#11263: Bug in lookup with generic relation in model inheritance
--------------------------------------------------------+-------------------
Reporter: veena | Owner:
nobody
Status: new | Milestone: 1.3
Component: Database layer (models, ORM) | Version: SVN
Resolution: | Keywords:
generic relations, model inheritance
Triage Stage: Accepted | Has patch: 1
Needs documentation: 1 | Needs tests: 1
Patch needs improvement: 0 |
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Comment (by amarkor):
Can confirm that at least the content_type_id between the two queries is
different.
{{{
Photo.objects.filter(order__status='ordered').query
}}}
{{{
SELECT "generic_relations_regress_media"."id",
"generic_relations_regress_photo"."media_ptr_id"
FROM "generic_relations_regress_photo"
INNER JOIN "generic_relations_regress_media"
ON ("generic_relations_regress_photo"."media_ptr_id" =
"generic_relations_regress_media"."id")
INNER JOIN "generic_relations_regress_order"
ON ("generic_relations_regress_media"."id" =
"generic_relations_regress_order"."object_id")
WHERE ("generic_relations_regress_order"."status" = ordered
AND "generic_relations_regress_order"."content_type_id" = 26 )
}}}
{{{
photo.order.filter(status='ordered').query
}}}
{{{
SELECT "generic_relations_regress_order"."id",
"generic_relations_regress_order"."content_type_id",
"generic_relations_regress_order"."object_id",
"generic_relations_regress_order"."status"
FROM "generic_relations_regress_order"
WHERE ("generic_relations_regress_order"."object_id" = 1
AND "generic_relations_regress_order"."content_type_id" = 27
AND "generic_relations_regress_order"."status" = ordered )
}}}
patch attached.
--
Ticket URL: <http://code.djangoproject.com/ticket/11263#comment:18>
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