611 lines
		
	
	
		
			25 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			611 lines
		
	
	
		
			25 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
| <?php
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| // +----------------------------------------------------------------------+
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| // | PHP versions 4 and 5                                                 |
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| // +----------------------------------------------------------------------+
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| // | Copyright (c) 1998-2007 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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| // $Id$
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| //
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| 
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| require_once 'MDB2/Driver/Reverse/Common.php';
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| 
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| /**
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|  * MDB2 MySQLi driver for the schema reverse engineering module
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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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|  * @author  Lorenzo Alberton <l.alberton@quipo.it>
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|  */
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| class MDB2_Driver_Reverse_mysqli extends MDB2_Driver_Reverse_Common
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| {
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|     /**
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|      * Array for converting MYSQLI_*_FLAG constants to text values
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|      * @var    array
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|      * @access public
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|      */
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|     var $flags = array(
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|         MYSQLI_NOT_NULL_FLAG        => 'not_null',
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|         MYSQLI_PRI_KEY_FLAG         => 'primary_key',
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|         MYSQLI_UNIQUE_KEY_FLAG      => 'unique_key',
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|         MYSQLI_MULTIPLE_KEY_FLAG    => 'multiple_key',
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|         MYSQLI_BLOB_FLAG            => 'blob',
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|         MYSQLI_UNSIGNED_FLAG        => 'unsigned',
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|         MYSQLI_ZEROFILL_FLAG        => 'zerofill',
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|         MYSQLI_AUTO_INCREMENT_FLAG  => 'auto_increment',
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|         MYSQLI_TIMESTAMP_FLAG       => 'timestamp',
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|         MYSQLI_SET_FLAG             => 'set',
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|         // MYSQLI_NUM_FLAG             => 'numeric',  // unnecessary
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|         // MYSQLI_PART_KEY_FLAG        => 'multiple_key',  // duplicatvie
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|         MYSQLI_GROUP_FLAG           => 'group_by'
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|     );
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| 
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|     /**
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|      * Array for converting MYSQLI_TYPE_* constants to text values
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|      * @var    array
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|      * @access public
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|      */
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|     var $types = array(
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|         MYSQLI_TYPE_DECIMAL     => 'decimal',
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|         246                     => 'decimal',
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|         MYSQLI_TYPE_TINY        => 'tinyint',
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|         MYSQLI_TYPE_SHORT       => 'int',
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|         MYSQLI_TYPE_LONG        => 'int',
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|         MYSQLI_TYPE_FLOAT       => 'float',
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|         MYSQLI_TYPE_DOUBLE      => 'double',
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|         // MYSQLI_TYPE_NULL        => 'DEFAULT NULL',  // let flags handle it
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|         MYSQLI_TYPE_TIMESTAMP   => 'timestamp',
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|         MYSQLI_TYPE_LONGLONG    => 'bigint',
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|         MYSQLI_TYPE_INT24       => 'mediumint',
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|         MYSQLI_TYPE_DATE        => 'date',
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|         MYSQLI_TYPE_TIME        => 'time',
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|         MYSQLI_TYPE_DATETIME    => 'datetime',
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|         MYSQLI_TYPE_YEAR        => 'year',
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|         MYSQLI_TYPE_NEWDATE     => 'date',
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|         MYSQLI_TYPE_ENUM        => 'enum',
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|         MYSQLI_TYPE_SET         => 'set',
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|         MYSQLI_TYPE_TINY_BLOB   => 'tinyblob',
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|         MYSQLI_TYPE_MEDIUM_BLOB => 'mediumblob',
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|         MYSQLI_TYPE_LONG_BLOB   => 'longblob',
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|         MYSQLI_TYPE_BLOB        => 'blob',
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|         MYSQLI_TYPE_VAR_STRING  => 'varchar',
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|         MYSQLI_TYPE_STRING      => 'char',
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|         MYSQLI_TYPE_GEOMETRY    => 'geometry',
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|     );
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| 
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|     // {{{ getTableFieldDefinition()
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| 
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|     /**
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|      * Get the structure of a field into an array
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|      *
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|      * @param string $table_name name of table that should be used in method
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|      * @param string $field_name name of field that should be used in method
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|      * @return mixed data array on success, a MDB2 error on failure
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|      * @access public
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|      */
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|     function getTableFieldDefinition($table_name, $field_name)
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|     {
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|         $db = $this->getDBInstance();
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|         if (MDB2::isError($db)) {
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|             return $db;
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|         }
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| 
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|         $result = $db->loadModule('Datatype', null, true);
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|         if (MDB2::isError($result)) {
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|             return $result;
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|         }
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| 
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|         list($schema, $table) = $this->splitTableSchema($table_name);
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| 
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|         $table = $db->quoteIdentifier($table, true);
