[hibernate-issues] [Hibernate-JIRA] Commented: (HHH-1657) hql update generate wrong sql with joined subclass hierarcy
Peter Lupo (JIRA)
noreply at atlassian.com
Tue Oct 14 21:42:07 EDT 2008
[ http://opensource.atlassian.com/projects/hibernate/browse/HHH-1657?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=31436#action_31436 ]
Peter Lupo commented on HHH-1657:
---------------------------------
Yeah, really. Only queries don't work with joined subclasses. People are moving to other JPA implementations and even other ASs. So, as people can choose other JPA implementations as a workaround, no big deal on this bug. Maybe it could be changed to minor as it only affects hibernate users.
> hql update generate wrong sql with joined subclass hierarcy
> -----------------------------------------------------------
>
> Key: HHH-1657
> URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-1657
> Project: Hibernate Core
> Issue Type: Bug
> Components: query-hql
> Environment: Hibernate 3.2.0cr1, Hibernate 3.1.3
> Reporter: Alexey Romanchuk
> Assignee: Gail Badner
>
> Let suppose that we have two joined subclass entities: Parent (id PK) and Child (id PK) that mapped with joined subclass method.
> When I try to update Child by id with hql:
> update Child c set c.field = 'value' where c.id = 1234
> hibernate generates joined tables like
> insert into HT_parent select child0_.id as id from child child0_ inner join parent child0_1_ on child0_.id=child0_1_.id wher id in = 1234
> look at last condition. hibernate use id WITH OUT tables alias that cause sql exception: column reference "id" is ambiguous
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