Fixes for django Q query rendering bug

Ensures that the QNodes haven't already been processed Fixes #185
2011-06-16 15:00:10 +01:00
parent cae3f3eeff
commit 5e8604967c
2 changed files with 6 additions and 2 deletions
--- a/mongoengine/queryset.py
+++ b/mongoengine/queryset.py
@@ -251,7 +251,8 @@ class QCombination(QNode):

    def accept(self, visitor):
        for i in range(len(self.children)):
-            self.children[i] = self.children[i].accept(visitor)
+            if isinstance(self.children[i], QNode):
+                self.children[i] = self.children[i].accept(visitor)

        return visitor.visit_combination(self)