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|         $query = "SHOW FULL COLUMNS FROM $table LIKE ".$db->quote($field_name);
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|         $columns = $db->queryAll($query, null, MDB2_FETCHMODE_ASSOC);
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|         if (MDB2::isError($columns)) {
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|             return $columns;
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|         }
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|         foreach ($columns as $column) {
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|             $column = array_change_key_case($column, CASE_LOWER);
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|             $column['name'] = $column['field'];
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|             unset($column['field']);
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|             if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
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|                 if ($db->options['field_case'] == CASE_LOWER) {
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|                     $column['name'] = strtolower($column['name']);
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|                 } else {
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|                     $column['name'] = strtoupper($column['name']);
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|                 }
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|             } else {
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|                 $column = array_change_key_case($column, $db->options['field_case']);
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|             }
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|             if ($field_name == $column['name']) {
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|                 $mapped_datatype = $db->datatype->mapNativeDatatype($column);
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|                 if (MDB2::isError($mapped_datatype)) {
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|                     return $mapped_datatype;
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|                 }
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|                 list($types, $length, $unsigned, $fixed) = $mapped_datatype;
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|                 $notnull = false;
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|                 if (empty($column['null']) || $column['null'] !== 'YES') {
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|                     $notnull = true;
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|                 }
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|                 $default = false;
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|                 if (array_key_exists('default', $column)) {
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|                     $default = $column['default'];
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|                     if ((null === $default) && $notnull) {
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|                         $default = '';
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|                     }
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|                 }
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|                 $definition[0] = array(
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|                     'notnull' => $notnull,
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|                     'nativetype' => preg_replace('/^([a-z]+)[^a-z].*/i', '\\1', $column['type'])
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|                 );
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|                 $autoincrement = false;
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|                 if (!empty($column['extra'])) {
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|                     if ($column['extra'] == 'auto_increment') {
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|                         $autoincrement = true;
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|                     } else {
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|                         $definition[0]['extra'] = $column['extra'];
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|                     }
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|                 }
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|                 $collate = null;
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|                 if (!empty($column['collation'])) {
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|                     $collate = $column['collation'];
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|                     $charset = preg_replace('/(.+?)(_.+)?/', '$1', $collate);
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|                 }
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| 
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|                 if (null !== $length) {
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|                     $definition[0]['length'] = $length;
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|                 }
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|                 if (null !== $unsigned) {
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|                     $definition[0]['unsigned'] = $unsigned;
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|                 }
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|                 if (null !== $fixed) {
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|                     $definition[0]['fixed'] = $fixed;
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|                 }
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|                 if ($default !== false) {
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|                     $definition[0]['default'] = $default;
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|                 }
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|                 if ($autoincrement !== false) {
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|                     $definition[0]['autoincrement'] = $autoincrement;
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|                 }
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|                 if (null !== $collate) {
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|                     $definition[0]['collate'] = $collate;
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|                     $definition[0]['charset'] = $charset;
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|                 }
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|                 foreach ($types as $key => $type) {
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|                     $definition[$key] = $definition[0];
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|                     if ($type == 'clob' || $type == 'blob') {
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|                         unset($definition[$key]['default']);
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|                     } elseif ($type == 'timestamp' && $notnull && empty($definition[$key]['default'])) {
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|                         $definition[$key]['default'] = '0000-00-00 00:00:00';
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|                     }
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|                     $definition[$key]['type'] = $type;
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|                     $definition[$key]['mdb2type'] = $type;
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|                 }
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|                 return $definition;
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|             }
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|         }
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| 
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|         return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
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|             'it was not specified an existing table column', __FUNCTION__);
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|     }
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| 
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|     // }}}
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|     // {{{ getTableIndexDefinition()
