[nhibernate-issues] [JIRA] Updated: (NH-2100) Entity version updated when no update necessary.

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

     [ http://nhjira.koah.net/browse/NH-2100?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Luke Bakken updated NH-2100:
----------------------------

    Attachment: NH.zip

This set of tests contains examples of how calls to Refresh() in the second transaction can fix this issue.

> Entity version updated when no update necessary.
> ------------------------------------------------
>
>                 Key: NH-2100
>                 URL: http://nhjira.koah.net/browse/NH-2100
>             Project:  NHibernate
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 2.1.2.GA
>            Reporter: Luke Bakken
>            Priority: Major
>         Attachments: NH.zip, NH.zip
>
>
> I have a test case with two classes in a many-to-many relationship. Tests One and Two show failing cases where I would expect the version to not change, test Three shows a case where opening an entirely different session has the expected results.
> Stepping through the NH source I can see that in the failing cases the PersistentBag associated with Class2List in Class1 does not have a populated Snapshot - this is why NH forces the collection to be dirty when the transaction ends. I would expect that adding items to a collection, calling Save() and then Commit() would update the Snapshot collection correctly in this case so a second Session is not necessary.

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