[hibernate-issues] [Hibernate-JIRA] Moved: (JPA-21) org.hibernate.session.isDirty() flushes new rows in a Collection which has items mapped with id generator "identity"

[Emre BAKKAL (JIRA)]

     [ http://opensource.atlassian.com/projects/hibernate/browse/JPA-21?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Emre BAKKAL moved HHH-6597 to JPA-21:
-------------------------------------

          Component/s:     (was: annotations)
                           (was: core)
    Affects Version/s:     (was: 3.0 final)
                       1.0.0
                  Key: JPA-21  (was: HHH-6597)
              Project: Java Persistence API  (was: Hibernate Core)

> org.hibernate.session.isDirty() flushes new rows in a Collection which has items mapped with id generator "identity"
> --------------------------------------------------------------------------------------------------------------------
>
>                 Key: JPA-21
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/JPA-21
>             Project: Java Persistence API
>          Issue Type: Bug
>    Affects Versions: 1.0.0
>         Environment: JBoss 5.1, JBoss Seam 2.2.1, Hibernate 3.0, MySql 5.5.11
>            Reporter: Emre BAKKAL
>              Labels: hibernate
>
> If we call org.hibernate.session.isDirty() after we add a new row to a mapped collection in a managed Entity, dirty check forces an id assign and executes an insert.
> I see that this behavior is caused because of my collection items having id generator and mapped with cascade type all, but still it's an unexpected behavior. Shouldn't it return true when it found a new row?
> I couldn't find a workaround for this behavior. I wanted to give user a choice to save the changes or not, if there are changes which have been made.
> Setting FlushMode to NEVER does not help either.
> This behavior prevents using this method for change tracking, and is not compatible with the description of the method..
> Best Regards..

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