rtpsw commented on code in PR #35874:
URL: https://github.com/apache/arrow/pull/35874#discussion_r1231004801
##########
cpp/src/arrow/acero/asof_join_node.cc:
##########
@@ -370,15 +370,10 @@ struct MemoStore {
times_.swap(memo.times_);
}
- // Updates the current time to `ts` if it is less. A different thread may
win the race
- // to update the current time to more than `ts` but not to less. Returns
whether the
- // current time was changed from its value at the beginning of this
invocation.
+ // Updates the current time to `ts` if it is less. Returns true if updated.
bool UpdateTime(OnType ts) {
- OnType prev_time = current_time_;
Review Comment:
Created #36094 and will revert here.
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