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http://opensource.atlassian.com/projects/hibernate/browse/HHH-2049?page=c...
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Mattias Jiderhamn commented on HHH-2049:
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I have now found that the reason this works fine using INNER_JOIN is that the methods
org.hibernate.loader.JoinWalker.initPersisters() and countCollectionPersisters() (the
latter being called from the former) only take LEFT_OUTER_JOINs into account.
Why this is so, and how to change this to fix the problem, I have yet to understand.
LEFT OUTER JOIN subcriteria filters children
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Key: HHH-2049
URL:
http://opensource.atlassian.com/projects/hibernate/browse/HHH-2049
Project: Hibernate3
Type: Bug
Components: query-criteria
Versions: 3.1.3, 3.2.0.cr4
Environment: Hibernate 3.1.3/3.2.0rc4, hsqldb 1.8
Reporter: Mattias Jiderhamn
Attachments: SubCriteriaTestCase.zip
When using the Criteria API with LEFT OUTER JOIN to add criterias to the children, i.e.
criteria.createCriteria("children", JoinFragment.LEFT_OUTER_JOIN)
the child collections will only contain those children matching the criteria. (Even when
*not* using any Filters).
The attached testcase (also found here:
http://forum.hibernate.org/viewtopic.php?p=2320786) will explain it in more detail.
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