my-vegetable-has-exploded commented on code in PR #12967:
URL: https://github.com/apache/datafusion/pull/12967#discussion_r1806507269
##########
datafusion/core/src/physical_optimizer/join_selection.rs:
##########
@@ -1287,6 +1289,29 @@ mod tests_statistical {
);
}
+ #[tokio::test]
+ async fn test_hash_join_swap_on_joins_with_projections() -> Result<()> {
+ let (big, small) = create_big_and_small();
+ let join = Arc::new(HashJoinExec::try_new(
+ Arc::clone(&big),
+ Arc::clone(&small),
+ vec![(
+ Arc::new(Column::new_with_schema("big_col", &big.schema())?),
+ Arc::new(Column::new_with_schema("small_col",
&small.schema())?),
+ )],
+ None,
+ &JoinType::Inner,
+ Some(vec![1]),
+ PartitionMode::Partitioned,
+ false,
+ )?);
+ let swapped = swap_hash_join(&join.clone(), PartitionMode::Partitioned)
+ .expect("swap_hash_join must support joins with projections");
+ assert_eq!(swapped.schema().fields.len(), 1);
+ assert_eq!(swapped.schema().fields[0].name(), "small_col");
+ Ok(())
+ }
+
Review Comment:
done
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