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Clarified some documentation on the use of the aggregate() query modifier, following suggestions on IRC. Thanks to Tai Lee for the report. 

git-svn-id: http://code.djangoproject.com/svn/django/trunk@9844 bcc190cf-cafb-0310-a4f2-bffc1f526a37
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Russell Keith-Magee 2009-02-17 10:17:29 +00:00
parent fd28d04c39
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1 changed files with 2 additions and 2 deletions
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docs/ref/models/querysets.txt
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@ -991,7 +991,7 @@ generated for them based upon the name of the aggregate function and
the model field that is being aggregated. the model field that is being aggregated.
For example, if you were manipulating blog entries, you may want to know For example, if you were manipulating blog entries, you may want to know
the average number of authors contributing to blog entries:: the number of authors that have contributed blog entries::
>>> q = Blog.objects.aggregate(Count('entry')) >>> q = Blog.objects.aggregate(Count('entry'))
{'entry__count': 16} {'entry__count': 16}
@ -1000,7 +1000,7 @@ By using a keyword argument to specify the aggregate function, you can
control the name of the aggregation value that is returned:: control the name of the aggregation value that is returned::
>>> q = Blog.objects.aggregate(number_of_entries=Count('entry')) >>> q = Blog.objects.aggregate(number_of_entries=Count('entry'))
{'number_of_entries': 2.34} {'number_of_entries': 16}
For an in-depth discussion of aggregation, see :ref:`the topic guide on For an in-depth discussion of aggregation, see :ref:`the topic guide on
Aggregation <topics-db-aggregation>`. Aggregation <topics-db-aggregation>`.