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30 Commits

Author SHA1 Message Date
Simon Charette
fc15d11f2e [4.2.x] Fixed #34368 -- Made subquery raise NotSupportedError when referencing outer window expression. 
Regression in f387d024fc.

Co-authored-by: Jannis Vajen <jvajen@gmail.com>

Backport of c67ea79aa9 from main
 2023-02-27 09:46:30 +01:00
Simon Charette
a9d2d8d1c3 Refs #28477 -- Reduced complexity of aggregation over qualify queries. 2022-11-11 08:46:08 +01:00
Gregor Gärtner
f0c06f8ab7 Refs #33990 -- Renamed TransactionTestCase.assertQuerysetEqual() to assertQuerySetEqual(). 
Co-Authored-By: Michael Howitz <mh@gocept.com>
 2022-10-08 08:07:38 +02:00
Mariusz Felisiak
f210de760b
Refs #28333 -- Fixed NonQueryWindowTests.test_invalid_filter() on databases that don't support window expressions. 2022-08-29 09:14:56 +02:00
Simon Charette
f387d024fc Refs #28333 -- Added partial support for filtering against window functions. 
Adds support for joint predicates against window annotations through
subquery wrapping while maintaining errors for disjointed filter
attempts.

The "qualify" wording was used to refer to predicates against window
annotations as it's the name of a specialized Snowflake extension to
SQL that is to window functions what HAVING is to aggregates.

While not complete the implementation should cover most of the common
use cases for filtering against window functions without requiring
the complex subquery pushdown and predicate re-aliasing machinery to
deal with disjointed predicates against columns, aggregates, and window
functions.

A complete disjointed filtering implementation should likely be
deferred until proper QUALIFY support lands or the ORM gains a proper
subquery pushdown interface.
 2022-08-15 08:26:26 +02:00
Mariusz Felisiak
7119f40c98 Refs #33476 -- Refactored code to strictly match 88 characters line length. 2022-02-07 20:37:05 +01:00
django-bot
9c19aff7c7 Refs #33476 -- Reformatted code with Black. 2022-02-07 20:37:05 +01:00
Simon Charette
aec71aaa5b Fixed #33304 -- Allowed passing string expressions to Window(order_by). 2021-11-23 07:58:44 +01:00
Hasan Ramezani
275dd4ebba
Fixed #32178 -- Allowed database backends to skip tests and mark expected failures. 
Co-authored-by: Tim Graham <timograham@gmail.com>
 2020-12-10 18:00:57 +01:00
Ian Foote
8b040e3cbb Fixed #25534, Fixed #31639 -- Added support for transform references in expressions. 
Thanks Mariusz Felisiak and Simon Charette for reviews.
 2020-11-27 20:42:04 +01:00
Mariusz Felisiak
7bfdd3b951 Refs #32096 -- Added test for window expressions with JSONField key transforms. 2020-10-14 20:56:04 +02:00
Hasan Ramezani
71d10ca8c9 Fixed #31723 -- Fixed window functions crash with DecimalField on SQLite. 
Thanks Simon Charette for the initial patch.
 2020-09-23 09:35:32 +02:00
Mariusz Felisiak
555e3a848e
Removed unused __str__() methods in tests models. 
Follow up to 6461583b6c.
 2020-04-30 09:13:23 +02:00
Nick Pope
335c9c94ac Simplified imports from django.db and django.contrib.gis.db. 2020-02-04 13:20:06 +01:00
Christopher G Johnson
33ec01caaf Refs #29095 -- Added test for using QuerySet.count() with window expressions ordered by related fields. 
Fixed in 3f32154f40.
 2020-01-21 10:43:21 +01:00
Tim Graham
227d0c7365 Fixed #31183 -- Added a feature flag for "<db> only supports UNBOUNDED together with PRECEDING and FOLLOWING". 2020-01-20 20:03:35 +01:00
Alex Aktsipetrov
bf12273db4 Fixed #31060 -- Reallowed window expressions to be used in conditions outside of queryset filters. 
Regression in 4edad1ddf6.

Thanks utapyngo for the report.
 2019-12-06 13:52:16 +01:00
Tim Graham
9100c664db Relaxed some query ordering assertions in tests. 
It accounts for differences seen on cockroachdb.
 2019-11-18 12:32:37 +01:00
aaktsipetrov
4edad1ddf6 Fixed #30668 -- Made QuerySet.filter() raise NotSupportedError if any of source expressions is not filterable. 2019-08-02 15:06:00 +02:00
Mariusz Felisiak
8c5649bfb7
Fixed NonQueryWindowTests.test_unsupported_backend() on MySQL. 2019-05-03 13:49:02 +02:00
Hasan Ramezani
741ce81a42 Fixed #29619 -- Added field names to some FieldErrors. 2019-02-14 18:58:08 -05:00
Simon Charette
b8c48d06fa Refs #26608 -- Added a database feature for fixed frame range distance support. 2019-02-09 08:47:41 -05:00
Simon Charette
64d5bafbc6 Fixed #30027 -- Errored out on Window function usage if unsupported. 2019-02-09 08:47:41 -05:00
Simon Charette
ebd2fe1861 Refs #30027 -- Enabled window function tests on SQLite 3.25+. 2019-02-09 08:47:40 -05:00
Mariusz Felisiak
e49ab72637
Refs #29851 -- Fixed test_subquery_row_range_rank() crash on MariaDB 10.2+. 
Thanks Tom Forbes for the report.
 2019-01-03 20:18:45 +01:00
Mariusz Felisiak
dd8ed64113
Fixed #29851 -- Fixed crash of annotations with window expressions in Subquery. 2018-12-27 20:21:57 +01:00
Florian Apolloner
c53af56613 Fixed #29847 -- Ensured proper ordering in queries. 
Even though good databases tend to keep the result sorted by the/one
window expression and the planners are smart enough to not resort if not
required, it is not valid to rely on this.

MariaDB specifically did return whatever order it wanted, which is
completely okay. Now we sort towards the expected data for all databases.
 2018-10-21 22:05:06 +02:00
Tom Forbes
4198445afc Refs #29548 -- Fixed failing window tests on MariaDB 10.3. 2018-07-30 19:54:56 -04:00
Tomáš Ehrlich
fa352626c2 Fixed #29172 -- Fixed crash with Window expression in a subquery. 2018-03-01 10:24:14 -05:00
Mads Jensen
d549b88050 Fixed #26608 -- Added support for window expressions (OVER clause). 
Thanks Josh Smeaton, Mariusz Felisiak, Sergey Fedoseev, Simon Charettes,
Adam Chainz/Johnson and Tim Graham for comments and reviews and Jamie
Cockburn for initial patch.
 2017-09-18 09:42:29 -04:00