alamb commented on code in PR #7446: URL: https://github.com/apache/arrow-rs/pull/7446#discussion_r2081349486
########## parquet/src/arrow/arrow_writer/mod.rs: ########## @@ -1911,6 +1915,50 @@ mod tests { roundtrip(batch, Some(SMALL_SIZE / 2)); } + #[test] + fn test_fixed_size_binary_in_dict() { + fn test_fixed_size_binary_in_dict_inner<K>() + where + K: ArrowDictionaryKeyType, + K::Native: FromPrimitive + ToPrimitive + TryFrom<u8>, + <<K as arrow_array::ArrowPrimitiveType>::Native as TryFrom<u8>>::Error: std::fmt::Debug, + { + let field = Field::new( + "a", + DataType::Dictionary( + Box::new(K::DATA_TYPE), + Box::new(DataType::FixedSizeBinary(4)), + ), + false, + ); + let schema = Schema::new(vec![field]); + + let keys: Vec<K::Native> = vec![ + K::Native::try_from(0u8).unwrap(), + K::Native::try_from(0u8).unwrap(), + K::Native::try_from(1u8).unwrap(), + ]; + let keys = PrimitiveArray::<K>::from_iter_values(keys); + let values = FixedSizeBinaryArray::try_from_iter( + vec![vec![0, 0, 0, 0], vec![1, 1, 1, 1]].into_iter(), + ) + .unwrap(); + + let data = DictionaryArray::<K>::new(keys, Arc::new(values)); + let batch = RecordBatch::try_new(Arc::new(schema), vec![Arc::new(data)]).unwrap(); + roundtrip(batch, None); Review Comment: no worries -- it was my bad for missing it -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: github-unsubscr...@arrow.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org