githubFork/roundcubemail.git

old mode 100755 new mode 100644

			@@ -1,368 +1,578 @@
			<?php
			// +----------------------------------------------------------------------+
			// \| PHP versions 4 and 5 \|
			// +----------------------------------------------------------------------+
			// \| Copyright (c) 1998-2004 Manuel Lemos, Tomas V.V.Cox, \|
			// \| Stig. S. Bakken, Lukas Smith \|
			// \| All rights reserved. \|
			// +----------------------------------------------------------------------+
			// \| MDB2 is a merge of PEAR DB and Metabases that provides a unified DB \|
			// \| API as well as database abstraction for PHP applications. \|
			// \| This LICENSE is in the BSD license style. \|
			// \| \|
			// \| Redistribution and use in source and binary forms, with or without \|
			// \| modification, are permitted provided that the following conditions \|
			// \| are met: \|
			// \| \|
			// \| Redistributions of source code must retain the above copyright \|
			// \| notice, this list of conditions and the following disclaimer. \|
			// \| \|
			// \| Redistributions in binary form must reproduce the above copyright \|
			// \| notice, this list of conditions and the following disclaimer in the \|
			// \| documentation and/or other materials provided with the distribution. \|
			// \| \|
			// \| Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, \|
			// \| Lukas Smith nor the names of his contributors may be used to endorse \|
			// \| or promote products derived from this software without specific prior\|
			// \| written permission. \|
			// \| \|
			// \| THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS \|
			// \| "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT \|
			// \| LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS \|
			// \| FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE \|
			// \| REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, \|
			// \| INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, \|
			// \| BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS\|
			// \| OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED \|
			// \| AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT \|
			// \| LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY\|
			// \| WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE \|
			// \| POSSIBILITY OF SUCH DAMAGE. \|
			// +----------------------------------------------------------------------+
			// \| Author: Lukas Smith <smith@pooteeweet.org> \|
			// +----------------------------------------------------------------------+
			//
			// $Id$
			//

			require_once 'MDB2/Driver/Reverse/Common.php';

			/**
			* MDB2 MySQL driver for the schema reverse engineering module
			*
			* @package MDB2
			* @category Database
			* @author Lukas Smith <smith@pooteeweet.org>
			*/
			class MDB2_Driver_Reverse_mysqli extends MDB2_Driver_Reverse_Common
			{
			/**
			* Array for converting MYSQLI_*_FLAG constants to text values
			* @var array
			* @access public
			* @since Property available since Release 1.6.5
			*/
			var $flags = array(
			MYSQLI_NOT_NULL_FLAG => 'not_null',
			MYSQLI_PRI_KEY_FLAG => 'primary_key',
			MYSQLI_UNIQUE_KEY_FLAG => 'unique_key',
			MYSQLI_MULTIPLE_KEY_FLAG => 'multiple_key',
			MYSQLI_BLOB_FLAG => 'blob',
			MYSQLI_UNSIGNED_FLAG => 'unsigned',
			MYSQLI_ZEROFILL_FLAG => 'zerofill',
			MYSQLI_AUTO_INCREMENT_FLAG => 'auto_increment',
			MYSQLI_TIMESTAMP_FLAG => 'timestamp',
			MYSQLI_SET_FLAG => 'set',
			// MYSQLI_NUM_FLAG => 'numeric', // unnecessary
			// MYSQLI_PART_KEY_FLAG => 'multiple_key', // duplicatvie
			MYSQLI_GROUP_FLAG => 'group_by'
			);

