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executor: lock duplicated keys on insert-ignore & replace-nothing (#42210) #42285
executor: lock duplicated keys on insert-ignore & replace-nothing (#42210) #42285
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Signed-off-by: ti-chi-bot <[email protected]>
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Signed-off-by: zyguan <[email protected]>
Signed-off-by: zyguan <[email protected]>
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This pull request has been accepted and is ready to merge. Commit hash: 87b6f6c
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/retest |
/retest |
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…hing (pingcap#42210) (pingcap#42285)" This reverts commit f01eaf1.
…hing (pingcap#42210) (pingcap#42285)" This reverts commit f01eaf1.
This is an automated cherry-pick of #42210
What problem does this PR solve?
Issue Number: close #42121
Problem Summary: When doing insert-ingore or replace without changes, tidb doesn't lock conflict keys properly.
What is changed and how it works?
Lock keys even when insert-ingnore meets duplicated rows or replace without changes.
Check List
Tests
Side effects
The change may introduce more lock records, which may further lead performance regression like #25659 .
Documentation
Release note
Please refer to Release Notes Language Style Guide to write a quality release note.