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https://issues.apache.org/jira/browse/ORC-49?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Owen O'Malley updated ORC-49:
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Fix Version/s: 1.5.0
> Improve decimal encoding to use RLE
> -----------------------------------
>
> Key: ORC-49
> URL: https://issues.apache.org/jira/browse/ORC-49
> Project: ORC
> Issue Type: Sub-task
> Reporter: Owen O'Malley
> Assignee: Owen O'Malley
> Priority: Major
> Fix For: 1.5.0
>
>
> Because decimal was added in Hive 0.11 with no maximum precision, the ORC
> encoding for decimal uses arbitrary var ints. Since Hive 0.12, the maximum
> precision for decimals fits in 128 bits and thus we can use a much better
> encoding using the long rle.
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