			/**
			* Array for converting MYSQLI_TYPE_* constants to text values
			* @var array
			* @access public
			* @since Property available since Release 1.6.5
			*/
			var $types = array(
			MYSQLI_TYPE_DECIMAL => 'decimal',
			MYSQLI_TYPE_TINY => 'tinyint',
			MYSQLI_TYPE_SHORT => 'int',
			MYSQLI_TYPE_LONG => 'int',
			MYSQLI_TYPE_FLOAT => 'float',
			MYSQLI_TYPE_DOUBLE => 'double',
			// MYSQLI_TYPE_NULL => 'DEFAULT NULL', // let flags handle it
			MYSQLI_TYPE_TIMESTAMP => 'timestamp',
			MYSQLI_TYPE_LONGLONG => 'bigint',
			MYSQLI_TYPE_INT24 => 'mediumint',
			MYSQLI_TYPE_DATE => 'date',
			MYSQLI_TYPE_TIME => 'time',
			MYSQLI_TYPE_DATETIME => 'datetime',
			MYSQLI_TYPE_YEAR => 'year',
			MYSQLI_TYPE_NEWDATE => 'date',
			MYSQLI_TYPE_ENUM => 'enum',
			MYSQLI_TYPE_SET => 'set',
			MYSQLI_TYPE_TINY_BLOB => 'tinyblob',
			MYSQLI_TYPE_MEDIUM_BLOB => 'mediumblob',
			MYSQLI_TYPE_LONG_BLOB => 'longblob',
			MYSQLI_TYPE_BLOB => 'blob',
			MYSQLI_TYPE_VAR_STRING => 'varchar',
			MYSQLI_TYPE_STRING => 'char',
			MYSQLI_TYPE_GEOMETRY => 'geometry',
			);

			// {{{ getTableFieldDefinition()

			/**
			* get the stucture of a field into an array
			*
			* @param string $table name of table that should be used in method
			* @param string $field_name name of field that should be used in method
			* @return mixed data array on success, a MDB2 error on failure
			* @access public
			*/
			function getTableFieldDefinition($table, $field_name)
			{
			$db =& $this->getDBInstance();
			if (PEAR::isError($db)) {
			return $db;
			}

			$result = $db->loadModule('Datatype');
			if (PEAR::isError($result)) {
			return $result;
			}
			$columns = $db->queryAll("SHOW COLUMNS FROM $table", null, MDB2_FETCHMODE_ASSOC);
			if (PEAR::isError($columns)) {
			return $columns;
			}
			foreach ($columns as $column) {
			if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
			if ($db->options['field_case'] == CASE_LOWER) {
			$column['field'] = strtolower($column['field']);
			} else {
			$column['field'] = strtoupper($column['field']);
			}
			} else {
			$column = array_change_key_case($column, $db->options['field_case']);
			}
			if ($field_name == $column['field']) {
			list($types, $length) = $db->datatype->mapNativeDatatype($column);
			$notnull = false;
			if (array_key_exists('null', $column) && $column['null'] != 'YES') {
			$notnull = true;
			}
			$default = false;
			if (array_key_exists('default', $column)) {
			$default = $column['default'];
			if (is_null($default) && $notnull) {
			$default = '';
			}
			}
			$autoincrement = false;
			if (array_key_exists('extra', $column) && $column['extra'] == 'auto_increment') {
			$autoincrement = true;
			}
			$definition = array();
			foreach ($types as $key => $type) {
			$definition[$key] = array(
			'type' => $type,
			'notnull' => $notnull,
			);
			if ($length > 0) {
			$definition[$key]['length'] = $length;
			}
			if ($default !== false) {
			$definition[$key]['default'] = $default;
			}
			if ($autoincrement !== false) {
			$definition[$key]['autoincrement'] = $autoincrement;
			}
			}
			return $definition;
			}
			}

			return $db->raiseError(MDB2_ERROR, null, null,
			'getTableFieldDefinition: it was not specified an existing table column');
			}

			// }}}
			// {{{ getTableIndexDefinition()

			/**
			* get the stucture of an index into an array
			*
			* @param string $table name of table that should be used in method
			* @param string $index_name name of index that should be used in method
			* @return mixed data array on success, a MDB2 error on failure
			* @access public
			*/
			function getTableIndexDefinition($table, $index_name)
			{
			$db =& $this->getDBInstance();
			if (PEAR::isError($db)) {
			return $db;
			}

