diff options
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/releases/5.0.txt | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/docs/releases/5.0.txt b/docs/releases/5.0.txt index 0be2872346..b60f7a6c76 100644 --- a/docs/releases/5.0.txt +++ b/docs/releases/5.0.txt @@ -134,7 +134,15 @@ Database generated model field The new :class:`~django.db.models.GeneratedField` allows creation of database generated columns. This field can be used on all supported database backends -to create a field that is always computed from other fields. +to create a field that is always computed from other fields. For example:: + + from django.db import models + from django.db.models import F + + + class Square(models.Model): + side = models.IntegerField() + area = models.GeneratedField(expression=F("side") * F("side"), db_persist=True) More options for declaring field choices ---------------------------------------- |