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From "Ning Zhang (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HIVE-1629) Patch to fix hashCode method in DoubleWritable class
Date Mon, 13 Sep 2010 06:18:34 GMT

    [ https://issues.apache.org/jira/browse/HIVE-1629?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12908639#action_12908639

Ning Zhang commented on HIVE-1629:

Good question John. I think this patch doesn't affect bucketing, which is implemented using
ObjectInspectorUtils.hashCode(). Actually the hash function used there for Double is the same
as the one provided in this patch. But I'll double check with Zheng/Namit tomorrow. 

> Patch to fix hashCode method in DoubleWritable class
> ----------------------------------------------------
>                 Key: HIVE-1629
>                 URL: https://issues.apache.org/jira/browse/HIVE-1629
>             Project: Hadoop Hive
>          Issue Type: Bug
>            Reporter: Vaibhav Aggarwal
>            Assignee: Vaibhav Aggarwal
>             Fix For: 0.7.0
>         Attachments: HIVE-1629.patch
> A patch to fix the hashCode() method of DoubleWritable class of Hive.
> It prevents the HashMap (of type DoubleWritable) from behaving as LinkedList.

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