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| 
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|     /**
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|      * Get the structure of an index into an array
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|      *
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|      * @param string $table_name name of table that should be used in method
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|      * @param string $index_name name of index that should be used in method
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|      * @return mixed data array on success, a MDB2 error on failure
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|      * @access public
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|      */
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|     function getTableIndexDefinition($table_name, $index_name)
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|     {
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|         $db = $this->getDBInstance();
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|         if (MDB2::isError($db)) {
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|             return $db;
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|         }
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| 
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|         list($schema, $table) = $this->splitTableSchema($table_name);
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| 
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|         $table = $db->quoteIdentifier($table, true);
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|         $query = "SHOW INDEX FROM $table /*!50002 WHERE Key_name = %s */";
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|         $index_name_mdb2 = $db->getIndexName($index_name);
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|         $result = $db->queryRow(sprintf($query, $db->quote($index_name_mdb2)));
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|         if (!MDB2::isError($result) && (null !== $result)) {
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|             // apply 'idxname_format' only if the query succeeded, otherwise
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|             // fallback to the given $index_name, without transformation
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|             $index_name = $index_name_mdb2;
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|         }
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|         $result = $db->query(sprintf($query, $db->quote($index_name)));
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|         if (MDB2::isError($result)) {
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|             return $result;
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|         }
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|         $colpos = 1;
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|         $definition = array();
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|         while (is_array($row = $result->fetchRow(MDB2_FETCHMODE_ASSOC))) {
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|             $row = array_change_key_case($row, CASE_LOWER);
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|             $key_name = $row['key_name'];
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|             if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
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|                 if ($db->options['field_case'] == CASE_LOWER) {
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|                     $key_name = strtolower($key_name);
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|                 } else {
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|                     $key_name = strtoupper($key_name);
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|                 }
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|             }
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|             if ($index_name == $key_name) {
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|                 if (!$row['non_unique']) {
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|                     return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
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|                         $index_name . ' is not an existing table index', __FUNCTION__);
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|                 }
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|                 $column_name = $row['column_name'];
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|                 if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
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|                     if ($db->options['field_case'] == CASE_LOWER) {
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|                         $column_name = strtolower($column_name);
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|                     } else {
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|                         $column_name = strtoupper($column_name);
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|                     }
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|                 }
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|                 $definition['fields'][$column_name] = array(
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|                     'position' => $colpos++
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|                 );
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|                 if (!empty($row['collation'])) {
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|                     $definition['fields'][$column_name]['sorting'] = ($row['collation'] == 'A'
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|                         ? 'ascending' : 'descending');
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|                 }
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|             }
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|         }
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|         $result->free();
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|         if (empty($definition['fields'])) {
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|             return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
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|                 $index_name . ' is not an existing table index', __FUNCTION__);
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|         }
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|         return $definition;
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|     }
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| 
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|     // }}}
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|     // {{{ getTableConstraintDefinition()
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| 
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|     /**
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|      * Get the structure of a constraint into an array
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|      *
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|      * @param string $table_name      name of table that should be used in method
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|      * @param string $constraint_name name of constraint that should be used in method
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|      * @return mixed data array on success, a MDB2 error on failure
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|      * @access public
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|      */
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|     function getTableConstraintDefinition($table_name, $constraint_name)
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|     {
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|         $db = $this->getDBInstance();
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|         if (MDB2::isError($db)) {
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|             return $db;
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|         }
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| 
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|         list($schema, $table) = $this->splitTableSchema($table_name);
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|         $constraint_name_original = $constraint_name;
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| 
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|         $table = $db->quoteIdentifier($table, true);
