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Author SHA1 Message Date
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
Ian Foote
f42ccdd835 Fixed #27021 -- Allowed lookup expressions in annotations, aggregations, and QuerySet.filter(). 
Thanks Hannes Ljungberg and Simon Charette for reviews.

Co-authored-by: Mariusz Felisiak <felisiak.mariusz@gmail.com>
 2021-07-09 11:43:06 +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 Willison
e53159747c Doc'd that RawSQL can be used with __in. 2021-03-25 10:28:20 +01:00
Mariusz Felisiak
fdc3d9dcaf
Removed unused import in docs/ref/models/expressions.txt. (#13879) 2021-01-12 10:51:38 +01:00
Kevin Marsh
45f4282149 Refs #31792 -- Updated SQL example in Exists() docs. 
Follow up to 51297a9232.
 2020-12-10 21:01:57 +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
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
Mariusz Felisiak
4c5236ef93 Removed versionadded/changed annotations for 3.0. 2020-05-13 09:07:51 +02:00
Adam Johnson
1c2c6f1b51
Fixed a/an typos in "SQL" usage. 2020-05-06 06:35:26 +02:00
Hasan Ramezani
6929f13254 Fixed #31368 -- Doc'd 'expression' parameter of Field.from_db_value()/Expression.convert_value(). 2020-03-18 09:37:05 +01:00
Adam Johnson
8c1b073b59
Doc'd return values of as_sql() for Func and query expressions. 2020-03-06 13:02:08 +01:00
Taoup
cebd41e416 Fixed #31110 -- Fixed typo in docs/ref/models/expressions.txt. 2019-12-21 20:33:04 +01:00
Mariusz Felisiak
416c584cab Removed versionadded/changed annotations for 2.2. 2019-09-10 12:01:00 +02:00
Tobias Kunze
4a954cfd11 Fixed #30573 -- Rephrased documentation to avoid words that minimise the involved difficulty. 
This patch does not remove all occurrences of the words in question.
Rather, I went through all of the occurrences of the words listed
below, and judged if they a) suggested the reader had some kind of
knowledge/experience, and b) if they added anything of value (including
tone of voice, etc). I left most of the words alone. I looked at the
following words:

- simply/simple
- easy/easier/easiest
- obvious
- just
- merely
- straightforward
- ridiculous

Thanks to Carlton Gibson for guidance on how to approach this issue, and
to Tim Bell for providing the idea. But the enormous lion's share of
thanks go to Adam Johnson for his patient and helpful review.
 2019-09-06 13:27:46 +02:00
Matthew Schinckel
4137fc2efc Fixed #25367 -- Allowed boolean expressions in QuerySet.filter() and exclude(). 
This allows using expressions that have an output_field that is a
BooleanField to be used directly in a queryset filters, or in the
When() clauses of a Case() expression.

Thanks Josh Smeaton, Tim Graham, Simon Charette, Mariusz Felisiak, and
Adam Johnson for reviews.