			$result = $db->query("SHOW INDEX FROM $table");
			if (PEAR::isError($result)) {
			return $result;
			}
			$definition = array();
			while (is_array($row = $result->fetchRow(MDB2_FETCHMODE_ASSOC))) {
			if (!($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE)
			\|\| $db->options['field_case'] != CASE_LOWER
			) {
			$row = array_change_key_case($row, CASE_LOWER);
			}
			$key_name = $row['key_name'];
			if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
			if ($db->options['field_case'] == CASE_LOWER) {
			$key_name = strtolower($key_name);
			} else {
			$key_name = strtoupper($key_name);
			}
			}
			if ($index_name == $key_name) {
			if ($row['key_name'] == 'PRIMARY') {
			$definition['primary'] = true;
			} elseif (!$row['non_unique']) {
			$definition['unique'] = true;
			}
			$column_name = $row['column_name'];
			if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
			if ($db->options['field_case'] == CASE_LOWER) {
			$column_name = strtolower($column_name);
			} else {
			$column_name = strtoupper($column_name);
			}
			}
			$definition['fields'][$column_name] = array();
			if (array_key_exists('collation', $row)) {
			$definition['fields'][$column_name]['sorting'] = ($row['collation'] == 'A'
			? 'ascending' : 'descending');
			}
			}
			}
			$result->free();
			if (!array_key_exists('fields', $definition)) {
			return $db->raiseError(MDB2_ERROR, null, null,
			'getTableIndexDefinition: it was not specified an existing table index');
			}
			return $definition;
			}

			// }}}
			// {{{ 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)
			{
			$db =& $this->getDBInstance();
			if (PEAR::isError($db)) {
			return $db;
			}

			if (is_string($result)) {
			/*
			* Probably received a table name.
			* Create a result resource identifier.
			*/
			$id = $db->_doQuery("SELECT * FROM $result LIMIT 0");
			if (PEAR::isError($id)) {
			return $id;
			}
			$got_string = true;
			} elseif (MDB2::isResultCommon($result)) {
			/*
			* Probably received a result object.
			* Extract the result resource identifier.
			*/
			$id = $result->getResource();
			$got_string = false;
			} else {
			/*
			* Probably received a result resource identifier.
			* Copy it.
			* Deprecated. Here for compatibility only.
			*/
			$id = $result;
			$got_string = false;
			}

			if (!is_a($id, 'mysqli_result')) {
			return $db->raiseError(MDB2_ERROR_NEED_MORE_DATA);
			}

			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';
			}

			$count = @mysqli_num_fields($id);
			$res = array();

			if ($mode) {
			$res['num_fields'] = $count;
			}

			for ($i = 0; $i < $count; $i++) {
			$tmp = @mysqli_fetch_field($id);

			$flags = '';
			foreach ($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',
			'len' => $tmp->max_length,
			'flags' => $flags,
			);

			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;
			}
			}

			// free the result only if we were called on a table
			if ($got_string) {
			@mysqli_free_result($id);
			}
			return $res;
			}
			}
			<?php
			// +----------------------------------------------------------------------+
			// \| PHP versions 4 and 5 \|
			// +----------------------------------------------------------------------+
			// \| Copyright (c) 1998-2007 Manuel Lemos, Tomas V.V.Cox, \|
			// \| Stig. S. Bakken, Lukas Smith \|
			// \| All rights reserved. \|
			// +----------------------------------------------------------------------+
			// \| MDB2 is a merge of PEAR DB and Metabases that provides a unified DB \|
			// \| API as well as database abstraction for PHP applications. \|
			// \| This LICENSE is in the BSD license style. \|
			// \| \|
			// \| Redistribution and use in source and binary forms, with or without \|
			// \| modification, are permitted provided that the following conditions \|
			// \| are met: \|
			// \| \|
			// \| Redistributions of source code must retain the above copyright \|
			// \| notice, this list of conditions and the following disclaimer. \|
			// \| \|
			// \| Redistributions in binary form must reproduce the above copyright \|
			// \| notice, this list of conditions and the following disclaimer in the \|
			// \| documentation and/or other materials provided with the distribution. \|
			// \| \|
			// \| Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, \|
			// \| Lukas Smith nor the names of his contributors may be used to endorse \|
			// \| or promote products derived from this software without specific prior\|
			// \| written permission. \|
			// \| \|
			// \| THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS \|
			// \| "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT \|
			// \| LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS \|
			// \| FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE \|
			// \| REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, \|
			// \| INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, \|
			// \| BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS\|
			// \| OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED \|
			// \| AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT \|
			// \| LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY\|
			// \| WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE \|
			// \| POSSIBILITY OF SUCH DAMAGE. \|
			// +----------------------------------------------------------------------+
			// \| Author: Lukas Smith <smith@pooteeweet.org> \|
			// +----------------------------------------------------------------------+
			//
			// $Id: mysqli.php,v 1.69 2007/11/25 13:38:29 quipo Exp $
			//

