[hibernate-issues] [Hibernate-JIRA] Commented: (HHH-2952) Support for referencing non-root entities in Criteria SQL expressions

[Sergey Pulyaev (JIRA)]

    [ http://opensource.atlassian.com/projects/hibernate/browse/HHH-2952?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=32268#action_32268 ] 

Sergey Pulyaev commented on HHH-2952:
-------------------------------------

I'm in the same situation - and i made a patch to support that requirements. It works well for me - may be it would be helpfull for you too...

There are three files attached - improoved version of Restrictions, and two classes - to support Restriction and Projection with alias and properties resolver.

> Support for referencing non-root entities in Criteria SQL expressions
> ---------------------------------------------------------------------
>
>                 Key: HHH-2952
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2952
>             Project: Hibernate Core
>          Issue Type: Improvement
>          Components: query-criteria
>    Affects Versions: 3.2.2
>         Environment: Java 5, MySQL 5.0, Eclipse 3.2
>            Reporter: Jacob Gyllenstierna
>            Assignee: Diego Plentz
>
> It would be very helpful to be able to reference non-root entities in Criteria SQL restrictions and projections using placeholders similar to {alias}. A very simple but uninteresting example:
> criteria.createAlias("group", "g");
> criteria.add(Restrictions.sqlRestriction("{g}.id=:groupId"));

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