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*: add metadata lock when using the plan cache (#51897) #52957
*: add metadata lock when using the plan cache (#51897) #52957
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Signed-off-by: ti-chi-bot <ti-community-prow-bot@tidb.io>
…erry-pick-51897-to-release-7.5
/retest |
[APPROVALNOTIFIER] This PR is APPROVED This pull-request has been approved by: qw4990, tangenta The full list of commands accepted by this bot can be found here. The pull request process is described here
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Codecov ReportAttention: Patch coverage is
Additional details and impacted files@@ Coverage Diff @@
## release-7.5 #52957 +/- ##
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Coverage ? 72.0256%
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Files ? 1411
Lines ? 410740
Branches ? 0
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Hits ? 295838
Misses ? 95013
Partials ? 19889
Flags with carried forward coverage won't be shown. Click here to find out more.
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This is an automated cherry-pick of #51897
What problem does this PR solve?
Issue Number: close #51407
Problem Summary:
When executing the prepared statement from the plan cache, tidb doesn't add the metadata lock, which may cause data-index inconsistency.
What changed and how does it work?
PREPARE
.Check List
Tests
Side effects
Documentation
Release note
Please refer to Release Notes Language Style Guide to write a quality release note.