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Posted to common-dev@hadoop.apache.org by "Edward Yoon (JIRA)" <ji...@apache.org> on 2007/10/23 09:54:50 UTC

[jira] Updated: (HADOOP-2021) Sort Join Implementation

     [ https://issues.apache.org/jira/browse/HADOOP-2021?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Edward Yoon updated HADOOP-2021:
--------------------------------

    Summary: Sort Join Implementation  (was: θ Join Condition)

> Sort Join Implementation
> ------------------------
>
>                 Key: HADOOP-2021
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2021
>             Project: Hadoop
>          Issue Type: Sub-task
>          Components: contrib/hbase
>    Affects Versions: 0.14.1
>         Environment: all environments  
>            Reporter: Edward Yoon
>            Priority: Minor
>             Fix For: 0.16.0
>
>
>  * stands for the usual comparison operators '<','<=', '>', '>=',  '!=', '='
>  * comparing terms in the Q clauses can be arbitrarily connected with boolean operators AND, NOT, OR
> {code}
> ex. (a.value = b.value and a.key != b.key)
> {code}

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