Classe « ColumnProperty »

Méthode sqlalchemy.orm.ColumnProperty.Comparator

Signature de la méthode Comparator

def Comparator(prop, parentmapper, adapt_to_entity=None) 

Description

Comparator.__doc__

Produce boolean, comparison, and other operators for
        :class:`.ColumnProperty` attributes.

        See the documentation for :class:`.PropComparator` for a brief
        overview.

        .. seealso::

            :class:`.PropComparator`

            :class:`.ColumnOperators`

            :ref:`types_operators`

            :attr:`.TypeEngine.comparator_factory`