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Describe the bug
REE arrays whose values are dictionaries can't be successfully encoded and then decoded when using streaming IPC.
To Reproduce
#[test] fn test_read_ree_dict_record_batches_from_buffer() { let schema = Schema::new(vec![ Field::new( "test1", DataType::RunEndEncoded( Arc::new(Field::new("run_ends".to_string(), DataType::Int32, false)), Arc::new(Field::new_dict( "values".to_string(), DataType::Dictionary(Box::new(DataType::Int32), Box::new(DataType::Utf8)), true, 0, false, )), ), true, ), ]); let batch = RecordBatch::try_new( schema.clone().into(), vec![ Arc::new( RunArray::try_new( &Int32Array::from(vec![1, 2, 3]), &vec![Some("a"), None, Some("a")] .into_iter() .collect::<DictionaryArray<Int32Type>>(), ) .expect("Failed to create RunArray"), ), ], ) .expect("Failed to create RecordBatch"); let mut buffer = vec![]; { let mut writer = StreamWriter::try_new_with_options( &mut buffer, &schema, IpcWriteOptions::default().with_preserve_dict_id(false), ) .expect("Failed to create StreamWriter"); writer.write(&batch).expect("Failed to write RecordBatch"); writer.finish().expect("Failed to finish StreamWriter"); } let mut decoder = StreamDecoder::new(); let buf = &mut Buffer::from(buffer.as_slice()); while let Some(_) = decoder .decode(buf) .map_err(|e| { ArrowError::ExternalError(format!("Failed to decode record batch: {}", e).into()) }) .expect("Failed to decode record batch") { } decoder.finish().expect("Failed to finish decoder"); }
Expected behavior
The above test works.
Additional context
n/a
The text was updated successfully, but these errors were encountered:
label_issue.py automatically added labels {'arrow'} from #6399
label_issue.py
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Describe the bug
REE arrays whose values are dictionaries can't be successfully encoded and then decoded when using streaming IPC.
To Reproduce
Expected behavior
The above test works.
Additional context
n/a
The text was updated successfully, but these errors were encountered: