public function test_migration_initializes_migration_table()
 {
     // because Migration was instantiated in setup, the version table should exist
     $metadata = new Metadata($this->adapter);
     $tableNames = $metadata->getTableNames();
     $this->assertContains(MigrationVersion::TABLE_NAME, $tableNames);
 }
Example #2
0
 /**
  * Process the command
  *
  * @return integer
  */
 public function processCommandTask()
 {
     // output message
     $this->console->writeTaskLine('task_crud_check_table_name', array($this->console->colorize($this->params->paramTableName, Color::GREEN)));
     /** @var Adapter $dbAdapter */
     $dbAdapter = $this->params->dbAdapter;
     // get Metadata for database adapter
     $metaData = new Metadata($dbAdapter);
     // fetch database
     $database = $dbAdapter->getCurrentSchema();
     // fetch table object
     try {
         $table = $metaData->getTable($this->params->paramTableName);
     } catch (Exception $e) {
         $this->console->writeFailLine('task_crud_check_table_not_exists', array($this->console->colorize($this->params->paramTableName, Color::GREEN), $this->console->colorize($database, Color::GREEN)));
         return 1;
     }
     $tableObjects = array();
     /** @var TableObject $tableObject */
     foreach ($metaData->getTables() as $tableObject) {
         $tableObjects[$tableObject->getName()] = $tableObject;
     }
     $this->params->currentTableObjects = $tableObjects;
     return 0;
 }
Example #3
0
 /**
  * (non-PHPdoc)
  * @see \ZfcDB\Mapper\MapperInterface::save()
  */
 public function save($object)
 {
     $metadata = new Metadata($this->getDbAdapter());
     $constraints = $metadata->getConstraints($this->tableName);
     $datas = $object;
     if (!is_array($datas)) {
         $datas = $this->getHydrator()->extract($object);
     }
     $primaries = array();
     if (count($constraints)) {
         foreach ($constraints as $constraint) {
             if ($constraint->getType() == "PRIMARY KEY") {
                 $primaries = $constraint->getColumns();
             }
         }
     }
     $edit = true;
     if (count($primaries)) {
         foreach ($primaries as $primarie) {
             if (empty($datas[$primarie])) {
                 $edit = false;
                 break;
             }
         }
     }
     $this->getEventManager()->trigger(__FUNCTION__, $this, array('entity' => $object));
     if ($edit) {
         $this->update($datas, array_intersect_key($datas, array_flip($primaries)));
     } else {
         $this->insert($datas);
     }
     $this->getEventManager()->trigger(__FUNCTION__ . '.post', $this, array('entity' => $object));
     return $this;
 }
Example #4
0
 /**
  * @param Adapter $adapter
  * @param null $options
  * @param bool $autoLoad
  */
 public function __construct(Adapter $adapter, $options = null, $autoLoad = true)
 {
     /** @var $db Adapter */
     $this->db = $adapter;
     self::$defaultDb = $adapter;
     $this->options = $options;
     if (isset($options['blacklist']) && !isset($options['whitelist'])) {
         if (is_array($options['blacklist'])) {
             $this->blackList = $options['blacklist'];
         } else {
             $this->blackList[] = (string) $options['blacklist'];
         }
     } elseif (isset($options['whitelist']) && !empty($options['whitelist'])) {
         if (is_array($options['whitelist'])) {
             $this->whiteList = $options['whitelist'];
         } else {
             $this->whiteList[] = (string) $options['whitelist'];
         }
     }
     if ($autoLoad) {
         $metadata = new Metadata($adapter);
         $tables = $metadata->getTables();
         foreach ($tables as $table) {
             $this->addTable($table->getName());
         }
     }
 }
 public function getPerTimeHeader($is_admin = false)
 {
     $metadata = new Metadata($this->adapter);
     $header = $metadata->getColumnNames($this->table);
     //        return ($is_admin) ? $header : array_diff($header, $this->adminFields);
     return $is_admin ? $header : $header;
 }
Example #6
0
 protected function ensureMigrationsTableExists()
 {
     $metadata = new Metadata($this->adapter);
     if (!in_array($this->migrationsTableName, $metadata->getTableNames())) {
         $schema = new Schema\Schema($this->adapter);
         $schema->createTable($this->migrationsTableName, ['id' => false], function ($t) {
             $t->string('version');
         });
         $schema->addIndex($this->migrationsTableName, 'version', ['unique' => true]);
     }
 }
Example #7
0
 private function getTableMeta()
 {
     if (!$this->tableMeta) {
         $db = $this->db;
         $meta = new Metadata($db);
         try {
             $meta->getTable($this->table, $this->schema);
         } catch (\Exception $e) {
             exit($e->getMessage());
         }
         $this->tableMeta = $meta;
     }
     return $this->tableMeta;
 }
 /**
  * Can the factory create an instance for the service?
