planner: fix wrong agg function when agg push down union (#17022)#17328

Merged

sre-bot merged 3 commits intopingcap:release-4.0from sre-bot:release-4.0-b248783dfe5b

May 21, 2020

+68-27

Commits on May 20, 2020

planner: fix wrong agg function when agg push down union (pingcap#17022 )

lzmhhh123
authored and
sre-bot
committed

Commits on May 21, 2020