expression: handle builtin add_date/sub_date func overflow (#11472)#11477

Merged

sre-bot merged 3 commits intopingcap:release-2.1from sre-bot:release-2.1-5c35082f6af6

Jul 27, 2019

+43

Commits on Jul 27, 2019

fix date_add/date_sub function issue

AndrewDi
authored and
root
committed
add integration test

AndrewDi
authored and
root
committed
Merge branch 'release-2.1' into release-2.1-5c35082f6af6
sre-bot
authored