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| author | Tim Graham <timograham@gmail.com> | 2016-11-09 08:20:30 -0500 |
|---|---|---|
| committer | Tim Graham <timograham@gmail.com> | 2016-11-09 08:20:59 -0500 |
| commit | 0d6c7cae7c4bc3ecd12c5a0d929384f3aa3e90d1 (patch) | |
| tree | fcd0534db9d982d316aece608b99a829ac0f351d /docs | |
| parent | f8fab6f90233c7114d642dfe01a4e6d4cb14ee7d (diff) | |
Inlined a note in docs/ref/models/expressions.txt.
Diffstat (limited to 'docs')
| -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 |