  *
  * For Service manager V3
  * Edit 'use' section if need:
  * Change:
  * 'use Zend\ServiceManager\AbstractFactoryInterface;' for V2 to
  * 'use Zend\ServiceManager\Factory\AbstractFactoryInterface;' for V3
  *
  * @param  Interop\Container\ContainerInterface $container
  * @param  string $requestedName
  * @return bool
  */
 public function canCreate(ContainerInterface $container, $requestedName)
 {
     if (!isset($this->tableNames)) {
         $db = $container->has('db') ? $container->get('db') : null;
         if (isset($db)) {
             $dbMetadata = new Metadata($db);
             $this->tableNames = $dbMetadata->getTableNames();
         } else {
             $this->tableNames = false;
         }
     }
     //is there table with same name?
     if (is_array($this->tableNames) && in_array($requestedName, $this->tableNames, true)) {
         return true;
     } else {
         return false;
     }
 }
Example #9
0
 /**
  * Process the command
  *
  * @return integer
  */
 public function processCommandTask()
 {
     // output message
     $this->console->writeTaskLine('task_crud_load_entity_class', [$this->console->colorize($this->params->paramEntityClass, Color::GREEN), $this->console->colorize($this->params->paramEntityModule, Color::GREEN)]);
     if (!file_exists($this->params->entityModuleDir)) {
         $this->console->writeFailLine('task_crud_load_entity_module_not_found', [$this->console->colorize($this->params->paramEntityModule, Color::GREEN)]);
         return 1;
     }
     if (!file_exists($this->params->entityFile)) {
         $this->console->writeFailLine('task_crud_load_entity_entity_not_found', [$this->console->colorize($this->params->paramEntityClass, Color::GREEN), $this->console->colorize($this->params->paramEntityModule, Color::GREEN)]);
         return 1;
     }
     require_once $this->params->entityFile;
     $entityClass = new FileReflection($this->params->entityFile);
     $this->params->loadedEntity = $entityClass->getClass();
     /** @var Adapter $dbAdapter */
     $dbAdapter = $this->params->dbAdapter;
     // get Metadata for database adapter
     $metaData = new Metadata($dbAdapter);
     // init loaded tables
     $loadedTables = [];
     /** @var TableObject $tableObject */
     foreach ($metaData->getTables() as $tableObject) {
         $columns = [];
         $primaryKey = [];
         $foreignKeys = [];
         /** @var ColumnObject $columnObject */
         foreach ($tableObject->getColumns() as $columnObject) {
             $columns[$columnObject->getName()] = $columnObject;
         }
         /** @var ConstraintObject $constraintObject */
         foreach ($tableObject->getConstraints() as $constraintObject) {
             if ($constraintObject->isPrimaryKey()) {
                 $primaryKey = $constraintObject;
             } elseif ($constraintObject->isForeignKey()) {
                 $foreignKeys[$constraintObject->getName()] = $constraintObject;
             }
         }
         $loadedTables[$tableObject->getName()] = ['columns' => $columns, 'primaryKey' => $primaryKey, 'foreignKeys' => $foreignKeys];
     }
     $this->params->loadedTables = $loadedTables;
     return 0;
 }
Example #10
0
 /**
  * Process the command
  *
  * @return integer
  */
 public function processCommandTask()
 {
     /** @var Adapter $dbAdapter */
     $dbAdapter = $this->params->dbAdapter;
     // get Metadata for database adapter
     $metaData = new Metadata($dbAdapter);
     // fetch database
     $database = $dbAdapter->getCurrentSchema();
     // fetch tables
     $tables = $metaData->getTables();
     // output found modules
     $this->console->writeTaskLine('task_crud_show_tables_found', array($this->console->colorize($database, Color::GREEN)));
     $this->console->writeLine();
     // loop through modules
     foreach ($tables as $tableObject) {
         $this->console->writeListItemLine('task_crud_show_tables_table_name', array($this->console->colorize($tableObject->getName(), Color::GREEN)));
     }
     return 0;
 }
 /**
  * @param $filter
  * @param $orderBy
  * @param $order
  * @param string $source
  * @return Paginator
  * @throws \Exception
  */
 public function paginate($filter, $orderBy, $order, $source = '')
