drainer: fix filter skip checkpoint problem (#1069)#1075

Merged

ti-chi-bot merged 1 commit intopingcap:release-5.2from ti-chi-bot:cherry-pick-1069-to-release-5.2

Oct 12, 2021

+51-25

Commits on Oct 11, 2021

fix filter skip checkpoint problem

lichunzhu
authored and
ti-chi-bot
committed