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<?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: mysql.php,v 1.68 2007/03/29 18:18:06 quipo Exp $//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>* @author Lorenzo Alberton <l.alberton@quipo.it>*/class MDB2_Driver_Reverse_mysql extends MDB2_Driver_Reverse_Common{// {{{ getTableFieldDefinition()/*** Get the structure 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 = $db->loadModule('Datatype', null, true);if (PEAR::isError($result)) {return $result;}$table = $db->quoteIdentifier($table, true);$query = "SHOW 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;}$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'] = $autoincrement;}foreach ($types as $key => $type) {$definition[$key] = $definition[0];if ($type == 'clob' || $type == 'blob') {unset($definition[$key]['default']);}$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 of table that should be used in method* @param string $constraint_name name of constraint that should be used in method* @return mixed data array on success, a MDB2 error on failure* @access public*/function getTableIndexDefinition($table, $constraint_name){$db =& $this->getDBInstance();if (PEAR::isError($db)) {return $db;}$table = $db->quoteIdentifier($table, true);$query = "SHOW INDEX FROM $table /*!50002 WHERE Key_name = %s */";$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;$definition = array();while (is_array($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($key_name);}}if ($constraint_name == $key_name) {if (!$row['non_unique']) {return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,$constraint_name . ' is not an existing table constraint', __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 $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,$constraint_name . ' is not an existing table constraint', __FUNCTION__);}return $definition;}// }}}// {{{ getTableConstraintDefinition()/*** Get the structure of a constraint into an array** @param string $table name of table that should be used in method* @param string $index_name name of index that should be used in method* @return mixed data array on success, a MDB2 error on failure* @access public*/function getTableConstraintDefinition($table, $index_name){$db =& $this->getDBInstance();if (PEAR::isError($db)) {return $db;}$table = $db->quoteIdentifier($table, true);$query = "SHOW INDEX FROM $table /*!50002 WHERE Key_name = %s */";if (strtolower($index_name) != 'primary') {$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 $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,'it was not specified an existing table constraint', __FUNCTION__);}if ($row['key_name'] == 'PRIMARY') {$definition['primary'] = true;} else {$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,'it was not specified 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_eventFROM information_schema.triggersWHERE 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() : $result;if (!is_resource($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';}$count = @mysql_num_fields($resource);$res = array();if ($mode) {$res['num_fields'] = $count;}$db->loadModule('Datatype', null, true);for ($i = 0; $i < $count; $i++) {$res[$i] = array('table' => $case_func(@mysql_field_table($resource, $i)),'name' => $case_func(@mysql_field_name($resource, $i)),'type' => @mysql_field_type($resource, $i),'length' => @mysql_field_len($resource, $i),'flags' => @mysql_field_flags($resource, $i),);if ($res[$i]['type'] == 'string') {$res[$i]['type'] = 'char';} elseif ($res[$i]['type'] == 'unknown') {$res[$i]['type'] = 'decimal';}$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;}}?>