[hibernate-issues] [Hibernate-JIRA] Commented: (HHH-2816) DefaultFlushEntityEventListener.checkNaturalId() causes extra SELECTs on read-only entities

[Chris Bredesen (JIRA)]

    [ http://opensource.atlassian.com/projects/hibernate/browse/HHH-2816?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_28020 ] 

Chris Bredesen commented on HHH-2816:
-------------------------------------

This happens when the entity (with natural-id) is read (read-only) and subsequently used in a many-to-one association.  The fix seems to be simply skipping the checkNaturalId() call when the entity is read-only.

> DefaultFlushEntityEventListener.checkNaturalId() causes extra SELECTs on read-only entities
> -------------------------------------------------------------------------------------------
>
>                 Key: HHH-2816
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2816
>             Project: Hibernate3
>          Issue Type: Bug
>          Components: core
>    Affects Versions: 3.2.3, 3.2.4, 3.2.4.sp1, 3.2.5
>            Reporter: Chris Bredesen
>            Assignee: Chris Bredesen
>
> Entities loaded by a read-only query are correctly loaded and no snapshot is stored.  However, the call to checkNaturalId() causes the state to be re-read from the database unnecessarily.

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