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Strong Liu resolved HHH-1780.
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Resolution: Fixed
Fix Version/s: 3.6.7
4.0.0.next
patch applied, nice work Igor, thanks
negation of EXISTS in hql query does not work
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Key: HHH-1780
URL:
http://opensource.atlassian.com/projects/hibernate/browse/HHH-1780
Project: Hibernate Core
Issue Type: Bug
Affects Versions: 3.1.3, 3.2.0 cr1, 3.2.0.cr2
Reporter: Marton Papp
Assignee: Strong Liu
Fix For: 4.0.0.next, 3.6.7
Attachments: hibernate-HHH-1780-fix.patch, hibernate-HHH-1780-fix.patch,
hibernate-HHH-1780-test.patch
Hello!
I think I found a bug in Hibernate, in class org.hibernate.hql.ast.HqlParser.
It is in the methtod:
public AST negateNode(AST x)
The switch lacks the node type: EXISTS.
The default negateNode() implementation in org.hibernate.hql.antlr.HqlBaseParser seems to
be broken by me, since it does not actually inverts the node but returns a node that is
inverted. Or, to be more exact, the negation of OR and AND types are buggy, since they
seem to assume that negateNode() will change the node itself, and so they simply discard
its return value.
I wish the branch for NOT was not commented out, since it would provide a workaround, but
now i'm stuck.
Regards,
Marton
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