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Results of 31 - 40 of about 41 for constraint (0.058 sec.)

Model Meta options — Django 4.0.6 ドキュメント 7009: " + tagname + " "); } }); $("div.highlight\\-html\\+django span.nf").each(function(i, elem) { va ... ue_together ¶ Options. unique_together ¶ Use UniqueConstraint with the constraints option instead. UniqueConstra ... ationError raised during model validation when the constraint is violated has the unique_together error code. in ... elds: index_together = [ "pub_date" , "deadline" ] constraints ¶ Options. constraints ¶ A list of constraints th ... del ): age = models . IntegerField () class Meta : constraints = [ models . CheckConstraint ( check = models . Q ...; https://man.plustar.jp/django/ref/models/options.html - [similar]

QuerySet API リファレンス — Django 4.0.6 ドキュメント 7009: " + tagname + " "); } }); $("div.highlight\\-html\\+django span.nf").each(function(i, elem) { va ... tra() and it will behave as you expect (adding new constraints each time). params The where parameter described ... que, such as the primary key or fields in a unique constraint. For example: Entry . objects . get ( id = 1 ) Ent ... in the keyword arguments do not have a uniqueness constraint, concurrent calls to this method may result in mul ... ase to ignore failure to insert any rows that fail constraints such as duplicate unique values. Enabling this pa ...; https://man.plustar.jp/django/ref/models/querysets.html - [similar]

Django 1.8 リリースノート — Django 4.0.6 ドキュメント 7009: " + tagname + " "); } }); $("div.highlight\\-html\\+django span.nf").each(function(i, elem) { va ... to implement storage-level maximum filename length constraints. Filenames exceeding this argument will get trunc ... ta_types , data_types_suffix , and data_type_check_constraints attributes have moved from the DatabaseCreation c ... pp with migrations may now result in a foreign key constraint error when migrating the database or running tests ... , this could fail silently and result in a missing constraint. To resolve the error, add migrations to the app w ...; https://man.plustar.jp/django/releases/1.8.html - [similar]

Django 3.1 release notes — Django 4.0.6 ドキュメント 6947: " + tagname + " "); } }); $("div.highlight\\-html\\+django span.nf").each(function(i, elem) { va ... chRank allows rank normalization. The new ExclusionConstraint.deferrable attribute allows creating deferrable ex ... clusion constraints. django.contrib.sessions ¶ The SESSION_COOKIE_SAM ... and OneToOneField emulates the behavior of the SQL constraint ON DELETE RESTRICT . CheckConstraint.check now sup ... ic on Python 3.8+. This allows using them in check constraints and partial indexes. The new UniqueConstraint.def ...; https://man.plustar.jp/django/releases/3.1.html - [similar]

Django 4.0 release notes — Django 4.0.6 ドキュメント 6947: " + tagname + " "); } }); $("div.highlight\\-html\\+django span.nf").each(function(i, elem) { va ... you need a gradual update path. Functional unique constraints ¶ The new *expressions positional argument of Uni ... queConstraint() enables creating functional unique constraints o ... b import models from django.db.models import UniqueConstraint from django.db.models.functions import Lower class ... dels . CharField ( max_length = 255 ) class Meta : constraints = [ UniqueConstraint ( Lower ( 'first_name' ), Lo ...; https://man.plustar.jp/django/releases/4.0.html - [similar]

データベースのトランザクション — Django 4.0.6 ドキュメント 6947: " + tagname + " "); } }); $("div.highlight\\-html\\+django span.nf").each(function(i, elem) { va ... ) causes a database error by breaking an integrity constraint, you can execute queries in add_children() , and t ...; https://man.plustar.jp/django/topics/db/transactions.html - [similar]

Django Deprecation Timeline — Django 4.0.6 ドキュメント 6869: " + tagname + " "); } }); $("div.highlight\\-html\\+django span.nf").each(function(i, elem) { va ... ereNode.make_atom() and django.db.models.sql.where.Constraint will be removed. 1.8 ¶ See the Django 1.6 release ...; https://man.plustar.jp/django/internals/deprecation.html - [similar]

はじめての Django アプリ作成、その2 — Django 4.0.6 ドキュメント 6869: " + tagname + " "); } }); $("div.highlight\\-html\\+django span.nf").each(function(i, elem) { va ... integer NOT NULL ); ALTER TABLE "polls_choice" ADD CONSTRAINT "polls_choice_question_id_c5b4b260_fk_polls_questi ...; https://man.plustar.jp/django/intro/tutorial02.html - [similar]

django-admin と manage.py — Django 4.0.6 ドキュメント 6869: " + tagname + " "); } }); $("div.highlight\\-html\\+django span.nf").each(function(i, elem) { va ... ixture. If the database backend supports row-level constraints, these constraints will be checked at the end of ... ge engine of MySQL doesn't support transactions or constraints, so if you use MyISAM, you won't get validation o ... database connection, which it will use to resolve constraint names; this means you must generate the SQL agains ...; https://man.plustar.jp/django/ref/django-admin.html - [similar]

Django 1.7 release notes — Django 4.0.6 ドキュメント 6869: " + tagname + " "); } }); $("div.highlight\\-html\\+django span.nf").each(function(i, elem) { va ... 's unique , unique_for_date , and unique_together constraints. In order to support unique_together or any other ... NSTALLED_APPS . The app-loading refactor adds some constraints in that situation. As a consequence, two objects ... ereNode.make_atom() and django.db.models.sql.where.Constraint are deprecated in favor of the new custom lookups ...; https://man.plustar.jp/django/releases/1.7.html - [similar]

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