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

[Diego Pires Plentz (JIRA)]

    [ http://opensource.atlassian.com/projects/hibernate/browse/HHH-2952?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_28912 ] 

Diego Pires Plentz commented on HHH-2952:
-----------------------------------------

http://www.hibernate.org/hib_docs/v3/reference/en/html_single/#querycriteria-associations

List cats = sess.createCriteria(Cat.class)
    .createAlias("kittens", "kt")
    .createAlias("mate", "mt")
    .add( Restrictions.eqProperty("kt.name", "mt.name") )
    .list();

This? :-)

> Support for referencing non-root entities in Criteria SQL expressions
> ---------------------------------------------------------------------
>
>                 Key: HHH-2952
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2952
>             Project: Hibernate3
>          Issue Type: Improvement
>          Components: query-criteria
>    Affects Versions: 3.2.2
>         Environment: Java 5, MySQL 5.0, Eclipse 3.2
>            Reporter: Jacob Gyllenstierna
>
> 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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