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fix: track elapsed_compute for file stream #18752

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fix: track elapsed_compute for file stream #18752

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2 changes: 2 additions & 0 deletions datafusion/datasource/src/file_stream.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -115,6 +115,7 @@ impl FileStream {
/// Since file opening is mostly IO (and may involve a
/// bunch of sequential IO), it can be parallelized with decoding.
fn start_next_file(&mut self) -> Option<Result<(FileOpenFuture, Vec<ScalarValue>)>> {
let _timer = self.baseline_metrics.elapsed_compute().timer();
let part_file = self.file_iter.pop_front()?;

let partition_values = part_file.partition_values.clone();
Expand Down Expand Up @@ -213,6 +214,7 @@ impl FileStream {
Some(Ok(batch)) => {
self.file_stream_metrics.time_scanning_until_data.stop();
self.file_stream_metrics.time_scanning_total.stop();
let _timer = self.baseline_metrics.elapsed_compute().timer();
let result = self
.pc_projector
.project(batch, partition_values)
Expand Down