jayzhan211 commented on code in PR #24698:
URL: https://github.com/apache/datafusion/pull/24698#discussion_r4388620911
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datafusion/expr-common/src/sort_properties.rs:
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@@ -37,16 +37,24 @@ use arrow::datatypes::DataType;
pub enum SortProperties {
/// Use the ordinary [`SortOptions`] struct to represent ordered data:
Ordered(SortOptions),
- // This alternative represents unordered data:
+ /// Within each partition, all rows with the same value for this expression
+ /// form one contiguous run. The runs may occur in any order.
+ Grouped,
Review Comment:
@xavlee, feel free to request a review when the PR is ready.
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