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- Database migration operations — Django 4.0.6 ドキュメント 14897
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... odules « previous | up | next » Database migration operations ¶ All of these operations are available from the d ... jango.contrib.postgres.operations module. Creating extension using migrations ¶ You ... eration. For example: from django.contrib.postgres.operations import HStoreExtension class Migration ( migration ... s . Migration ): ... operations = [ HStoreExtension (), ... ] The operation skips ...
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https://man.plustar.jp/django/ref/contrib/postgres/operations.html
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- マイグレーション — Django 4.0.6 ドキュメント 11187
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... データベースに適用します $ python manage.py migrate Operations to perform: Apply all migrations: books Running mi ... ransactions (SQLite and PostgreSQL), all migration operations will run inside a single transaction by default. I ... ort DDL transactions (e.g. MySQL, Oracle) then all operations will run without a transaction. You can prevent a ... r. This dependency behavior affects most migration operations where you restrict to a single app. Restricting to ...
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https://man.plustar.jp/django/topics/migrations.html
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- マイグレーション操作 — Django 4.0.6 ドキュメント 10830
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... but be aware that manually adding schema-altering operations can confuse the migration autodetector and make re ... ango が提供するコア機能は全て django.db.migrations.operations モジュールから利用できます。 より入門的な内容に関し ... ¶ class RunSQL ( sql , reverse_sql = None , state_operations = None , hints = None , elidable = False ) ¶ Allow ... ), the RunSQL operation is irreversible. The state_operations argument allows you to supply operations that are ...
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https://man.plustar.jp/django/ref/migration-operations.html
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- How to create database migrations — Django 4.0.6 ドキュメント 10745
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... endencies = [ # Dependencies to other migrations ] operations = [ migrations . RunPython ( forwards ), ] You can ... endencies = [ # Dependencies to other migrations ] operations = [ migrations . RunPython ( forwards , hints = { ... s = [ ( 'myapp' , '0005_populate_uuid_values' ), ] operations = [ migrations . AlterField ( model_name = 'mymode ... ies = [ ( 'myapp' , '0003_auto_20150129_1705' ), ] operations = [ migrations . AddField ( model_name = 'mymodel' ...
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https://man.plustar.jp/django/howto/writing-migrations.html
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- 索引 — Django 4.0.6 ドキュメント 10117
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... in のメソッド) AddConstraint (django.db.migrations.operations のクラス) AddConstraintNotValid (django.contrib.po ... stgres.operations のクラス) AddField (django.db.migrations.operation ... s のクラス) AddIndex (django.db.migrations.operations のクラス) AddIndexConcurrently (django.contrib.pos ... tgres.operations のクラス) addslashes template filter AdminEmailHan ...
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https://man.plustar.jp/django/genindex.html
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- 複数のデータベース — Django 4.0.6 ドキュメント 8347
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... Suggest the database that should be used for read operations for objects of type model . If a database operatio ... on operation, used by foreign key and many to many operations to determine if a relation should be allowed betwe ... on the database with alias db . Return True if the operation should run, False if it shouldn't run, or None if t ... eing migrated. model_name is set by most migration operations to the value of model._meta.model_name (the lowerc ...
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https://man.plustar.jp/django/topics/db/multi-db.html
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- django.contrib.postgres — Django 4.0.6 ドキュメント 7819
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... ups Trigram similarity Unaccent Database migration operations Creating extension using migrations CreateExtensio ... aging collations using migrations Concurrent index operations Adding constraints without enforcing validation Fu ...
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https://man.plustar.jp/django/ref/contrib/postgres/index.html
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- Installing PostGIS — Django 4.0.6 ドキュメント 7734
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... tion in your project: from django.contrib.postgres.operations import CreateExtension from django.db import migra ... tions class Migration ( migrations . Migration ): operations = [ CreateExtension ( 'postgis' ), ... ] If you pl ...
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https://man.plustar.jp/django/ref/contrib/gis/install/postgis.html
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- Django's cache framework — Django 4.0.6 ドキュメント 7734
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... or as a list. While using multiple servers, write operations are performed on the first server (leader). Read o ... , the following router would direct all cache read operations to cache_replica , and all write operations to cac ... Router : """A router to control all database cache operations""" def db_for_read ( self , model , ** hints ): "A ... ll cache read operations go to the replica" if model . _meta . app_label == ...
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https://man.plustar.jp/django/topics/cache.html
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- 検索 — Django 4.0.6 ドキュメント 7734
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... リ ¶ Text-based fields have a selection of matching operations. For example, you may wish to allow lookup up an a ... source data. 文書ベースの検索 ¶ Standard database operations stop being a useful approach when you start consid ... t. Whereas the examples above can be thought of as operations on a string of characters, full text search looks ...
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https://man.plustar.jp/django/topics/db/search.html
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