[Hibernate-issues] [Hibernate-JIRA] Closed: (HB-209) FlushMode.AUTO problem in joined subclass hierarchy

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Message:

   The following issue has been closed.

   Resolver: Gavin King
       Date: Sun, 27 Jul 2003 7:34 PM

Thanks!!

This is the worst bug found in SessionImpl for many months!

Now fixed in CVS.
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View the issue:

  http://opensource.atlassian.com/projects/hibernate/secure/ViewIssue.jspa?key=HB-209


Here is an overview of the issue:
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        Key: HB-209
    Summary: FlushMode.AUTO problem in joined subclass hierarchy
       Type: Bug

     Status: Closed
   Priority: Major
 Resolution: FIXED

    Project: Hibernate2
   Fix Fors:
             2.0.2
   Versions:
             2.0.1

   Assignee: Gavin King
   Reporter: Panagiotis Louridas

    Created: Tue, 22 Jul 2003 8:09 AM
    Updated: Sun, 27 Jul 2003 7:34 PM
Environment: RedHat Linux 9.0, JVM 1.4.2

Description:
Suppose we have a class hierarchy 
A <- B <- C.

In my case the class hierarchy is mapped as a joined-subclass hierarchy, but my observations may hold in general.

I use a Session with the default FlushMode setting (FlushMode.AUTO). I open the session, load an object of class B or C, perform some changes on it, do some queries and flush the session. When the session is flushed, only updates for the table pertaining to class A are issued by hibernate. 

If I manually flush just before the queries hibernate performs fine, issuing the proper updates for tables B and C. The same happens when I manually flush at the end of the transaction, after the queries, but having set the Session's flush mode to FlushMode.NEVER. 


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