Method exported_columns

lib/sqlalchemy/sql/dml.py:865–878

Return the RETURNING columns as a column collection for this statement. .. versionadded:: 1.4

(
        self,
    )

    @util.ro_memoized_property
    def exported_columns(
        self,
    ) -> ReadOnlyColumnCollection[Optional[str], ColumnElement[Any]]:
        """Return the RETURNING columns as a column collection for this
        statement.

        .. versionadded:: 1.4

        """
        return WriteableColumnCollection(
            (c.key, c)
            for c in self._all_selected_columns
            if is_column_element(c)
        ).as_readonly()

    @_generative
    def with_hint(