Jimexist commented on a change in pull request #984:
URL: https://github.com/apache/arrow-datafusion/pull/984#discussion_r730614682
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File path: datafusion/src/physical_plan/sort_preserving_merge.rs
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@@ -1156,10 +1156,24 @@ mod tests {
#[tokio::test]
async fn test_async() {
let schema = test::aggr_test_schema();
- let sort = vec![PhysicalSortExpr {
- expr: col("c7", &schema).unwrap(),
- options: SortOptions::default(),
- }];
+ let sort = vec![
Review comment:
do we need to add a stable sort option in arrow sort kernel?
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