Dandandan commented on code in PR #15423:
URL: https://github.com/apache/datafusion/pull/15423#discussion_r2013701354
##########
datafusion/physical-plan/src/repartition/mod.rs:
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@@ -316,6 +326,71 @@ impl BatchPartitioner {
Ok((partition, batch))
});
+ Box::new(it)
+ }
+ BatchPartitionerState::HashSelectVector {
+ random_state,
+ exprs,
+ num_partitions,
+ hash_buffer,
+ } => {
+ let timer = self.timer.timer();
+ let arrays = exprs
+ .iter()
+ .map(|expr|
expr.evaluate(&batch)?.into_array(batch.num_rows()))
+ .collect::<Result<Vec<_>>>()?;
+
+ create_hashes(&arrays, random_state, hash_buffer)?;
+
+ let hash_vector = hash_buffer
+ .iter()
+ .map(|hash| *hash % *num_partitions as u64)
+ .collect::<Vec<_>>();
Review Comment:
You can `collect` this directly to a `BooleanArray`
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