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4448 Commits

Author SHA1 Message Date
Alex Aktsipetrov
681f7e2b13 Fixed #20577 -- Deferred filtering of prefetched related querysets. 
Added internal interface to QuerySet that allows to defer next filter
call till .query is accessed. Used it to optimize prefetch_related().

Thanks Simon Charette for the review.
 2019-10-21 13:21:54 +02:00
Alex Aktsipetrov
70d8146986 Adjusted QuerySet._filter_or_exclude() call to use negated=False, rather than None. 
None was a remnant from the times _filter_or_exclude accepted
qtype/mapper as the first arg.
 2019-10-21 12:45:17 +02:00
Ahmet Kucuk
09578f6dfb Fixed #30827 -- Made batch_size arg of QuerySet.bulk_create() respect DatabaseOperations.bulk_batch_size(). 
Thanks Chetan Khanna for tests.
 2019-10-21 11:46:44 +02:00
André Ericson
3120490912 Fixed #30876 -- Moved classproperty() decorator to the django.utils.functional. 2019-10-21 09:57:39 +02:00
André Ericson
31174031f1 Fixed #30841 -- Deprecated using non-boolean values for isnull lookup. 2019-10-21 08:44:20 +02:00
Hasan Ramezani
ef4beafa2c Refs #28816 -- Prevented silencing data loss when decreasing CharField.max_length for ArrayField.base_field on PostgreSQL. 2019-10-17 12:50:53 +02:00
sage
6f82df69ef Refs #12990 -- Moved CheckFieldDefaultMixin to the django.db.models.fields.mixins. 2019-10-17 12:30:29 +02:00
Mariusz Felisiak
187a64608d Fixed #30885 -- Dropped support for MariaDB 10.1. 2019-10-16 18:40:48 +02:00
Mariusz Felisiak
4a849b6701
Fixed #30859 -- Fixed DatabaseFeatures.supports_aggregate_filter_clause on SQLite 3.30.1+. 2019-10-15 20:55:49 +02:00
Simon Charette
2839659b42 Fixed #30868 -- Prevented unnecessary AlterField when renaming a referenced pk. 
Regression introduced by dcdd219ee1, refs #25817.

