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Results of 11 - 20 of about 67 for ForeignKey (0.048 sec.)

The "sites" framework — Django 4.0.6 ドキュメント 7852: " + tagname + " "); } }); $("div.highlight\\-html\\+django span.nf").each(function(i, elem) { va ... he Site model in a many-to-one relationship, using ForeignKey . For example, if an article is only allowed on a ... arField ( max_length = 200 ) # ... site = models . ForeignKey ( Site , on_delete = models . CASCADE ) This has t ... ) pub_date = models . DateField () site = models . ForeignKey ( Site , on_delete = models . CASCADE ) objects = ... y default, CurrentSiteManager looks for a either a ForeignKey called site or a ManyToManyField called sites to f ...; https://man.plustar.jp/django/ref/contrib/sites.html - [similar]

複数のデータベース — Django 4.0.6 ドキュメント 7753: " + tagname + " "); } }); $("div.highlight\\-html\\+django span.nf").each(function(i, elem) { va ... on. This is purely a validation operation, used by foreign key and many to many operations to determine if a rel ... that already have migrations may result in broken foreign keys, extra tables, or missing tables. When makemigra ... quest ) . using ( self . using ) def formfield_for_foreignkey ( self , db_field , request , ** kwargs ): # Tell ... Django to populate ForeignKey widgets using a query # on the 'other' database. r ...; https://man.plustar.jp/django/topics/db/multi-db.html - [similar]

SchemaEditor — Django 4.0.6 ドキュメント 7554: " + tagname + " "); } }); $("div.highlight\\-html\\+django span.nf").each(function(i, elem) { va ... like transactions and deferred SQL (like creating ForeignKey constraints). It exposes all possible operations a ... l databases - for example, MyISAM does not support foreign key constraints. If you are writing or maintaining a ... ough is provided, it is a no-op. If the field is a ForeignKey , this will also add the foreign key constraint to ... model's table, along with any unique constraints, foreign key constraints, or indexes caused by that field. If ...; https://man.plustar.jp/django/ref/schema-editor.html - [similar]

Django 1.8.7 リリースノート — Django 4.0.6 ドキュメント 7554: " + tagname + " "); } }); $("div.highlight\\-html\\+django span.nf").each(function(i, elem) { va ... 25666 ). Fixed Model.refresh_from_db() updating of ForeignKey fields with on_delete=models.SET_NULL ( #25715 ). ... n ( #25685 ). Fixed set_FOO_order() crash when the ForeignKey of a model with order_with_respect_to references a ...; https://man.plustar.jp/django/releases/1.8.7.html - [similar]

QuerySet API リファレンス — Django 4.0.6 ドキュメント 7340: " + tagname + " "); } }); $("div.highlight\\-html\\+django span.nf").each(function(i, elem) { va ... ます(たとえば、 ManyToManyField フィールド、もしくは ForeignKey フィールドの逆参照など)。このケースを考えます: cl ... ass Event ( Model ): parent = models . ForeignKey ( 'self' , on_delete = models . CASCADE , related_ ... ntioning: If you have a field called foo that is a ForeignKey , the default values() call will return a dictiona ... els with reverse relations through OneToOneField , ForeignKey and ManyToManyField attributes: >>> Blog . objects ...; https://man.plustar.jp/django/ref/models/querysets.html - [similar]

モデルからフォームを作成する — Django 4.0.6 ドキュメント 7340: " + tagname + " "); } }); $("div.highlight\\-html\\+django span.nf").each(function(i, elem) { va ... FilePathField FilePathField FloatField FloatField ForeignKey ModelChoiceField (see below) ImageField ImageField ... eld UUIDField UUIDField お気付きかもしれませんが、 ForeignKey と ManyToManyField の 2 つのモデルフィールドは特殊 ... なケースとなります: ForeignKey は django.forms.ModelChoiceField によって表現され、 ... ) class Book ( models . Model ): author = models . ForeignKey ( Author , on_delete = models . CASCADE ) title = ...; https://man.plustar.jp/django/topics/forms/modelforms.html - [similar]

FAQ: 管理インタフェース — Django 4.0.6 ドキュメント 7241: " + tagname + " "); } }); $("div.highlight\\-html\\+django span.nf").each(function(i, elem) { va ... 示されません。 ¶ おかしな行数カウントが発生するのは、ForeignKeyの値が抜けている場合、または ForeignKeyであるフィール ... って null=False に設定されていることが原因です。もし ForeignKey が存在しないオブジェクトを指しているデータがあり、 ...; https://man.plustar.jp/django/faq/admin.html - [similar]

The Django admin documentation generator — Django 4.0.6 ドキュメント 7241: " + tagname + " "); } }); $("div.highlight\\-html\\+django span.nf").each(function(i, elem) { va ... abel, generally used in URLs." ) author = models . ForeignKey ( User , models . SET_NULL , blank = True , null = ... True , ) blog = models . ForeignKey ( Blog , models . CASCADE ) ... def publish ( self ...; https://man.plustar.jp/django/ref/contrib/admin/admindocs.html - [similar]

How to create database migrations — Django 4.0.6 ドキュメント 7141: " + tagname + " "); } }); $("div.highlight\\-html\\+django span.nf").each(function(i, elem) { va ... ew through model should use the same names for the ForeignKey s as Django did. Also if it needs any extra fields ... verbose_name = 'ID' , ), ), ( 'author' , models . ForeignKey ( on_delete = django . db . models . deletion . DO ... G , to = 'core.Author' , ), ), ( 'book' , models . ForeignKey ( on_delete = django . db . models . deletion . DO ...; https://man.plustar.jp/django/howto/writing-migrations.html - [similar]

PostgreSQL specific database constraints — Django 4.0.6 ドキュメント 7141: " + tagname + " "); } }); $("div.highlight\\-html\\+django span.nf").each(function(i, elem) { va ... ss Reservation ( models . Model ): room = models . ForeignKey ( 'Room' , on_delete = models . CASCADE ) timespan ... ss Reservation ( models . Model ): room = models . ForeignKey ( 'Room' , on_delete = models . CASCADE ) start = ...; https://man.plustar.jp/django/ref/contrib/postgres/constraints.html - [similar]

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