The decorator should point to the column name (`changed_on`). Currently:
<img width="1698" alt="screen shot 2018-10-03 at 10 03 30 am" src="https://user-images.githubusercontent.com/1534870/46426498-9db46d00-c6f3-11e8-98a2-4c0338bad263.png"> With this fix: <img width="1698" alt="screen shot 2018-10-03 at 10 03 08 am" src="https://user-images.githubusercontent.com/1534870/46426507-a311b780-c6f3-11e8-89f4-9d7a1bb2c6d5.png"> Works both for ascending and descending sorting. [ Full content available at: https://github.com/apache/incubator-superset/pull/6027 ] This message was relayed via gitbox.apache.org for [email protected]
