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51 Commits

Author SHA1 Message Date
Salvo Polizzi
b82f80906a Fixed #35038 -- Created AlterConstraint operation. 2024-11-28 17:40:52 +01:00
Adam Johnson
f5ddd54986 Fixed #35704 -- Fixed reduction for AddIndex subclasses. 2024-09-03 12:51:06 +02:00
Adam Johnson
20d44abb41 Fixed #35700 -- Added AlterModelTable and AlterModelTableComment reductions. 2024-08-30 18:50:12 +02:00
Simon Charette
daf7d482db Refs #35234 -- Deprecated CheckConstraint.check in favor of .condition. 
Once the deprecation period ends CheckConstraint.check() can become the
documented method that performs system checks for BaseConstraint
subclasses.
 2024-03-01 07:15:32 +01:00
Ben Cail
8b7ddd1b62 Refs #34534 -- Reduced constraint operations with Meta.constraints when optimizing migrations. 2024-02-09 07:02:52 +01:00
Mariusz Felisiak
2abf417c81 Refs #27236 -- Removed Meta.index_together per deprecation timeline. 2023-09-18 22:12:40 +02:00
Akash Kumar Sen
92f0017133 Refs #34534 -- Reduced Add/RemoveConstraint and Add/RenameIndex operations when optimizing migrations. 2023-05-09 12:45:09 +02:00
Mariusz Felisiak
8e2460d599
Fixed #34529, Refs #34525 -- Reduced index operations with Meta.indexes/index_together when optimizing migrations. 
This makes squashing migrations an available path for changing
Meta.index_together, which is deprecated, to Meta.indexes.

Follow up to f810325721.
 2023-05-03 13:06:19 +02:00
Mariusz Felisiak
191f6a9a45
Fixed #34528 -- Reduced Add/RemoveIndex operations when optimizing migrations. 2023-05-01 18:57:24 +02:00
Laurent Tramoy
2276ec8c21 Fixed #34366 -- Reduced AlterField operations when optimizing migrations. 2023-02-24 13:59:42 +01:00
Mariusz Felisiak
c773d5794e Refs #27236 -- Reverted AlterIndexTogether deprecation. 
This partly reverts a6385b382e.
 2022-07-26 11:41:19 +02:00
David Wobrock
a6385b382e
Fixed #27236 -- Deprecated Meta.index_together in favor of Meta.indexes. 
This also deprecates AlterIndexTogether migration operation.
 2022-07-12 09:04:31 +02:00
David Wobrock
eacd4977f6 Refs #27064 -- Added RenameIndex migration operation. 2022-05-12 20:44:03 +02:00
Adam Johnson
8f7cda0831
Fixed #33572 -- Implemented CreateModel/AlterModelManagers reduction. 2022-03-11 07:03:51 +01:00
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
Hasan Ramezani
7c18b22e2f Fixed #32256 -- Fixed migration optimization crash when swapping field names. 
This disables optimization of RenameField operation when an old field
name is referenced in subsequent operations.

Co-authored-by: InvalidInterrupt <InvalidInterrupt@users.noreply.github.com>
 2021-02-19 11:19:01 +01:00
Hasan Ramezani
8d582bf510 Fixed #32262 -- Fixed migration optimization for model creation and Meta options removal. 2020-12-18 06:57:57 +01:00
Simon Charette
25bf15c0da Refs #22608 -- Made app_label required when optimizing migrations. 
This paved the way for the removal of lot of logic when app_label was
not specified.
 2020-04-09 10:08:02 +02:00
Vytis Banaitis
d02b2aa11e Made assertOptimizesTo() more strict in migrations tests. 
A recursive deconstruction is needed because comparing deconstructed
operations doesn't check field attributes. Fixed typo in failing test.
 2019-01-21 17:29:46 -05:00
Simon Charette
8e3f22f251 Fixed #27731 -- Implemented CreateModel/AlterFooOperation reduction. 
This should alleviate the side effects of disabling the AlterFooOperation
reduction with RemoveField to fix refs #28862 during migration squashing
because CreateModel can perform a reduction with RemoveField.

Thanks Nick Pope for the review.
 2018-07-19 17:06:01 -04:00
Simon Charette
ed7898e1b5 Fixed #28862 -- Disabled optimization of AlterFooTogether and RemoveField. 
AlterFooTogether operations cannot be swapped with RemoveField operations on
the same model as they could be removing the the same field as well.

Since AlterFooTogether operations don't track what their previous value was,
it's impossible to determine whether or not the optimization is safe so the
only way to proceed is to disable the optimization.

Thanks Ramiro Morales for the in-depth analysis of the issue.

