Closed shiyuhang0 closed 1 year ago
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In response to a cherrypick label: new pull request created to branch release-3.1
: #2665.
In response to a cherrypick label: new pull request created to branch release-3.2
: #2666.
What problem does this PR solve?
close #2649
What is changed and how it works?
The behavior of other version/client
TiSpark lacks the necessary information to judge if it can pass unique. So we just delete it. Lack unique in indexscan only slows the performance but does not influence the correct. See the pr's comment for more details https://github.com/pingcap/tidb/issues/29650