ozankabak commented on code in PR #5772:
URL: https://github.com/apache/arrow-datafusion/pull/5772#discussion_r1152672124
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datafusion/core/src/physical_plan/windows/mod.rs:
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@@ -187,6 +188,30 @@ fn create_built_in_window_expr(
})
}
+pub(crate) fn calc_requirements(
+ partition_by_exprs: &[Arc<dyn PhysicalExpr>],
+ orderby_sort_exprs: &[PhysicalSortExpr],
+) -> Option<Vec<PhysicalSortRequirement>> {
+ let mut sort_reqs = vec![];
+ for partition_by in partition_by_exprs {
+ sort_reqs.push(PhysicalSortRequirement {
+ expr: partition_by.clone(),
+ options: None,
Review Comment:
Right. I vaguely remember us discussing internally that there are also some
other use cases where some sort of ordering is required but the options don't
matter, but I can't recall now
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