... ます: >>> obj = MyModel . objects . first () >>> del obj . field >>> obj . field # Loads the field from the database Model. refresh_from_db ( using = None , fields = None , from_queryset = None ) [ソース] ¶ Model. arefresh_from_db ( using = None , fields ... = None , from_queryset = None ) ¶ 非同期バージョン : arefresh_from_db() データベースからモデルの値を再読み込みする必要がある場合は、 refresh_from_db() メソッドを利用できます。引数なしで ... t the value in the database # was updated to 2. The object's updated value needs to be reloaded # from the database. obj . refresh_from_db () self . assertEqual ( obj . val , 2 ) When a deferred field is loaded on-demand for a single model instance, the ... ... ます: >>> obj = MyModel . objects . first () >>> del obj . field >>> obj . field # Loads the field from the database Model. refresh_from_db ( using = None , fields = None , from_queryset = None ) [ソース] ¶ Model. arefresh_from_db ( using = None , fields ... = None , from_queryset = None ) ¶ 非同期バージョン : arefresh_from_db() データベースからモデルの値を再読み込みする必要がある場合は、 refresh_from_db() メソッドを利用できます。引数なしで ... t the value in the database # was updated to 2. The object's updated value needs to be reloaded # from the database. obj . refresh_from_db () self . assertEqual ( obj . val , 2 ) When a deferred field is loaded on-demand for a single model instance, the ... ... om the Task function. If the Task did not finish successfully, ValueError is raised. See return values for usage examples. refresh () [ソース] ¶ Refresh the result's attributes from the queue store. arefresh () ¶ The async variant of TaskResult.refresh( ... ... om the Task function. If the Task did not finish successfully, ValueError is raised. See return values for usage examples. refresh () [ソース] ¶ Refresh the result's attributes from the queue store. arefresh () ¶ The async variant of TaskResult.refresh( ... ... Task's execution at the point it was retrieved. If the Task finishes after get_result() is called, it will not update. To refresh the values, call the django.tasks.TaskResult.refresh() method: >>> result . status RUNNING >>> result . refresh () # or aw ... ait result.arefresh() >>> result . status SUCCESSFUL Return values ¶ If your Task function returns something, it can be retrieved from the dja ... ... Task's execution at the point it was retrieved. If the Task finishes after get_result() is called, it will not update. To refresh the values, call the django.tasks.TaskResult.refresh() method: >>> result . status RUNNING >>> result . refresh () # or aw ... ait result.arefresh() >>> result . status SUCCESSFUL Return values ¶ If your Task function returns something, it can be retrieved from the dja ... ... not be determined ( #35942 ). Fixed a regression in Django 5.1 where relational fields were not updated when calling Model.refresh_from_db() on instances with deferred fields ( #35950 ). 目次 Django 5.1.4 リリースノート CVE-2024-53907: strip_tags() にお ... ... lization of DateRangeField and DateTimeRangeField ( #24937 ). Fixed the exact lookup of ArrayField ( #25666 ). Fixed Model.refresh_from_db() updating of ForeignKey fields with on_delete=models.SET_NULL ( #25715 ). Fixed a duplicate query regression in 1 ... ... ache, no-store, must-revalidate to Cache-Control ) to better prevent caching ( #13008 ). This fixes a problem where a page refresh in Firefox cleared the selected entries in the admin's filter_horizontal and filter_vertical widgets, which could result i ... ... not be determined ( #35942 ). Fixed a regression in Django 5.1 where relational fields were not updated when calling Model.refresh_from_db() on instances with deferred fields ( #35950 ). 目次 Django 5.1.4 リリースノート CVE-2024-53907: strip_tags() にお ... 2026年10月08日