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Posted to dev@openjpa.apache.org by "Patrick Linskey (JIRA)" <ji...@apache.org> on 2008/01/16 02:41:36 UTC

[jira] Created: (OPENJPA-488) Simplify JPQL SUBSTRING clauses involving literal index and position data

Simplify JPQL SUBSTRING clauses involving literal index and position data
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                 Key: OPENJPA-488
                 URL: https://issues.apache.org/jira/browse/OPENJPA-488
             Project: OpenJPA
          Issue Type: Improvement
          Components: sql
    Affects Versions: 1.0.1, 1.0.0, 0.9.7, 0.9.6, 0.9.0, 1.0.2
            Reporter: Patrick Linskey
             Fix For: 1.1.0


The special case of SUBSTRING expressions that use literals for both start index and length can be optimized independently of the general case.

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[jira] Resolved: (OPENJPA-488) Simplify JPQL SUBSTRING clauses involving literal index and position data

Posted by "Patrick Linskey (JIRA)" <ji...@apache.org>.

     [ https://issues.apache.org/jira/browse/OPENJPA-488?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Patrick Linskey resolved OPENJPA-488.
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    Resolution: Fixed

Some of the DBDictionary subtypes (AbstractSQLServerDictionary, in particular) could use further optimizations.

> Simplify JPQL SUBSTRING clauses involving literal index and position data
> -------------------------------------------------------------------------
>
>                 Key: OPENJPA-488
>                 URL: https://issues.apache.org/jira/browse/OPENJPA-488
>             Project: OpenJPA
>          Issue Type: Improvement
>          Components: sql
>    Affects Versions: 0.9.0, 0.9.6, 0.9.7, 1.0.0, 1.0.1, 1.0.2
>            Reporter: Patrick Linskey
>             Fix For: 1.1.0
>
>
> The special case of SUBSTRING expressions that use literals for both start index and length can be optimized independently of the general case.

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