WHERE p.cid=b.rid
        AND p.cid=a.rid
        AND e.objid=p.pid
-- Only trace back this far in time (Julian Days)...
-- Replace set config.cutoffTime to 0 to go back any amount of time
-- (and be prepared to add a LIMIT unless you want a long,
-- long list).
        AND CASE WHEN origin.cutoffTime>0 THEN e.mtime >= (origin.mtime - 1.5) ELSE 1 END
        AND CASE WHEN origin.cutoffTime>0 THEN e.mtime >= (origin.mtime - origin.cutoffTime) ELSE 1 END
 )
SELECT a.rid,
       substr(a.uuid,0,8) uuid,
       datetime(a.tm,'localtime') time,
       user,
       substr(comment,0,20)||'...' comment
from ancestors a