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Fixes #5217: Prevent erroneous removal of prefetched GenericForeignKey data from tables

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This commit is contained in:
Jeremy Stretch
2020-10-07 13:09:08 -04:00
parent 693b32077a
commit 9738257aa2
2 changed files with 3 additions and 1 deletions
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1
docs/release-notes/version-2.9.md
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@ -12,6 +12,7 @@
* [#5199](https://github.com/netbox-community/netbox/issues/5199) - Change default LDAP logging to INFO
* [#5201](https://github.com/netbox-community/netbox/issues/5201) - Fix missing querystring when bulk editing/deleting VLAN Group VLANs when selecting "select all x items matching query"
* [#5206](https://github.com/netbox-community/netbox/issues/5206) - Apply user pagination preferences to all paginated object lists
* [#5217](https://github.com/netbox-community/netbox/issues/5217) - Prevent erroneous removal of prefetched GenericForeignKey data from tables
---

3
netbox/utilities/tables.py
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@ -1,4 +1,5 @@
import django_tables2 as tables
from django.contrib.contenttypes.fields import GenericForeignKey
from django.core.exceptions import FieldDoesNotExist
from django.db.models.fields.related import RelatedField
from django.utils.safestring import mark_safe
@ -63,7 +64,7 @@ class BaseTable(tables.Table):
field_path = column.accessor.split('.')
try:
model_field = model._meta.get_field(field_path[0])
if isinstance(model_field, RelatedField):
if isinstance(model_field, (RelatedField, GenericForeignKey)):
prefetch_fields.append('__'.join(field_path))
except FieldDoesNotExist:
pass