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91 Commits

Author SHA1 Message Date
David Wobrock
ad36a198a1 Fixed #33141 -- Renamed Expression.empty_aggregate_value to empty_result_set_value. 2021-09-29 12:58:01 +02:00
David Wobrock
691486a5cf Fixed #33073 -- Fixed queryset crash with aggregation and empty/extra queryset annotation. 2021-09-01 20:59:16 +02:00
Tim Graham
022d29c934
Refs #10929 -- Allowed NowUTC SQL customization for third-party backends. 2021-08-24 08:28:03 +02:00
Nick Pope
501a8db465 Fixed #10929 -- Added default argument to aggregates. 
Thanks to Simon Charette and Adam Johnson for the reviews.
 2021-07-19 13:04:27 +02:00
Simon Charette
9f3cce172f Refs #26430 -- Re-introduced empty aggregation optimization. 
The introduction of the Expression.empty_aggregate_value interface
allows the compilation stage to enable the EmptyResultSet optimization
if all the aggregates expressions implement it.

This also removes unnecessary RegrCount/Count.convert_value() methods.
Disabling the empty result set aggregation optimization when it wasn't
appropriate prevented None returned for a Count aggregation value.

Thanks Nick Pope for the review.
 2021-07-02 07:25:42 +02:00
Simon Charette
f3112fde98 Fixed #26430 -- Fixed coalesced aggregation of empty result sets. 
Disable the EmptyResultSet optimization when performing aggregation as
it might interfere with coalescence.
 2021-07-02 06:40:54 +02:00
Simon Charette
277eea8fcc Fixed #32478 -- Included nested columns referenced by subqueries in GROUP BY on aggregations. 
Regression in fb3f034f1c.

Refs #31094, #31150.

Thanks Igor Pejic for the report.
 2021-02-24 09:01:36 +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
Hasan Ramezani
3f7b327562 Fixed #31235 -- Made assertQuerysetEqual() compare querysets directly. 
This also replaces assertQuerysetEqual() to
assertSequenceEqual()/assertCountEqual() where appropriate.

Co-authored-by: Peter Inglesby <peter.inglesby@gmail.com>
Co-authored-by: Mariusz Felisiak <felisiak.mariusz@gmail.com>
 2020-11-06 09:24:50 +01:00
Sicong
09e1ec71df
Fixed #32166 -- Removed redundant definition of Greatest in test_expression_on_aggregation. 2020-11-03 07:08:42 +01:00
Étienne Beaulé
509d9da26f Fixed #26390 -- Disabled grouping by Random(). 
Thanks to Tzu-ping Chung for the tests.
 2020-10-21 20:54:53 +02:00
David Wobrock
058747b77a Fixed #31880 -- Made QuerySet.aggregate() raise FieldError when aggregating over aggregation aliases. 2020-09-29 09:04:25 +02:00
Ahmad A. Hussein
493b26bbfc Fixed #31888 -- Avoided module-level MySQL queries in tests. 2020-08-17 09:31:16 +02:00
Simon Charette
156a2138db Refs #30446 -- Removed unnecessary Value(..., output_field) in docs and tests. 2020-07-15 10:58:38 +02:00
Simon Charette
1e38f1191d Fixed #30446 -- Resolved Value.output_field for stdlib types. 
This required implementing a limited form of dynamic dispatch to combine
expressions with numerical output. Refs #26355 should eventually provide
a better interface for that.
 2020-07-15 10:58:29 +02:00
Simon Charette
adfbf653dc Fixed #31568 -- Fixed alias reference when aggregating over multiple subqueries. 
691def10a0 made all Subquery() instances
equal to each other which broke aggregation subquery pushdown which
relied on object equality to determine which alias it should select.

Subquery.__eq__() will be fixed in an another commit but
Query.rewrite_cols() should haved used object identity from the start.

Refs #30727, #30188.

Thanks Makina Corpus for the report.
 2020-05-14 09:31:15 +02:00
Hasan Ramezani
10866a10fe Fixed #31377 -- Disabled grouping by aliases on QuerySet.values()/values_list() when they collide with field names. 
Regression in fb3f034f1c.

Thanks Holovashchenko Vadym for the report.
 2020-03-25 09:13:46 +01:00
Mariusz Felisiak
aee0bebc2f Refs #31331 -- Checked ONLY_FULL_GROUP_BY mode in AggregateTestCase.test_aggregation_subquery_annotation_multivalued(). 2020-03-03 11:25:37 +01:00
Mariusz Felisiak
7b8fa1653f Fixed #31150 -- Included subqueries that reference related fields in GROUP BY clauses. 
Thanks Johannes Hoppe for the report.

Regression in fb3f034f1c.

Co-authored-by: Simon Charette <charette.s@gmail.com>
 2020-03-03 11:25:37 +01:00
Nick Pope
335c9c94ac Simplified imports from django.db and django.contrib.gis.db. 2020-02-04 13:20:06 +01:00
Mariusz Felisiak
6b178a3e93
Fixed #31217 -- Made QuerySet.values()/values_list() group by not selected annotations with aggregations used in order_by(). 
Regression in 59b4e99dd0.

