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Date: Tue, 7 Aug 2012 01:47:02 +0000 (UTC)
From: "Navis (JIRA)" <jira@apache.org>
To: hive-dev@hadoop.apache.org
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Subject: [jira] [Updated] (HIVE-3315) Propagate filers on inner join
 condition transitively
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     [ https://issues.apache.org/jira/browse/HIVE-3315?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Navis updated HIVE-3315:
------------------------

    Attachment: HIVE-3315.1.patch.txt
    
> Propagate filers on inner join condition transitively 
> ------------------------------------------------------
>
>                 Key: HIVE-3315
>                 URL: https://issues.apache.org/jira/browse/HIVE-3315
>             Project: Hive
>          Issue Type: Improvement
>          Components: Query Processor
>    Affects Versions: 0.10.0
>            Reporter: Navis
>            Assignee: Navis
>            Priority: Minor
>         Attachments: HIVE-3315.1.patch.txt
>
>
> explain select src1.key from src src1 join src src2 on src1.key=src2.key and src1.key < 100;
> In this case, filter on join condition src1.key < 100 can be propagated transitively to src2 by src2.key < 100. 

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