+ public function quote($string) { return $this->db->quote($string); }
+ public function execute($sql) { return $this->db->execute($sql); }
+ public function fetchValue($sql) { return $this->db->fetchValue($sql); }
+ public function fetchAssoc($sql) { return $this->db->fetchAssoc($sql); }
+ public function fetchAssocList($sql) { return $this->db->fetchAssocList($sql); }
+ public function fetchObject($sql) { return $this->db->fetchObject($sql); }
+ public function fetchObjectList($sql) { return $this->db->fetchObjectList($sql); }