#12885: GenericRelation fails to join the related table from a inherited model
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Reporter: semenov | Owner: nobody
Status: new | Milestone:
Component: Database layer (models, ORM) | Version: 1.1
Resolution: | Keywords:
Stage: Accepted | Has_patch: 0
Needs_docs: 0 | Needs_tests: 0
Needs_better_patch: 0 |
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Comment (by semenov):
Just in case, the expected query is:
{{{
SELECT `tracker_car`.`id`, `tracker_car`.`content_type_id`,
`tracker_car`.`object_id`, `tracker_truck`.`car_ptr_id`
FROM `tracker_truck`
INNER JOIN `tracker_car` ON (`tracker_truck`.`car_ptr_id` =
`tracker_car`.`id`)
WHERE `tracker_car`.`object_id` = 1
}}}
- the redundant JOIN to itself removed along with its alias, and there's
no "LIMIT 21".
I will probably look into the related ORM code on the weekend.
--
Ticket URL: <http://code.djangoproject.com/ticket/12885#comment:5>
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