alamb commented on code in PR #7627:
URL: https://github.com/apache/arrow-rs/pull/7627#discussion_r2143652503
##########
arrow-row/src/lib.rs:
##########
@@ -1863,6 +1887,64 @@ mod tests {
back[0].to_data().validate_full().unwrap();
}
+ #[test]
+ fn test_dictionary_in_struct() {
+ let ty = DataType::Struct(
+ vec![Field::new_dictionary(
+ "foo",
+ DataType::Int32,
+ DataType::Int32,
+ false,
+ )]
+ .into(),
+ );
+ let s = arrow_array::new_empty_array(&ty);
Review Comment:
Can you please also add a test that round trips an actual struct with
dictionary through the converter? Testing with an empty array is also a good
test, but I think we need to verify that the data is the same too
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