chris stockton created PARQUET-2219:
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Summary: ParquetFileReader throws a runtime exception when a file
contains only headers and now row data
Key: PARQUET-2219
URL: https://issues.apache.org/jira/browse/PARQUET-2219
Project: Parquet
Issue Type: Bug
Components: parquet-mr
Affects Versions: 1.12.1
Reporter: chris stockton
Google BigQuery has an option to export table data to Parquet-formatted files,
but some of these files are written with header data only. When this happens
and these files are opened with the ParquetFileReader, an exception is thrown:
{{RuntimeException("Illegal row group of 0 rows");}}
It seems like the ParquetFileReader should not throw an exception when it
encounters such a file.
https://github.com/apache/parquet-mr/blob/master/parquet-hadoop/src/main/java/org/apache/parquet/hadoop/ParquetFileReader.java#L949
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