Results of 61 - 67 of about 67 for ForeignKey (0.080 sec.)
- アグリゲーション — Django 4.0.6 ドキュメント 6131
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... . ManyToManyField ( Author ) publisher = models . ForeignKey ( Publisher , on_delete = models . CASCADE ) pubda ... queries involve traversing the Book<->Publisher # foreign key relationship backwards. # Each publisher, each wi ...
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https://man.plustar.jp/django/topics/db/aggregation.html
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- Django Deprecation Timeline — Django 4.0.6 ドキュメント 6031
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... ribute will be removed. The on_delete argument for ForeignKey and OneToOneField will be required. django.db.mode ... emoved. Support for direct assignment to a reverse foreign key or many-to-many relation will be removed. The get ... ModelAdmin , ChangeList , BaseCommentNode , GenericForeignKey , Manager , SingleRelatedObjectDescriptor and Reve ...
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https://man.plustar.jp/django/internals/deprecation.html
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- django-admin と manage.py — Django 4.0.6 ドキュメント 6031
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... es the natural_key() model method to serialize any foreign key and many-to-many relationship to objects of the t ... ers. For example, it could be useful if you have a ForeignKey in REQUIRED_FIELDS and want to allow creating an i ...
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https://man.plustar.jp/django/ref/django-admin.html
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- Form fields — Django 4.0.6 ドキュメント 6031
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... a single model object, suitable for representing a foreign key. Note that the default widget for ModelChoiceFiel ... class Pizza ( models . Model ): topping = models . ForeignKey ( Topping , on_delete = models . CASCADE ) You can ...
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https://man.plustar.jp/django/ref/forms/fields.html
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- Database Functions — Django 4.0.6 ドキュメント 6031
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... DateTimeField ( auto_now = True ) blog = models . ForeignKey ( Blog , on_delete = models . CASCADE ) >>> from d ...
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https://man.plustar.jp/django/ref/models/database-functions.html
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- クエリー式 — Django 4.0.6 ドキュメント 6031
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... ld ())) When referencing relational fields such as ForeignKey , F() returns the primary key value rather than a ...
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https://man.plustar.jp/django/ref/models/expressions.html
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- Django 1.6 release notes — Django 4.0.6 ドキュメント 6031
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... FormView based classes. Added the django.db.models.ForeignKey.db_constraint and django.db.models.ManyToManyField ... RedirectView now support HTTP PATCH method. GenericForeignKey now takes an optional for_concrete_model argument, ... le the ORM is now internally ready for multicolumn foreign keys. General cleanup. These changes can result in so ...
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https://man.plustar.jp/django/releases/1.6.html
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