alamb commented on code in PR #5322:
URL: https://github.com/apache/arrow-datafusion/pull/5322#discussion_r1120765946
##########
datafusion/physical-expr/src/utils.rs:
##########
@@ -235,6 +234,82 @@ pub fn ordering_satisfy_concrete<F: FnOnce() ->
EquivalenceProperties>(
}
}
+#[derive(Clone, Debug)]
+pub struct ExprTreeNode<T> {
Review Comment:
This comment still seems to be unaddressed. Perhaps we can handle it in a
follow on PR? This one is already pretty large and been outstanding for a while
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