jayzhan211 commented on code in PR #24963:
URL: https://github.com/apache/datafusion/pull/24963#discussion_r3944262651
##########
datafusion/physical-plan/src/union.rs:
##########
@@ -694,8 +711,14 @@ impl InterleaveExec {
schema: SchemaRef,
) -> Result<PlanProperties> {
let eq_properties = EquivalenceProperties::new(schema);
- // Get output partitioning:
- let output_partitioning = inputs[0].output_partitioning().clone();
+ // Get output partitioning. Only claim the shared hash / range layout
+ // when every input actually has it (see `try_new_unchecked`).
+ let first_partitioning = inputs[0].output_partitioning();
+ let output_partitioning = if can_interleave(inputs.iter()) {
+ first_partitioning.clone()
+ } else {
+
Partitioning::UnknownPartitioning(first_partitioning.partition_count())
Review Comment:
This makes sense
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