			require_once 'MDB2/Driver/Reverse/Common.php';

			/**
			* MDB2 MySQLi driver for the schema reverse engineering module
			*
			* @package MDB2
			* @category Database
			* @author Lukas Smith <smith@pooteeweet.org>
			* @author Lorenzo Alberton <l.alberton@quipo.it>
			*/
			class MDB2_Driver_Reverse_mysqli extends MDB2_Driver_Reverse_Common
			{
			/**
			* Array for converting MYSQLI_*_FLAG constants to text values
			* @var array
			* @access public
			*/
			var $flags = array(
			MYSQLI_NOT_NULL_FLAG => 'not_null',
			MYSQLI_PRI_KEY_FLAG => 'primary_key',
			MYSQLI_UNIQUE_KEY_FLAG => 'unique_key',
			MYSQLI_MULTIPLE_KEY_FLAG => 'multiple_key',
			MYSQLI_BLOB_FLAG => 'blob',
			MYSQLI_UNSIGNED_FLAG => 'unsigned',
			MYSQLI_ZEROFILL_FLAG => 'zerofill',
			MYSQLI_AUTO_INCREMENT_FLAG => 'auto_increment',
			MYSQLI_TIMESTAMP_FLAG => 'timestamp',
			MYSQLI_SET_FLAG => 'set',
			// MYSQLI_NUM_FLAG => 'numeric', // unnecessary
			// MYSQLI_PART_KEY_FLAG => 'multiple_key', // duplicatvie
			MYSQLI_GROUP_FLAG => 'group_by'
			);

			/**
			* Array for converting MYSQLI_TYPE_* constants to text values
			* @var array
			* @access public
			*/
			var $types = array(
			MYSQLI_TYPE_DECIMAL => 'decimal',
			246 => 'decimal',
			MYSQLI_TYPE_TINY => 'tinyint',
			MYSQLI_TYPE_SHORT => 'int',
			MYSQLI_TYPE_LONG => 'int',
			MYSQLI_TYPE_FLOAT => 'float',
			MYSQLI_TYPE_DOUBLE => 'double',
			// MYSQLI_TYPE_NULL => 'DEFAULT NULL', // let flags handle it
			MYSQLI_TYPE_TIMESTAMP => 'timestamp',
			MYSQLI_TYPE_LONGLONG => 'bigint',
			MYSQLI_TYPE_INT24 => 'mediumint',
			MYSQLI_TYPE_DATE => 'date',
			MYSQLI_TYPE_TIME => 'time',
			MYSQLI_TYPE_DATETIME => 'datetime',
			MYSQLI_TYPE_YEAR => 'year',
			MYSQLI_TYPE_NEWDATE => 'date',
			MYSQLI_TYPE_ENUM => 'enum',
			MYSQLI_TYPE_SET => 'set',
			MYSQLI_TYPE_TINY_BLOB => 'tinyblob',
			MYSQLI_TYPE_MEDIUM_BLOB => 'mediumblob',
			MYSQLI_TYPE_LONG_BLOB => 'longblob',
			MYSQLI_TYPE_BLOB => 'blob',
			MYSQLI_TYPE_VAR_STRING => 'varchar',
			MYSQLI_TYPE_STRING => 'char',
			MYSQLI_TYPE_GEOMETRY => 'geometry',
			);

