LLDay commented on code in PR #20009:
URL: https://github.com/apache/datafusion/pull/20009#discussion_r2732380338
##########
datafusion/physical-plan/src/sorts/sort_preserving_merge.rs:
##########
@@ -409,6 +410,46 @@ impl ExecutionPlan for SortPreservingMergeExec {
.with_fetch(self.fetch()),
)))
}
+
+ fn physical_expressions<'a>(
+ &'a self,
+ ) -> Option<Box<dyn Iterator<Item = Arc<dyn PhysicalExpr>> + 'a>> {
+ Some(Box::new(
+ self.expr.iter().map(|sort| Arc::clone(&sort.expr)),
+ ))
+ }
+
+ fn with_physical_expressions(
+ &self,
+ exprs: Vec<Arc<dyn PhysicalExpr>>,
+ ) -> Result<Option<Arc<dyn ExecutionPlan>>> {
+ let expected_count = self.expr.len();
+ let exprs_count = exprs.len();
+ if exprs_count != expected_count {
Review Comment:
Rewrote with `assert_eq_or_internal_error`.
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