Thanks Carlos E. C. Leite for the report and Mariusz for the bisect.
 2019-10-14 08:02:26 +02:00
Hasan Ramezani
6a75cea76a Fixed #30854 -- Fixed QuerySet.select_related() with multiple FilteredRelations. 2019-10-11 08:10:48 +02:00
Hasan Ramezani
e1ae2b0050 Refs #30854 -- Moved local_setter() outside the loop in SQLCompiler.get_related_selections(). 2019-10-11 08:07:07 +02:00
Benjy Weinberger
3cd3bebe89 Fixed #30300 -- Allowed migrations to be loaded from directories without __init__.py file. 2019-10-10 08:31:41 +02:00
Mariusz Felisiak
02c63b8f2f
Refs #26608 -- Fixed DatabaseFeatures.supports_frame_range_fixed_distance on SQLite 3.28+, MariaDB 10.2+, and MySQL 8.0.2+. 2019-10-09 13:07:50 +02:00
Simon Charette
8b10357854 Fixed #30860 -- Disabled unneeded NULLS FIRST/LAST workaround on SQLite 3.30+. 2019-10-09 10:47:49 +02:00
Simon Charette
26c66f4519 Fixed #30856 -- Combined fast-delete queries by model during cascade deletion. 
Reduced the number of queries required when performing cascade deletion
for a model referenced multiple time by another one by performing an
union of reference lookups.
 2019-10-09 09:49:53 +02:00
Simon Charette
44522d1036 Made Collector.collect() return immediately for disabled related collection. 2019-10-09 09:49:53 +02:00
Simon Charette
832aa08afe Used defaultdict in deletion.Collector. 2019-10-09 09:49:27 +02:00
Hasan Ramezani
6452112640 Refs #27914 -- Fixed serialization of nested enum.Enum classes in migrations. 2019-10-03 08:39:30 +02:00
Mariusz Felisiak
02ba48bc23 Removed redundant names in django.db.models.functions.__all__. 2019-10-02 13:07:14 +02:00
Anatol Ulrich
8ed6788aa4 Fixed #30821 -- Added ExtractIsoWeekYear database function and iso_week_day lookup. 2019-10-02 10:41:34 +02:00
ElizabethU
54ea290e5b Fixed #30651 -- Made __eq__() methods return NotImplemented for not implemented comparisons. 
Changed __eq__ to return NotImplemented instead of False if compared to
an object of the same type, as is recommended by the Python data model
reference. Now these models can be compared to ANY (or other objects
with __eq__ overwritten) without returning False automatically.
 2019-10-01 17:58:19 +02:00
Mariusz Felisiak
67e7dffe95 Fixed typo in BulkInsertMapper constant name. 2019-10-01 14:46:10 +02:00
Ahmet Kucuk
dc890bef5a Fixed #30510 -- Fixed crash of QuerySet.bulk_create() with mixed-length texts on Oracle. 
Text with more than 4000 characters must be set to as a CLOB on Oracle
what caused a mixed datatype error (ORA-01790) when shorter text
appeared in the same operation.
 2019-10-01 12:38:58 +02:00
Hasan Ramezani
f0adf3b9b7 Fixed #30774 -- Made serialization in migrations use members names for Enums. 2019-09-30 10:28:05 +02:00
Hasan Ramezani
95a11578ce Fixed #30798 -- Fixed Meta.ordering validation for pk of related fields. 
Regression in 440505cb2cadbe1a5b9fba246bcde6c04f51d07e.
 2019-09-27 14:22:31 +02:00
Hasan Ramezani
c7944628a1 Refs #30798 -- Prevented chaining fields from the same related model multiple times in model Meta.ordering. 2019-09-27 13:57:22 +02:00
Mariusz Felisiak
580e644f24
Fixed #30800 -- Fixed migrations crash when altering a field with custom db_type(). 
Regression in 1378d665a1c85897d951f2ca9618b848fdbba2e7.
 2019-09-25 12:32:24 +02:00
Mads Jensen
129583a0d3 Removed some outdated backwards compatibility imports and misleading comments. 
EmptyResultSet moved in 46509cf13dbf049f75077981c29ef2c60b5a96ab.
FieldDoesNotExist moved in 8958170755b37ce346ae5257c1000bd936faa3b0.
BoundField and pretty_name moved in 8550161e531a603d57723850fb09c4c9b7ca60b9.
EMPTY_VALUES moved in 471596fc1afcb9c6258d317c619eaf5fd394e797.
BaseRunserverCommand moved in 5c53e30607014163872e89c221b206992a9acfef.
 2019-09-24 15:18:53 +02:00
Mariusz Felisiak
01104368ff Refs #29444 -- Removed redundant DatabaseFeatures.can_return_multiple_columns_from_insert. 
Unnecessary since b31e63879eb5d9717e9f890401f7222e4f00c910.
 2019-09-24 10:37:22 +02:00
Johannes Hoppe
b31e63879e Fixed #29444 -- Allowed returning multiple fields from INSERT statements on Oracle. 2019-09-24 10:22:43 +02:00
Simon Charette
37f8f29377 Fixed #30796 -- Prevented select_related() from mutating a queryset on chaining. 
Thanks Darren Maki for the report.
 2019-09-24 09:17:45 +02:00
Hasan Ramezani
f97bbad908 Fixed #13296 -- Fixed ordering by Options.order_with_respect_to after deleting objects. 
Thanks Simon Meers for the original patch.
 2019-09-23 11:20:37 +02:00
Ian Foote
d9881a025c Fixed #29915 -- Added support for values with hyphens to pattern lookups for UUIDField on backends without UUID datatype. 
Support hyphens in iexact, contains, icontains, startswith, istartswith,
endswith and iendswith UUIDField filters on backends without UUID
datatype.
 2019-09-23 08:24:08 +02:00
James Timmins
0719edcd5f Fixed #30771 -- Fixed exact lookup against queries with selected columns. 
Use pre-existing select fields (and thereby GROUP BY fields) from
subquery if they were specified, instead of always defaulting to pk.

