[jira] Commented: (HIVE-485) join assumes all columns are strings

["Zheng Shao (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HIVE-485?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12710496#action_12710496 ] 

Zheng Shao commented on HIVE-485:
---------------------------------

hive.485.2.patch:
1. The patch adds ObjectInspector[] to Operator.initialize, but that parameter is only set for JoinOperator. I guess the intention is to leave the rest of the work to HIVE-405?
2. Utility.hashCode() is not very efficient. I think we should do a "switch" based on the Category and PrimitiveCategory of the object.


> join assumes all columns are strings
> ------------------------------------
>
>                 Key: HIVE-485
>                 URL: https://issues.apache.org/jira/browse/HIVE-485
>             Project: Hadoop Hive
>          Issue Type: Bug
>          Components: Query Processor
>    Affects Versions: 0.4.0
>            Reporter: Namit Jain
>            Assignee: Namit Jain
>         Attachments: hive.485.1.patch, hive.485.2.patch
>
>
> join assumes all columns are string - pass the objectinspector from execreducer and use that

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