gene-bordegaray commented on code in PR #23239:
URL: https://github.com/apache/datafusion/pull/23239#discussion_r3501058942
##########
datafusion/core/tests/physical_optimizer/enforce_distribution.rs:
##########
@@ -700,6 +748,201 @@ impl TestConfig {
}
}
+#[test]
+fn range_aggregate_keeps_range_partitioning_at_subset_threshold() ->
Result<()> {
+ let input = parquet_exec_with_output_partitioning(range_partitioning(
+ "a",
+ [10, 20, 30],
+ SortOptions::default(),
+ )?);
+ let aggregate =
+ aggregate_exec_with_alias(input, vec![("a".to_string(),
"a".to_string())]);
+
+ let plan = TestConfig::default()
+ .with_query_execution_partitions(4)
+ .to_plan(aggregate, &DISTRIB_DISTRIB_SORT);
+
+ assert_plan!(
+ plan,
+ @r"
+ AggregateExec: mode=FinalPartitioned, gby=[a@0 as a], aggr=[]
+ AggregateExec: mode=Partial, gby=[a@0 as a], aggr=[]
+ DataSourceExec: file_groups={4 groups: [[p0], [p1], [p2], [p3]]},
projection=[a, b, c, d, e], output_partitioning=Range([a@0 ASC], [(10), (20),
(30)], 4), file_type=parquet
Review Comment:
I prefer to have coverage directly in the `enforce_distribution.rs` tests
but can add end to end coerage as well to SLT 👍. Let me know if that is alrigth
with you guys
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