getConnection() public method

Gets the database connection object used by the EntityManager.
public getConnection ( ) : Doctrine\DBAL\Connection
return Doctrine\DBAL\Connection
 public function __construct(EntityManager $enm, Writer $logger)
 {
     $this->evm = $enm->getEventManager();
     //Unused, for now
     $this->enm = $enm;
     $this->logger = $logger;
     $this->connection = $enm->getConnection();
     $enm->getConnection()->getConfiguration()->setSQLLogger($this);
 }
 /**
  * @param LoadClassMetadataEventArgs $args
  */
 public function loadClassMetadata(LoadClassMetadataEventArgs $args)
 {
     $this->em = $args->getEntityManager();
     $this->meta = $args->getClassMetadata();
     if (!$this->em->getConnection()->getWrappedConnection() instanceof AbstractConnection) {
         return;
     }
     if ($this->meta->customPersisterClassName === null) {
         $this->meta->setCustomPersisterClass(EntityPersister::class);
     }
     $this->markIndex();
     foreach ($this->meta->fieldMappings as $property => &$mapping) {
         $this->remapIdentifier($property, $mapping);
         $this->remapVersion($property, $mapping);
         $this->markField($property, $mapping);
     }
     foreach ($this->meta->associationMappings as $property => &$mapping) {
         $this->remapAnyToOneAssociation($property, $mapping);
         $this->remapAnyToManyAssociation($property, $mapping);
         $this->remapManyToManyAssociation($property, $mapping);
     }
     if ($cache = $this->em->getMetadataFactory()->getCacheDriver()) {
         $cache->save($this->meta->name . '$CLASSMETADATA', $this->meta, null);
     }
 }
 public function __construct(EntityManager $em, $defaultRenameMode = Doctrine\ORM\Query\ResultSetMappingBuilder::COLUMN_RENAMING_INCREMENT)
 {
     parent::__construct($em, $defaultRenameMode);
     $this->em = $em;
     $this->platform = $this->em->getConnection()->getDatabasePlatform();
     $this->defaultRenameMode = $defaultRenameMode;
 }
 public function getJobStatistics(Job $job)
 {
     $statisticData = array();
     $dataPerCharacteristic = array();
     $statistics = $this->em->getConnection()->query("SELECT * FROM jms_job_statistics WHERE job_id = " . $job->getId());
     foreach ($statistics as $row) {
         $dataPerCharacteristic[$row['characteristic']][] = array($row['createdAt'], $row['charValue']);
     }
     if ($dataPerCharacteristic) {
         $statisticData = array(array_merge(array('Time'), $chars = array_keys($dataPerCharacteristic)));
         $startTime = strtotime($dataPerCharacteristic[$chars[0]][0][0]);
         $endTime = strtotime($dataPerCharacteristic[$chars[0]][count($dataPerCharacteristic[$chars[0]]) - 1][0]);
         $scaleFactor = $endTime - $startTime > 300 ? 1 / 60 : 1;
         // This assumes that we have the same number of rows for each characteristic.
         for ($i = 0, $c = count(reset($dataPerCharacteristic)); $i < $c; $i++) {
             $row = array((strtotime($dataPerCharacteristic[$chars[0]][$i][0]) - $startTime) * $scaleFactor);
             foreach ($chars as $name) {
                 $value = (double) $dataPerCharacteristic[$name][$i][1];
                 switch ($name) {
                     case 'memory':
                         $value /= 1024 * 1024;
                         break;
                 }
                 $row[] = $value;
             }
             $statisticData[] = $row;
         }
     }
     return $statisticData;
 }
 /**
  * @param string                     $documentClass The type the provider is for
  * @param DocumentMetadataCollection $metadata      The metadata collection for all ES types
  * @param EntityManager              $em            The Doctrine entity manager
  */
 public function __construct($documentClass, DocumentMetadataCollection $metadata, EntityManager $em)
 {
     parent::__construct($documentClass, $metadata);
     $this->em = $em;
     // TODO: Doesn't seem to do anything, but just in case...
     $this->em->getConnection()->getConfiguration()->setSQLLogger(null);
 }
 /**
  * {@inheritDoc}.
  */
 protected function initialize()
 {
     $this->driver = $this->em->getConfiguration()->getMetadataDriverImpl();
     $this->targetPlatform = $this->em->getConnection()->getDatabasePlatform();
     $this->evm = $this->em->getEventManager();
     $this->initialized = true;
 }
    /**
     * Update configurable delta export.
