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- Database Functions — Django 4.0.6 ドキュメント 10799
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... rbose equivalent, e.g. use ExtractYear(...) rather than Extract(..., lookup_name='year') . Usage example: ... verbose equivalent, e.g. use TruncYear(...) rather than Trunc(..., kind='year') . The subclasses are all d ... efined as transforms, but they aren't registered with any fields, because the lookup names are already res ... added. TruncDate casts expression to a date rather than using the built-in SQL truncate function. It's als ...
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https://man.plustar.jp/django/ref/models/database-functions.html
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- django.contrib.postgres.validators — Django 4.0.6 ドキュメント 10191
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... ins %(show_value)d item, it should contain no more than " " %(limit_value)d ." , "List contains %(show_val ... ue)d items, it should contain no more than " " %(limit_value)d ." , "limit_value" , ) class A ... ns %(show_value)d item, it should contain no fewer than " " %(limit_value)d ." , "List contains %(show_val ... ue)d items, it should contain no fewer than " " %(limit_value)d ." , "limit_value" , ) [ドキュ ...
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https://man.plustar.jp/django/_modules/django/contrib/postgres/validators.html
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- システムチェックフレームワーク — Django 4.0.6 ドキュメント 8844
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... commands from executing. Messages with level lower than ERROR (i.e. warnings) are reported to the console, ... but can be silenced. msg A short (less than 80 characters) string describing the problem. The ... checks are not run by default because they do more than static code analysis as regular checks do. They ar ... ィールド ¶ fields.E001 : Field names must not end with an underscore. fields.E002 : Field names must not co ...
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https://man.plustar.jp/django/ref/checks.html
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- QuerySet API リファレンス — Django 4.0.6 ドキュメント 8605
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... s the results at the moment it was pickled, rather than the results that are currently in the database. If ... e a queryset in a Django version that is different than the one in which it was pickled. QuerySet API ¶ こ ... . For example, if you want to find blogs with more than 5 entries, but are not interested in the exact num ... ies__gt = 5 ) alias() can be used in conjunction with annotate() , exclude() , filter() , order_by() , and ...
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https://man.plustar.jp/django/ref/models/querysets.html
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- パフォーマンスと最適化 — Django 4.0.6 ドキュメント 8355
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... s to run out of memory, you'll have done more harm than good. There are other trade-offs to bear in mind. ... our own time is a valuable resource, more precious than CPU time. Some improvements might be too difficult ... t always be faster to do this work at lower rather than higher levels. At higher levels the system has to ... at is, the database can typically do things faster than Python can, which can do them faster than the temp ...
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https://man.plustar.jp/django/topics/performance.html
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- クエリー式 — Django 4.0.6 ドキュメント 8235
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... Upper from django.db.models.lookups import GreaterThan # Find companies that have more employees than cha ... () >>> company . ticker 'GOOG' # Annotate models with an aggregated value. Both forms # below are equivale ... tly in filters Company . objects . filter ( GreaterThan ( F ( 'num_employees' ), F ( 'num_chairs' ))) # or ... ompany . objects . annotate ( need_chairs = GreaterThan ( F ( 'num_employees' ), F ( 'num_chairs' )), ) ビ ...
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https://man.plustar.jp/django/ref/models/expressions.html
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- Django 1.10.6 release notes — Django 4.0.6 ドキュメント 8235
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... g and TooManyFieldsSent exceptions crashing rather than generating a bad request response ( #27820 ). Fixe ... tion accuracy on PostgreSQL for differences larger than a month ( #27856 ). Fixed a GDALException raised b ... otes , Fixed , up , PostgreSQL , Bugfixes , next , than , previous , トピック クイック検索 Last update: 20 ...
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https://man.plustar.jp/django/releases/1.10.6.html
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- Django 1.8 リリースノート — Django 4.0.6 ドキュメント 8235
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... s has enabled annotate to accept expressions other than aggregates. Aggregates are now able to reference m ... hen DATETIME includes fractional precision greater than 0). New datetime database columns created with Dja ... new makemigrations --exit option allows exiting with an error code if no migrations are created. The new ... these objects are unpickled in a different version than the one in which they were pickled. Added Model.fr ...
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https://man.plustar.jp/django/releases/1.8.html
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- django.core.validators — Django 4.0.6 ドキュメント 7866
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... idator ): message = _ ( "Ensure this value is less than or equal to %(limit_value)s ." ) code = "max_value ... tor ): message = _ ( "Ensure this value is greater than or equal to %(limit_value)s ." ) code = "min_value ... " : ngettext_lazy ( "Ensure that there are no more than %(max)s digit in total." , "Ensure that there are ... no more than %(max)s digits in total." , "max" , ), "max_decima ...
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https://man.plustar.jp/django/_modules/django/core/validators.html
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- Advice for new contributors — Django 4.0.6 ドキュメント 7866
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... ble and relevant, try them out on a database other than SQLite. Leave comments and feedback! Keep old patc ... you or your employer. If your contribution is more than one or two lines of code, you need to sign the CLA ... 始める It's easier to get feedback on a little issue than on a big one. See the easy pickings . If you're go ... go community ultimately have a much greater impact than that of any one person. We can't do it without you ...
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https://man.plustar.jp/django/internals/contributing/new-contributors.html
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