 {
     try {
         $metadata = new Metadata($this->adapter);
         if (empty($source)) {
             $source = $this->table;
         }
         $columns = $metadata->getColumnNames($source);
         $select = new Select($source);
         $select->order($orderBy . ' ' . $order);
         if (!empty($filter)) {
             $query = "CONCAT_WS(' '," . implode(',', $columns) . ') LIKE ?';
             $where = new Where();
             $where->literal($query, '%' . $filter . '%');
             $select->where($where);
         }
         $paginatorAdapter = new DbSelect($select, $this->adapter);
         return new Paginator($paginatorAdapter);
     } catch (\Exception $ex) {
         throw $ex;
     }
 }
Example #12
0
 private function create_database()
 {
     // Try to create a database named by $post_data->database
     try {
         $createDatabse_stament = $this->adapter->createStatement('CREATE DATABASE IF NOT EXISTS `' . $this->config['database'] . '` CHARACTER SET = utf8 COLLATE = utf8_general_ci');
         $rs = $createDatabse_stament->execute();
         parent::__construct(new Adapter($this->config));
         if ($this->adapter->getCurrentSchema() == $this->config['database']) {
             $this->tables = $this->getTableNames();
             $local_db_config = new Config(array('db' => $this->config), true);
             $this->generateConfigFile($local_db_config);
         }
     } catch (\Exception $e) {
         throw $e;
     }
 }
Example #13
0
 protected function _insertInto($table, array $data, $columns = null)
 {
     if (!$data) {
         return;
     }
     if ($columns === null) {
         $columns = $this->_metadata->getColumnNames($table);
     }
     $insertStmt = new InsertMultiple($table);
     if ($columns !== null) {
         $insertStmt->columns($columns);
     }
     foreach ($data as $row) {
         $insertStmt->values($row, InsertMultiple::VALUES_MERGE);
     }
     $sql = $this->_sql->buildSqlString($insertStmt);
     $this->_db->query($sql, Adapter::QUERY_MODE_EXECUTE);
 }
Example #14
0
 /**
  * Função que pega a ID do registro inserido
  * @param  array   $rawState
  * @param  object  $sql
  * @return integer
  */
 private function getLastInsertId(array $rawState, $sql)
 {
     if (self::$varReturnInsertId) {
         $table = $rawState['table'];
         $tableMetadata = new \Zend\Db\Metadata\Metadata($this->getAdapter($this->varConfigAdapter));
         $tableInfo = $tableMetadata->getTable($table->getTable(), $table->getSchema());
         if (!empty(self::$varSqlSequence)) {
             return $this->getAdapter($this->varConfigAdapter)->getDriver()->getConnection()->getLastGeneratedValue(self::$varSqlSequence);
         } else {
             $primaryKeyColumn = null;
             foreach ($tableInfo->getConstraints() as $key => $value) {
                 if ($value->getType() == 'PRIMARY KEY') {
                     $temp = $value->getColumns();
                     $primaryKeyColumn = $temp[0];
                 }
             }
             $select = $sql->select($rawState['table']);
             foreach ($rawState['columns'] as $key => $value) {
                 if (!empty($rawState['values'][$key])) {
                     $select->where("{$value} = '{$rawState['values'][$key]}'");
                 } else {
                     $select->where("{$value} IS NULL");
                 }
             }
             $statement = $sql->prepareStatementForSqlObject($select);
             $results = $statement->execute();
             $retorno = self::$resultSetPrototype->initialize($results)->toArray();
             self::freeMemory();
             return $retorno[0][$primaryKeyColumn];
         }
     }
 }
Example #15
0
 /**
  * Função que retorna o post formatado de acordo com a tabela
  * @param array $arrayPost
  * @param string $table
  * @param string $schema
  * @return array
  */
 public function fromArray(array $arrayPost, $table, $schema)
 {
     $metadata = new zendMetadata($this->getAdapter($this->varConfigAdapter));
     $tableColumns = $metadata->getColumns($table, $schema);
     $returnPost = array();
     if (count($arrayPost) > 0) {
