executor: fix load data panic if the data is broken at escape character (#30868)#31774

Merged

ti-chi-bot merged 3 commits intopingcap:release-5.4from ti-srebot:release-5.4-65365628b7e2

Mar 8, 2022

+30-129

Commits on Jan 18, 2022

cherry pick pingcap#30868 to release-5.4

xiongjiwei
authored and
ti-srebot
committed

Commits on Mar 8, 2022