     *
     * @param Channel     $channel
     * @param JobInstance $jobInstance
     * @param string      $identifier
     */
    public function setLastExportDate(Channel $channel, JobInstance $jobInstance, $identifier)
    {
        $variantGroup = $this->groupRepository->findOneBy(['code' => $identifier]);
        if ($variantGroup) {
            $deltaConfigurableTable = $this->tableNameBuilder->getTableName('pim_magento_connector.entity.delta_configurable_export.class');
            $exportableProducts = $this->productFilter->apply($channel, $variantGroup->getProducts());
            foreach ($exportableProducts as $product) {
                $sql = <<<SQL
                  INSERT INTO {$deltaConfigurableTable} (product_id, job_instance_id, last_export)
                  VALUES (:product_id, :job_instance_id, :last_export)
                  ON DUPLICATE KEY UPDATE last_export = :last_export
SQL;
                $connection = $this->em->getConnection();
                $query = $connection->prepare($sql);
                $now = new \DateTime('now', new \DateTimeZone('UTC'));
                $lastExport = $now->format('Y-m-d H:i:s');
                $productId = $product->getId();
                $jobInstanceId = $jobInstance->getId();
                $query->bindParam(':last_export', $lastExport, PDO::PARAM_STR);
                $query->bindParam(':product_id', $productId, PDO::PARAM_INT);
                $query->bindParam(':job_instance_id', $jobInstanceId, PDO::PARAM_INT);
                $query->execute();
            }
        }
    }
 /**
  * @throws \Doctrine\ORM\ORMException
  */
 public function boot()
 {
     $this->serializer = SerializerBuilder::create()->setDebug($this->devMode)->build();
     $this->entityFolder->create();
     AnnotationRegistry::registerAutoloadNamespace('JMS\\Serializer\\Annotation', __DIR__ . '/../../../../vendor/jms/serializer/src');
     $proxyDoctrineFolder = new Folder(sys_get_temp_dir() . '/doctrine');
     $config = Setup::createAnnotationMetadataConfiguration([$this->entityFolder->absolute()], $this->isDevMode(), $proxyDoctrineFolder->absolute());
     if ($this->cache !== null) {
         $config->setQueryCacheImpl($this->getCache());
         $config->setResultCacheImpl($this->getCache());
     }
     $this->entityManager = $this->createEntityManager($config);
     $debugStack = new DebugStack();
     $this->entityManager->getConnection()->getConfiguration()->setSQLLogger($debugStack);
     if ($this->getFileCreation()->getContent() == 1) {
         return;
     }
     if ($proxyDoctrineFolder->isFolder()) {
         $proxyDoctrineFolder->removeFiles();
     }
     $tool = new SchemaTool($this->entityManager);
     $metadatas = $this->entityManager->getMetadataFactory()->getAllMetadata();
     $proxyDoctrineFolder->create();
     $this->entityManager->getProxyFactory()->generateProxyClasses($metadatas, $proxyDoctrineFolder->absolute());
     if ($this->cloudFoundryBoot->isInCloudFoundry()) {
         $tool->updateSchema($metadatas);
     } else {
         $tool->createSchema($metadatas);
     }
     $this->getFileCreation()->setContent(1);
 }
 /**
  * {@inheritdoc}
  */
 public function getProductCountByTree(ProductInterface $product)
 {
     $categories = $product->getCategories();
     $categoryIds = array();
     foreach ($categories as $category) {
         $categoryIds[] = $category->getId();
     }
     $categoryRepository = $this->entityManager->getRepository($this->categoryClass);
     $categoryTable = $this->entityManager->getClassMetadata($this->categoryClass)->getTableName();
     $categoryIds = implode(',', $categoryIds);
     if (!empty($categoryIds)) {
         $sql = "SELECT" . "    tree.id AS tree_id," . "    COUNT(category.id) AS product_count" . "  FROM {$categoryTable} tree" . "  LEFT JOIN {$categoryTable} category" . "    ON category.root = tree.id" . " AND category.id IN ({$categoryIds})" . " WHERE tree.parent_id IS NULL" . " GROUP BY tree.id";
     } else {
         $sql = "SELECT" . "    tree.id AS tree_id," . "    '0' AS product_count" . "  FROM {$categoryTable} tree" . "  LEFT JOIN {$categoryTable} category" . "    ON category.root = tree.id" . " WHERE tree.parent_id IS NULL" . " GROUP BY tree.id";
     }
     $stmt = $this->entityManager->getConnection()->prepare($sql);
     $stmt->execute();
     $productCounts = $stmt->fetchAll();
     $trees = array();
     foreach ($productCounts as $productCount) {
         $tree = array();
