of the database that should be created
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* @param array $fields Associative array that contains the definition of each field of the new table
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* The indexes of the array entries are the names of the fields of the table an
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* the array entry values are associative arrays like those that are meant to be
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* passed with the field definitions to get[Type]Declaration() functions.
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* array(
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* 'id' => array(
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* 'type' => 'integer',
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* 'unsigned' => 1
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* 'notnull' => 1
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* 'default' => 0
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* ),
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* 'name' => array(
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* 'type' => 'text',
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* 'length' => 12
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* ),
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* 'password' => array(
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* 'type' => 'text',
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* 'length' => 12
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* )
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* );
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* @param array $options An associative array of table options:
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*
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* @return mixed MDB2_OK on success, a MDB2 error on failure
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* @access public
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*/
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function createTable($name, $fields, $options = array())
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{
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$query = $this->_getCreateTableQuery($name, $fields, $options);
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if (PEAR::isError($query)) {
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return $query;
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}
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$db =& $this->getDBInstance();
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if (PEAR::isError($db)) {
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return $db;
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}
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return $db->exec($query);
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}
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// }}}
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// {{{ dropTable()
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/**
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* drop an existing table
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*
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* @param string $name name of the table that should be dropped
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* @return mixed MDB2_OK on success, a MDB2 error on failure
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* @access public
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*/
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function dropTable($name)
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{
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$db =& $this->getDBInstance();
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if (PEAR::isError($db)) {
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return $db;
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}
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$name = $db->quoteIdentifier($name, true);
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return $db->exec("DROP TABLE $name");
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}
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// }}}
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// {{{ alterTable()
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/**
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* alter an existing table
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*
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* @param string $name name of the table that is intended to be changed.
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* @param array $changes associative array that contains the details of each type
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* of change that is intended to be performed. The types of
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* changes that are currently supported are defined as follows:
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*
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* name
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*
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* New name for the table.
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*
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* add
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*
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* Associative array with the names of fields to be added as
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* indexes of the array. The value of each entry of the array
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* should be set to another associative array with the properties
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* of the fields to be added. The properties of the fields should
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* be the same as defined by the MDB2 parser.
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*
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*
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* remove
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*
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* Associative array with the names of fields to be removed as indexes
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* of the array. Currently the values assigned to each entry are ignored.
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* An empty array should be used for future compatibility.
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*
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* rename
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*
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* Associative array with the names of fields to be renamed as indexes
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* of the array. The value of each entry of the array should be set to
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* another associative array with the entry named name with the new
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* field name and the entry named Declaration that is expected to contain
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* the portion of the field declaration already in DBMS specific SQL code
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* as it is used in the CREATE TABLE statement.
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*
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* change
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*
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* Associative array with the names of the fields to be changed as indexes
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* of the array. Keep in mind that if it is intended to change either the
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* name of a field and any other properties, the change array entries
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* should have the new names of the fields as array indexes.
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*
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* The value of each entry of the array should be set to another associative
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* array with the properties of the fields to that are meant to be changed as
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* array entries. These entries should be assigned to the new values of the
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* respective properties. The properties of the fields should be the same
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* as defined by the MDB2 parser.
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*
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* Example
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* array(
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* 'name' => 'userlist',
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* 'add' => array(
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* 'quota' => array(
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364 |
* 'type' => 'integer',
|
|
|
365 |
* 'unsigned' => 1
|
|
|
366 |
* )
|
|
|
367 |
* ),
|
|
|
368 |
* 'remove' => array(
|
|
|
369 |
* 'file_limit' => array(),
|
|
|
370 |
* 'time_limit' => array()
|
|
|
371 |
* ),
|
|
|
372 |
* 'change' => array(
|
|
|
373 |
* 'name' => array(
|
|
|
374 |
* 'length' => '20',
|
|
|
375 |
* 'definition' => array(
|
|
|
376 |
* 'type' => 'text',
|
|
|
377 |
* 'length' => 20,
|
|
|
378 |
* ),
|
|
|
379 |
* )
|
|
|
380 |
* ),
|
|
|
381 |
* 'rename' => array(
|
|
|
382 |
* 'sex' => array(
|
|
|
383 |
* 'name' => 'gender',
|
|
|
384 |
* 'definition' => array(
|
|
|
385 |
* 'type' => 'text',
|
|
|
386 |
* 'length' => 1,
|
|
|
387 |
* 'default' => 'M',
|
|
|
388 |
* ),
|
|
|
389 |
* )
|
|
|
390 |
* )
|
|
|
391 |
* )
|
|
|
392 |
*
|
|
|
393 |
* @param boolean $check indicates whether the function should just check if the DBMS driver
|
|
|
394 |
* can perform the requested table alterations if the value is true or
|
|
|
395 |
* actually perform them otherwise.
