Lines Matching refs:_db

30     var $_db;
94             $this->_db = $this->initializePDO($dsn);
143         if($this->_db == false) return false;
203         if($this->_db == false) return false;
205         $result = $this->_db->prepare($query);
207             $error = $this->_db->errorInfo();
223         if($this->_db == false) return false;
229         $res = $this->_db->query($query);
231             $error = $this->_db->errorInfo();
249         if($this->_db == false) return false;
254             $this->_db->query('SAVEPOINT '.$t.';');
258             return $this->_db->beginTransaction();
266         if($this->_db == false) return false;
272             return $this->_db->commit();
280         if($this->_db == false) return false;
284             $this->_db->query('ROLLBACK TO '.$t.';');
287             return $this->_db->rollBack();