[hibernate-issues] [Hibernate-JIRA] Commented: (HHH-6381) using @SecondaryTable with optional=true not handled for joined subclasses (@Inheritance(strategy = InheritanceType.JOINED)
David Mansfield (JIRA)
noreply at atlassian.com
Wed Jul 6 09:42:53 EDT 2011
[ http://opensource.atlassian.com/projects/hibernate/browse/HHH-6381?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=42781#action_42781 ]
David Mansfield commented on HHH-6381:
--------------------------------------
I have a 3.6 based version in my local git. I'll push a 3.6.x branch based version onto github shortly and create the pull request.
> using @SecondaryTable with optional=true not handled for joined subclasses (@Inheritance(strategy = InheritanceType.JOINED)
> ---------------------------------------------------------------------------------------------------------------------------
>
> Key: HHH-6381
> URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-6381
> Project: Hibernate Core
> Issue Type: Bug
> Components: core
> Affects Versions: 3.6.5, 4.0.0.Beta2
> Environment: linux, jdk 1.6, hibernate latest from master, oracle 11gr2
> Reporter: David Mansfield
> Assignee: Hardy Ferentschik
>
> When using a _ at SecondaryTable(name="xx")_, set to optional using _ at org.hibernate.annotations.Table(name="xx",optional=true)_ the documentation states that the secondary table row will only be populated if any one of the properties mapped to the secondary table are not-null. However, this does not work with joined subclasses using the _JoinedSubclassEntityPersister_. This is because, internally, the boolean which controls "outer joinability" (called _isNullableTable_) always returns _false_.
> A fix has been tested which will be put into a github pull request.
> The fix implements _isNullableTable_ to honor the optional flag.
> Unfortunately, there is no way I could find to really test whether the code is working, as it requires examining the SQL generated for various operations. However, I have manually verified the fix. Please look at the output of the _JoinedSubclassAndSecondaryTable_ test, which has been modified as well, to verify the DML statements.
> Fix available for 3.6.5 upon request. github pull will be for 4.0 (master).
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