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https://issues.apache.org/jira/browse/HIVE-10254?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14541568#comment-14541568
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Dong Chen commented on HIVE-10254:
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Thanks for your feedback, [~rdblue]
PARQUET-281 was created for this. Column-level is a good idea.
I will investigate Parquet code to see how to make it. It seems not
straight-forward like changing Binary class, and needs some code digging.
> Parquet PPD support DECIMAL
> ---------------------------
>
> Key: HIVE-10254
> URL: https://issues.apache.org/jira/browse/HIVE-10254
> Project: Hive
> Issue Type: Sub-task
> Reporter: Dong Chen
> Assignee: Dong Chen
>
> The Decimal data type has been supported for Parquet on Hive. But the
> predicate push down does not work for Decimal type. This Jira will make PPD
> support Decimal type for Parquet.
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