SqlParser\Statements\SelectStatement::getClauses PHP Méthode

    public function getClauses()
    {
        // This is a cheap fix for `SELECT` statements that contain `UNION`.
        // The `ORDER BY` and `LIMIT` clauses should be at the end of the
        // statement.
        if (!empty($this->union)) {
            $clauses = static::$CLAUSES;
            unset($clauses['ORDER BY']);
            unset($clauses['LIMIT']);
            $clauses['ORDER BY'] = array('ORDER BY', 3);
            $clauses['LIMIT'] = array('LIMIT', 3);
            return $clauses;
        }
        return static::$CLAUSES;
    }