Co-Authored-By: NyanKiyoshi <hello@vanille.bid>
 2019-08-29 09:45:29 +02:00
Matthew Schinckel
dba749917f Doc'd for_save argument of Expression.resolve_expression(). 2019-08-27 16:54:01 +02:00
Vyacheslav Ver
76b3fc5c8d Fixed #30486 -- Fixed the default value of Aggregate.distinct and updated example of custom aggregate functions. 2019-06-11 11:40:48 +02:00
Vyacheslav Ver
60b6a7ea9d Fixed typo in expression documentation. 2019-05-16 16:03:27 +02:00
Daniel Musketa
6fd9c9daa6 Fixed #30365 -- Fixed syntax highlighting in SQL examples. 
Sphinx interprets some "%[a-z]" in SQL statements as a
"Literal.String.Interpol" which leads to incorrect highlighting.
 2019-04-23 12:37:50 +02:00
sage
bfae195b0a
Fixed #30326 -- Doc'd how to avoid persistence of F() assignment. 2019-04-15 08:57:33 +02:00
Simon Charette
9dc367dc10 Refs #30158 -- Added alias argument to Expression.get_group_by_cols(). 2019-03-21 18:47:46 -04:00
Tim Graham
ec7e179aeb Removed versionadded/changed annotations for 2.1. 2019-01-17 10:50:25 -05:00
Simon Charette
bc05547cd8 Fixed #28658 -- Added DISTINCT handling to the Aggregate class. 2019-01-09 17:52:36 -05:00
Simon Charette
9a7d336c38 Corrected Aggregate docs to reflect that it accepts multiple expressions. 2018-11-27 09:22:24 -05:00
Curtis Maloney
c49ea6f591 Refs #20910 -- Replaced snippet directive with code-block. 2018-09-10 13:00:34 -04:00
priyanshsaxena
83b04d4f88 Fixed #29048 -- Added **extra_context to database function as_vendor() methods. 2018-08-23 11:52:09 -04:00
Mads Jensen
ab251fdad2 Refs #26608 -- Removed incorrect sentence in Expression.contains_over_clause docs. 2018-07-05 11:12:08 -04:00
Tim Graham
7543ab1f8d Removed versionadded/changed annotations for 2.0. 2018-05-17 11:00:10 -04:00
Mariusz Felisiak
35319bf12c
Alphabetized imports in various docs. 
Follow-up of d97cce3409 and 7d3fe36c62.
 2018-05-12 19:37:42 +02:00
drd0013
5d923f2d8c Fixed #29313 -- Doc'd how to use F() to sort null values. 2018-04-19 20:07:40 -04:00
Matthew Wilkes
2162f0983d Fixed #24747 -- Allowed transforms in QuerySet.order_by() and distinct(*fields). 2018-02-10 19:08:55 -05:00
priyanshsaxena
617d5f410f Fixed #29066 -- Allowed negating query expressions. 2018-01-31 10:54:19 -05:00
Igor Starikov
3cc08f4b2b Fixed typo in docs/ref/models/expressions.txt. 2017-12-05 08:39:57 -05:00
Benjamin Bach
bf49d9eb0b Fixed #28815 -- Fixed ExtractYear imports in docs/ref/models/expressions.txt. 2017-11-17 17:30:21 -05:00
Tim Graham
327f0f37ce
Fixed #28770 -- Warned that quoting a placeholder in a raw SQL string is unsafe. 
Thanks Hynek Cernoch for the report and review.
 2017-11-07 13:07:12 -05:00
Tim Graham
1e7dbbdec5 Fixed #28680 -- Doc'd Func.__init__()'s **extra and as_sql()'s **extra_context aren't escaped. 
Thanks Hynek Cernoch for the report and review.
 2017-11-01 11:34:06 -04:00
Tim Graham
5446b72003 Removed versionadded/changed annotations for 1.11. 2017-09-22 12:51:18 -04:00
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
Tom
b78d100fa6 Fixed #27849 -- Added filtering support to aggregates. 2017-08-12 17:58:28 -04:00
Tim Graham
487362fa8f Fixed #28370 -- Deprecated the context arg of Field.from_db_value() and Expression.convert_value(). 
Unused since a0d166306f.
 2017-07-20 16:30:08 -04:00
Tomer Chachamu
62917cee5a Doc'd the need to remove default ordering on Subquery aggregates. 2017-07-18 08:48:25 -04:00
Alasdair Nicol
757aefc12b Removed self from method signatures in docs. 2017-03-16 20:33:59 -04:00
lb1c
36f2262741 Fixed incorrect import in docs/ref/models/expressions.txt. 2017-03-15 08:09:48 -04:00
chillaranand
dc165ec8e5 Refs #23919 -- Replaced super(ClassName, self) with super() in docs. 2017-01-25 11:53:05 -05:00
Paolo Melchiorre
5890d6ab03 Fixed typo in docs/ref/models/expressions.txt. 2017-01-25 07:46:18 -05:00
Tim Graham
e27e4c0339 Removed versionadded/changed annotations for 1.10. 2017-01-17 20:52:05 -05:00
Matthew Schinckel
236ebe94bf Fixed #27149 -- Added Subquery and Exists database expressions. 
Thanks Josh Smeaton for Oracle fixes.
 2017-01-14 09:12:24 -05:00
Yohann Gabory
47ef8f31f3 Fixed #13312 -- Allowed specifying the order of null fields in queries. 
Thanks Mariusz Felisiak for finishing the patch.
 2016-12-08 09:54:07 -05:00
Tim Graham
0d6c7cae7c Inlined a note in docs/ref/models/expressions.txt. 2016-11-09 08:20:59 -05:00