public function __construct()
{
parent::__construct(false, new ExpressionMapper(new FunctionMapper(), new ObjectMapper()), new Columns\ColumnSet(), new PrimaryKeys\KeyGeneratorSet(), new Queries\ExpressionCompiler(new Queries\ExpressionOptimizer()), new Queries\CriterionCompiler(), new Queries\IdentifierEscaper(), null, null, new Queries\QueryExecutor());
}