Add example query
@@ -1909,7 +1909,8 @@ class DatastoreDistributed():
start_value = ''.join([value, self._SEPARATOR])
end_value = ''.join([start_value, self._TERM_STRING])
- # Single prop indexes can handle key inequality within a given value.
+ # Single prop indexes can handle key inequality within a given value
+ # (eg. color='blue', __key__<Key('Bike', 5)).
key_comparison = (query.filter_size() == 2 and
query.filter(1).property(0).name() == '__key__')
if key_comparison:
