Fix the missing unlock in extractKeyExistsErr #603
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Signed-off-by: Yilin Chen <sticnarf@gmail.com>
ekexium
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Oct 12, 2022
cfzjywxk
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Signed-off-by: Yilin Chen <sticnarf@gmail.com> Signed-off-by: Yilin Chen <sticnarf@gmail.com> Signed-off-by: guo-shaoge <shaoge1994@163.com>
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In #585, I forgot to unlock in all branches in
extractKeyExistsErr. So, if it goes into!c.txn.us.HasPresumeKeyNotExists(err.GetKey())branch, the lock is never released.Actually, it's unlikely to reach that branch because
Op_Insertis only generated when there is a PresumeKeyNotExists flag. The only exception I find is amending transaction. It directly generatesOp_Insertentries.