56 lines
1.8 KiB
PHP
56 lines
1.8 KiB
PHP
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<?php
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/**
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* DebugKit ToolbarAccess Model
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*
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* Contains logic for accessing DebugKit specific information.
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*
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* PHP versions 4 and 5
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*
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* CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
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* Copyright 2005-2010, Cake Software Foundation, Inc. (http://cakefoundation.org)
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*
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* Licensed under The MIT License
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* Redistributions of files must retain the above copyright notice.
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*
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* @copyright Copyright 2005-2010, Cake Software Foundation, Inc. (http://cakefoundation.org)
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* @link http://cakephp.org
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* @package debug_kit
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* @subpackage debug_kit.controllers
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* @since DebugKit 1.3
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* @license MIT License (http://www.opensource.org/licenses/mit-license.php)
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**/
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class ToolbarAccess extends Object {
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/**
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* Runs an explain on a query if the connection supports EXPLAIN.
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* currently only PostgreSQL and MySQL are supported.
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*
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* @param string $connection Connection name
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* @param string $query SQL query to explain / find query plan for.
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* @return array Array of explain information or empty array if connection is unsupported.
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*/
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function explainQuery($connection, $query) {
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App::import('Model', 'ConnectionManager');
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$db =& ConnectionManager::getDataSource($connection);
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$driver = $db->config['driver'];
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$return = array();
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if ($driver === 'mysqli' || $driver === 'mysql' || $driver === 'postgres') {
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$explained = $db->query('EXPLAIN ' . $query);
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if ($driver === 'postgres') {
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$queryPlan = array();
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foreach ($explained as $postgreValue) {
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$queryPlan[] = array($postgreValue[0]['QUERY PLAN']);
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}
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$return = array_merge(array(array('')), $queryPlan);
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} else {
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$keys = array_keys($explained[0][0]);
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foreach ($explained as $mysqlValue) {
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$queryPlan[] = array_values($mysqlValue[0]);
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}
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$return = array_merge(array($keys), $queryPlan);
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}
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}
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return $return;
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}
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}
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