Add Op::SharedLock and Op::SharedPessimisticLock for acquiring shared lock in pessimistic transacitons. (#1374)#1417
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ti-chi-bot[bot] merged 1 commit intopingcap:release-8.5from Feb 24, 2026
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…ared lock in pessimistic transacitons. (pingcap#1374) * reserve Op for shared lock Signed-off-by: you06 <you1474600@gmail.com> * distinguish between shared prewrite locks and shared pessimistic locks (pingcap#1377) * let LockInfo carry the full txn info when it's shared Signed-off-by: zyguan <zhongyangguan@gmail.com> * move the todo comment to the proper place Signed-off-by: zyguan <zhongyangguan@gmail.com> * distinguish between shared prewrite locks and shared pessimistic locks Signed-off-by: zyguan <zhongyangguan@gmail.com> --------- Signed-off-by: zyguan <zhongyangguan@gmail.com> * update kvproto Signed-off-by: you06 <you1474600@gmail.com> * add embed shared_lock_infos Signed-off-by: you06 <you1474600@gmail.com> --------- Signed-off-by: you06 <you1474600@gmail.com> Signed-off-by: zyguan <zhongyangguan@gmail.com> Co-authored-by: zyguan <zhongyangguan@gmail.com>
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Cherry pick #1374 to release-8.5 branch.
ref #1369, ref #1377, ref #1378, tikv/tikv#19087
#1369 added an enum type
SharedLockforOpin a specific branch, this PR reverse this field in master branch to keep compatibility.#1377 devided the
Opfor shared lock into 2 phases (pessimistic lock phase and prewrite phase).