alamb commented on code in PR #16109:
URL: https://github.com/apache/datafusion/pull/16109#discussion_r2097692753
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datafusion/physical-plan/src/sorts/sort.rs:
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@@ -206,8 +201,6 @@ struct ExternalSorter {
schema: SchemaRef,
/// Sort expressions
expr: Arc<[PhysicalSortExpr]>,
- /// RowConverter corresponding to the sort expressions
- sort_keys_row_converter: Arc<RowConverter>,
Review Comment:
this was only used for multi-column sorts when one of the columns was
`List`. This feature was added to arrow-rs in
- https://github.com/apache/arrow-rs/issues/5454
- https://github.com/apache/arrow-rs/pull/5455
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