db->exec($query); return true; } catch (\PDOException $e) { list($excClass, $excMsg, $excData) = $this->buildPDOException(); throw new $excClass($excMsg, $excData); } } public function query(string $query): Result { try { $r = $this->db->query($query); } catch (\PDOException $e) { list($excClass, $excMsg, $excData) = $this->buildPDOException(); throw new $excClass($excMsg, $excData); } return new PDOResult($this->db, $r); } public function literalString(string $str): string { return $this->db->quote($str); } }