         $tree['productCount'] = $productCount['product_count'];
         $tree['tree'] = $categoryRepository->find($productCount['tree_id']);
         $trees[] = $tree;
     }
     return $trees;
 }
 /**
  * Adds all fields of the given class to the result set mapping (columns and meta fields)
  */
 protected function addAllClassFields($class, $alias, $renamedColumns = array())
 {
     $classMetadata = $this->em->getClassMetadata($class);
     if ($classMetadata->isInheritanceTypeSingleTable() || $classMetadata->isInheritanceTypeJoined()) {
         throw new \InvalidArgumentException('ResultSetMapping builder does not currently support inheritance.');
     }
     $platform = $this->em->getConnection()->getDatabasePlatform();
     foreach ($classMetadata->getColumnNames() as $columnName) {
         $propertyName = $classMetadata->getFieldName($columnName);
         if (isset($renamedColumns[$columnName])) {
             $columnName = $renamedColumns[$columnName];
         }
         $columnName = $platform->getSQLResultCasing($columnName);
         if (isset($this->fieldMappings[$columnName])) {
             throw new \InvalidArgumentException("The column '{$columnName}' conflicts with another column in the mapper.");
         }
         $this->addFieldResult($alias, $columnName, $propertyName);
     }
     foreach ($classMetadata->associationMappings as $associationMapping) {
         if ($associationMapping['isOwningSide'] && $associationMapping['type'] & ClassMetadataInfo::TO_ONE) {
             foreach ($associationMapping['joinColumns'] as $joinColumn) {
                 $columnName = $joinColumn['name'];
                 $renamedColumnName = isset($renamedColumns[$columnName]) ? $renamedColumns[$columnName] : $columnName;
                 $renamedColumnName = $platform->getSQLResultCasing($renamedColumnName);
                 if (isset($this->metaMappings[$renamedColumnName])) {
                     throw new \InvalidArgumentException("The column '{$renamedColumnName}' conflicts with another column in the mapper.");
                 }
                 $this->addMetaResult($alias, $renamedColumnName, $columnName);
             }
         }
     }
 }
 public function __construct($setConfigFiles = true)
 {
     if ($setConfigFiles) {
         $this->configFile = __DIR__ . '/../../../config.php';
         $this->localConfigFile = __DIR__ . '/../../../config.local.php';
     }
     parent::__construct();
     $isDevMode = false;
     $cache = new \Doctrine\Common\Cache\FilesystemCache(__DIR__ . '/../../tmp');
     $config = Setup::createConfiguration($isDevMode, __DIR__ . '/../../tmp', $cache);
     $config->setProxyDir(__DIR__ . '/../../tmp');
     $config->setProxyNamespace('MyProject\\Proxies');
     $config->setAutoGenerateProxyClasses(true);
     $paths = [__DIR__ . '/../Entity'];
     $driver = new \Doctrine\ORM\Mapping\Driver\AnnotationDriver(new AnnotationReader(), $paths);
     \Doctrine\Common\Annotations\AnnotationRegistry::registerLoader('class_exists');
     $config->setMetadataDriverImpl($driver);
     //$config->setSQLLogger(new \Doctrine\DBAL\Logging\EchoSQLLogger());
     $conn = ['driver' => 'mysqli', 'host' => '127.0.0.1', 'user' => $this->databaseFactory->getUserName(), 'password' => $this->databaseFactory->getPassword(), 'dbname' => $this->databaseFactory->getDatabaseName()];
     $this->entityManager = EntityManager::create($conn, $config);
     $this->entityManager->getConnection()->getDatabasePlatform()->registerDoctrineTypeMapping('enum', 'string');
     \Doctrine\DBAL\Types\Type::addType('enum', StringType::class);
     $this->entityManager->getConfiguration()->addCustomStringFunction('DATE', DateFunction::class);
     $this->user = $this->entityManager->createQueryBuilder()->select('u')->from(Sources\Tests\Entity\User::class, 'u');
 }
 /**
  * Build an sql insert into query by the paramters provided
  * @param  ORM\Entity $entities        Result array with all entities to create an insert for
  * @param  string     $entityClassName Class of the specified entity (same as entities)
  * @param  array      $ignoreFields    fields not to use in the insert query
  * @return string     an insert sql query, of no result nul
  */
 public function buildInsertSql($entities, $entityClassName, $ignoreFields = array())
 {
     if (count($entities) <= 0) {
         return null;
     }
     $fieldNames = $this->entityManager->getClassMetadata($entityClassName)->getFieldNames();
