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Posted to issues@drill.apache.org by "Adam Gilmore (JIRA)" <ji...@apache.org> on 2015/01/16 10:05:34 UTC

[jira] [Created] (DRILL-2022) Parquet engine falls back to "new" Parquet reader unnecessarily

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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