planner, executor: support SQL show pump/drainer status#9896

Merged

zimulala merged 2 commits intopingcap:release-2.1from WangXiangUSTC:xiang/cherry-pick-show-pump-drainer

Mar 26, 2019

+56-3

Commits on Mar 26, 2019

cherry pick planner, executor: support SQL show pump/drainer status (pingcap#9456 ) and solve conflict

caohe
authored and
WangXiangUSTC
committed
merge release2.1
WangXiangUSTC
committed