diff options
| author | Nick Pope <nick.pope@flightdataservices.com> | 2018-12-19 23:04:25 +0000 |
|---|---|---|
| committer | Tim Graham <timograham@gmail.com> | 2019-01-14 14:39:46 -0500 |
| commit | 6d4efa8e6a4cc7be4ba957dec71f6f63cd58700d (patch) | |
| tree | 79cffc18bd5d4d81a420145177dea5732fbc8ec7 /docs | |
| parent | e85afa5943695457c85e9bc1c5dc0d985004e303 (diff) | |
Refs #28643 -- Changed Variance() to use NumericOutputFieldMixin.
Keeps precision instead of forcing DecimalField to FloatField.
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/ref/models/querysets.txt | 5 | ||||
| -rw-r--r-- | docs/releases/2.2.txt | 6 |
2 files changed, 6 insertions, 5 deletions
diff --git a/docs/ref/models/querysets.txt b/docs/ref/models/querysets.txt index a80528220c..3ddd516eaf 100644 --- a/docs/ref/models/querysets.txt +++ b/docs/ref/models/querysets.txt @@ -3419,12 +3419,13 @@ by the aggregate. ``Variance`` ~~~~~~~~~~~~ -.. class:: Variance(expression, sample=False, filter=None, **extra) +.. class:: Variance(expression, output_field=None, sample=False, filter=None, **extra) Returns the variance of the data in the provided expression. * Default alias: ``<field>__variance`` - * Return type: ``float`` + * Return type: ``float`` if input is ``int``, otherwise same as input + field, or ``output_field`` if supplied Has one optional argument: diff --git a/docs/releases/2.2.txt b/docs/releases/2.2.txt index 7323fd6e42..5d1333ad95 100644 --- a/docs/releases/2.2.txt +++ b/docs/releases/2.2.txt @@ -493,9 +493,9 @@ Miscellaneous * :djadmin:`runserver` no longer supports `pyinotify` (replaced by Watchman). -* The :class:`~django.db.models.Avg` and :class:`~django.db.models.StdDev` - aggregate functions now return a ``Decimal`` instead of a ``float`` when the - input is ``Decimal``. +* The :class:`~django.db.models.Avg`, :class:`~django.db.models.StdDev`, and + :class:`~django.db.models.Variance` aggregate functions now return a + ``Decimal`` instead of a ``float`` when the input is ``Decimal``. .. _deprecated-features-2.2: |