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django-admin-sortable-fixwin
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Avoid unnecessary db queries: perform the update iff the order field has changed.

master
Anton Shevchenko 2017-03-08 23:28:40 -05:00
parent f2f5daf831
commit eb5a9e0a8a
1 changed files with 5 additions and 3 deletions
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2
adminsortable/admin.py
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@ -297,6 +297,8 @@ class SortableAdmin(SortableAdminBase, ModelAdmin):
for index in indexes: for index in indexes:
obj = objects_dict.get(index) obj = objects_dict.get(index)
# perform the update iff the order field has changed
if getattr(obj, order_field_name) != start_index:
setattr(obj, order_field_name, start_index) setattr(obj, order_field_name, start_index)
# only update the object's order field # only update the object's order field
obj.save(update_fields=(order_field_name,)) obj.save(update_fields=(order_field_name,))