planner: log the reason why the sample-rate is chosen when analyzing table (#45938)#45968

Merged

ti-chi-bot[bot] merged 9 commits intopingcap:release-7.1from ti-chi-bot:cherry-pick-45938-to-release-7.1

Oct 16, 2023

+78-48

Commits on Aug 10, 2023

This is an automated cherry-pick of pingcap#45938

qw4990
authored and
ti-chi-bot
committed

Commits on Oct 12, 2023

Commits on Oct 16, 2023