getChan commented on code in PR #15604:
URL: https://github.com/apache/datafusion/pull/15604#discussion_r2030142110
##########
datafusion/physical-optimizer/src/enforce_distribution.rs:
##########
@@ -1258,19 +1259,14 @@ pub fn ensure_distribution(
child = add_spm_on_top(child);
}
Distribution::HashPartitioned(exprs) => {
- if add_roundrobin {
- // Add round-robin repartitioning on top of the
operator
- // to increase parallelism.
- child = add_roundrobin_on_top(child,
target_partitions)?;
- }
Review Comment:
Sorry for the fat diff, here are the major changes.
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