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path: root/django/contrib/postgres/aggregates/general.py
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2026-04-18Fixed #37028 -- Added BitAnd(), BitOr(), and BitXor() aggregates.Mariusz Felisiak
2025-12-02Refs #35444 -- Fixed typo in PostgreSQL StringAgg deprecation warning.Νικόλαος-Διγενής Καραγιάννης
2025-09-17Refs #35444 -- Removed contrib.postgres aggregates ordering kwarg per ↵Jacob Walls
deprecation timeline.
2025-04-16Americanized some spellings.Adam Johnson
2025-03-03Fixed #35444 -- Added generic support for Aggregate.order_by.Chris Muthig
This moves the behaviors of `order_by` used in Postgres aggregates into the `Aggregate` class. This allows for creating aggregate functions that support this behavior across all database engines. This is shown by moving the `StringAgg` class into the shared `aggregates` module and adding support for all databases. The Postgres `StringAgg` class is now a thin wrapper on the new shared `StringAgg` class. Thank you Simon Charette for the review.
2025-01-06Refs #35444 -- Deprecated contrib.postgres aggregates ordering for order_by.Chris Muthig
Aligns the argument with SQL standards already used in Window.order_by and sets up for adding support to Aggregate.
2023-09-18Refs #33308 -- Removed support for passing encoded JSON string literals to ↵Mariusz Felisiak
JSONField & co. Per deprecation timeline.
2023-01-17Refs #10929 -- Stopped forcing empty result value by PostgreSQL aggregates.Mariusz Felisiak
Per deprecation timeline.
2022-12-01Refs #33308 -- Deprecated support for passing encoded JSON string literals ↵Simon Charette
to JSONField & co. JSON should be provided as literal Python objects an not in their encoded string literal forms.
2022-02-07Refs #33476 -- Reformatted code with Black.django-bot
2021-10-01Fixed #32961 -- Added BitXor() aggregate to django.contrib.postgres.Nick Pope
2021-09-27Fixed #33114 -- Defined default output_field of StringAgg.ali
Thanks Simon Charette for the review.
2021-07-19Refs #10929 -- Deprecated forced empty result value for PostgreSQL aggregates.Nick Pope
This deprecates forcing a return value for ArrayAgg, JSONBAgg, and StringAgg when there are no rows in the query. Now that we have a ``default`` argument for aggregates, we want to revert to returning the default of ``None`` which most aggregate functions return and leave it up to the user to decide what they want to be returned by default.
2021-07-19Fixed #10929 -- Added default argument to aggregates.Nick Pope
Thanks to Simon Charette and Adam Johnson for the reviews.
2020-11-04Fixed #32169 -- Added distinct support to JSONBAgg.Artur Beltsov
2020-08-28Fixed #31956 -- Fixed crash of ordering by JSONField with a custom decoder ↵Mariusz Felisiak
on PostgreSQL. Thanks Marc Debureaux for the report. Thanks Simon Charette, Nick Pope, and Adam Johnson for reviews.
2020-07-21Refs #31720 -- Defined default output_field of BoolAnd() and BoolOr() ↵David Chorpash
aggregate functions.
2020-06-13Fixed #31691 -- Added ordering support to JSONBAgg.John Parton
2020-05-08Fixed #12990, Refs #27694 -- Added JSONField model field.sage
Thanks to Adam Johnson, Carlton Gibson, Mariusz Felisiak, and Raphael Michel for mentoring this Google Summer of Code 2019 project and everyone else who helped with the patch. Special thanks to Mads Jensen, Nick Pope, and Simon Charette for extensive reviews. Co-authored-by: Mariusz Felisiak <felisiak.mariusz@gmail.com>
2020-02-04Simplified imports from django.db and django.contrib.gis.db.Nick Pope
2020-02-03Fixed CVE-2020-7471 -- Properly escaped StringAgg(delimiter) parameter.Simon Charette
2019-01-09Fixed #28658 -- Added DISTINCT handling to the Aggregate class.Simon Charette
2018-06-28Fixed #26067 -- Added ordering support to ArrayAgg and StringAgg.Floris den Hengst
2017-12-30Fixed #28908 -- Allowed ArrayField lookups on ArrayAgg annotations.Sergey Fedoseev
2017-07-20Fixed #28370 -- Deprecated the context arg of Field.from_db_value() and ↵Tim Graham
Expression.convert_value(). Unused since a0d166306fbdc41f49e6fadf4ec84b17eb147daa.
2017-07-14Fixed #28394 -- Allowed setting BaseExpression.output_field (renamed from ↵Sergey Fedoseev
_output_field).
2017-02-04Fixed #27767 -- Added distinct argument to ArrayAgg.orf
2017-01-25Refs #23919 -- Replaced super(ClassName, self) with super().chillaranand
2016-11-28Refs #26327 -- Renamed JsonAgg to JSONBAgg.Mads Jensen
Thanks to Christian von Roques for the report.
2016-10-07Fixed #26327 -- Added JsonAgg to contrib.postgres.Mads Jensen
Thanks Tim Graham for review.
2016-06-02Fixed #26617 -- Added distinct argument to contrib.postgres's StringAgg.Rustam Kashapov
2015-03-30Fixed #24301 -- Added PostgreSQL-specific aggregate functionsAndriy Sokolovskiy