plan: use `Column.UniqueID` in `conditionChecker` of ranger#8236

Merged

XuHuaiyu merged 4 commits intopingcap:masterfrom eurekaka:ifnull_tbl_scan

Nov 12, 2018

+48-26

Commits on Nov 9, 2018

Commits on Nov 12, 2018

Merge branch 'master' into ifnull_tbl_scan
winoros
authored