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Date: Fri, 3 Feb 2012 18:19:57 +0000 (UTC)
From: "Andy Jefferson (Commented) (JIRA)" <jira@apache.org>
To: jdo-dev@db.apache.org
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Subject: [jira] [Commented] (JDO-650) Support for conditional operator ? :
 in JDOQL
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    [ https://issues.apache.org/jira/browse/JDO-650?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13199921#comment-13199921 ] 

Andy Jefferson commented on JDO-650:
------------------------------------

No support for this JDO syntax present. There is obviously support for the associated JPA "case" syntax, so any volunteer could write the necessary code to do it for JDO
                
> Support for conditional operator ? : in JDOQL
> ---------------------------------------------
>
>                 Key: JDO-650
>                 URL: https://issues.apache.org/jira/browse/JDO-650
>             Project: JDO
>          Issue Type: New Feature
>          Components: specification, tck
>    Affects Versions: JDO 2 maintenance release 2 (2.2)
>            Reporter: Michael Bouschen
>            Assignee: Michael Bouschen
>             Fix For: JDO 3 maintenance release 1 (3.1)
>
>
> JDOQL should support the Java conditional operator ? :, e.g. salay >= 1000.0 ? salary : salary * 1.1
> The conditional operator can be mapped to the CASE-expression in SQL: CASE WHEN condition THEN thenExpr ELSE elseExpr END. Are there any issues with non-SQL datastores when supporting the conditional operator? 
> Another question: which part of a JDOQL query can include a conditional expression? I propose the query filter, the having clause and the result specification.

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