xudong963 commented on code in PR #17028:
URL: https://github.com/apache/datafusion/pull/17028#discussion_r2254131582
##########
datafusion/physical-plan/src/sorts/sort.rs:
##########
@@ -1116,10 +1127,46 @@ impl ExecutionPlan for SortExec {
self: Arc<Self>,
children: Vec<Arc<dyn ExecutionPlan>>,
) -> Result<Arc<dyn ExecutionPlan>> {
- let mut new_sort = SortExec::new(self.expr.clone(),
Arc::clone(&children[0]))
- .with_fetch(self.fetch)
- .with_preserve_partitioning(self.preserve_partitioning);
- new_sort.filter = self.filter.clone();
+ let mut new_sort = self.cloned();
+ assert!(
+ children.len() == 1,
+ "SortExec should have exactly one child"
+ );
+ new_sort.input = Arc::clone(&children[0]);
+ // Recompute the properties based on the new input since they may have
changed.
+ let (cache, sort_prefix) = Self::compute_properties(
+ &new_sort.input,
+ new_sort.expr.clone(),
+ new_sort.preserve_partitioning,
+ )
Review Comment:
Why don't we put the logic into `reset_state` if the changes are due to the
`reset_state`?
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