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Linked to prefetch_related_objects func in DB optimization docs.

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Luke Plant 2017-11-23 21:26:39 +03:00
parent 93cdd07e8f
commit e283c1a267
1 changed files with 4 additions and 3 deletions
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7
docs/topics/db/optimization.txt
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@ -195,12 +195,13 @@ Understand :meth:`~django.db.models.query.QuerySet.select_related` and
:meth:`~django.db.models.query.QuerySet.prefetch_related` thoroughly, and use :meth:`~django.db.models.query.QuerySet.prefetch_related` thoroughly, and use
them: them:
* in view code, * in :doc:`managers and default managers </topics/db/managers>` where
* and in :doc:`managers and default managers </topics/db/managers>` where
appropriate. Be aware when your manager is and is not used; sometimes this is appropriate. Be aware when your manager is and is not used; sometimes this is
tricky so don't make assumptions. tricky so don't make assumptions.
* in view code or other layers, possibly making use of
:func:`~django.db.models.prefetch_related_objects` where needed.
Don't retrieve things you don't need Don't retrieve things you don't need
==================================== ====================================