         foreach ($tableColumns as $key => $value) {
             if (isset($arrayPost[$value->getName()]) and !empty($arrayPost[$value->getName()])) {
                 if (trim($arrayPost[$value->getName()]) == '') {
                     $returnPost[$value->getName()] = null;
                 } else {
                     $returnPost[$value->getName()] = $arrayPost[$value->getName()];
                 }
             } else {
                 unset($arrayPost[$key]);
             }
         }
     }
     return $returnPost;
 }
Example #16
0
 /**
  * Função que gera um print dos metadados
  */
 public function getPrintMetadata()
 {
     $metadata = new Metadata($this->getDbAdapter());
     foreach ($metadata->getSchemas() as $valueSchema) {
         echo 'In Schema ' . $valueSchema . PHP_EOL;
         // get the table names
         $tableNames = $metadata->getTableNames($valueSchema);
         foreach ($tableNames as $tableName) {
             echo 'In Table ' . $tableName . PHP_EOL;
             $table = $metadata->getTable($tableName, $valueSchema);
             echo '    With columns: ' . PHP_EOL;
             foreach ($table->getColumns() as $column) {
                 echo '        ' . $column->getName() . ' -> ' . $column->getDataType() . PHP_EOL;
             }
             echo PHP_EOL;
             echo '    With constraints: ' . PHP_EOL;
             foreach ($metadata->getConstraints($tableName, $valueSchema) as $constraint) {
                 /** @var $constraint Zend\Db\Metadata\Object\ConstraintObject */
                 echo '        ' . $constraint->getName() . ' -> ' . $constraint->getType() . PHP_EOL;
                 if (!$constraint->hasColumns()) {
                     continue;
                 }
                 echo '            column: ' . implode(', ', $constraint->getColumns());
                 if ($constraint->isForeignKey()) {
                     $fkCols = array();
                     foreach ($constraint->getReferencedColumns() as $refColumn) {
                         $fkCols[] = $constraint->getReferencedTableName() . '.' . $refColumn;
                     }
                     echo ' => ' . implode(', ', $fkCols);
                 }
                 echo PHP_EOL;
             }
             echo '----' . PHP_EOL;
         }
         echo '-------------------------------------------' . PHP_EOL;
     }
 }
 public function getPerTimeHeader($is_admin = false)
 {
     $metadata = new Metadata($this->adapter);
     $header = $metadata->getColumnNames('PublisherImpressionsAndSpendHourly');
     return $is_admin ? $header : array_values(array_diff($header, $this->adminFields));
 }
 public function getUserImpressionsSpendHeadersAdmin()
 {
     $metadata = new Metadata($this->adapter);
     return $metadata->getColumnNames('userImpressionsSpendAdmin');
 }
 /**
  * @param Metadata $metadata
  * @param $tableName
  * @param $columnName
  * @return null|\Zend\Db\Metadata\Object\ConstraintObject
  */
 protected function getConstraintForColumn(Metadata $metadata, $tableName, $columnName)
 {
     /** @var \Zend\Db\Metadata\Object\ConstraintObject $constraint */
     foreach ($metadata->getConstraints($tableName) as $constraint) {
         foreach ($constraint->getColumns() as $column) {
             if ($column == $columnName) {
                 return $constraint;
             }
         }
     }
     return null;
 }
Example #20
0
 /**
  * Process the command
  *
  * @return integer
  */
 public function processCommandTask()
 {
     // output message
     $this->console->writeTaskLine('task_crud_load_tables_name', [$this->console->colorize($this->params->paramTableName, Color::GREEN)]);
     /** @var Adapter $dbAdapter */
     $dbAdapter = $this->params->dbAdapter;
     // get Metadata for database adapter
     $metaData = new Metadata($dbAdapter);
     // fetch database
     $database = $dbAdapter->getCurrentSchema();
     // init loaded tables
     $loadedTables = [];
     /** @var TableObject $tableObject */
     foreach ($metaData->getTables() as $tableObject) {
         $columns = [];
         $primaryKey = [];
         $foreignKeys = [];
         /** @var ColumnObject $columnObject */
         foreach ($tableObject->getColumns() as $columnObject) {
