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Posted to derby-dev@db.apache.org by "Mamta A. Satoor (JIRA)" <ji...@apache.org> on 2013/06/25 17:18:21 UTC

[jira] [Updated] (DERBY-619) Make scan Qualifiers smart enough to handle comparisons between columns in the same row

     [ https://issues.apache.org/jira/browse/DERBY-619?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mamta A. Satoor updated DERBY-619:
----------------------------------

    Urgency: Low
     Labels: derby_triage10_11  (was: )
    
> Make scan Qualifiers smart enough to handle comparisons between columns in the same row
> ---------------------------------------------------------------------------------------
>
>                 Key: DERBY-619
>                 URL: https://issues.apache.org/jira/browse/DERBY-619
>             Project: Derby
>          Issue Type: Improvement
>          Components: SQL, Store
>            Reporter: Rick Hillegas
>              Labels: derby_triage10_11
>
> Right now we can push the following restriction fragment into the Store: "col < CONSTANT". It would be good if we could also push "col1 < col2" into the Store. Same goes for =, !=, >, etc..

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