txn: Keep pessimistic lock's TTL if it's greater than prewrite reques… #6056
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…t's ttl (tikv#5737) Signed-off-by: MyonKeminta <MyonKeminta@users.noreply.github.com>
Signed-off-by: MyonKeminta <MyonKeminta@users.noreply.github.com>
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…t's ttl (#5737)
Signed-off-by: MyonKeminta MyonKeminta@users.noreply.github.com
What have you changed?
cherry-pick #5737 to release-3.0
If a pessimistic prewrite request arrives and it carries a smaller TTL than that already wrote in the pessimistic lock, keep the pessimistic lock's TTL rather than use the TTL in the reqeust.
for more detail, please check #5737.
What is the type of the changes?
How is the PR tested?
Does this PR affect documentation (docs) or should it be mentioned in the release notes?
Yes.
Does this PR affect
tidb-ansible?No.