changefeed(ticdc): check changefeed info is nil to prevent panic (#9917)#9923

Merged

ti-chi-bot[bot] merged 2 commits intopingcap:release-7.1from ti-chi-bot:cherry-pick-9917-to-release-7.1

Oct 18, 2023

+14-5

Commits on Oct 18, 2023

check changefeed info is nil or not.

3AceShowHand
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ti-chi-bot
committed
add one unit test.
3AceShowHand
committed