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Posted to derby-dev@db.apache.org by "Mamta A. Satoor (JIRA)" <ji...@apache.org> on 2012/09/30 02:04:07 UTC

[jira] [Updated] (DERBY-4660) Expose merge join through optimizer override

     [ https://issues.apache.org/jira/browse/DERBY-4660?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mamta A. Satoor updated DERBY-4660:
-----------------------------------

    Urgency: Normal
     Labels: derby_triage10_10  (was: )
    
> Expose merge join through optimizer override
> --------------------------------------------
>
>                 Key: DERBY-4660
>                 URL: https://issues.apache.org/jira/browse/DERBY-4660
>             Project: Derby
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 10.7.1.1
>            Reporter: Knut Anders Hatlen
>            Priority: Minor
>              Labels: derby_triage10_10
>
> Derby comes with a class called MergeJoinResultSet which is not currently used. As a first step towards full support for merge joins, we should expose the functionality provided by this class through an optimizer override, so that we can start testing it.

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