viirya commented on a change in pull request #1481:
URL: https://github.com/apache/arrow-rs/pull/1481#discussion_r834502380
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File path: parquet/src/arrow/array_reader.rs
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@@ -887,7 +886,7 @@ fn remove_indices(
Ok(Arc::new(StructArray::from((new_columns, valid.finish()))))
}
}
- ArrowType::Null => Ok(Arc::new(NullArray::new(arr.len()))),
+ ArrowType::Null => Ok(Arc::new(NullArray::new(arr.len() -
indices.len()))),
Review comment:
Hmm, I remember by deducting the null indices, the resulting record
batch will be empty, but actually there are a row with empty list in previous
issue.
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