berkaysynnada commented on code in PR #10543:
URL: https://github.com/apache/datafusion/pull/10543#discussion_r1611257842
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datafusion/physical-expr/src/expressions/case.rs:
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@@ -258,6 +259,10 @@ impl CaseExpr {
}
}
+lazy_static! {
Review Comment:
`with_new_children()` of `CaseExpr` says that:
`// For physical CaseExpr, we do not allow modifying children size`.
That sentence tells me that we can also should not change the existence of
expressions. Can we just insert the new children into the Some() ones in the
element order?
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