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Posted to issues@hive.apache.org by "Owen O'Malley (JIRA)" <ji...@apache.org> on 2017/07/26 00:04:09 UTC

[jira] [Closed] (HIVE-15335) Fast Decimal

     [ https://issues.apache.org/jira/browse/HIVE-15335?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Owen O'Malley closed HIVE-15335.
--------------------------------

> Fast Decimal
> ------------
>
>                 Key: HIVE-15335
>                 URL: https://issues.apache.org/jira/browse/HIVE-15335
>             Project: Hive
>          Issue Type: Bug
>          Components: Hive
>            Reporter: Matt McCline
>            Assignee: Matt McCline
>            Priority: Critical
>             Fix For: 2.2.0
>
>         Attachments: HIVE-15335.01.patch, HIVE-15335.02.patch, HIVE-15335.03.patch, HIVE-15335.04.patch, HIVE-15335.05.patch, HIVE-15335.06.patch, HIVE-15335.07.patch, HIVE-15335.08.patch, HIVE-15335.091.patch, HIVE-15335.092.patch, HIVE-15335.093.patch, HIVE-15335.094.patch, HIVE-15335.095.patch, HIVE-15335.096.patch, HIVE-15335.097.patch, HIVE-15335.098.patch, HIVE-15335.0991.patch, HIVE-15335.0992.patch, HIVE-15335.0993.patch, HIVE-15335.099.patch, HIVE-15335.09.patch
>
>
> Replace HiveDecimal implementation that currently represents the decimal internally as a BigDecimal with a faster version that does not allocate extra objects
> Replace HiveDecimalWritable implementation with a faster version that has new mutable* calls (e.g. mutableAdd, mutableEnforcePrecisionScale, etc) and stores the result as a fast decimal instead of a slow byte array containing a serialized BigInteger.
> Provide faster ways to serialize/deserialize decimals.



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