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From "John Sichi (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HIVE-1627) Hive Join returns incorrect results if the join is (bigint = string)
Date Tue, 21 Sep 2010 23:44:33 GMT

    [ https://issues.apache.org/jira/browse/HIVE-1627?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12913310#action_12913310
] 

John Sichi commented on HIVE-1627:
----------------------------------

To help verify this, could you provide a specific example?


> Hive Join returns incorrect results if the join is (bigint = string)
> --------------------------------------------------------------------
>
>                 Key: HIVE-1627
>                 URL: https://issues.apache.org/jira/browse/HIVE-1627
>             Project: Hadoop Hive
>          Issue Type: Bug
>          Components: Query Processor
>    Affects Versions: 0.5.0
>            Reporter: Abhinav Gupta
>
> I was running a query joining on bigint column with string column.
> And, result was incorrect because only "16 bytes seemed to be compared". The length of
value more than 16 bytes when represented as base-10. 
> The problem was fixed once I changed the join to (bigint = cast (string as bigint))
> Is the bug because of type conversion on join keys?

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