Thanks Jon Dufresne for the report and Simon Charette for the review.
 2020-02-03 07:48:11 +01:00
Mariusz Felisiak
59b4e99dd0
Refs #31136 -- Made QuerySet.values()/values_list() group only by selected annotation. 
Regression in 0f843fdd5b.
 2020-01-15 09:32:42 +01:00
Mariusz Felisiak
0f843fdd5b
Fixed #31136 -- Disabled grouping by aliases on QuerySet.values()/values_list(). 
Regression in fb3f034f1c.

Thanks Sigurd Ljødal for the report.
 2020-01-04 20:49:11 +01:00
Simon Charette
720de4d044 Fixed #31109 -- Disabled grouping by aliases on QuerySet.exists(). 
Clearing the SELECT clause in Query.has_results was orphaning GROUP BY
references to it.

Thanks Thierry Bastian for the report and Baptiste Mispelon for the
bisect.

Regression in fb3f034f1c.
 2019-12-23 09:24:03 +01:00
Simon Charette
5a4d7285bd Fixed #31094 -- Included columns referenced by subqueries in GROUP BY on aggregations. 
Thanks Johannes Hoppe for the report.

Regression in fb3f034f1c.

Co-authored-by: Mariusz Felisiak <felisiak.mariusz@gmail.com>
 2019-12-19 10:04:56 +01:00
Simon Charette
a0f34d8fef Refs #31094 -- Added test for not using aliases in GROUP BY clauses. 2019-12-19 09:12:29 +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
Étienne Beaulé
5f24e7158e Fixed #30665 -- Added support for distinct argument to Avg() and Sum(). 2019-07-31 11:22:50 +02:00
Étienne Beaulé
cb3c2da128 Moved test for distinct Count() to a separate test case. 2019-07-31 10:41:17 +02:00
CruxBox
34f8eeea4a Fixed #30548 -- Improved exception when expression contains mixed types. 2019-06-10 19:48:53 +02:00
Étienne Beaulé
4b6dfe1622 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 c690afb873 and two following
commits.
 2019-06-05 08:06:26 +02:00
Mariusz Felisiak
ef9f2eb69c
Refs #30462 -- Added test for conditional aggregation on annotated subquery. 2019-05-08 11:29:17 +02:00
Simon Charette
1ca825e4dc Fixed #30246 -- Reused annotation aliases references in aggregation filters. 
Thanks Jan Baryła for the detailed report and the reduced test case.
 2019-03-23 10:11:45 -04:00
Simon Charette
fb3f034f1c Fixed #30158 -- Avoided unnecessary subquery group by on aggregation. 
Subquery annotations can be omitted from the GROUP BY clause on aggregation
as long as they are not explicitly grouped against.

Thanks Jonny Fuller for the report.
 2019-03-21 18:48:41 -04:00
Simon Charette
65858119d2 Fixed #30120 -- Fixed invalid SQL in distinct aggregate. 
Regression in bc05547cd8 (refs #28658).
 2019-01-21 09:24:32 -05:00
Nick Pope
c690afb873 Refs #28643 -- Changed Avg() to use NumericOutputFieldMixin. 
Keeps precision instead of forcing DecimalField to FloatField.
 2019-01-14 14:35:41 -05:00
Simon Charette
bc05547cd8 Fixed #28658 -- Added DISTINCT handling to the Aggregate class. 2019-01-09 17:52:36 -05:00
Simon Charette
53269bcaaf Fixed #30011 -- Fixed queries that reuse filtered aggregates. 
Thanks Taqi Abbas and Raphael Kimmig for the report.
 2018-12-06 14:55:35 -05:00
priyanshsaxena
83b04d4f88 Fixed #29048 -- Added **extra_context to database function as_vendor() methods. 2018-08-23 11:52:09 -04:00
Mariusz Felisiak
75e45a45e7 Simplified aggregation.tests. 2018-02-02 08:47:32 +01:00
Tom
b78d100fa6 Fixed #27849 -- Added filtering support to aggregates. 2017-08-12 17:58:28 -04:00
Simon Charette
160969d970 Refs #24887 -- Stopped mutating a test expression during as_sql(). 
Also defined an explicit output_field as it was mixing an expression with an
IntegerField() with one with a DecimalField().
 2017-07-21 00:23:01 -04:00
Sergey Fedoseev
29769a9942 Fixed #28382 -- Prevented BaseExpression._output_field from being set if _resolve_output_field() fails. 2017-07-11 08:29:08 -04:00
Mariusz Felisiak
6e228d0b65 Fixed #28277 -- Added validation of QuerySet.annotate() and aggregate() args. 
Thanks Tim Graham and Nick Pope for reviews.
 2017-06-29 18:25:36 +02:00
Jon Dufresne
2c69824e5a Refs #23968 -- Removed unnecessary lists, generators, and tuple calls. 2017-06-01 19:08:59 -04:00
chillaranand
d6eaf7c018 Refs #23919 -- Replaced super(ClassName, self) with super(). 2017-01-25 12:23:46 -05:00
Claude Paroz
f3c43ad1fd Refs #23919 -- Removed python_2_unicode_compatible decorator usage 2017-01-18 13:44:34 +01:00
Claude Paroz
d7b9aaa366 Refs #23919 -- Removed encoding preambles and future imports 2017-01-18 09:55:19 +01:00
Josh Smeaton
8ade277ab1 Fixed tests that rely on hardcoded id with keepdb 2017-01-14 15:41:49 +11:00