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From Timo Westkämper (JIRA) <j...@apache.org>
Subject [jira] Commented: (JDO-652) Provision of a statically-typed refactor-friendly query capability for JDOQL
Date Mon, 12 Apr 2010 07:51:41 GMT

    [ https://issues.apache.org/jira/browse/JDO-652?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12855878#action_12855878
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Timo Westkämper commented on JDO-652:
-------------------------------------

We at Mysema are interested in a standardization of the dynamic query metamodel of Querydsl.
Providing something similar in JDO is a good first step.

The reference documentation of Querydsl describes the JDOQL usage :
http://source.mysema.com/static/querydsl/1.5.0/reference/html/ch02.html#jdoql_integration



> 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: api2, specification, tck2
>            Reporter: Andy Jefferson
>
> 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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