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From "Adam Gilmore (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (DRILL-2022) Parquet engine falls back to "new" Parquet reader unnecessarily
Date Wed, 04 Mar 2015 09:04:04 GMT

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

Adam Gilmore updated DRILL-2022:
--------------------------------
    Attachment: DRILL-2022.2.patch.txt

I wasn't correctly handling case insensitive scans thus a test for complex Parquet files was
failing.

> 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: 0.9.0
>
>         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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