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| author | Luke Plant <L.Plant.98@cantab.net> | 2017-11-23 21:26:39 +0300 |
|---|---|---|
| committer | Luke Plant <L.Plant.98@cantab.net> | 2017-11-23 21:37:51 +0300 |
| commit | 9d67bfadf897d4eb082b398fe9482fc6753c7bf2 (patch) | |
| tree | 7331c0aa330d53159193a1fc70d0cf6fe47a4b69 | |
| parent | 1738592bd05d2526724ded69346d8548197ae49d (diff) | |
| download | django-stable/1.10.x.tar.gz | |
[1.10.x] Linked to prefetch_related_objects func in DB optimization docs.stable/1.10.x
Backport of e283c1a from master
| -rw-r--r-- | docs/topics/db/optimization.txt | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/docs/topics/db/optimization.txt b/docs/topics/db/optimization.txt index 66326f2fb1..93fe61643b 100644 --- a/docs/topics/db/optimization.txt +++ b/docs/topics/db/optimization.txt @@ -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 them: -* in view code, - -* and in :doc:`managers and default managers </topics/db/managers>` where +* in :doc:`managers and default managers </topics/db/managers>` where appropriate. Be aware when your manager is and is not used; sometimes this is 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 ==================================== |