Classe « Query »

Méthode sqlalchemy.orm.Query.group_by

Signature de la méthode group_by

def group_by(self, *clauses) 

Description

group_by.__doc__

Apply one or more GROUP BY criterion to the query and return
        the newly resulting :class:`_query.Query`.

        All existing GROUP BY settings can be suppressed by
        passing ``None`` - this will suppress any GROUP BY configured
        on mappers as well.

        .. seealso::

            These sections describe GROUP BY in terms of :term:`2.0 style`
            invocation but apply to :class:`_orm.Query` as well:

            :ref:`tutorial_group_by_w_aggregates` - in the
            :ref:`unified_tutorial`

            :ref:`tutorial_order_by_label` - in the :ref:`unified_tutorial`