|
|
|
396 |
* @access public
|
|
|
397 |
*
|
|
|
398 |
* @return mixed MDB2_OK on success, a MDB2 error on failure
|
|
|
399 |
*/
|
|
|
400 |
function alterTable($name, $changes, $check)
|
|
|
401 |
{
|
|
|
402 |
$db =& $this->getDBInstance();
|
|
|
403 |
if (PEAR::isError($db)) {
|
|
|
404 |
return $db;
|
|
|
405 |
}
|
|
|
406 |
|
|
|
407 |
return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
|
|
|
408 |
'method not implemented', __FUNCTION__);
|
|
|
409 |
}
|
|
|
410 |
|
|
|
411 |
// }}}
|
|
|
412 |
// {{{ listDatabases()
|
|
|
413 |
|
|
|
414 |
/**
|
|
|
415 |
* list all databases
|
|
|
416 |
*
|
|
|
417 |
* @return mixed data array on success, a MDB2 error on failure
|
|
|
418 |
* @access public
|
|
|
419 |
*/
|
|
|
420 |
function listDatabases()
|
|
|
421 |
{
|
|
|
422 |
$db =& $this->getDBInstance();
|
|
|
423 |
if (PEAR::isError($db)) {
|
|
|
424 |
return $db;
|
|
|
425 |
}
|
|
|
426 |
|
|
|
427 |
return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
|
|
|
428 |
'method not implementedd', __FUNCTION__);
|
|
|
429 |
}
|
|
|
430 |
|
|
|
431 |
// }}}
|
|
|
432 |
// {{{ listUsers()
|
|
|
433 |
|
|
|
434 |
/**
|
|
|
435 |
* list all users
|
|
|
436 |
*
|
|
|
437 |
* @return mixed data array on success, a MDB2 error on failure
|
|
|
438 |
* @access public
|
|
|
439 |
*/
|
|
|
440 |
function listUsers()
|
|
|
441 |
{
|
|
|
442 |
$db =& $this->getDBInstance();
|
|
|
443 |
if (PEAR::isError($db)) {
|
|
|
444 |
return $db;
|
|
|
445 |
}
|
|
|
446 |
|
|
|
447 |
return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
|
|
|
448 |
'method not implemented', __FUNCTION__);
|
|
|
449 |
}
|
|
|
450 |
|
|
|
451 |
// }}}
|
|
|
452 |
// {{{ listViews()
|
|
|
453 |
|
|
|
454 |
/**
|
|
|
455 |
* list all views in the current database
|
|
|
456 |
*
|
|
|
457 |
* @param string database, the current is default
|
|
|
458 |
* @return mixed data array on success, a MDB2 error on failure
|
|
|
459 |
* @access public
|
|
|
460 |
*/
|
|
|
461 |
function listViews($database = null)
|
|
|
462 |
{
|
|
|
463 |
$db =& $this->getDBInstance();
|
|
|
464 |
if (PEAR::isError($db)) {
|
|
|
465 |
return $db;
|
|
|
466 |
}
|
|
|
467 |
|
|
|
468 |
return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
|
|
|
469 |
'method not implemented', __FUNCTION__);
|
|
|
470 |
}
|
|
|
471 |
|
|
|
472 |
// }}}
|
|
|
473 |
// {{{ listTableViews()
|
|
|
474 |
|
|
|
475 |
/**
|
|
|
476 |
* list the views in the database that reference a given table
|
|
|
477 |
*
|
|
|
478 |
* @param string table for which all references views should be found
|
|
|
479 |
* @return mixed MDB2_OK on success, a MDB2 error on failure
|
|
|
480 |
* @access public
|
|
|
481 |
**/
|
|
|
482 |
function listTableViews($table)
|
|
|
483 |
{
|
|
|
484 |
$db =& $this->getDBInstance();
|
|
|
485 |
if (PEAR::isError($db)) {
|
|
|
486 |
return $db;
|
|
|
487 |
}
|
|
|
488 |
|
|
|
489 |
return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
|
|
|
490 |
'method not implemented', __FUNCTION__);
|
|
|
491 |
}
|
|
|
492 |
|
|
|
493 |
// }}}
|
|
|
494 |
// {{{ listTableTriggers()
|
|
|
495 |
/**
|
|
|
496 |
* This function will be called to get all triggers of the
|
|
|
497 |
* current database ($db->getDatabase())
|
|
|
498 |
*
|
|
|
499 |
* @access public
|
|
|
500 |
* @param string $table The name of the table from the
|
|
|
501 |
* previous database to query against.