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|         $query = "SHOW INDEX FROM $table /*!50002 WHERE Key_name = %s */";
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|         if (strtolower($constraint_name) != 'primary') {
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|             $constraint_name_mdb2 = $db->getIndexName($constraint_name);
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|             $result = $db->queryRow(sprintf($query, $db->quote($constraint_name_mdb2)));
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|             if (!MDB2::isError($result) && (null !== $result)) {
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|                 // apply 'idxname_format' only if the query succeeded, otherwise
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|                 // fallback to the given $index_name, without transformation
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|                 $constraint_name = $constraint_name_mdb2;
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|             }
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|         }
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|         $result = $db->query(sprintf($query, $db->quote($constraint_name)));
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|         if (MDB2::isError($result)) {
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|             return $result;
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|         }
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|         $colpos = 1;
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|         //default values, eventually overridden
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|         $definition = array(
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|             'primary' => false,
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|             'unique'  => false,
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|             'foreign' => false,
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|             'check'   => false,
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|             'fields'  => array(),
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|             'references' => array(
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|                 'table'  => '',
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|                 'fields' => array(),
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|             ),
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|             'onupdate'  => '',
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|             'ondelete'  => '',
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|             'match'     => '',
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|             'deferrable'        => false,
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|             'initiallydeferred' => false,
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|         );
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|         while (is_array($row = $result->fetchRow(MDB2_FETCHMODE_ASSOC))) {
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|             $row = array_change_key_case($row, CASE_LOWER);
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|             $key_name = $row['key_name'];
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|             if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
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|                 if ($db->options['field_case'] == CASE_LOWER) {
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|                     $key_name = strtolower($key_name);
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|                 } else {
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|                     $key_name = strtoupper($key_name);
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|                 }
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|             }
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|             if ($constraint_name == $key_name) {
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|                 if ($row['non_unique']) {
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|                     //FOREIGN KEY?
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|                     return $this->_getTableFKConstraintDefinition($table, $constraint_name_original, $definition);
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|                 }
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|                 if ($row['key_name'] == 'PRIMARY') {
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|                     $definition['primary'] = true;
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|                 } elseif (!$row['non_unique']) {
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|                     $definition['unique'] = true;
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|                 }
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|                 $column_name = $row['column_name'];
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|                 if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
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|                     if ($db->options['field_case'] == CASE_LOWER) {
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|                         $column_name = strtolower($column_name);
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|                     } else {
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|                         $column_name = strtoupper($column_name);
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|                     }
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|                 }
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|                 $definition['fields'][$column_name] = array(
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|                     'position' => $colpos++
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|                 );
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|                 if (!empty($row['collation'])) {
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|                     $definition['fields'][$column_name]['sorting'] = ($row['collation'] == 'A'
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|                         ? 'ascending' : 'descending');
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|                 }
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|             }
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|         }
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|         $result->free();
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|         if (empty($definition['fields'])) {
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|             return $this->_getTableFKConstraintDefinition($table, $constraint_name_original, $definition);
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|         }
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|         return $definition;
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|     }
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| 
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|     // }}}
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|     // {{{ _getTableFKConstraintDefinition()
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| 
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|     /**
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|      * Get the FK definition from the CREATE TABLE statement
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|      *
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|      * @param string $table           table name
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|      * @param string $constraint_name constraint name
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|      * @param array  $definition      default values for constraint definition
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|      *
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|      * @return array|PEAR_Error
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|      * @access private
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|      */
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|     function _getTableFKConstraintDefinition($table, $constraint_name, $definition)
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|     {
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|         $db = $this->getDBInstance();
 | |
|         if (MDB2::isError($db)) {
 | |
|             return $db;
 | |
|         }
 | |
|         //Use INFORMATION_SCHEMA instead?
