[hibernate-issues] [Hibernate-JIRA] Commented: (HBX-1150) hibernate.hbm2ddl.auto update option is enforcing a foreign key constraint for many-to-one mapping with not-found="ignore"

[Rani (JIRA)]

    [ http://opensource.atlassian.com/projects/hibernate/browse/HBX-1150?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=34261#action_34261 ] 

Rani commented on HBX-1150:
---------------------------

closed it, as i was able to find a fix as per the comments in
http://opensource.atlassian.com/projects/hibernate/browse/HBX-494

i.e having foreign-key="none" in a many-to-one could prevent from FK constraints getting created.

> hibernate.hbm2ddl.auto update option is enforcing a foreign key constraint for many-to-one mapping with not-found="ignore"
> --------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HBX-1150
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HBX-1150
>             Project: Hibernate Tools
>          Issue Type: Bug
>    Affects Versions: 3.2.cr1
>         Environment: windows , hsqldb
>            Reporter: Rani
>
> hi,
> i am using dbunit with hibernate for configuring datasets for test cases.
> As part of the test case/suite setup we configure the hsql in memory db and setup the database.
> We have used hibernate.hbm2ddl.auto update. I have few hbm's with many-to-one mappings with the attribute not-found="ignore" . 
> Looks like the the above setting of hbm2ddl to update is enforcing FK constraint.
> Defining the FK constraint for just many-to-one should be okay, but it should not be enforced if the many-to-one mapping has the attribute not-found="ignore".
> The actual database in production does not have any FK constraint. 
> Appreciate if we could get a fix or workaround for the same.

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