|
|
|
502 |
* @return mixed Array on success or MDB2 error on failure
|
|
|
503 |
*/
|
|
|
504 |
function listTableTriggers($table = null)
|
|
|
505 |
{
|
|
|
506 |
$db =& $this->getDBInstance();
|
|
|
507 |
if (PEAR::isError($db)) {
|
|
|
508 |
return $db;
|
|
|
509 |
}
|
|
|
510 |
|
|
|
511 |
return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
|
|
|
512 |
'method not implemented', __FUNCTION__);
|
|
|
513 |
}
|
|
|
514 |
// }}}
|
|
|
515 |
// {{{ listFunctions()
|
|
|
516 |
|
|
|
517 |
/**
|
|
|
518 |
* list all functions in the current database
|
|
|
519 |
*
|
|
|
520 |
* @return mixed data array on success, a MDB2 error on failure
|
|
|
521 |
* @access public
|
|
|
522 |
*/
|
|
|
523 |
function listFunctions()
|
|
|
524 |
{
|
|
|
525 |
$db =& $this->getDBInstance();
|
|
|
526 |
if (PEAR::isError($db)) {
|
|
|
527 |
return $db;
|
|
|
528 |
}
|
|
|
529 |
|
|
|
530 |
return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
|
|
|
531 |
'method not implemented', __FUNCTION__);
|
|
|
532 |
}
|
|
|
533 |
// }}}
|
|
|
534 |
// {{{ listTables()
|
|
|
535 |
|
|
|
536 |
/**
|
|
|
537 |
* list all tables in the current database
|
|
|
538 |
*
|
|
|
539 |
* @param string database, the current is default
|
|
|
540 |
* @return mixed data array on success, a MDB2 error on failure
|
|
|
541 |
* @access public
|
|
|
542 |
*/
|
|
|
543 |
function listTables($database = null)
|
|
|
544 |
{
|
|
|
545 |
$db =& $this->getDBInstance();
|
|
|
546 |
if (PEAR::isError($db)) {
|
|
|
547 |
return $db;
|
|
|
548 |
}
|
|
|
549 |
|
|
|
550 |
return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
|
|
|
551 |
'method not implemented', __FUNCTION__);
|
|
|
552 |
}
|
|
|
553 |
|
|
|
554 |
// }}}
|
|
|
555 |
// {{{ listTableFields()
|
|
|
556 |
|
|
|
557 |
/**
|
|
|
558 |
* list all fields in a tables in the current database
|
|
|
559 |
*
|
|
|
560 |
* @param string $table name of table that should be used in method
|
|
|
561 |
* @return mixed data array on success, a MDB2 error on failure
|
|
|
562 |
* @access public
|
|
|
563 |
*/
|
|
|
564 |
function listTableFields($table)
|
|
|
565 |
{
|
|
|
566 |
$db =& $this->getDBInstance();
|
|
|
567 |
if (PEAR::isError($db)) {
|
|
|
568 |
return $db;
|
|
|
569 |
}
|
|
|
570 |
|
|
|
571 |
return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
|
|
|
572 |
'method not implemented', __FUNCTION__);
|
|
|
573 |
}
|
|
|
574 |
|
|
|
575 |
// }}}
|
|
|
576 |
// {{{ createIndex()
|
|
|
577 |
|
|
|
578 |
/**
|
|
|
579 |
* Get the stucture of a field into an array
|
|
|
580 |
*
|
|
|
581 |
* @param string $table name of the table on which the index is to be created
|
|
|
582 |
* @param string $name name of the index to be created
|
|
|
583 |
* @param array $definition associative array that defines properties of the index to be created.
