private function criteria(array &$criteria, $column, $value, $operator = self::EQUALS, $connector = self::LOGICAL_AND, $quote = null)
    {
        $criteria[] = array(
            'column' => $this->columnQuote($column),
            'value' => $value,
            'operator' => $operator,
            'connector' => $connector,
            'quote' => $quote
        );
        
        return $this;
    }