Ticket #5223: sqlite_year_lookup_fix.diff

models/fields/__init__.py

@@ -507 +507 @@
             value = value.strftime('%Y-%m-%d')
         else:
             value = smart_unicode(value)
+        if lookup_type == 'year' and settings.DATABASE_ENGINE == 'sqlite3':
+            try:
+                value = int(value)
+            except ValueError:
+                raise ValueError("The __year lookup type requires an integer argument")
+            return ['%s-01-01' % value, '%s-12-31' % value]
         return Field.get_db_prep_lookup(self, lookup_type, value)
 
     def pre_save(self, model_instance, add):