|
|
|
584 |
* Currently, only one property named FIELDS is supported. This property
|
|
|
585 |
* is also an associative with the names of the index fields as array
|
|
|
586 |
* indexes. Each entry of this array is set to another type of associative
|
|
|
587 |
* array that specifies properties of the index that are specific to
|
|
|
588 |
* each field.
|
|
|
589 |
*
|
|
|
590 |
* Currently, only the sorting property is supported. It should be used
|
|
|
591 |
* to define the sorting direction of the index. It may be set to either
|
|
|
592 |
* ascending or descending.
|
|
|
593 |
*
|
|
|
594 |
* Not all DBMS support index sorting direction configuration. The DBMS
|
|
|
595 |
* drivers of those that do not support it ignore this property. Use the
|
|
|
596 |
* function supports() to determine whether the DBMS driver can manage indexes.
|
|
|
597 |
*
|
|
|
598 |
* Example
|
|
|
599 |
* array(
|
|
|
600 |
* 'fields' => array(
|
|
|
601 |
* 'user_name' => array(
|
|
|
602 |
* 'sorting' => 'ascending'
|
|
|
603 |
* ),
|
|
|
604 |
* 'last_login' => array()
|
|
|
605 |
* )
|
|
|
606 |
* )
|
|
|
607 |
* @return mixed MDB2_OK on success, a MDB2 error on failure
|
|
|
608 |
* @access public
|
|
|
609 |
*/
|
|
|
610 |
function createIndex($table, $name, $definition)
|
|
|
611 |
{
|
|
|
612 |
$db =& $this->getDBInstance();
|
|
|
613 |
if (PEAR::isError($db)) {
|
|
|
614 |
return $db;
|
|
|
615 |
}
|
|
|
616 |
|
|
|
617 |
$table = $db->quoteIdentifier($table, true);
|
|
|
618 |
$name = $db->quoteIdentifier($db->getIndexName($name), true);
|
|
|
619 |
$query = "CREATE INDEX $name ON $table";
|
|
|
620 |
$fields = array();
|
|
|
621 |
foreach (array_keys($definition['fields']) as $field) {
|
|
|
622 |
$fields[] = $db->quoteIdentifier($field, true);
|
|
|
623 |
}
|
|
|
624 |
$query .= ' ('. implode(', ', $fields) . ')';
|
|
|
625 |
return $db->exec($query);
|
|
|
626 |
}
|
|
|
627 |
|
|
|
628 |
// }}}
|
|
|
629 |
// {{{ dropIndex()
|
|
|
630 |
|
|
|
631 |
/**
|
|
|
632 |
* drop existing index
|
|
|
633 |
*
|
|
|
634 |
* @param string $table name of table that should be used in method
|
|
|
635 |
* @param string $name name of the index to be dropped
|
|
|
636 |
* @return mixed MDB2_OK on success, a MDB2 error on failure
|
|
|
637 |
* @access public
|
|
|
638 |
*/
|
|
|
639 |
function dropIndex($table, $name)
|
|
|
640 |
{
|
|
|
641 |
$db =& $this->getDBInstance();
|
|
|
642 |
if (PEAR::isError($db)) {
|
|
|
643 |
return $db;
|
|
|
644 |
}
|
|
|
645 |
|
|
|
646 |
$name = $db->quoteIdentifier($db->getIndexName($name), true);
|
|
|
647 |
return $db->exec("DROP INDEX $name");
|
|
|
648 |
}
|
|
|
649 |
|
|
|
650 |
// }}}
|
|
|
651 |
// {{{ listTableIndexes()
|
|
|
652 |
|
|
|
653 |
/**
|
|
|
654 |
* list all indexes in a table
|
|
|
655 |
*
|
|
|
656 |
* @param string $table name of table that should be used in method
|
|
|
657 |
* @return mixed data array on success, a MDB2 error on failure
|
|
|
658 |
* @access public
|
|
|
659 |
*/
|
|
|
660 |
function listTableIndexes($table)
|
|
|
661 |
{
|
|
|
662 |
$db =& $this->getDBInstance();
|
|
|
663 |
if (PEAR::isError($db)) {
|
|
|
664 |
return $db;
|
|
|
665 |
}
|
|
|
666 |
|
|
|
667 |
return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
|
|
|
668 |
'method not implemented', __FUNCTION__);
|
|
|
669 |
}
|
|
|
670 |
|
|
|
671 |
// }}}
|
|
|
672 |
// {{{ createConstraint()
|
|
|
673 |
|
|
|
674 |
/**
|
|
|
675 |
* create a constraint on a table
|
|
|
676 |
*
|
|
|
677 |
* @param string $table name of the table on which the constraint is to be created
|
|
|
678 |
* @param string $name name of the constraint to be created
|
|
|
679 |
* @param array $definition associative array that defines properties of the constraint to be created.