     $tableName = $this->entityManager->getClassMetadata($entityClassName)->getTableName();
     $tableName = $this->entityManager->getConnection()->quoteIdentifier($tableName);
     $fieldNames = array_diff($fieldNames, $ignoreFields);
     $values = array();
     foreach ($entities as $entity) {
         $insertValues = array();
         foreach ($fieldNames as $fieldName) {
             $value = $entity->{'get' . $fieldName}();
             if ($value instanceof \DateTime) {
                 $value = $value->format('Y-m-d H:i:s');
             }
             $insertValues[] = $this->entityManager->getConnection()->quote($value);
         }
         $values[] = '(' . implode(',', $insertValues) . ')';
     }
     foreach ($fieldNames as $key => $fieldName) {
         $columnName = $this->entityManager->getClassMetadata($entityClassName)->getColumnName($fieldName);
         $fieldNames[$key] = $this->entityManager->getConnection()->quoteIdentifier($columnName);
     }
     $sql = sprintf('INSERT INTO %s (%s) VALUES %s', $tableName, implode(",", $fieldNames), implode(', ', $values));
     return $sql;
 }
 private function getDatabaseName()
 {
     if (null === $this->database) {
         $this->database = $this->entityManager->getConnection()->getDatabase();
     }
     return $this->database;
 }
 /**
  * Finish processed batch
  */
 protected function finishBatch()
 {
     $this->entityManager->flush();
     if ($this->entityManager->getConnection()->getTransactionNestingLevel() == 1) {
         $this->entityManager->clear();
     }
 }
 protected function setUp()
 {
     $pathToEntities = [__DIR__ . '/Entity'];
     $isDevMode = true;
     $connectionParams = array('user' => 'user', 'password' => 'password', 'driver' => 'pdo_sqlite', 'memory' => true);
     $config = Setup::createConfiguration($isDevMode);
     $driver = new AnnotationDriver(new AnnotationReader(), $pathToEntities);
     AnnotationRegistry::registerLoader('class_exists');
     $config->setMetadataDriverImpl($driver);
     $this->em = EntityManager::create($connectionParams, $config);
     /*
      * Устанавливаем фикстуры, знаю что можно это сделать более универсально, но ... в данном контексте мне больше и не надо
      */
     $conn = $this->em->getConnection();
     $conn->exec("CREATE TABLE clients (id INTEGER PRIMARY KEY, name TEXT, surname TEXT);");
     $conn->exec("CREATE TABLE authors (id INTEGER PRIMARY KEY, name TEXT, surname TEXT);");
     $conn->exec("CREATE TABLE books (id INTEGER, owner_id INTEGER, name TEXT, surname TEXT, CONSTRAINT 'pk' PRIMARY KEY (id, owner_id));");
     $conn->exec("INSERT INTO clients (name,surname) VALUES('Nikita','Sapogov')");
     $conn->exec("INSERT INTO clients (name,surname) VALUES('Alex','Ivanov')");
     $conn->exec("INSERT INTO clients (name,surname) VALUES('Sura','Soir')");
     $conn->exec("INSERT INTO clients (name,surname) VALUES('Vasya','Poliakocv')");
     $conn->exec("INSERT INTO books (id, owner_id, name) VALUES (1,1,'SuperBookNAme')");
     $conn->exec("INSERT INTO books (id, owner_id, name) VALUES (2,15,'SuperBookNAme2')");
     $conn->exec("INSERT INTO books (id, owner_id, name) VALUES (3,3,'SuperBookNAme3')");
 }
Beispiel #16
0
 /**
  * Rollback current transaction
  * @return none
  */
 public static function rollbackTransaction()
 {
     if (self::$_entityManager != NULL) {
         $conn = self::$_entityManager->getConnection();
         $conn->rollback();
     }
 }
Beispiel #17
0
 public function hydrateEntity($entity, array $values)
 {
     $classMetadata = $this->em->getClassMetadata(get_class($entity));
     foreach ($values as $fieldName => $value) {
         if ($classMetadata->hasField($fieldName)) {
             $fieldMappping = $classMetadata->getFieldMapping($fieldName);
             if (null === $fieldMappping) {
                 throw new HydrationException($fieldName);
             }
             $type = Type::getType($classMetadata->fieldMappings[$fieldName]['type']);
             $value = $type->convertToPHPValue($value, $this->em->getConnection()->getDatabasePlatform());
             $classMetadata->setFieldValue($entity, $fieldName, $value);
         } elseif (isset($classMetadata->associationMappings[$fieldName])) {
             $fieldMapping = $classMetadata->associationMappings[$fieldName];
             if (ClassMetadataInfo::MANY_TO_MANY === $fieldMapping['type']) {
                 // expecting an array of ids in $value
                 if (1 === count($fieldMapping['relationToTargetKeyColumns'])) {
