On Wikimedia production, I have found a few occurrences of:
Flow\Data\Storage\BasicDbStorage::find (flow_topic_list)
Unknown column 'workflow_lat_update_timestamp' in 'order clause'
SELECT * FROM flow_topic_list
WHERE topic_list_id = xxxxx
ORDER BY workflow_last_update_timestamp desc LIMIT 11
On mediawikiwiki database for https://www.mediawiki.org/wiki/Talk:Parsoid