diff -r b758351d191f -r cc9b7e14412b web/lib/django/db/backends/oracle/introspection.py
--- a/web/lib/django/db/backends/oracle/introspection.py	Wed May 19 17:43:59 2010 +0200
+++ b/web/lib/django/db/backends/oracle/introspection.py	Tue May 25 02:43:45 2010 +0200
@@ -29,7 +29,10 @@
     def get_field_type(self, data_type, description):
         # If it's a NUMBER with scale == 0, consider it an IntegerField
         if data_type == cx_Oracle.NUMBER and description[5] == 0:
-            return 'IntegerField'
+            if description[4] > 11:
+                return 'BigIntegerField'
+            else:
+                return 'IntegerField'
         else:
             return super(DatabaseIntrospection, self).get_field_type(
                 data_type, description)