|
|
|
680 |
* Currently, only one property named FIELDS is supported. This property
|
|
|
681 |
* is also an associative with the names of the constraint fields as array
|
|
|
682 |
* constraints. Each entry of this array is set to another type of associative
|
|
|
683 |
* array that specifies properties of the constraint that are specific to
|
|
|
684 |
* each field.
|
|
|
685 |
*
|
|
|
686 |
* Example
|
|
|
687 |
* array(
|
|
|
688 |
* 'fields' => array(
|
|
|
689 |
* 'user_name' => array(),
|
|
|
690 |
* 'last_login' => array()
|
|
|
691 |
* )
|
|
|
692 |
* )
|
|
|
693 |
* @return mixed MDB2_OK on success, a MDB2 error on failure
|
|
|
694 |
* @access public
|
|
|
695 |
*/
|
|
|
696 |
function createConstraint($table, $name, $definition)
|
|
|
697 |
{
|
|
|
698 |
$db =& $this->getDBInstance();
|
|
|
699 |
if (PEAR::isError($db)) {
|
|
|
700 |
return $db;
|
|
|
701 |
}
|
|
|
702 |
$table = $db->quoteIdentifier($table, true);
|
|
|
703 |
$name = $db->quoteIdentifier($db->getIndexName($name), true);
|
|
|
704 |
$query = "ALTER TABLE $table ADD CONSTRAINT $name";
|
|
|
705 |
if (!empty($definition['primary'])) {
|
|
|
706 |
$query.= ' PRIMARY KEY';
|
|
|
707 |
} elseif (!empty($definition['unique'])) {
|
|
|
708 |
$query.= ' UNIQUE';
|
|
|
709 |
}
|
|
|
710 |
$fields = array();
|
|
|
711 |
foreach (array_keys($definition['fields']) as $field) {
|
|
|
712 |
$fields[] = $db->quoteIdentifier($field, true);
|
|
|
713 |
}
|
|
|
714 |
$query .= ' ('. implode(', ', $fields) . ')';
|
|
|
715 |
return $db->exec($query);
|
|
|
716 |
}
|
|
|
717 |
|
|
|
718 |
// }}}
|
|
|
719 |
// {{{ dropConstraint()
|
|
|
720 |
|
|
|
721 |
/**
|
|
|
722 |
* drop existing constraint
|
|
|
723 |
*
|
|
|
724 |
* @param string $table name of table that should be used in method
|
|
|
725 |
* @param string $name name of the constraint to be dropped
|
|
|
726 |
* @param string $primary hint if the constraint is primary
|
|
|
727 |
* @return mixed MDB2_OK on success, a MDB2 error on failure
|
|
|
728 |
* @access public
|
|
|
729 |
*/
|
|
|
730 |
function dropConstraint($table, $name, $primary = false)
|
|
|
731 |
{
|
|
|
732 |
$db =& $this->getDBInstance();
|
|
|
733 |
if (PEAR::isError($db)) {
|
|
|
734 |
return $db;
|
|
|
735 |
}
|
|
|
736 |
|
|
|
737 |
$table = $db->quoteIdentifier($table, true);
|
|
|
738 |
$name = $db->quoteIdentifier($db->getIndexName($name), true);
|
|
|
739 |
return $db->exec("ALTER TABLE $table DROP CONSTRAINT $name");
|
|
|
740 |
}
|
|
|
741 |
|
|
|
742 |
// }}}
|
|
|
743 |
// {{{ listTableConstraints()
|
|
|
744 |
|
|
|
745 |
/**
|
|
|
746 |
* list all constraints in a table
|
|
|
747 |
*
|
|
|
748 |
