Wes McKinney created ARROW-3822:
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Summary: [C++] parquet::arrow::FileReader::GetRecordBatchReader
has logical error on row groups with chunked columns
Key: ARROW-3822
URL: https://issues.apache.org/jira/browse/ARROW-3822
Project: Apache Arrow
Issue Type: Bug
Components: C++
Reporter: Wes McKinney
Fix For: 0.13.0
If a BinaryArray / StringArray overflows a single column when reading a row
group, the resulting table will have a ChunkedArray. Using TableBatchReader in
https://github.com/apache/arrow/blob/master/cpp/src/parquet/arrow/reader.cc#L176
will therefore only return a part of the row group, discarding the rest
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