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データベース — Django 4.0.6 ドキュメント 15075
" + tagname + " "); } }); $("div.highlight\\-html\\+django span.nf").each(function(i, elem) { va ... ed for advanced uses. Indexes for varchar and text columns ¶ When specifying db_index=True on your model fiel ... > CHARACTER SET utf8 ; This ensures all tables and columns will use UTF-8 by default. Collation settings ¶ Th ... g. DATETIME(6) ). Django will not upgrade existing columns to include fractional seconds if the database serv ... a RunSQL operation in a data migration . TIMESTAMP columns ¶ If you are using a legacy database that contains ...
https://man.plustar.jp/django/ref/databases.html - [similar]
Django 1.11.12 リリースノート — Django 4.0.6 ドキュメント 10766
" + tagname + " "); } }); $("div.highlight\\-html\\+django span.nf").each(function(i, elem) { va ... e() , or intersection() crashed due to mismatching columns ( #29229 ). Fixed a regression in Django 1.11 wher ... , Bugfixes , Fixed , ドキュメント , mismatching , columns クイック検索 Last update: 2022年6月01日 « previous ...
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Constraints reference — Django 4.0.6 ドキュメント 10134
" + tagname + " "); } }); $("div.highlight\\-html\\+django span.nf").each(function(i, elem) { va ... st of field names that specifies the unique set of columns you want the constraint to enforce. For example, U ... e included in the covering unique index as non-key columns. This allows index-only scans to be used for queri ... . include is supported only on PostgreSQL. Non-key columns have the same database restrictions as Index.inclu ...
https://man.plustar.jp/django/ref/models/constraints.html - [similar]
クエリー式 — Django 4.0.6 ドキュメント 10134
" + tagname + " "); } }); $("div.highlight\\-html\\+django span.nf").each(function(i, elem) { va ... same task more clearly or efficiently. Referencing columns from the outer queryset ¶ class OuterRef ( field ) ... orce Exists to refer to a single column, since the columns are discarded and a boolean result is returned. Si ... that the subquery will not be added to the SELECT columns, which may result in a better performance. Using a ... med windows, instead they are part of the selected columns. class Window ( expression , partition_by = None , ...
https://man.plustar.jp/django/ref/models/expressions.html - [similar]
PostgreSQL specific model indexes — Django 4.0.6 ドキュメント 8903
" + tagname + " "); } }); $("div.highlight\\-html\\+django span.nf").each(function(i, elem) { va ... class BloomIndex ( * expressions , length = None , columns = () , ** options ) ¶ Creates a bloom index. To us ... each index entry. PostgreSQL's default is 80. The columns argument takes a tuple or list of up to 32 values ...
https://man.plustar.jp/django/ref/contrib/postgres/indexes.html - [similar]
QuerySet API リファレンス — Django 4.0.6 ドキュメント 8903
" + tagname + " "); } }); $("div.highlight\\-html\\+django span.nf").each(function(i, elem) { va ... an order_by() call are included in the SQL SELECT columns. This can sometimes lead to unexpected results whe ... model, those fields will be added to the selected columns and they may make otherwise duplicate rows appear ... to be distinct. Since the extra columns don't appear in the returned results (they are onl ... larly, if you use a values() query to restrict the columns selected, the columns used in any order_by() (or d ...
https://man.plustar.jp/django/ref/models/querysets.html - [similar]
Model index reference — Django 4.0.6 ドキュメント 8492
" + tagname + " "); } }); $("div.highlight\\-html\\+django span.nf").each(function(i, elem) { va ... ds to be included in the covering index as non-key columns. This allows index-only scans to be used for queri ... le column index but with the drawback that non-key columns can not be used for sorting or filtering. include ...
https://man.plustar.jp/django/ref/models/indexes.html - [similar]
Django 1.11.13 リリースノート — Django 4.0.6 ドキュメント 8287
" + tagname + " "); } }); $("div.highlight\\-html\\+django span.nf").each(function(i, elem) { va ... e() , or intersection() crashed due to mismatching columns ( #29286 ). 目次 Django 1.11.13 リリースノート Bug ...
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Django 3.0.2 リリースノート — Django 4.0.6 ドキュメント 8287
" + tagname + " "); } }); $("div.highlight\\-html\\+django span.nf").each(function(i, elem) { va ... xed a regression in Django 3.0 that didn't include columns referenced by a Subquery() in the GROUP BY clause ...
https://man.plustar.jp/django/releases/3.0.2.html - [similar]
Django 2.0.4 リリースノート — Django 4.0.6 ドキュメント 8082
" + tagname + " "); } }); $("div.highlight\\-html\\+django span.nf").each(function(i, elem) { va ... e() , or intersection() crashed due to mismatching columns ( #29229 ). Fixed a regression in Django 1.11 wher ...
https://man.plustar.jp/django/releases/2.0.4.html - [similar]
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