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https://issues.apache.org/jira/browse/HIVE-6017?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13861085#comment-13861085
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Lefty Leverenz commented on HIVE-6017:
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What documentation does this need -- just add DECIMAL128 to the list of types
with a brief explanation?
* [Numeric
Types|https://cwiki.apache.org/confluence/display/Hive/LanguageManual+Types#LanguageManualTypes-NumericTypes]
*
[Decimals|https://cwiki.apache.org/confluence/display/Hive/LanguageManual+Types#LanguageManualTypes-Decimals]
* [Floating Point
Types|https://cwiki.apache.org/confluence/pages/viewpage.action?pageId=27838462#LanguageManualTypes-FloatingPointTypes]
> Contribute Decimal128 high-performance decimal(p, s) package from Microsoft
> to Hive
> -----------------------------------------------------------------------------------
>
> Key: HIVE-6017
> URL: https://issues.apache.org/jira/browse/HIVE-6017
> Project: Hive
> Issue Type: Sub-task
> Affects Versions: 0.13.0
> Reporter: Eric Hanson
> Assignee: Eric Hanson
> Fix For: 0.13.0
>
> Attachments: HIVE-6017.01.patch, HIVE-6017.02.patch,
> HIVE-6017.03.patch, HIVE-6017.04.patch
>
>
> Contribute the Decimal128 high-performance decimal package developed by
> Microsoft to Hive. This was originally written for Microsoft PolyBase by
> Hideaki Kimura.
> This code is about 8X more efficient than Java BigDecimal for typical
> operations. It uses a finite (128 bit) precision and can handle up to
> decimal(38, X). It is also "mutable" so you can change the contents of an
> existing object. This helps reduce the cost of new() and garbage collection.
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