jorgecarleitao commented on a change in pull request #8850:
URL: https://github.com/apache/arrow/pull/8850#discussion_r537273177
##########
File path: rust/arrow/src/array/transform/mod.rs
##########
@@ -687,4 +728,118 @@ mod tests {
let expected = Int16Array::from(vec![Some(1), None]);
assert_eq!(result.keys(), &expected);
}
+
+ #[test]
+ fn test_struct() {
+ let strings: ArrayRef = Arc::new(StringArray::from(vec![
+ Some("joe"),
+ None,
+ None,
+ Some("mark"),
+ Some("doe"),
+ ]));
+ let ints: ArrayRef = Arc::new(Int32Array::from(vec![
+ Some(1),
+ Some(2),
+ Some(3),
+ Some(4),
+ Some(5),
+ ]));
+
+ let array =
+ StructArray::try_from(vec![("f1", strings.clone()), ("f2",
ints.clone())])
+ .unwrap()
+ .data();
+ let arrays = vec![array.as_ref()];
+ let mut mutable = MutableArrayData::new(arrays, false, 0);
+
+ mutable.extend(0, 1, 3);
Review comment:
I am sorry, I did not notice this comment. You are right, I will address
it on a separate PR.
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