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https://issues.apache.org/jira/browse/DRILL-2022?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14332457#comment-14332457
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Adam Gilmore commented on DRILL-2022:
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Any news on whether this can get merged in [~jaltekruse]?
> 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
> Attachments: DRILL-2022.1.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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