[hibernate-issues] [Hibernate-JIRA] Commented: (HHH-2139) Iterating a joined-subclass query

[Flavio Suguimoto (JIRA)]

    [ http://opensource.atlassian.com/projects/hibernate/browse/HHH-2139?page=comments#action_24762 ] 

Flavio Suguimoto commented on HHH-2139:
---------------------------------------

The test case is:

		Query query = session.createQuery("from Activation activation where activation.class = Activation ");
		List activation = IteratorUtils.toList(query.iterate());


All the files are attached to the issue. If you need more codes, please let me know...

> Iterating a joined-subclass query
> ---------------------------------
>
>          Key: HHH-2139
>          URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2139
>      Project: Hibernate3
>         Type: Bug

>   Components: query-hql
>     Versions: 3.1.3
>  Environment: Hibernate 3.1.3, PostrgreSQL 8.0.3
>     Reporter: Flavio Suguimoto
>     Priority: Minor
>  Attachments: Activation.hbm.xml, Activation.java, ActivationSMS.java
>
>
> In a joined-subclass structure when trying to use query.iterate(), to use cache and lazy, hibernate translate the query "from Activation activation where activation.class = Activation" to an mal-formed SQL query. The SQL query string that it creates is "select activation0_.id as col_0_0_ from activation activation0_ where case when activation0_1_.fk_id_activation is not null then 1 when activation0_.id is not null then 0 end=0".

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