tests: add test case to cover varchar default value (#2799)#2895

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ti-chi-bot merged 4 commits intopingcap:release-5.2from ti-chi-bot:cherry-pick-2799-to-release-5.2

Sep 27, 2021

+74-4

Commits on Sep 25, 2021

tests: add test case to cover varchar default value

amyangfei
authored and
ti-chi-bot
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amyangfei
authored and
ti-chi-bot
committed

Commits on Sep 27, 2021