Dandandan commented on code in PR #15768:
URL: https://github.com/apache/datafusion/pull/15768#discussion_r2051062202
##########
datafusion/physical-plan/src/repartition/mod.rs:
##########
@@ -298,25 +299,15 @@ impl BatchPartitioner {
.into_iter()
.enumerate()
.filter_map(|(partition, indices)| {
- let indices: PrimitiveArray<UInt32Type> =
indices.into();
(!indices.is_empty()).then_some((partition,
indices))
})
.map(move |(partition, indices)| {
// Tracking time required for repartitioned
batches construction
let _timer = partitioner_timer.timer();
+ let b: Vec<&RecordBatch> =
batches.iter().collect();
// Produce batches based on indices
- let columns = take_arrays(batch.columns(),
&indices, None)?;
-
- let mut options = RecordBatchOptions::new();
- options =
options.with_row_count(Some(indices.len()));
- let batch = RecordBatch::try_new_with_options(
- batch.schema(),
- columns,
- &options,
- )
- .unwrap();
-
+ let batch = interleave_record_batch(&b, &indices)?;
Review Comment:
Probably an api like https://github.com/apache/arrow-rs/pull/7325 would be
faster (avoiding one level of "trivial" indexing).
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: github-unsubscr...@datafusion.apache.org
For queries about this service, please contact Infrastructure at:
us...@infra.apache.org
---------------------------------------------------------------------
To unsubscribe, e-mail: github-unsubscr...@datafusion.apache.org
For additional commands, e-mail: github-h...@datafusion.apache.org
