expression: fix charset and collation for `current_role` (#16019)#16083

Merged

sre-bot merged 1 commit intopingcap:release-3.0from sre-bot:release-3.0-57db6cec7ffa

Apr 5, 2020

+2

Commits on Apr 4, 2020

expression: fix charset and collation for current_role (pingcap#16019 )

Lingyu Song
authored and
sre-bot
committed