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Use prefetch to improve query efficiency (#5613)

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- Significantly improves performance of users.models.update_group_roles() function
- Ref: https://github.com/inventree/InvenTree/pull/5612
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Oliver 2023-09-25 13:24:39 +10:00 committed by GitHub
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InvenTree/users/models.py
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@ -376,7 +376,7 @@ def update_group_roles(group, debug=False):
# Iterate through each permission already assigned to this group, # Iterate through each permission already assigned to this group,
# and create a simplified permission key string # and create a simplified permission key string
for p in group.permissions.all(): for p in group.permissions.all().prefetch_related('content_type'):
(permission, app, model) = p.natural_key() (permission, app, model) = p.natural_key()
permission_string = '{app}.{perm}'.format( permission_string = '{app}.{perm}'.format(