			// {{{ getTableFieldDefinition()

			/**
			* Get the structure of a field into an array
			*
			* @param string $table_name name of table that should be used in method
			* @param string $field_name name of field that should be used in method
			* @return mixed data array on success, a MDB2 error on failure
			* @access public
			*/
			function getTableFieldDefinition($table_name, $field_name)
			{
			$db =& $this->getDBInstance();
			if (PEAR::isError($db)) {
			return $db;
			}

			$result = $db->loadModule('Datatype', null, true);
			if (PEAR::isError($result)) {
			return $result;
			}

			list($schema, $table) = $this->splitTableSchema($table_name);

			$table = $db->quoteIdentifier($table, true);
			$query = "SHOW FULL COLUMNS FROM $table LIKE ".$db->quote($field_name);
			$columns = $db->queryAll($query, null, MDB2_FETCHMODE_ASSOC);
			if (PEAR::isError($columns)) {
			return $columns;
			}
			foreach ($columns as $column) {
			$column = array_change_key_case($column, CASE_LOWER);
			$column['name'] = $column['field'];
			unset($column['field']);
			if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
			if ($db->options['field_case'] == CASE_LOWER) {
			$column['name'] = strtolower($column['name']);
			} else {
			$column['name'] = strtoupper($column['name']);
			}
			} else {
			$column = array_change_key_case($column, $db->options['field_case']);
			}
			if ($field_name == $column['name']) {
			$mapped_datatype = $db->datatype->mapNativeDatatype($column);
			if (PEAR::isError($mapped_datatype)) {
			return $mapped_datatype;
			}
			list($types, $length, $unsigned, $fixed) = $mapped_datatype;
			$notnull = false;
			if (empty($column['null']) \|\| $column['null'] !== 'YES') {
			$notnull = true;
			}
			$default = false;
			if (array_key_exists('default', $column)) {
			$default = $column['default'];
			if (is_null($default) && $notnull) {
			$default = '';
			}
			}
			$autoincrement = false;
			if (!empty($column['extra']) && $column['extra'] == 'auto_increment') {
			$autoincrement = true;
			}
			$collate = null;
			if (!empty($column['collation'])) {
			$collate = $column['collation'];
			$charset = preg_replace('/(.+?)(_.+)?/', '$1', $collate);
			}

			$definition[0] = array(
			'notnull' => $notnull,
			'nativetype' => preg_replace('/^([a-z]+)[^a-z].*/i', '\\1', $column['type'])
			);
			if (!is_null($length)) {
			$definition[0]['length'] = $length;
			}
			if (!is_null($unsigned)) {
			$definition[0]['unsigned'] = $unsigned;
			}
			if (!is_null($fixed)) {
			$definition[0]['fixed'] = $fixed;
			}
			if ($default !== false) {
			$definition[0]['default'] = $default;
			}
			if ($autoincrement !== false) {
			$definition[0]['autoincrement'] = $autoincrement;
			}
			if (!is_null($collate)) {
			$definition[0]['collate'] = $collate;
			$definition[0]['charset'] = $charset;
			}
			foreach ($types as $key => $type) {
			$definition[$key] = $definition[0];
			if ($type == 'clob' \|\| $type == 'blob') {
			unset($definition[$key]['default']);
			} elseif ($type == 'timestamp' && $notnull && empty($definition[$key]['default'])) {
			$definition[$key]['default'] = '0000-00-00 00:00:00';
			}
			$definition[$key]['type'] = $type;
			$definition[$key]['mdb2type'] = $type;
			}
			return $definition;
			}
			}

			return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
			'it was not specified an existing table column', __FUNCTION__);
			}

			// }}}
			// {{{ getTableIndexDefinition()

