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

[Kai Prünte (JIRA)]

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

Kai Prünte updated HHH-2952:
----------------------------

    Attachment: SQLAliasedCriterion.java

I also run into this problem and try your classes. 
As mentioned before sometimes it is not easy to patch Hibernate or other third party libs. I will get into trouble with my deployment. Because of that reason I changed SQLAliasedCriterion in that way, that no modifications of existing Hibernate code is necessary. If you want to use it, please have a look into the exception handling. This is only quick and dirty.

> 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
>         Attachments: RestrictionsExt.java, SQLAliasedCriterion.java, SQLAliasedCriterion.java, SQLAliasedProjection.java
>
>
> 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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