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Fixed #22710 -- Amended aggregation note for empty QuerySets

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Thanks smeaton for report and Joël Rochat for spell check
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Guillaume Pannatier 2014-06-04 15:58:28 +02:00 • committed by Tim Graham
parent 2f7a7842ba
commit 7f27cca5c5
1 changed files with 4 additions and 3 deletions
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7
docs/ref/models/querysets.txt
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@ -2633,9 +2633,10 @@ aggregate functions, see
.. admonition:: Note
Aggregation functions will return ``None`` when used with an empty
``QuerySet``. For example, the ``Count`` aggregation function will return
``None`` instead of ``0`` if the ``QuerySet`` contains no entries.
Aggregation functions return ``None`` when used with an empty
``QuerySet``. For example, the ``Sum`` aggregation function returns ``None``
instead of ``0`` if the ``QuerySet`` contains no entries. An exception is
``Count``, which does return ``0`` if the ``QuerySet`` is empty.
Avg
~~~