true ), $options); parent::__construct("mysql:$dsn", $username, $password, $options); $class = __CLASS__.'_sql'; $this->sql = new $class; } // -------------------------------------------------------------------------- /** * Empty a table * * @param string $table */ public function truncate($table) { $this->query("TRUNCATE `{$table}`"); } // -------------------------------------------------------------------------- /** * Get databases for the current connection * * @return array */ public function get_dbs() { $res = $this->query("SHOW DATABASES"); return $this->fetchAll(PDO::FETCH_ASSOC); } // -------------------------------------------------------------------------- /** * Returns the tables available in the current database * * @return array */ public function get_tables() { $res = $this->query("SHOW TABLES"); return $res->fetchAll(PDO::FETCH_ASSOC); } // -------------------------------------------------------------------------- /** * Returns system tables for the current database * * @return array */ public function get_system_tables() { //MySQL doesn't have system tables return array(); } // -------------------------------------------------------------------------- /** * Return the number of rows returned for a SELECT query * * @return int */ public function num_rows() { return isset($this->statement) ? $this->statement->rowCount() : FALSE; } // -------------------------------------------------------------------------- /** * Create an SQL backup file for the current database's structure * * @return string */ public function backup_structure() { // @todo Implement Backup function return ''; } // -------------------------------------------------------------------------- /** * Create an SQL backup file for the current database's data * * @return string */ public function backup_data() { // @todo Implement Backup function return ''; } } //End of mysql.php