txn: write protected rollback when cleanup with missing lock (#7365) #7388
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Signed-off-by: Yilin Chen <sticnarf@gmail.com>
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andylokandy
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Apr 8, 2020
youjiali1995
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cherry-pick #7365 to release-3.0
Signed-off-by: Dian Luo andylokandy@hotmail.com
What problem does this PR solve?
Closes #7364
MvccTxn::check_txn_status_missing_lock()now writes protected on rollback.Check List
Tests
Release note
Fix the bug that a repeated "resolve lock" request may break the atomicity of transactions.