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https://issues.apache.org/jira/browse/HIVE-10254?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14540127#comment-14540127
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Ryan Blue commented on HIVE-10254:
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[~dongc], I think you're right that we need a comparator, but I think this
should be at the column-level rather than associated with the Binary class.
Could you open a Parquet issue to discuss this in the Parquet community?
> 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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