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Author SHA1 Message Date
非法操作 19dc3f0f96 Fixed typo in Query.clone()'s docstring. 2022-05-13 06:56:20 +02:00
Mariusz Felisiak 68da6b389c
Fixed #33543 -- Deprecated passing nulls_first/nulls_last=False to OrderBy and Expression.asc()/desc(). 
Thanks Allen Jonathan David for the initial patch.
 2022-05-12 11:30:03 +02:00
Ed Rivas 2798c937de Fixed #29538 -- Fixed crash of ordering by related fields when Meta.ordering contains expressions. 
Thanks Simon Charette for the review.
 2022-05-12 07:19:16 +02:00
Gagaro 667105877e Fixed #30581 -- Added support for Meta.constraints validation. 
Thanks Simon Charette, Keryn Knight, and Mariusz Felisiak for reviews.
 2022-05-10 11:22:23 +02:00
Gagaro 5d91dc8ee3 Refs #30581 -- Added Q.check() hook. 2022-05-04 08:47:52 +02:00
Simon Charette 1109e66990
Refs #33646 -- Reduced sync_to_async hops on async QuerySet iteration. 
Until we add support for truly asynchronous database backends it's
actually detrimental to have complete set retrieval require multiple
hops between sync and async emulated contexts via asgiref.

By defaulting to sending the whole sync _fetch_all() to the current
context thread pool we reduce unncessary work when dealing with large
result sets since the queryset cannot be iterated anyway before all
results are retrieved and cached.
 2022-05-04 08:31:59 +02:00
Gagaro 9d04711261 Refs #30581 -- Added Q.flatten(). 2022-05-03 15:31:53 +02:00
Mariusz Felisiak 271a8e73ee Refs #33646 -- Made QuerySet.raw() async-compatible. 2022-05-02 10:52:33 +02:00
Mariusz Felisiak 77926176b2 Refs #33646 -- Added RawModelIterable. 2022-05-02 10:52:33 +02:00
David Wobrock aca9bb2a12 Fixed #33413 -- Made migrations propage collations to related fields. 2022-05-02 08:13:38 +02:00
David Wobrock 87da283338 Refs #33413 -- Added collation to CharField/TextField's db_parameters. 2022-04-29 06:30:15 +02:00
Andrew Godwin 58b27e0dbb Fixed #33646 -- Added async-compatible interface to QuerySet. 
Thanks Simon Charette for reviews.

Co-authored-by: Carlton Gibson <carlton.gibson@noumenal.es>
Co-authored-by: Mariusz Felisiak <felisiak.mariusz@gmail.com>
 2022-04-26 20:25:23 +02:00
marcperrinoptel 4282fd468f Fixed #33655 -- Removed unnecessary constant from GROUP BY clause for QuerySet.exists(). 2022-04-26 06:19:18 +02:00
Hannes Ljungberg ed0a2c3238
Removed unnecessary variable in Index.create_sql(). 
Unnecessary since fdfb3086fc.
 2022-04-22 19:07:56 +02:00
Collin Anderson 0de89b6f8d
Refs #31223 -- Added __class_getitem__() to ForeignKey. 2022-04-22 14:13:12 +02:00
sarahboyce cd4da34fc1 Fixed #33004 -- Made saving objects with unsaved GenericForeignKey raise ValueError. 
This aligns to the behaviour of OneToOneField and ForeignKey fields.

Thanks Jonny Park for the initial patch.
 2022-04-21 10:12:28 +02:00
Mariusz Felisiak f4f2afeb45
Refs #32226 -- Fixed JSON format of QuerySet.explain() on PostgreSQL when format is uppercased. 
Follow up to aba9c2de66.
 2022-04-19 08:24:24 +02:00
Mariusz Felisiak a0bd006306
Made select_for_update() don't raise TransactionManagementError on databases that don't support transactions. 2022-04-14 07:53:15 +02:00
Mariusz Felisiak fdfb3086fc Fixed DatabaseFeatures.supports_index_column_ordering and related tests with MyISAM storage engine. 2022-04-13 11:56:24 +02:00
David Smith 856b528801
Removed unnecessary tuple call in SQLInsertCompiler. 2022-04-13 08:10:52 +02:00
mgaligniana 0ad5316f22 Fixed #24296 -- Made QuerySet.exists() clear selected columns for not sliced distinct querysets. 2022-04-12 08:18:22 +02:00
Himanshu-Balasamanta 06ebaa9e28 Fixed #33626 -- Cleared cache when unregistering a lookup. 2022-04-12 06:24:02 +02:00
Mariusz Felisiak 6723a26e59 Fixed CVE-2022-28347 -- Protected QuerySet.explain(**options) against SQL injection on PostgreSQL. 2022-04-11 08:59:58 +02:00
Mariusz Felisiak 93cae5cb2f Fixed CVE-2022-28346 -- Protected QuerySet.annotate(), aggregate(), and extra() against SQL injection in column aliases. 
Thanks Splunk team: Preston Elder, Jacob Davis, Jacob Moore,
Matt Hanson, David Briggs, and a security researcher: Danylo Dmytriiev
(DDV_UA) for the report.
 2022-04-11 08:59:33 +02:00
Simon Charette 0b31e02487 Fixed #33618 -- Fixed MTI updates outside of primary key chain. 2022-04-07 07:54:56 +02:00
sarahboyce 65effbdb10 Fixed #33471 -- Made AlterField operation a noop when changing "choices". 
This also allows customizing attributes of fields that don't affect
a column definition.
 2022-04-06 13:05:57 +02:00
Luke Plant 40b8a6174f Fixed #33397 -- Corrected resolving output_field for DateField/DateTimeField/TimeField/DurationFields. 
This includes refactoring of CombinedExpression._resolve_output_field()
so it no longer uses the behavior inherited from Expression of guessing
same output type if argument types match, and instead we explicitly
define the output type of all supported operations.

