diff options
Diffstat (limited to 'docs/ref/models')
| -rw-r--r-- | docs/ref/models/expressions.txt | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/docs/ref/models/expressions.txt b/docs/ref/models/expressions.txt index daf8440512..91786b3622 100644 --- a/docs/ref/models/expressions.txt +++ b/docs/ref/models/expressions.txt @@ -119,14 +119,11 @@ know about it - it is dealt with entirely by the database. All Python does, through Django's ``F()`` class, is create the SQL syntax to refer to the field and describe the operation. -.. note:: - - In order to access the new value that has been saved in this way, the object - will need to be reloaded:: +To access the new value saved this way, the object must be reloaded:: - reporter = Reporters.objects.get(pk=reporter.pk) - # Or, more succinctly: - reporter.refresh_from_db() + reporter = Reporters.objects.get(pk=reporter.pk) + # Or, more succinctly: + reporter.refresh_from_db() As well as being used in operations on single instances as above, ``F()`` can be used on ``QuerySets`` of object instances, with ``update()``. This reduces |