Ticket #11329: sql-get-count-with-select-extra.patch

django/db/models/sql/query.py

@@ -360 +360 @@
         Performs a COUNT() query using the current filter constraints.
         """
         obj = self.clone()
-        if len(self.select) > 1 or self.aggregate_select:
+        if len(self.select) > 1 or self.aggregate_select or self.extra_select:
             # If a select clause exists, then the query has already started to
             # specify the columns that are to be returned.
             # In this case, we need to use a subquery to evaluate the count.