                     $columnName = array_pop($fieldMapping['relationToTargetKeyColumns']);
                     $otherSideMapping = $this->em->getClassMetadata($fieldMapping['targetEntity']);
                     $value = $this->em->getRepository($fieldMapping['targetEntity'])->findBy(array($otherSideMapping->fieldNames[$columnName] => $value));
                 }
                 $classMetadata->setFieldValue($entity, $fieldName, $value);
             } elseif (ClassMetadataInfo::MANY_TO_ONE === $fieldMapping['type']) {
                 // expecting an array of ids in $value
                 $value = $this->em->getRepository($fieldMapping['targetEntity'])->find($value);
                 $classMetadata->setFieldValue($entity, $fieldName, $value);
             }
         } else {
             throw new HydrationException($fieldName);
         }
     }
 }
Beispiel #18
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 public function getJobStatistics(Job $job)
 {
     $statisticData = array();
     $dataPerCharacteristic = array();
     $stmt = $this->em->getConnection()->prepare('SELECT * FROM jms_job_statistics WHERE job_id = :jobId');
     $stmt->execute(array('jobId' => $job->getId()));
     $statistics = $stmt->fetchAll();
     $propertyAccess = PropertyAccess::createPropertyAccessor();
     foreach ($statistics as $row) {
         $dataPerCharacteristic[$propertyAccess->getValue($row, '[characteristic]')][] = array($propertyAccess->getValue($row, '[createdAt]'), $propertyAccess->getValue($row, '[charValue]'));
     }
     if ($dataPerCharacteristic) {
         $statisticData = array(array_merge(array('Time'), $chars = array_keys($dataPerCharacteristic)));
         $startTime = strtotime($dataPerCharacteristic[$chars[0]][0][0]);
         $endTime = strtotime($dataPerCharacteristic[$chars[0]][count($dataPerCharacteristic[$chars[0]]) - 1][0]);
         $scaleFactor = $endTime - $startTime > 300 ? 1 / 60 : 1;
         // This assumes that we have the same number of rows for each characteristic.
         for ($i = 0, $c = count(reset($dataPerCharacteristic)); $i < $c; $i++) {
             $row = array((strtotime($dataPerCharacteristic[$chars[0]][$i][0]) - $startTime) * $scaleFactor);
             foreach ($chars as $name) {
                 $value = (double) $dataPerCharacteristic[$name][$i][1];
                 switch ($name) {
                     case 'memory':
                         $value /= 1024 * 1024;
                         break;
                 }
                 $row[] = $value;
             }
             $statisticData[] = $row;
         }
     }
     return $statisticData;
 }
 public function testCheckDatabase()
 {
     $schema = $this->getMockBuilder('Doctrine\\Tests\\Mocks\\SchemaManagerMock')->disableOriginalConstructor()->getMock();
     $schema->expects($this->any())->method('listTableNames')->will($this->returnValue(array('oro_entity_config', 'oro_entity_config_field', 'oro_entity_config_value')));
     $this->em->getConnection()->getDriver()->setSchemaManager($schema);
     $this->assertTrue($this->configModelManager->checkDatabase());
 }
 protected function tearDown()
 {
     if ($this->em) {
         $this->em->getConnection()->close();
     }
     parent::tearDown();
 }
Beispiel #21
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 private function ensureDatabaseConnection()
 {
     if ($this->em->getConnection()->ping() === false) {
         $this->em->getConnection()->close();
         $this->em->getConnection()->connect();
     }
 }
Beispiel #22
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 /**
  * Initializes the command just after the input has been validated.
  *
  * This is mainly useful when a lot of commands extends one main command
  * where some things need to be initialized based on the input arguments and options.
  *
  * @param InputInterface  $input  An InputInterface instance
  * @param OutputInterface $output An OutputInterface instance
  */
 protected function initialize(InputInterface $input, OutputInterface $output)
 {
     parent::initialize($input, $output);
     $this->entityManager = $this->getContainer()->get('doctrine.orm.default_entity_manager');
     $this->router = $this->getContainer()->get('router.default');
     $this->output = $output;
     $this->entityManager->getConnection()->getConfiguration()->setSQLLogger(null);
 }
Beispiel #23
0
 /**
  * Sets up the fixture, for example, opens a network connection.
