alamb commented on code in PR #18369:
URL: https://github.com/apache/datafusion/pull/18369#discussion_r2477695123
##########
datafusion/physical-expr/src/expressions/case.rs:
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@@ -1954,4 +1954,35 @@ mod tests {
Ok(())
}
+
+ #[test]
+ fn test_merge() {
+ let a1 = StringArray::from(vec![Some("A")]).to_data();
+ let a2 = StringArray::from(vec![Some("B")]).to_data();
+ let a3 = StringArray::from(vec![Some("C"), Some("D")]).to_data();
+
+ let indices = vec![
+ PartialResultIndex::none(),
+ PartialResultIndex::try_new(1).unwrap(),
+ PartialResultIndex::try_new(0).unwrap(),
+ PartialResultIndex::none(),
+ PartialResultIndex::try_new(2).unwrap(),
+ PartialResultIndex::try_new(2).unwrap(),
Review Comment:
I get it now -- this is unpacking in some way.
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