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http://opensource.atlassian.com/projects/hibernate/browse/HHH-2952?page=c...
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Julian Wood commented on HHH-2952:
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Would love to see this.
Here's my use case:
Criteria criteria = session.createCriteria(Message.class);
criteria.createAlias("folder", "f");
criteria.createAlias("f.owner", "owner");
criteria.add(Restrictions.eq("owner.username",
recipient.getUsername()));
criteria.add(Restrictions.sqlRestriction("f1_.FolderType =
'Inbox'"));
I'm looking for messages whose folder has a discriminator (FolderType) of
'Inbox'.
Can I rely on the fact that hibernate called my folder alias f1_ in my sql restriction?
This would be more reassuring, as described above:
criteria.add(Restrictions.sqlRestriction("{f}.FolderType = 'Inbox'"));
(Or how can I make a discriminator into an accessible property?)
J
Support for referencing non-root entities in Criteria SQL
expressions
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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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