 | |
|         //SELECT *
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|         //  FROM INFORMATION_SCHEMA.REFERENTIAL_CONSTRAINTS
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|         // WHERE CONSTRAINT_SCHEMA = '$dbname'
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|         //   AND TABLE_NAME = '$table'
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|         //   AND CONSTRAINT_NAME = '$constraint_name';
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|         $query = 'SHOW CREATE TABLE '. $db->escape($table);
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|         $constraint = $db->queryOne($query, 'text', 1);
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|         if (!MDB2::isError($constraint) && !empty($constraint)) {
 | |
|             if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
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|                 if ($db->options['field_case'] == CASE_LOWER) {
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|                     $constraint = strtolower($constraint);
 | |
|                 } else {
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|                     $constraint = strtoupper($constraint);
 | |
|                 }
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|             }
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|             $constraint_name_original = $constraint_name;
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|             $constraint_name = $db->getIndexName($constraint_name);
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|             $pattern = '/\bCONSTRAINT\s+'.$constraint_name.'\s+FOREIGN KEY\s+\(([^\)]+)\) \bREFERENCES\b ([^\s]+) \(([^\)]+)\)(?: ON DELETE ([^\s]+))?(?: ON UPDATE ([^\s]+))?/i';
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|             if (!preg_match($pattern, str_replace('`', '', $constraint), $matches)) {
 | |
|                 //fallback to original constraint name
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|                 $pattern = '/\bCONSTRAINT\s+'.$constraint_name_original.'\s+FOREIGN KEY\s+\(([^\)]+)\) \bREFERENCES\b ([^\s]+) \(([^\)]+)\)(?: ON DELETE ([^\s]+))?(?: ON UPDATE ([^\s]+))?/i';
 | |
|             }
 | |
|             if (preg_match($pattern, str_replace('`', '', $constraint), $matches)) {
 | |
|                 $definition['foreign'] = true;
 | |
|                 $column_names = explode(',', $matches[1]);
 | |
|                 $referenced_cols = explode(',', $matches[3]);
 | |
|                 $definition['references'] = array(
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|                     'table'  => $matches[2],
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|                     'fields' => array(),
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|                 );
 | |
|                 $colpos = 1;
 | |
|                 foreach ($column_names as $column_name) {
 | |
|                     $definition['fields'][trim($column_name)] = array(
 | |
|                         'position' => $colpos++
 | |
|                     );
 | |
|                 }
 | |
|                 $colpos = 1;
 | |
|                 foreach ($referenced_cols as $column_name) {
 | |
|                     $definition['references']['fields'][trim($column_name)] = array(
 | |
|                         'position' => $colpos++
 | |
|                     );
 | |
|                 }
 | |
|                 $definition['ondelete'] = empty($matches[4]) ? 'RESTRICT' : strtoupper($matches[4]);
 | |
|                 $definition['onupdate'] = empty($matches[5]) ? 'RESTRICT' : strtoupper($matches[5]);
 | |
|                 $definition['match']    = 'SIMPLE';
 | |
|                 return $definition;
 | |
|             }
 | |
|         }
 | |
|         return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
 | |
|                 $constraint_name . ' is not an existing table constraint', __FUNCTION__);
 | |
|     }
 | |
| 
 | |
|     // }}}
 | |
|     // {{{ getTriggerDefinition()
 | |
| 
 | |
|     /**
 | |
|      * Get the structure of a trigger into an array
 | |
|      *
 | |
|      * EXPERIMENTAL
 | |
|      *
 | |
|      * WARNING: this function is experimental and may change the returned value
 | |
|      * at any time until labelled as non-experimental
 | |
|      *
 | |
|      * @param string    $trigger    name of trigger that should be used in method
 | |
|      * @return mixed data array on success, a MDB2 error on failure
 | |
|      * @access public
 | |
|      */
 | |
|     function getTriggerDefinition($trigger)
 | |
|     {
 | |
|         $db = $this->getDBInstance();
 | |
|         if (MDB2::isError($db)) {
 | |
|             return $db;
 | |
|         }
 | |
| 
 | |
|         $query = 'SELECT trigger_name,
 | |
|                          event_object_table AS table_name,
 | |
|                          action_statement AS trigger_body,
 | |
|                          action_timing AS trigger_type,
 | |
|                          event_manipulation AS trigger_event
 | |
|                     FROM information_schema.triggers
 | |
|                    WHERE trigger_name = '. $db->quote($trigger, 'text');
 | |
|         $types = array(
 | |
|             'trigger_name'    => 'text',
 | |
|             'table_name'      => 'text',
 | |
|             'trigger_body'    => 'text',
 | |
|             'trigger_type'    => 'text',
 | |
|             'trigger_event'   => 'text',
 | |
|         );
 | |
|         $def = $db->queryRow($query, $types, MDB2_FETCHMODE_ASSOC);
 | |
|         if (MDB2::isError($def)) {
 | |
|             return $def;
 | |
|         }
 | |
|         $def['trigger_comment'] = '';
 | |
|         $def['trigger_enabled'] = true;
 | |
|         return $def;
 | |
|     }
 | |
| 
 | |
|     // }}}
 | |
|     // {{{ tableInfo()
 | |
| 
 | |
|     /**
 | |
|      * Returns information about a table or a result set
 | |
|      *
 | |
|      * @param object|string  $result  MDB2_result object from a query or a
 | |
|      *                                 string containing the name of a table.