             $columns[$columnObject->getName()] = $columnObject;
         }
         /** @var ConstraintObject $constraintObject */
         foreach ($tableObject->getConstraints() as $constraintObject) {
             if ($constraintObject->isPrimaryKey()) {
                 $primaryKey = $constraintObject;
             } elseif ($constraintObject->isForeignKey()) {
                 $foreignKeys[$constraintObject->getName()] = $constraintObject;
             }
         }
         $loadedTables[$tableObject->getName()] = ['columns' => $columns, 'primaryKey' => $primaryKey, 'foreignKeys' => $foreignKeys];
     }
     // get missing tables
     $missingTables = array_values(array_diff($this->params->paramTableList, array_keys($loadedTables)));
     // check missing tables
     if (count($missingTables) == 1) {
         $this->console->writeFailLine('task_crud_load_tables_not_exists_one', [$this->console->colorize($missingTables[0], Color::GREEN), $this->console->colorize($database, Color::GREEN)]);
         return 1;
     } elseif (count($missingTables) > 1) {
         $this->console->writeFailLine('task_crud_load_tables_not_exists_more', [$this->console->colorize(implode(', ', $missingTables), Color::GREEN), $this->console->colorize($database, Color::GREEN)]);
         return 1;
     }
     // Ini needed tables
     $neededTables = [];
     // loop through table list
     foreach ($this->params->paramTableList as $tableName) {
         $neededTables[] = $tableName;
         /** @var ConstraintObject $foreignKey */
         foreach ($loadedTables[$tableName]['foreignKeys'] as $foreignKey) {
             $neededTables[] = $foreignKey->getReferencedTableName();
         }
     }
     // get missing tables
     $missingTables = array_values(array_diff($neededTables, $this->params->paramTableList));
     // check missing tables
     if (count($missingTables) == 1) {
         $this->console->writeFailLine('task_crud_load_tables_needed_one', [$this->console->colorize($missingTables[0], Color::GREEN), $this->console->colorize($database, Color::GREEN)]);
         return 1;
     } elseif (count($missingTables) > 1) {
         $this->console->writeFailLine('task_crud_load_tables_needed_more', [$this->console->colorize(implode(', ', $missingTables), Color::GREEN), $this->console->colorize($database, Color::GREEN)]);
         return 1;
     }
     // get unneeded tables
     $unneededTables = array_diff(array_keys($loadedTables), $this->params->paramTableList);
     // clear unneeded tables
     foreach ($unneededTables as $tableName) {
         unset($loadedTables[$tableName]);
     }
     $this->params->loadedTables = $loadedTables;
     return 0;
 }
Example #21
0
 /**
  * Is the schema ready?
  *
  * @return bool
  */
 public function hasSchema()
 {
     try {
         $metadata = new Metadata($this->adapter);
         $metadata->getTable($this->tableName);
         return true;
     } catch (\Exception $exception) {
         return false;
     }
 }
Example #22
0
 /**
  * Load table metadata.
  *
  * @param bool $reload Force a reload? (Default is false).
  *
  * @return array
  */
 protected function getTableInfo($reload = false)
 {
     if ($reload || !$this->tableInfo) {
         $metadata = new DbMetadata($this->getAdapter());
         $tables = $metadata->getTables();
         $this->tableInfo = array();
         foreach ($tables as $current) {
             $this->tableInfo[$current->getName()] = $current;
         }
     }
     return $this->tableInfo;
 }
 /**
  * @param Adapter $adapter
  */
 public function __construct(Adapter $adapter)
 {
     parent::__construct($adapter);
 }
 public function getPerTimeHeader($is_admin = false)
 {
     $metadata = new Metadata($this->adapter);
     $header = $metadata->getColumnNames('buySideHourlyBidsPerTime');
     return $is_admin ? $header : array_values(array_diff($header, $this->adminFields));
 }
 public function getPerTimeHeaderPrivateExchange()
 {
     $metadata = new Metadata($this->adapter);
     $header = $metadata->getColumnNames('PublisherImpressionsAndSpendHourly');
     return array_values(array_diff($header, $this->domainAdminFields));
 }
Example #26
0
 /**
  * 根据表名获得字段
