store/tikv: add sanity check for startTS in 2pc (#9555) #9559
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* store/tikv: add sanity check for startTS in 2pc Signed-off-by: disksing <i@disksing.com>
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LGTM |
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/run-all-tests tidb-test=release-2.1 tidb-private-test=release-2.1 tikv=release-2.1 |
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Signed-off-by: disksing i@disksing.com
What problem does this PR solve?
To avoid committing a transaction with MAX_UINT64 unexpectedly.
Sometimes (PointGet, Analyze) TiDB uses special startTS (MAX_UINT64) to initialize a transaction. This is dangerous because
txn.Commit()may be called unexpectedly.What is changed and how it works?
cherry-pick #9555
Check List
Tests