			/**
			* Get the structure of an index into an array
			*
			* @param string $table_name name of table that should be used in method
			* @param string $index_name name of index that should be used in method
			* @return mixed data array on success, a MDB2 error on failure
			* @access public
			*/
			function getTableIndexDefinition($table_name, $index_name)
			{
			$db =& $this->getDBInstance();
			if (PEAR::isError($db)) {
			return $db;
			}

			list($schema, $table) = $this->splitTableSchema($table_name);

			$table = $db->quoteIdentifier($table, true);
			$query = "SHOW INDEX FROM $table /!50002 WHERE Key_name = %s /";
			$index_name_mdb2 = $db->getIndexName($index_name);
			$result = $db->queryRow(sprintf($query, $db->quote($index_name_mdb2)));
			if (!PEAR::isError($result) && !is_null($result)) {
			// apply 'idxname_format' only if the query succeeded, otherwise
			// fallback to the given $index_name, without transformation
			$index_name = $index_name_mdb2;
			}
			$result = $db->query(sprintf($query, $db->quote($index_name)));
			if (PEAR::isError($result)) {
			return $result;
			}
			$colpos = 1;
			$definition = array();
			while (is_array($row = $result->fetchRow(MDB2_FETCHMODE_ASSOC))) {
			$row = array_change_key_case($row, CASE_LOWER);
			$key_name = $row['key_name'];
			if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
			if ($db->options['field_case'] == CASE_LOWER) {
			$key_name = strtolower($key_name);
			} else {
			$key_name = strtoupper($key_name);
			}
			}
			if ($index_name == $key_name) {
			if (!$row['non_unique']) {
			return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
			$index_name . ' is not an existing table index', __FUNCTION__);
			}
			$column_name = $row['column_name'];
			if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
			if ($db->options['field_case'] == CASE_LOWER) {
			$column_name = strtolower($column_name);
			} else {
			$column_name = strtoupper($column_name);
			}
			}
			$definition['fields'][$column_name] = array(
			'position' => $colpos++
			);
			if (!empty($row['collation'])) {
			$definition['fields'][$column_name]['sorting'] = ($row['collation'] == 'A'
			? 'ascending' : 'descending');
			}
			}
			}
			$result->free();
			if (empty($definition['fields'])) {
			return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
			$index_name . ' is not an existing table index', __FUNCTION__);
			}
			return $definition;
			}

			// }}}
			// {{{ getTableConstraintDefinition()

			/**
			* Get the structure of a constraint into an array
			*
			* @param string $table_name name of table that should be used in method
			* @param string $constraint_name name of constraint that should be used in method
			* @return mixed data array on success, a MDB2 error on failure
			* @access public
			*/
			function getTableConstraintDefinition($table_name, $constraint_name)
			{
			$db =& $this->getDBInstance();
			if (PEAR::isError($db)) {
			return $db;
			}

			list($schema, $table) = $this->splitTableSchema($table_name);
			$constraint_name_original = $constraint_name;