 | |
|      *                                 While this also accepts a query result
 | |
|      *                                 resource identifier, this behavior is
 | |
|      *                                 deprecated.
 | |
|      * @param int            $mode    a valid tableInfo mode
 | |
|      *
 | |
|      * @return array  an associative array with the information requested.
 | |
|      *                 A MDB2_Error object on failure.
 | |
|      *
 | |
|      * @see MDB2_Driver_Common::setOption()
 | |
|      */
 | |
|     function tableInfo($result, $mode = null)
 | |
|     {
 | |
|         if (is_string($result)) {
 | |
|            return parent::tableInfo($result, $mode);
 | |
|         }
 | |
| 
 | |
|         $db = $this->getDBInstance();
 | |
|         if (MDB2::isError($db)) {
 | |
|             return $db;
 | |
|         }
 | |
| 
 | |
|         $resource = MDB2::isResultCommon($result) ? $result->getResource() : $result;
 | |
|         if (!is_object($resource)) {
 | |
|             return $db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
 | |
|                 'Could not generate result resource', __FUNCTION__);
 | |
|         }
 | |
| 
 | |
|         if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
 | |
|             if ($db->options['field_case'] == CASE_LOWER) {
 | |
|                 $case_func = 'strtolower';
 | |
|             } else {
 | |
|                 $case_func = 'strtoupper';
 | |
|             }
 | |
|         } else {
 | |
|             $case_func = 'strval';
 | |
|         }
 | |
| 
 | |
|         $count = @mysqli_num_fields($resource);
 | |
|         $res = array();
 | |
|         if ($mode) {
 | |
|             $res['num_fields'] = $count;
 | |
|         }
 | |
| 
 | |
|         $db->loadModule('Datatype', null, true);
 | |
|         for ($i = 0; $i < $count; $i++) {
 | |
|             $tmp = @mysqli_fetch_field($resource);
 | |
| 
 | |
|             $flags = '';
 | |
|             foreach ($this->flags as $const => $means) {
 | |
|                 if ($tmp->flags & $const) {
 | |
|                     $flags.= $means . ' ';
 | |
|                 }
 | |
|             }
 | |
|             if ($tmp->def) {
 | |
|                 $flags.= 'default_' . rawurlencode($tmp->def);
 | |
|             }
 | |
|             $flags = trim($flags);
 | |
| 
 | |
|             $res[$i] = array(
 | |
|                 'table'  => $case_func($tmp->table),
 | |
|                 'name'   => $case_func($tmp->name),
 | |
|                 'type'   => isset($this->types[$tmp->type])
 | |
|                     ? $this->types[$tmp->type] : 'unknown',
 | |
|                 // http://bugs.php.net/?id=36579
 | |
|                 'length' => $tmp->length,
 | |
|                 'flags'  => $flags,
 | |
|             );
 | |
|             $mdb2type_info = $db->datatype->mapNativeDatatype($res[$i]);
 | |
|             if (MDB2::isError($mdb2type_info)) {
 | |
|                return $mdb2type_info;
 | |
|             }
 | |
|             $res[$i]['mdb2type'] = $mdb2type_info[0][0];
 | |
|             if ($mode & MDB2_TABLEINFO_ORDER) {
 | |
|                 $res['order'][$res[$i]['name']] = $i;
 | |
|             }
 | |
|             if ($mode & MDB2_TABLEINFO_ORDERTABLE) {
 | |
|                 $res['ordertable'][$res[$i]['table']][$res[$i]['name']] = $i;
 | |
|             }
 | |
|         }
 | |
| 
 | |
|         return $res;
 | |
|     }
 | |
| }
 | |
| ?>
 |