Update

trunk/_vendor/doctrine/doctrine-bundle/Controller/ProfilerController.php

@@ -0,0 +1,90 @@
+<?php
+
+namespace Doctrine\Bundle\DoctrineBundle\Controller;
+
+use Doctrine\DBAL\Connection;
+use Doctrine\DBAL\Platforms\SQLServerPlatform;
+use Symfony\Component\DependencyInjection\ContainerAwareInterface;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\HttpKernel\Profiler\Profiler;
+
+/**
+ * ProfilerController.
+ */
+class ProfilerController implements ContainerAwareInterface
+{
+    /** @var ContainerInterface */
+    private $container;
+
+    /**
+     * {@inheritDoc}
+     */
+    public function setContainer(ContainerInterface $container = null)
+    {
+        $this->container = $container;
+    }
+
+    /**
+     * Renders the profiler panel for the given token.
+     *
+     * @param string $token          The profiler token
+     * @param string $connectionName
+     * @param int    $query
+     *
+     * @return Response A Response instance
+     */
+    public function explainAction($token, $connectionName, $query)
+    {
+        /** @var Profiler $profiler */
+        $profiler = $this->container->get('profiler');
+        $profiler->disable();
+
+        $profile = $profiler->loadProfile($token);
+        $queries = $profile->getCollector('db')->getQueries();
+
+        if (! isset($queries[$connectionName][$query])) {
+            return new Response('This query does not exist.');
+        }
+
+        $query = $queries[$connectionName][$query];
+        if (! $query['explainable']) {
+            return new Response('This query cannot be explained.');
+        }
+
+        /** @var Connection $connection */
+        $connection = $this->container->get('doctrine')->getConnection($connectionName);
+        try {
+            if ($connection->getDatabasePlatform() instanceof SQLServerPlatform) {
+                $results = $this->explainSQLServerPlatform($connection, $query);
+            } else {
+                $results = $this->explainOtherPlatform($connection, $query);
+            }
+        } catch (\Exception $e) {
+            return new Response('This query cannot be explained.');
+        }
+
+        return new Response($this->container->get('twig')->render('@Doctrine/Collector/explain.html.twig', [
+            'data' => $results,
+            'query' => $query,
+        ]));
+    }
+
+    private function explainSQLServerPlatform(Connection $connection, $query)
+    {
+        if (stripos($query['sql'], 'SELECT') === 0) {
+            $sql = 'SET STATISTICS PROFILE ON; ' . $query['sql'] . '; SET STATISTICS PROFILE OFF;';
+        } else {
+            $sql = 'SET SHOWPLAN_TEXT ON; GO; SET NOEXEC ON; ' . $query['sql'] . '; SET NOEXEC OFF; GO; SET SHOWPLAN_TEXT OFF;';
+        }
+        $stmt = $connection->executeQuery($sql, $query['params'], $query['types']);
+        $stmt->nextRowset();
+        return $stmt->fetchAll(\PDO::FETCH_ASSOC);
+    }
+
+    private function explainOtherPlatform(Connection $connection, $query)
+    {
+        return $connection->executeQuery('EXPLAIN ' . $query['sql'], $query['params'], $query['types'])
+            ->fetchAll(\PDO::FETCH_ASSOC);
+    }
+}