Arina Ielchiieva updated DRILL-5797:
    Fix Version/s:     (was: 1.15.0)

> Use more often the new parquet reader
> -------------------------------------
>                 Key: DRILL-5797
>                 URL: https://issues.apache.org/jira/browse/DRILL-5797
>             Project: Apache Drill
>          Issue Type: Improvement
>          Components: Storage - Parquet
>            Reporter: Damien Profeta
>            Assignee: Oleksandr Kalinin
>            Priority: Major
>              Labels: ready-to-commit
>             Fix For: 1.14.0
> The choice of using the regular parquet reader of the optimized one is based 
> of what type of columns is in the file. But the columns that are read by the 
> query doesn't matter. We can increase a little bit the cases where the 
> optimized reader is used by checking is the projected column are simple or 
> not.
> This is an optimization waiting for the fast parquet reader to handle complex 
> structure.

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