viirya commented on code in PR #7318:
URL: https://github.com/apache/arrow-rs/pull/7318#discussion_r2009207009
##########
arrow-ipc/src/writer.rs:
##########
@@ -3075,4 +3098,171 @@ mod tests {
assert_eq!(stream_bytes_written_on_flush,
expected_stream_flushed_bytes);
assert_eq!(file_bytes_written_on_flush, expected_file_flushed_bytes);
}
+
+ #[test]
+ fn test_roundtrip_list_of_fixed_list() -> Result<(), ArrowError> {
+ let l0_builder = Float32Builder::new();
+ let l1_builder = FixedSizeListBuilder::new(l0_builder, 3);
+ let mut l2_builder = ListBuilder::new(l1_builder);
+
+ for point in [[1.0, 2.0, 3.0], [4.0, 5.0, 6.0], [7.0, 8.0, 9.0]] {
+ l2_builder.values().values().append_value(point[0]);
+ l2_builder.values().values().append_value(point[1]);
+ l2_builder.values().values().append_value(point[2]);
+
+ l2_builder.values().append(true);
+ }
+ l2_builder.append(true);
+
+ let point = [10., 11., 12.];
+ l2_builder.values().values().append_value(point[0]);
+ l2_builder.values().values().append_value(point[1]);
+ l2_builder.values().values().append_value(point[2]);
+
+ l2_builder.values().append(true);
+ l2_builder.append(true);
+
+ let array = Arc::new(l2_builder.finish()) as ArrayRef;
+
+ let schema = Arc::new(Schema::new_with_metadata(
+ vec![Field::new(
+ "points",
+ DataType::List(Arc::new(Field::new(
+ "item",
+ DataType::FixedSizeList(
+ Arc::new(Field::new("item", DataType::Float32, true)),
+ 3,
+ ),
+ true,
+ ))),
+ true,
Review Comment:
Looks like these values are not nullable? Maybe update the schema?
--
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: [email protected]
For queries about this service, please contact Infrastructure at:
[email protected]
