ko_timeline: db3=tl.db3 tbl=mp4 tlid=/kb/jtfdc/jtfdc_2020/jtfdc_20200103_1400_jkhearttest
20260829_142000
select * from mp4 where tlid like '/kb/jtfdc/jtfdc_2020/jtfdc_20200103_1400_jkhearttest' and rowid>0 and status is NULL order by startdate,starttime desc ;