Method exported_columns

lib/sqlalchemy/sql/selectable.py:3619–3643

A :class:`_expression.ColumnCollection` that represents the "exported" columns of this :class:`_expression.Selectable`, not including :class:`_sql.TextClause` constructs. The "exported" columns for a :class:`_expression.SelectBase` object are synonymous

(
        self,
    )

    @property
    def exported_columns(
        self,
    ) -> ReadOnlyColumnCollection[str, ColumnElement[Any]]:
        """A :class:`_expression.ColumnCollection`
        that represents the "exported"
        columns of this :class:`_expression.Selectable`, not including
        :class:`_sql.TextClause` constructs.

        The "exported" columns for a :class:`_expression.SelectBase`
        object are synonymous
        with the :attr:`_expression.SelectBase.selected_columns` collection.

        .. versionadded:: 1.4

        .. seealso::

            :attr:`_expression.Select.exported_columns`

            :attr:`_expression.Selectable.exported_columns`

            :attr:`_expression.FromClause.exported_columns`


        """
        return self.selected_columns.as_readonly()

    @property
    @util.deprecated(