  * This method is called before a test is executed.
  */
 protected function setUp()
 {
     parent::setUp();
     $this->entityManager = $this->container->getBean("em");
     $this->albumRepository = $this->container->getBean("albumRepository");
     $this->connection = $this->entityManager->getConnection();
     $this->connection->beginTransaction();
 }
 /**
  * Update the number of comment for a comment
  *
  * @param null|\Sonata\NewsBundle\Model\PostInterface $post
  * @return void
  */
 public function updateCommentsCount(PostInterface $post = null)
 {
     $commentTableName = $this->em->getClassMetadata($this->getClass())->table['name'];
     $postTableName = $this->em->getClassMetadata($this->postManager->getClass())->table['name'];
     $this->em->getConnection()->query(sprintf('UPDATE %s p, (SELECT c.post_id, count(*) as total FROM %s as c WHERE c.status = 1 GROUP BY c.post_id) as count_comment
         SET p.comments_count = count_comment.total
         WHERE p.id = count_comment.post_id', $postTableName, $commentTableName));
 }
 /**
  * @param array $productIds
  */
 protected function removeCascade(array $productIds)
 {
     $connection = $this->em->getConnection();
     foreach ($this->deltaEntities as $deltaEntity) {
         $deltaTable = $this->tableNameBuilder->getTableName($deltaEntity);
         $connection->executeQuery($this->getDeleteSQLQuery($productIds, $deltaTable));
     }
 }
Beispiel #26
0
 /**
  * Configures the current connection
  *
  * @return void
  */
 protected function configureConnection()
 {
     $connection = $this->entityManager->getConnection();
     // Use the master if given a master/slave aggregate connection
     if ($connection instanceof MasterSlaveConnection) {
         $connection->connect('master');
     }
 }
Beispiel #27
0
 public function addSqliteFunctions()
 {
     /** @var Doctrine\DBAL\Driver\PDOConnection $pdo */
     $pdo = $this->entityManager->getConnection()->getWrappedConnection();
     $pdo->sqliteCreateFunction('if', function ($condition, $expr1, $expr2 = null) {
         return $condition ? $expr1 : $expr2;
     });
 }
 /**
  * (non-PHPdoc)
  * @see Lexik\Bundle\MaintenanceBundle\Drivers.PdoDriver::initDb()
  */
 public function initDb()
 {
     if (null === $this->db) {
         $db = $this->em->getConnection();
         $this->db = $db;
         $this->createTableQuery();
     }
     return $this->db;
 }
Beispiel #29
0
 protected function init()
 {
     $this->em = $this->app['em'];
     $this->connection = $this->em->getConnection();
     $this->schemaManager = $this->em->getConnection()->getSchemaManager();
     $this->schemaTool = new \Doctrine\ORM\Tools\SchemaTool($this->em);
     $this->validator = new \Doctrine\ORM\Tools\SchemaValidator($this->em);
     $this->metadatas = $this->em->getMetadataFactory()->getAllMetadata();
 }
 /**
  * {@inheritdoc}
  */
 public function purge()
 {
     $classes = array();
     $metadatas = $this->em->getMetadataFactory()->getAllMetadata();
     foreach ($metadatas as $metadata) {
         if (!$metadata->isMappedSuperclass) {
             $classes[] = $metadata;
         }
     }
     $commitOrder = $this->getCommitOrder($this->em, $classes);
     // Drop association tables first
     $orderedTables = $this->getAssociationTables($commitOrder);
     // Get platform parameters
     $platform = $this->em->getConnection()->getDatabasePlatform();
     // Drop tables in reverse commit order
     for ($i = count($commitOrder) - 1; $i >= 0; --$i) {
         $class = $commitOrder[$i];
         if ($class->isInheritanceTypeSingleTable() && $class->name != $class->rootEntityName || $class->isMappedSuperclass) {
             continue;
         }
         $orderedTables[] = $class->getQuotedTableName($platform);
     }
     $orderedTables = array_diff($orderedTables, $this->excludedTables);
     foreach ($orderedTables as $tbl) {
         if ($this->purgeMode === self::PURGE_MODE_DELETE) {
             $this->em->getConnection()->executeUpdate("DELETE FROM " . $tbl);
         } else {
             $this->em->getConnection()->executeUpdate($platform->getTruncateTableSQL($tbl, true));
         }
     }
 }