# {collapse} would mean a has_many join was injected, which in turn means
# we need to group *IF WE CAN* (only if the column in question is unique)
- if (!$orig_attrs->{group_by} && keys %{$orig_attrs->{collapse}}) {
+ if (!$orig_attrs->{group_by} && $orig_attrs->{collapse}) {
# scan for a constraint that would contain our column only - that'd be proof
# enough it is unique