planner: Fix the 'Unknown column' error when select from view in another database (#15621)#15866

Merged

zz-jason merged 4 commits intopingcap:release-3.0from sre-bot:release-3.0-d0ca9315655a

Apr 15, 2020

+12-1

Commits on Mar 30, 2020

cherry pick pingcap#15621 to release-3.0

longfangsong
authored and
sre-bot
committed

Commits on Apr 2, 2020

resolve conflicts
XuHuaiyu
committed

Commits on Apr 15, 2020