Method get_columns_clause_froms

lib/sqlalchemy/sql/selectable.py:4927–4934

(
        cls, statement: Select[Unpack[TupleAny]]
    )

    @classmethod
    def get_columns_clause_froms(
        cls, statement: Select[Unpack[TupleAny]]
    ) -> List[FromClause]:
        return cls._normalize_froms(
            itertools.chain.from_iterable(
                element._from_objects for element in statement._raw_columns
            )
        )

    @classmethod
    def _column_naming_convention(