Adding comment to PeriodQueryValidator class

alphagov · Jan 29, 2014 · 6a1ccd7 · 6a1ccd7
1 parent 0b12c94
commit 6a1ccd7
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/backdrop/read/validation.py b/backdrop/read/validation.py
@@ -83,7 +83,8 @@ def validate(self, request_args, context):
             # When executing a grouped periodic query, the limit is
             # applied to the list of groups rather than the time series
             # inside them
-            self.add_error("A grouped period query cannot be limited")
+            self.add_error("A period query can only be limited if it is "
+                           "grouped - please add 'group_by'")
 
 
 class PositiveIntegerValidator(Validator):