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ddl, lightning: support detecting duplicate keys in different batch (#40701) #40722
ddl, lightning: support detecting duplicate keys in different batch (#40701) #40722
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Signed-off-by: ti-chi-bot <ti-community-prow-bot@tidb.io>
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LGTM
/merge |
This pull request has been accepted and is ready to merge. Commit hash: 143a023
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This is an automated cherry-pick of #40701
What problem does this PR solve?
Issue Number: close #40698
Problem Summary: Previously, we only check if the key is duplicated in the same batch.
What is changed and how it works?
This PR supports returning a duplicate key error when importing with the lightning.
Check List
Tests
Side effects
Documentation
Release note
Please refer to Release Notes Language Style Guide to write a quality release note.