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Date: Wed, 23 Jun 2010 12:00:55 -0400 (EDT)
From: "Andy Jefferson (JIRA)" <jira@apache.org>
To: jdo-dev@db.apache.org
Subject: [jira] Commented: (JDO-652) Provision of a statically-typed
 refactor-friendly query capability for JDOQL
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    [ https://issues.apache.org/jira/browse/JDO-652?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12881723#action_12881723 ] 

Andy Jefferson commented on JDO-652:
------------------------------------

If anyone is interested in contributing ideas etc, please go to
http://datanucleus.blogspot.com/2010/06/jdo-typesafe-refactorable-queries.html
and
http://blog.mysema.com/2010/06/typesafe-queries-for-datanucleus.html

> Provision of a statically-typed refactor-friendly query capability for JDOQL
> ----------------------------------------------------------------------------
>
>                 Key: JDO-652
>                 URL: https://issues.apache.org/jira/browse/JDO-652
>             Project: JDO
>          Issue Type: New Feature
>          Components: api, specification, tck
>            Reporter: Andy Jefferson
>             Fix For: JDO 3 maintenance release 1
>
>
> There are various querying capabilities of this type around. JPA2 has its Criteria query API. Third party solutions like QueryDSL also exist, in its case providing a JDOQL implementation (as well as JPQL, and HQL). We should seriously consider introducing something along these lines in the JDO2.4 timeframe. 
> There is a comparison of JPA Criteria with QueryDSL over at 
> http://source.mysema.com/forum/mvnforum/viewthread_thread,49

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