This also makes nonsensical operations involving dates
(e.g. date + date) raise a FieldError, and adds support for
automatically inferring output_field for cases such as:
* date - date
* date + duration
* date - duration
* time + duration
* time - time
 2022-03-31 11:05:23 +02:00
Luke Plant 1efea11808 Refs #33397 -- Added register_combinable_fields(). 2022-03-31 11:02:46 +02:00
Mariusz Felisiak d7eb500338 Removed unnecessary Query.get_loaded_field_names_cb() and Query.deferred_to_data()'s callback argument. 2022-03-31 10:54:59 +02:00
Mariusz Felisiak 0a3c6fe6b2 Refs #24020 -- Removed redundant Query.get_loaded_field_names(). 
get_loaded_field_names() is no longer called in multiple places
(see 0c7633178f) and it's redundant
with SQLCompiler.deferred_to_columns().
 2022-03-31 10:54:59 +02:00
Mariusz Felisiak 0db0a25d84
Updated select_related_descend() comment. 
Outdated since 0c7633178f.
 2022-03-31 08:50:25 +02:00
Mariusz Felisiak fac662f479
Fixed #33598 -- Reverted "Removed unnecessary reuse_with_filtered_relation argument from Query methods." 
Thanks lind-marcus for the report.

This reverts commit 0c71e0f9cf.

Regression in 0c71e0f9cf.
 2022-03-30 07:31:56 +02:00
Carlton Gibson bb61f0186d Refs #32365 -- Removed internal uses of utils.timezone.utc alias. 
Remaining test case ensures that uses of the alias are mapped
canonically by the migration writer.
 2022-03-24 06:29:50 +01:00
Gagaro 4bd494db42 Made BaseConstraint importable from django.db.models. 2022-03-16 16:21:10 +01:00
Gagaro 1ea7e3157d Used sets for field names for exclusion. 
They are used only for containment checks.
 2022-03-16 11:05:09 +01:00
Gagaro bf524d229f Refs #30581 -- Allowed sql.Query to be used without model. 2022-03-16 09:33:16 +01:00
Sage Abdullah a88fab1bca Fixed #33552 -- Fixed JSONField has key lookups with numeric keys on MariaDB, MySQL, Oracle, and SQLite. 2022-03-15 06:37:35 +01:00
Ryan Heard c6b4d62fa2 Fixed #29865 -- Added logical XOR support for Q() and querysets. 2022-03-04 12:55:37 +01:00
Keryn Knight 24cc51f8fb Refs #27624 -- Optimized Query.clone() a bit. 2022-03-03 08:38:03 +01:00
Keryn Knight 6d5709ce7d Refs #27624 -- Optimized sql.Query creation by moving immutable/singleton attributes to class attributes. 2022-03-03 08:36:29 +01:00
Albert Defler 2b6a3baebe Fixed #31486 -- Deprecated passing unsaved objects to related filters. 
Co-Authored-By: Hasan Ramezani <hasan.r67@gmail.com>
 2022-02-25 07:51:37 +01:00
Albert Defler 7ba6ebe914 Fixed #19580 -- Unified behavior of reverse foreign key and many-to-many relations for unsaved instances. 2022-02-22 09:16:40 +01:00
Mariusz Felisiak 1e2e1be02b
Fixed #33515 -- Prevented recreation of migration for ManyToManyField to lowercased swappable setting. 
Thanks Chris Lee for the report.

Regression in 4328970780.

Refs #23916.
 2022-02-16 21:09:24 +01:00
Collin Anderson 35c2474f16
Made Field.error_messages a cached property. 
This speeds up field creation and reduces memory usage.
 2022-02-16 20:30:04 +01:00
Damian Posener 09e499a39e Fixed #33501 -- Made order_with_respect_to respect database routers. 2022-02-09 13:31:49 +01:00
Simon Charette d35ce682e3 Fixed #33506 -- Made QuerySet.bulk_update() perform atomic writes against write database. 
The lack of _for_write = True assignment in bulk_update prior to
accessing self.db resulted in the db_for_read database being used to
wrap batched UPDATEs in a transaction.

Also tweaked the batch queryset creation to also ensure they are
executed against the same database as the opened transaction under all
circumstances.

Refs #23646, #33501.
 2022-02-09 11:14:50 +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
Mariusz Felisiak 6f185a53a2
Refs #33482 -- Fixed QuerySet selecting and filtering againts negated Exists() with empty queryset. 
Regression in b7d1da5a62.
 2022-02-07 20:34:21 +01:00
Mariusz Felisiak c5cd878382
Refs #33476 -- Refactored problematic code before reformatting by Black. 
In these cases Black produces unexpected results, e.g.

def make_random_password(
    self,
    length=10,
    allowed_chars='abcdefghjkmnpqrstuvwxyz' 'ABCDEFGHJKLMNPQRSTUVWXYZ' '23456789',
):

or

cursor.execute("""
SELECT ...
""",
    [table name],
)
 2022-02-03 11:20:46 +01:00