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opt: Rollback early returns if no mutations 

Signed-off-by: ekexium <ekexium@gmail.com>
This commit is contained in:
ekexium 2020-11-12 11:28:12 +08:00
parent c3d26733aa
commit 79f6259aa8
1 changed files with 2 additions and 0 deletions
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2
src/transaction/transaction.rs
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@ -507,6 +507,8 @@ impl TwoPhaseCommitter {
if self.for_update_ts > 0 {
new_pessimistic_rollback_request(keys, self.start_version, self.for_update_ts)
.execute(self.rpc.clone(), OPTIMISTIC_BACKOFF)
} else if self.mutations.is_empty() {
Box::pin(future::ready(Ok(())))
} else {
new_batch_rollback_request(keys, self.start_version)
.execute(self.rpc.clone(), OPTIMISTIC_BACKOFF)