Dandandan commented on code in PR #15768:
URL: https://github.com/apache/datafusion/pull/15768#discussion_r2063781770
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datafusion/physical-plan/src/repartition/mod.rs:
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@@ -260,33 +260,43 @@ impl BatchPartitioner {
} => {
let idx = *next_idx;
*next_idx = (*next_idx + 1) % *num_partitions;
- Box::new(std::iter::once(Ok((idx, batch))))
+ assert_eq!(batches.len(), 1);
Review Comment:
For round robin, `batches.len` is always 1 (no buffering needed)/
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