* @param string $table name of table that should be used in method
|
|
|
749 |
* @return mixed data array on success, a MDB2 error on failure
|
|
|
750 |
* @access public
|
|
|
751 |
*/
|
|
|
752 |
function listTableConstraints($table)
|
|
|
753 |
{
|
|
|
754 |
$db =& $this->getDBInstance();
|
|
|
755 |
if (PEAR::isError($db)) {
|
|
|
756 |
return $db;
|
|
|
757 |
}
|
|
|
758 |
|
|
|
759 |
return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
|
|
|
760 |
'method not implemented', __FUNCTION__);
|
|
|
761 |
}
|
|
|
762 |
|
|
|
763 |
// }}}
|
|
|
764 |
// {{{ createSequence()
|
|
|
765 |
|
|
|
766 |
/**
|
|
|
767 |
* create sequence
|
|
|
768 |
*
|
|
|
769 |
* @param string $seq_name name of the sequence to be created
|
|
|
770 |
* @param string $start start value of the sequence; default is 1
|
|
|
771 |
* @return mixed MDB2_OK on success, a MDB2 error on failure
|
|
|
772 |
* @access public
|
|
|
773 |
*/
|
|
|
774 |
function createSequence($seq_name, $start = 1)
|
|
|
775 |
{
|
|
|
776 |
$db =& $this->getDBInstance();
|
|
|
777 |
if (PEAR::isError($db)) {
|
|
|
778 |
return $db;
|
|
|
779 |
}
|
|
|
780 |
|
|
|
781 |
return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
|
|
|
782 |
'method not implemented', __FUNCTION__);
|
|
|
783 |
}
|
|
|
784 |
|
|
|
785 |
// }}}
|
|
|
786 |
// {{{ dropSequence()
|
|
|
787 |
|
|
|
788 |
/**
|
|
|
789 |
* drop existing sequence
|
|
|
790 |
*
|
|
|
791 |
* @param string $seq_name name of the sequence to be dropped
|
|
|
792 |
* @return mixed MDB2_OK on success, a MDB2 error on failure
|
|
|
793 |
* @access public
|
|
|
794 |
*/
|
|
|
795 |
function dropSequence($name)
|
|
|
796 |
{
|
|
|
797 |
$db =& $this->getDBInstance();
|
|
|
798 |
if (PEAR::isError($db)) {
|
|
|
799 |
return $db;
|
|
|
800 |
}
|
|
|
801 |
|
|
|
802 |
return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
|
|
|
803 |
'method not implemented', __FUNCTION__);
|
|
|
804 |
}
|
|
|
805 |
|
|
|
806 |
// }}}
|
|
|
807 |
// {{{ listSequences()
|
|
|
808 |
|
|
|
809 |
/**
|
|
|
810 |
* list all sequences in the current database
|
|
|
811 |
*
|
|
|
812 |
* @param string database, the current is default
|
|
|
813 |
* @return mixed data array on success, a MDB2 error on failure
|
|
|
814 |
* @access public
|
|
|
815 |
*/
|
|
|
816 |
function listSequences($database = null)
|
|
|
817 |
{
|
|
|
818 |
$db =& $this->getDBInstance();
|
|
|
819 |
if (PEAR::isError($db)) {
|
|
|
820 |
return $db;
|
|
|
821 |
}
|
|
|
822 |
|
|
|
823 |
return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
|
|
|
824 |
'method not implemented', __FUNCTION__);
|
|
|
825 |
}
|
|
|
826 |
}
|
|
|
827 |
|
|
|
828 |
?>
|