$statement
$statement : \PDOStatement
Reference to the last executed query
PostgreSQL specifc class
Extends PDO to simplify cross-database issues
$sql : \Query\SQL_Interface
Reference to sql class
$util : \Query\Abstract_Util
Reference to util class
get_sql() : \Query\SQL_Interface
Get the SQL class for the current driver
get_util() : \Query\Abstract_Util
Get the Util class for the current driver