[hibernate-issues] [Hibernate-JIRA] Commented: (HHH-2952) Support for referencing non-root entities in Criteria SQL expressions
Ondrej Medek (JIRA)
noreply at atlassian.com
Fri Aug 20 08:44:41 EDT 2010
[ http://opensource.atlassian.com/projects/hibernate/browse/HHH-2952?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=38149#action_38149 ]
Ondrej Medek commented on HHH-2952:
-----------------------------------
Hi guys, thanks very much for your SQLAliasedCriterion. I think I have simplified it - it is no necessary to change the core Hibernate files, no "Reflection magic".
> 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, 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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