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Code Issues 32 Releases Wiki Activity

Refs #31300 -- Added example to GeneratedField release notes.

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Paolo Melchiorre 2023-09-20 09:00:30 +02:00 committed by GitHub
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@ -134,7 +134,15 @@ Database generated model field
The new :class:`~django.db.models.GeneratedField` allows creation of database The new :class:`~django.db.models.GeneratedField` allows creation of database
generated columns. This field can be used on all supported database backends 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 More options for declaring field choices
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