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From "Jason Altekruse (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (DRILL-2022) Parquet engine falls back to "new" Parquet reader unnecessarily
Date Mon, 11 May 2015 18:30:00 GMT

     [ https://issues.apache.org/jira/browse/DRILL-2022?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jason Altekruse updated DRILL-2022:
-----------------------------------
    Fix Version/s:     (was: 1.0.0)
                   1.1.0

> 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: Jason Altekruse
>            Priority: Minor
>             Fix For: 1.1.0
>
>         Attachments: DRILL-2022.1.patch.txt, DRILL-2022.2.patch.txt
>
>
> 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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