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クエリ式 (Query Expression) — Django 6.1 ドキュメント 9357: Django 6.1 ドキュメント Home | Table of contents | Index | Modules « previous | up | next » クエリ式 (Query Expression) ¶ クエリ式 (query expression) は、update、create、filter、order by、annotation、またはaggregateの一部として使用できる値ま ... import Length , Upper >>> from django.db.models.lookups import GreaterThan # Find companies that have more employees than chairs. >>> Company . objects . filter ( num_employees__gt = F ( "num_chairs" )) # Find companies that have at least twice as man ... y employees # as chairs. Both the querysets below are equivalent. >>> Company . objects . filter ( num_employees__gt = F ( "num_chairs" ) * 2 ) >> ... > Company . objects . filter ( num_employees__gt = F ( "num_chairs" ) + F ( "num_chairs" )) # How many chairs are needed for each company to seat all employees? >>> company = ( ... Company ...; https://man.mtool.work/django/6.1/ref/models/expressions.html

クエリ式 (Query Expression) — Django 6.1 ドキュメント 9357: Django 6.1 ドキュメント Home | Table of contents | Index | Modules « previous | up | next » クエリ式 (Query Expression) ¶ クエリ式 (query expression) は、update、create、filter、order by、annotation、またはaggregateの一部として使用できる値ま ... import Length , Upper >>> from django.db.models.lookups import GreaterThan # Find companies that have more employees than chairs. >>> Company . objects . filter ( num_employees__gt = F ( "num_chairs" )) # Find companies that have at least twice as man ... y employees # as chairs. Both the querysets below are equivalent. >>> Company . objects . filter ( num_employees__gt = F ( "num_chairs" ) * 2 ) >> ... > Company . objects . filter ( num_employees__gt = F ( "num_chairs" ) + F ( "num_chairs" )) # How many chairs are needed for each company to seat all employees? >>> company = ( ... Company ...; https://man.mtool.work/django/6.1/ref/models/expressions.html

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