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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 08:21:17 -0500 |
| commit | 3dc480fcd2c086a124647a611ac7647e75506e14 (patch) | |
| tree | 2a5d522bb5883736f1c01a3a2b1eb958a7c5c8fc | |
| parent | 89d960121d97a3c2fc8bc768f75bc24f43838c6c (diff) | |
[1.10.x] Inlined a note in docs/ref/models/expressions.txt.
Backport of 0d6c7cae7c4bc3ecd12c5a0d929384f3aa3e90d1 from master
| -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 245d8f7abc..350f3a1637 100644 --- a/docs/ref/models/expressions.txt +++ b/docs/ref/models/expressions.txt @@ -123,14 +123,11 @@ 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 |
