tustvold commented on code in PR #4625:
URL: https://github.com/apache/arrow-rs/pull/4625#discussion_r1282668460
##########
arrow-row/src/lib.rs:
##########
@@ -2442,4 +2442,25 @@ mod tests {
assert_eq!(&back[0], &array);
}
}
+
+ #[test]
+ fn test_append_codec_dictionary_binary() {
+ use DataType::*;
+ // Dictionary RowConverter
+ let mut converter = RowConverter::new(vec![SortField::new(Dictionary(
+ Box::new(Int8),
+ Box::new(Binary),
+ ))])
+ .unwrap();
+ let mut rows = converter.empty_rows(3, 128);
+
+ let keys = Int8Array::from_iter_values([0, 0, 1, 2]);
+ let values = BinaryArray::from(vec![None, Some("a".as_bytes()),
Some(b"b")]);
+ let dict_array = DictionaryArray::new(keys, Arc::new(values));
+
+ rows.clear();
+ let array = Arc::new(dict_array) as ArrayRef;
+ converter.append(&mut rows, &[array.clone()]).unwrap();
+ converter.convert_rows(&rows).unwrap();
Review Comment:
```suggestion
let back = converter.convert_rows(&rows).unwrap();
assert_eq!(back.as_ref(), array):
```
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