planner: cannot simply outer join if a predicate just refers to the outer table (#16444)#16492

Merged

sre-bot merged 4 commits intopingcap:release-3.0from sre-bot:release-3.0-e3b635e6c9a3

Apr 20, 2020

+28

Commits on Apr 16, 2020

cherry pick pingcap#16444 to release-3.0

fzhedu
authored and
sre-bot
committed
Update logical_plan_test.go
fzhedu
authored

Commits on Apr 20, 2020