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From "Mamta A. Satoor (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (DERBY-3854) Implement LIKE transformations and optimizations for databases using territory-based collations
Date Sun, 30 Sep 2012 02:42:07 GMT

     [ https://issues.apache.org/jira/browse/DERBY-3854?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Mamta A. Satoor updated DERBY-3854:
-----------------------------------

    Urgency: Normal
     Labels: derby_triage10_10  (was: )
    
> Implement LIKE transformations and optimizations for databases using territory-based
collations
> -----------------------------------------------------------------------------------------------
>
>                 Key: DERBY-3854
>                 URL: https://issues.apache.org/jira/browse/DERBY-3854
>             Project: Derby
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 10.3.3.0, 10.4.1.3, 10.5.1.1
>            Reporter: Rick Hillegas
>              Labels: derby_triage10_10
>
> The LIKE transformations and optimizations are disabled when using a database with a
territory-based collation. See the following email thread: http://www.nabble.com/territory-based-collations-and-optimizations-for-the-LIKE-operator-td19111725.html#a19111725
That thread, in turn, refers to DERBY-1478. It would be nice if we did not have to perform
full table scans for LIKE queries in databases with territory-based collations.

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