			$table = $db->quoteIdentifier($table, true);
			$query = "SHOW INDEX FROM $table /!50002 WHERE Key_name = %s /";
			if (strtolower($constraint_name) != 'primary') {
			$constraint_name_mdb2 = $db->getIndexName($constraint_name);
			$result = $db->queryRow(sprintf($query, $db->quote($constraint_name_mdb2)));
			if (!PEAR::isError($result) && !is_null($result)) {
			// apply 'idxname_format' only if the query succeeded, otherwise
			// fallback to the given $index_name, without transformation
			$constraint_name = $constraint_name_mdb2;
			}
			}
			$result = $db->query(sprintf($query, $db->quote($constraint_name)));
			if (PEAR::isError($result)) {
			return $result;
			}
			$colpos = 1;
			//default values, eventually overridden
			$definition = array(
			'primary' => false,
			'unique' => false,
			'foreign' => false,
			'check' => false,
			'fields' => array(),
			'references' => array(
			'table' => '',
			'fields' => array(),
			),
			'onupdate' => '',
			'ondelete' => '',
			'match' => '',
			'deferrable' => false,
			'initiallydeferred' => false,
			);
			while (is_array($row = $result->fetchRow(MDB2_FETCHMODE_ASSOC))) {
			$row = array_change_key_case($row, CASE_LOWER);
			$key_name = $row['key_name'];
			if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
			if ($db->options['field_case'] == CASE_LOWER) {
			$key_name = strtolower($key_name);
			} else {
			$key_name = strtoupper($key_name);
			}
			}
			if ($constraint_name == $key_name) {
			if ($row['non_unique']) {
			//FOREIGN KEY?
			$query = 'SHOW CREATE TABLE '. $db->escape($table);
			$constraint = $db->queryOne($query, 'text', 1);
			if (!PEAR::isError($constraint) && !empty($constraint)) {
			if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
			if ($db->options['field_case'] == CASE_LOWER) {
			$constraint = strtolower($constraint);
			} else {
			$constraint = strtoupper($constraint);
			}
			}
			$pattern = '/\bCONSTRAINT\s+'.$constraint_name.'\s+FOREIGN KEY\s+$([^$]+)\) \bREFERENCES\b ([^ ]+) $([^$]+)\)/i';
			if (!preg_match($pattern, str_replace('`', '', $constraint), $matches)) {
			//fallback to original constraint name
			$pattern = '/\bCONSTRAINT\s+'.$constraint_name_original.'\s+FOREIGN KEY\s+$([^$]+)\) \bREFERENCES\b ([^ ]+) $([^$]+)\)/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(
			'table' => $matches[2],
			'fields' => array(),
			);
			$colpos = 1;
			foreach ($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['onupdate'] = 'NO ACTION';
			$definition['ondelete'] = 'NO ACTION';
			$definition['match'] = 'SIMPLE';
			return $definition;
			}
			}

			return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
			$constraint_name . ' is not an existing table constraint', __FUNCTION__);
			}
			if ($row['key_name'] == 'PRIMARY') {
			$definition['primary'] = true;
			} elseif (!$row['non_unique']) {
			$definition['unique'] = true;
			}
			$column_name = $row['column_name'];
			if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
			if ($db->options['field_case'] == CASE_LOWER) {
			$column_name = strtolower($column_name);
			} else {
			$column_name = strtoupper($column_name);
			}
			}
			$definition['fields'][$column_name] = array(
			'position' => $colpos++
			);
			if (!empty($row['collation'])) {
			$definition['fields'][$column_name]['sorting'] = ($row['collation'] == 'A'
			? 'ascending' : 'descending');
			}
			}
			}
			$result->free();
			if (empty($definition['fields'])) {
			return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
			$constraint_name . ' is not an existing table constraint', __FUNCTION__);
			}
			return $definition;
			}

			// }}}
			// {{{ getTriggerDefinition()

			/**
			* Get the structure of a trigger into an array
			*
			* EXPERIMENTAL
			*
			* WARNING: this function is experimental and may change the returned value
			* at any time until labelled as non-experimental
			*
			* @param string $trigger name of trigger that should be used in method
			* @return mixed data array on success, a MDB2 error on failure
			* @access public
			*/
			function getTriggerDefinition($trigger)
			{
			$db =& $this->getDBInstance();
			if (PEAR::isError($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, $types, MDB2_FETCHMODE_ASSOC);
			if (PEAR::isError($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 =& $this->getDBInstance();
			if (PEAR::isError($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[$i]);
			if (PEAR::isError($mdb2type_info)) {
			return $mdb2type_info;
			}
			$res[$i]['mdb2type'] = $mdb2type_info[0][0];
			if ($mode & MDB2_TABLEINFO_ORDER) {
			$res['order'][$res[$i]['name']] = $i;
			}
			if ($mode & MDB2_TABLEINFO_ORDERTABLE) {
			$res['ordertable'][$res[$i]['table']][$res[$i]['name']] = $i;
			}
			}

			return $res;
			}
			}
			?>