From c9dc4419152fe4e25bee5e8fcfc063f9560d8615 Mon Sep 17 00:00:00 2001
From: veera <veera@veera-VirtualBox.(none)>
Date: Mon, 5 Aug 2013 15:33:54 +0530
Subject: [PATCH] Overridden the prepare_query_value method in SequenceField
 inorder to return the value as the required type.

---
 mongoengine/fields.py | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/mongoengine/fields.py b/mongoengine/fields.py
index 826e1258..f8830d08 100644
--- a/mongoengine/fields.py
+++ b/mongoengine/fields.py
@@ -1517,6 +1517,14 @@ class SequenceField(BaseField):
 
         return super(SequenceField, self).__set__(instance, value)
 
+    def prepare_query_value(self, op, value):
+        """
+        This method is overriden in order to convert the query value into to required
+        type. We need to do this in order to be able to successfully compare query   
+        values passed as string, the base implementation returns the value as is.
+        """
+        return self.value_decorator(value)
+
     def to_python(self, value):
         if value is None:
             value = self.generate()