4 commits

Author	SHA1	Message	Date
shenglian zhou	b2d066521b	feat: add group id to multiway-sort-merge operator	2022-06-08 14:58:50 +08:00
Shengliang Guan	e35ebdadac	refactor: rename LEADER to leader	2022-06-02 14:35:59 +08:00
dapan1121	4d595938df	handle null value	2022-04-26 16:40:30 +08:00
dapan1121	65a7d0f1c2	scalar constant	2022-04-26 15:51:46 +08:00