[nhibernate-issues] [JIRA] Commented: (NH-1642) one-to-many collection doesn't work if the child is mapped using table per class

[NHibernate J. <nh...@gm...>]

    [ http://nhjira.koah.net/browse/NH-1642?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18131#action_18131 ] 

Fabio Maulo commented on NH-1642:
---------------------------------

@Tuna or @Kiran
Can you extract a test case without all others stuff (as DAOs, NHibernateHelper etc.) following the link above ?
Thanks.

> one-to-many collection doesn't work if the child is mapped using table per class
> --------------------------------------------------------------------------------
>
>                 Key: NH-1642
>                 URL: http://nhjira.koah.net/browse/NH-1642
>             Project:  NHibernate
>          Issue Type: Sub-task
>          Components: Core
>    Affects Versions:  2.0.1.GA
>            Reporter: Kiran Gawde
>            Priority: Major
>         Attachments: KGTest.rar
>
>
> In the attached example, I have parent object TrafficRuleSet. It contains list of TrafficRule. TrafficRule has a backpointer to TrafficRuleSet. Also, TrafficRule is subclassed from AbstractRule. These are represented with three different tables.
> Now, when you try to retrieve the TrafficRuleSet and associated TrafficRules, it generates following query:
> select * from Traffic_RuleSet where gr.ruleset_id = '3'
> select * from Generic_Rule gr inner join Traffic_Rule tr on gr.rule_id = tr.rule_id where gr.ruleset_id = '3'
> (Note: Above sqls are simplied for clarity.)
> The second sql above is wrong. It should have been:
> select * from Generic_Rule gr inner join Traffic_Rule tr on gr.rule_id = tr.rule_id where tr.ruleset_id = '3'

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