stmtsummary: fix issue of concurrent map read and write (#35367)#35385

Merged

ti-chi-bot merged 3 commits intopingcap:release-5.4from ti-srebot:release-5.4-f8a00f33e8e6

Jun 24, 2022

+48-17

Commits on Jun 14, 2022

cherry pick pingcap#35367 to release-5.4

crazycs520
authored and
ti-srebot
committed

Commits on Jun 23, 2022