Refs #24828
 2018-07-19 17:06:01 -04:00
Simon Charette
37cafbfb79 Fixed #27845 -- Allowed both right and left optimizations of operations. 
Thanks Raphael Gaschignard for the suggestion.
 2018-07-11 10:49:50 -04:00
Simon Charette
ad82900ad9 Fixed #26720 -- Prevented invalid CreateModel optimizations of related fields. 2018-07-11 10:49:50 -04:00
Simon Charette
a97845a823 Fixed #27768 -- Allowed migration optimization of CreateModel order. 
Thanks Ed Morley from Mozilla for the tests.
 2018-07-11 10:49:50 -04:00
Simon Charette
e4c0878b30 Refs #22875 -- Fixed an optimizer test to use a valid scenario. 
An explicit intermediary many-to-many relationship must declare forward and
reverse foreign keys. The original issue was in the autodetector as these
operations shouldn't have been generated in this order in the first place
which is tested by AutodetectorTests.test_create_with_through_model.
 2018-07-10 16:47:57 -04:00
Mariusz Felisiak
83a36ac49a
Removed unnecessary trailing commas and spaces in various code. 2017-12-28 21:07:29 +01:00
Ed Morley
bfd42392ab Simplified tests with assertDoesNotOptimize(). 2017-01-25 13:52:44 -05:00
Claude Paroz
d7b9aaa366 Refs #23919 -- Removed encoding preambles and future imports 2017-01-18 09:55:19 +01:00
Ed Morley
7156a6c9c4 Fixed #27717 -- Allowed migration optimization across AlterModelOptions. 2017-01-10 18:38:48 -05:00
za
321e94fa41 Refs #27392 -- Removed "Tests that", "Ensures that", etc. from test docstrings. 2016-11-10 21:30:21 -05:00
Sergey Fedoseev
7fc4c1db62 Fixed #26710 -- Made CreateModel.references_model() take app_label into account. 2016-06-06 11:49:45 -04:00
James Robert
417e083e55 Fixed #26521 -- Validated CreateModel bases, fields and managers for duplicates. 2016-04-27 12:43:56 -04:00
Simon Charette
729e0b086d Fixed #24109 -- Allowed RunSQL and RunPython operations to be elided. 
Thanks to Markus Holtermann and Tim Graham for their review.
 2016-01-23 14:19:03 -05:00
Dražen Odobašić
b1e33ceced Fixed #23395 -- Limited line lengths to 119 characters. 2015-09-12 11:40:50 -04:00
Flavio Curella
c2e70f0265 Fixed #21127 -- Started deprecation toward requiring on_delete for ForeignKey/OneToOneField 2015-07-27 18:28:13 -04:00
Markus Holtermann
e470f311d6 Fixed #24828 -- Allowed migration optimization across AlterFooTogether 
The idea behind this change is, that AlterUniqueTogether,
AlterIndexTogether and AlterOrderWithRespectTo can always be moved after
an Add/Alter/Rename/RemoveField operation if they don't refer to the
respective field and are not empty sets / None.

Combined with the optimizations of duplicate AlterUniqueTogether,
AlterIndexTogether, and AlterOrderWithRespectTo operations from
128caa1e16, these operations are optimized
in a later round of the optimizer.

Thanks Tim Graham for the review.
 2015-06-16 00:43:22 +02:00
Markus Holtermann
128caa1e16 Optimized duplicate AlterModelTable/AlterFooTogether/AlterOWRT 
Thanks Andrew Godwin for the review.
 2015-06-14 20:34:48 +02:00
Markus Holtermann
5bc412c35a Took AlterOrderWithRespectTo into account when optimizing migrations 
Thanks Andrew Godwin for the review.
 2015-06-14 20:34:34 +02:00
Simon Charette
be67400b47 Refs #24652 -- Used SimpleTestCase where appropriate. 2015-05-20 13:46:13 -04:00
Tim Graham
0ed7d15563 Sorted imports with isort; refs #23860. 2015-02-06 08:16:28 -05:00
Markus Holtermann
1f03d2d924 Refs #23822 -- Made MigrationOptimizer aware of model managers 2015-01-07 17:33:04 -05:00
Patryk Zawadzki
21e21c7bc2 Fixed #23844 -- Used topological sort for migration operation dependency resolution. 
This removes the concept of equality between operations to guarantee
compatilibity with Python 3.

Python 3 requires equality to result in identical object hashes. It's
impossible to implement a unique hash that preserves equality as
operations such as field creation depend on being able to accept
arbitrary dicts that cannot be hashed reliably.

Thanks Klaas van Schelven for the original patch in
13d613f800.
 2014-11-20 12:49:49 -05:00
Andrew Godwin
b30d32ff24 Fixed #22875: Optimizer did not take through= into account. 2014-06-22 11:23:45 -07:00
Claude Paroz
e520a73eee Harmonized some PEP 0263 coding preambles 2014-05-15 19:58:41 +02:00
Alex Gaynor
e5b7045422 flake8 fixes 2013-11-06 20:00:48 -08:00
Andrew Godwin
106b019dc9 Massive migration optimiser improvements + RenameModel opn 2013-11-06 13:47:58 +00:00
Alex Gaynor
f67e18f39e Fixed all E251 violations 2013-11-03 10:17:58 -08:00
Tim Graham
36ded01527 Fixed #21302 -- Fixed unused imports and import *. 2013-11-02 15:24:56 -04:00
Andrew Godwin
42f8666f6a Improve migration optimizer to be able to optimize through other ops 2013-10-16 11:09:33 +01:00