Method group_by_clause

lib/sqlalchemy/sql/compiler.py:5445–5454

allow dialects to customize how GROUP BY is rendered.

(self, select, **kw)

        return "DISTINCT " if select._distinct else ""

    def group_by_clause(self, select, **kw):
        """allow dialects to customize how GROUP BY is rendered."""

        group_by = self._generate_delimited_list(
            select._group_by_clauses, OPERATORS[operators.comma_op], **kw
        )
        if group_by:
            return " GROUP BY " + group_by
        else:
            return ""

    def order_by_clause(self, select, **kw):
        """allow dialects to customize how ORDER BY is rendered."""