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Customizing your querysets

Lino has a complex set of hooks for customizing Django querysets.

• Model.get_request_queryset(self, ar, **filter): Used to add select_related(). Calls Model.get_user_queryset().

• Model.get_user_queryset(self, user, **filter): used for user level row filtering. The default implementation doesn't filter anything. Customized examples lino.modlib.comments.Comment, lino_xl.lib.tickets.Site and lino_xl.lib.tickets.Ticket.

• Actor.get_queryset(self, ar):

• DbTable.get_queryset(self, ar): default implementation calls self.model.get_request_queryset(ar, **filter)

• DbTable.get_request_queryset(self, ar, **filter): used to define how filter parameters of the actor should influence the queryset.

• Actor.get_request_queryset(self, ar): used to define how filter parameters of the actor should influence the queryset.