lib/active_median/model.rb in active_median-0.2.6 vs lib/active_median/model.rb in active_median-0.2.7

@@ -64,9 +64,12 @@
           select(*group_values, "PERCENTILE_CONT(#{percentile}) WITHIN GROUP (ORDER BY #{column})")
         else
           raise "Connection adapter not supported: #{connection.adapter_name}"
         end
 
+      # same as average
+      relation = relation.unscope(:order).distinct!(false) if relation.group_values.empty?
+
       result = connection.select_all(relation.to_sql)
 
       # typecast
       rows = []
       columns = result.columns