django/docs/releases/2.2.3.txt
Étienne Beaulé 4e6f0024f1 [2.2.x] Fixed #30542 -- Fixed crash of numerical aggregations with filter.
Filters in annotations crashed when used with numerical-type
aggregations (i.e. Avg, StdDev, and Variance). This was caused as the
source expressions no not necessarily have an output_field (such as the
filter field), which lead to an AttributeError: 'WhereNode' object has
no attribute output_field.

Thanks to Chuan-Zheng Lee for the report.

Regression in c690afb873cac8035a3cb3be7c597a5ff0e4b261 and two following
commits.

Backport of 4b6dfe16226a81fea464ac5f77942f4d6ba266e8 from master.
2019-06-05 09:15:21 +02:00

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Django 2.2.3 release notes
==========================
*Expected July 1, 2019*
Django 2.2.3 fixes several bugs in 2.2.2.
Bugfixes
========
* Fixed a regression in Django 2.2 where :class:`~django.db.models.Avg`,
:class:`~django.db.models.StdDev`, and :class:`~django.db.models.Variance`
crash with ``filter`` argument (:ticket:`30542`).