hint: avoid duplicate hints in QBHintHandler (#53921)#53936

Merged

ti-chi-bot[bot] merged 4 commits intopingcap:release-7.5from ti-chi-bot:cherry-pick-53921-to-release-7.5

Jul 2, 2024

+22-19

Commits on Jun 11, 2024

This is an automated cherry-pick of pingcap#53921

hawkingrei
authored and
ti-chi-bot
committed

Commits on Jul 2, 2024