Jefffrey commented on code in PR #23775:
URL: https://github.com/apache/datafusion/pull/23775#discussion_r3635606959
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datafusion/functions-nested/src/extract.rs:
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@@ -1236,6 +1244,47 @@ mod tests {
Ok(())
}
+ // An empty (length-0) list element that is not null must yield NULL, not
+ // the next element's value.
+ #[test]
+ fn test_array_any_value_empty_list_element() -> Result<()> {
Review Comment:
an empty list element will have the same structure regardless; i could see
why this would matter if we were testing some edge case with a non-empty null
slot, but since this is just for regular empty lists its probably not necessary
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