Adam Gilmore created DRILL-2022:
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Summary: Parquet engine falls back to "new" Parquet reader
unnecessarily
Key: DRILL-2022
URL: https://issues.apache.org/jira/browse/DRILL-2022
Project: Apache Drill
Issue Type: Improvement
Components: Storage - Parquet
Affects Versions: 0.8.0
Reporter: Adam Gilmore
Assignee: Parth Chandra
The Parquet engine falls back to the "new" Parquet reader whenever a Parquet
file that is "complex" (i.e. not purely primitive types) is found.
The engine should still use the faster reader when all the projected columns
are primitive types and only fall back to the other reader when columns
containing complex types are selected.
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