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| author | Arthur Koziel <arthur@arthurkoziel.com> | 2010-09-13 00:04:27 +0000 |
|---|---|---|
| committer | Arthur Koziel <arthur@arthurkoziel.com> | 2010-09-13 00:04:27 +0000 |
| commit | dd49269c7db008b2567f50cb03c4d3d9b321daa1 (patch) | |
| tree | 326dd25bb045ac016cda7966b43cbdfe1f67d699 /docs/topics/db/aggregation.txt | |
| parent | c9b188c4ec939abbe48dae5a371276742e64b6b8 (diff) | |
| download | django-soc2010/app-loading.tar.gz | |
[soc2010/app-loading] merged trunkarchive/soc2010/app-loadingsoc2010/app-loading
git-svn-id: http://code.djangoproject.com/svn/django/branches/soc2010/app-loading@13818 bcc190cf-cafb-0310-a4f2-bffc1f526a37
Diffstat (limited to 'docs/topics/db/aggregation.txt')
| -rw-r--r-- | docs/topics/db/aggregation.txt | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/docs/topics/db/aggregation.txt b/docs/topics/db/aggregation.txt index 087c1bf239..eb21021038 100644 --- a/docs/topics/db/aggregation.txt +++ b/docs/topics/db/aggregation.txt @@ -1,5 +1,3 @@ -.. _topics-db-aggregation: - =========== Aggregation =========== @@ -8,7 +6,7 @@ Aggregation .. currentmodule:: django.db.models -The topic guide on :ref:`Django's database-abstraction API <topics-db-queries>` +The topic guide on :doc:`Django's database-abstraction API </topics/db/queries>` described the way that you can use Django queries that create, retrieve, update and delete individual objects. However, sometimes you will need to retrieve values that are derived by summarizing or *aggregating* a @@ -353,7 +351,7 @@ without any harmful effects, since that is already playing a role in the query. This behavior is the same as that noted in the queryset documentation for -:ref:`distinct() <queryset-distinct>` and the general rule is the same: +:meth:`~django.db.models.QuerySet.distinct` and the general rule is the same: normally you won't want extra columns playing a part in the result, so clear out the ordering, or at least make sure it's restricted only to those fields you also select in a ``values()`` call. @@ -363,7 +361,7 @@ you also select in a ``values()`` call. for you. The main reason is consistency with ``distinct()`` and other places: Django **never** removes ordering constraints that you have specified (and we can't change those other methods' behavior, as that - would violate our :ref:`misc-api-stability` policy). + would violate our :doc:`/misc/api-stability` policy). Aggregating annotations ----------------------- |