如果你传递in_bulk()一个空列表,你会得到一个空字典。 在Django 3.2 中更改: 允许使用不同的字段。
In Django hat jedes Modell standardmäßig einenObject-Manager. Dieser Manager kann viele Dinge tun, z. B. Modellinstanzen abrufen, Modellinstanzen filtern, Modellinstanzen löschen. Wir können sogar unseren eigenen Manager erstellen, indem wir den von Django bereitgestellten Basismanager ...
A library for mocking django queryset functions in memory for testing - Implement `annotate` and `in_bulk` (updated) · stphivos/django-mock-queries@b394047
OwnerAuthor M1ha-ShvncommentedAug 3, 2018 This postmay be useful for PostgreSQL 9.4 Copy link OwnerAuthor M1ha-ShvncommentedAug 3, 2018 Django currently doesn't support on_conflict (thread) so I'll need to implement custom bulk_create instead of standard one... ...
(bulk_create.tests.BulkCreateTests) --- Traceback (most recent call last): File "/Users/robin/src/django/django/db/backends/utils.py", line 85, in _execute return self.cursor.execute(sql, params) psycopg2.IntegrityError: null value in column "country_id" violates not-null constraint DETAIL...
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I am excited to share that I have worked on implementing the feature requested in this ticket and have submitted a pull request for review. You can view and provide feedback or suggestions here:https://github.com/django/django/pull/17515. ...