X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FDBIx%2FClass%2FResultSetColumn.pm;h=c4efd0f6d5c185cbe0eaf048b519b9ff53f06b15;hb=c97338007ede15e7c62095a642b3de382a3508bd;hp=8a92b2fc0bae2f66a92102284fdd45d4f4c1a8b2;hpb=fe0708a2d68b5d34b6bc6f7e70164c3e569f1dd0;p=dbsrgits%2FDBIx-Class.git

diff --git a/lib/DBIx/Class/ResultSetColumn.pm b/lib/DBIx/Class/ResultSetColumn.pm
index 8a92b2f..c4efd0f 100644
--- a/lib/DBIx/Class/ResultSetColumn.pm
+++ b/lib/DBIx/Class/ResultSetColumn.pm
@@ -94,7 +94,7 @@ sub new {
 
   # {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} && $orig_attrs->{collapse}) {
+  if (!$orig_attrs->{group_by} && keys %{$orig_attrs->{collapse}}) {
 
     if ($colmap->{$select} and $rsrc->_identifying_column_set([$colmap->{$select}])) {
       $new_attrs->{group_by} = [ $select ];