mingmwang commented on code in PR #4394:
URL: https://github.com/apache/arrow-datafusion/pull/4394#discussion_r1033389506
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datafusion/core/src/physical_plan/joins/hash_join.rs:
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@@ -376,7 +381,8 @@ impl ExecutionPlan for HashJoinExec {
) -> Result<SendableRecordBatchStream> {
let on_left = self.on.iter().map(|on|
on.0.clone()).collect::<Vec<_>>();
let on_right = self.on.iter().map(|on|
on.1.clone()).collect::<Vec<_>>();
-
+ let hashjoin_metrics = HashJoinMetrics::new(partition, &self.metrics);
+ let timer = hashjoin_metrics.build_time.timer();
let left_fut = match self.mode {
Review Comment:
Is it correct to calculate the build time here? The `left_fut` returned here
is a `Future`.
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