Thanks Aur Saraf for the report and Simon Charette for guidance.
 2019-09-20 10:42:14 +02:00
Andrew
3346b78a8a Fixed #30786 -- Used CONVERT_TZ to check if the time zone definitions are installed on MySQL. 
Replaced a timezone check in the MySQL backend with one that doesn't
require access to the mysql.time_zone database.
 2019-09-20 08:17:27 +02:00
Adnan Umer
241deed259 Fixed #30591 -- Fixed recreation of foreign key constraints on MySQL when altering type of referenced unique field. 
Thanks Mariusz Felisiak for tests and Matthijs Kooijman for
investigation and initial patch.
 2019-09-11 11:21:08 +02:00
Mariusz Felisiak
0ddb4ebf7b Refs #14357 -- Made Meta.ordering not affect GROUP BY queries. 
Per deprecation timeline.
 2019-09-10 12:01:00 +02:00
Simon Charette
34decdebf1 Fixed #30754 -- Prevented inclusion of aliases in partial index conditions. 
SQLite doesn't repoint table aliases in partial index conditions on table
rename which breaks the documented table alteration procedure.

Thanks Pēteris Caune for the report.
 2019-09-10 10:03:16 +02:00
Vojtech Bocek
b1d37fea8f Fixed #28107 -- Added DatabaseFeatures.allows_group_by_selected_pks_on_model() to allow enabling optimization for unmanaged models. 2019-09-09 14:04:46 +02:00
Johannes Hoppe
7254f1138d Refs #29444 -- Allowed returning multiple fields from INSERT statements on PostgreSQL. 
Thanks Florian Apolloner, Tim Graham, Simon Charette, Nick Pope, and
Mariusz Felisiak for reviews.
 2019-09-09 10:51:14 +02:00
Johannes Hoppe
736e7d44de Refs #29444 -- Fixed DateField constructor in db.backends.oracle.utils.InsertVar. 2019-09-09 10:51:07 +02:00
Nick Pope
b6251956b6 Fixed #30757 -- Added a system check to ensure max_length fits the longest choice. 2019-09-09 10:28:18 +02:00
Mariusz Felisiak
addabc492b
Fixed DatabaseFeatures.can_introspect_check_constraints on MariaDB < 10.2.22, 10.3.0 - 10.3.9. 
Regression in e2c6a0858d7d9ad85eda353076a5b46608b704a9.
 2019-09-06 11:53:54 +02:00
Mariusz Felisiak
e2c6a0858d Fixed #30750 -- Added support for check constraints on MySQL 8.0.16+. 2019-09-05 09:18:34 +02:00
Shai Berger
72ebe85a26 Fixed #27910 -- Added enumeration helpers for use in Field.choices. 
These classes can serve as a base class for user enums, supporting
translatable human-readable names, or names automatically inferred
from the enum member name.

Additional properties make it easy to access the list of names, values
and display labels.

Thanks to the following for ideas and reviews:

Carlton Gibson, Fran Hrženjak, Ian Foote, Mariusz Felisiak, Shai Berger.

Co-authored-by: Shai Berger <shai@platonix.com>
Co-authored-by: Nick Pope <nick.pope@flightdataservices.com>
Co-authored-by: Mariusz Felisiak <felisiak.mariusz@gmail.com>
 2019-09-04 14:42:49 +02:00
Viktor Lomakin
5931d2e96a Fixed #30691 -- Made migrations autodetector find dependencies for foreign keys altering. 2019-09-03 14:45:49 +02:00
Johannes Hoppe
003bb34b21 Refs #29444 -- Made db.backends.oracle.utils.InsertVar use str as default. 2019-09-03 10:34:55 +02:00
Simon Charette
13a8884a08 Fixed #30739 -- Fixed exclusion of multi-valued lookup against outer rhs. 
OuterRef right hand sides have to be nested, just like F rhs have to,
during the subquery pushdown split_exclude performs to ensure they are
resolved against the outer query aliases.
 2019-09-02 10:52:36 +02:00
Simon Charette
600628f8f0 Refs #28442 -- Adjusted related lookups handling of expression rhs. 
Expressions should never be prepared as other Lookup.get_prep_lookup
implementations hint at by returning early on the presence of the
resolve_expression attribute.

The previous solution was only handling lookups against related fields
pointing at AutoFields and would break for foreign keys to other fields.

It was also causing bidirectional coupling between model fields and
expressions which the method level import of OuterRef was a symptom of.
 2019-09-02 10:52:36 +02:00