Nate Putnam created DRILL-5292:
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Summary: Better Parquet handling of sparse columns
Key: DRILL-5292
URL: https://issues.apache.org/jira/browse/DRILL-5292
Project: Apache Drill
Issue Type: Improvement
Components: Storage - Parquet
Reporter: Nate Putnam
It appears the current implantation of ParquetRecordReader will fill in missing
columns between files as a NullableIntVector. It would be better if the code
could determine if that column was defined in a different file (and didn't
conflict) and use the defined data type.
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