Method cast

lib/sqlalchemy/sql/elements.py:1702–1716

Produce a type cast, i.e. ``CAST( AS )``. This is a shortcut to the :func:`_expression.cast` function. .. seealso:: :ref:`tutorial_casts` :func:`_expression.cast` :func:`_expression.type_coerce`

(self, type_: _TypeEngineArgument[_OPT])

        return key, co

    def cast(self, type_: _TypeEngineArgument[_OPT]) -> Cast[_OPT]:
        """Produce a type cast, i.e. ``CAST(<expression> AS <type>)``.

        This is a shortcut to the :func:`_expression.cast` function.

        .. seealso::

            :ref:`tutorial_casts`

            :func:`_expression.cast`

            :func:`_expression.type_coerce`

        """
        return Cast(self, type_)

    def label(self, name: Optional[str]) -> Label[_T]:
        """Produce a column label, i.e. ``<columnname> AS <name>``.