  * @return array|bool
  */
 public function getColumns($conPri = false)
 {
     if (empty($this->table)) {
         return false;
     }
     $metadata = new Metadata($this->getAdapter());
     $table = $metadata->getTable($this->table);
     $columns = $table->getColumns();
     $cols = array();
     if (in_array($this->table, array('MemberInfo'))) {
         $conPri = true;
     }
     if (!empty($columns)) {
         foreach ($columns as $c) {
             $cols[$c->getName()]['ableNull'] = $c->getIsNullable();
             $cols[$c->getName()]['default'] = $c->getColumnDefault();
             $cols[$c->getName()]['comment'] = $c->getColumnComment();
         }
         if (!$conPri) {
             unset($cols[$this->_primary]);
         }
     }
     return $cols;
 }
Example #27
0
 /**
  * @return Adapter
  */
 protected function getAdapter()
 {
     global $globalTestConfiguration;
     if (!isset($globalTestConfiguration) || !isset($globalTestConfiguration['zenddb']) || !isset($globalTestConfiguration['zenddb']['driver'])) {
         $this->markTestIncomplete('Invalid configuration found in test.config.php. Make sure "zenddb" is set and contains' . 'a valid config array for Zend\\Db\\Adapter\\Adapter');
     }
     $this->adapter = $adapter = new Adapter($globalTestConfiguration['zenddb']);
     // attempt to connect
     $adapter->getDriver()->getConnection()->connect();
     $this->assertTrue($adapter->getDriver()->getConnection()->isConnected(), 'DB connection established.');
     $meta = new Metadata($adapter);
     $sql = new Sql($adapter);
     static::$schemaCleanup = true;
     // drop previous tables if needed
     if (in_array('model', $meta->getTableNames())) {
         $ddl = new Ddl\DropTable('model');
         $adapter->query($sql->getSqlStringForSqlObject($ddl))->execute();
     }
     if (in_array('minimalmodel', $meta->getTableNames())) {
         $ddl = new Ddl\DropTable('minimalmodel');
         $adapter->query($sql->getSqlStringForSqlObject($ddl))->execute();
     }
     // create test tables
     $ddl = new Ddl\CreateTable('model');
     $ddl->addColumn(new Ddl\Column\Integer('id', true, null, ['auto_increment' => true]));
     $ddl->addColumn((new Ddl\Column\Varchar('magicProperty', 255))->setNullable(true));
     $ddl->addColumn((new Ddl\Column\Varchar('protectedProperty', 255))->setNullable(true));
     $ddl->addConstraint(new Ddl\Constraint\PrimaryKey('id'));
     $adapter->query($sql->getSqlStringForSqlObject($ddl), $adapter::QUERY_MODE_EXECUTE);
     $ddl = new Ddl\CreateTable('minimalmodel');
     $ddl->addColumn(new Ddl\Column\Integer('id', true, null, ['auto_increment' => true]));
     $ddl->addColumn((new Ddl\Column\Varchar('name', 255))->setNullable(true));
     $ddl->addColumn((new Ddl\Column\Varchar('value', 255))->setNullable(true));
     $ddl->addConstraint(new Ddl\Constraint\PrimaryKey('id'));
     $adapter->query($sql->getSqlStringForSqlObject($ddl), $adapter::QUERY_MODE_EXECUTE);
     // return the adapter
     return $adapter;
 }
 /**
  * Initialize migration history table
  *
  * @return $this
  */
 protected function init()
 {
     if (!$this->isInited) {
         $metadata = new Metadata($this->adapter);
         if (!in_array($this->getStoreTableName(), $metadata->getTableNames())) {
             $this->runMigration($this->getInitialMigrationFile(), Migration::ACTION_UP);
         }
         $this->isInited = true;
     }
     return $this;
 }
Example #29
0
 /**
  * Render
  * 
  * @param  \Zend\Db\Metadata\Metadata $metadata
  * @return string 
  */
 public function render(\Zend\Db\Metadata\Metadata $metadata)
 {
     $output = '';
     $output .= $this->renderTables($metadata->getTables());
     return $output;
 }
 /**
  * For static tables set
  *
  * @param ContainerInterface $container
  * @return array|false
  */
 protected function getCachedTables(ContainerInterface $container)
 {
     if (!isset($this->tableNames)) {
         if ($this->setDbAdapter($container)) {
             $dbMetadata = new Metadata($this->db);
             $this->tableNames = $dbMetadata->getTableNames();
         } else {
             $this->tableNames = false;
         }
     }
     return $this->tableNames;
 }