[hibernate-issues] [Hibernate-JIRA] Commented: (HHH-5371) Add support for REVEND_TSTMP which will enable SQL table partitioning by time

[Adam Warski (JIRA)]

    [ http://opensource.atlassian.com/projects/hibernate/browse/HHH-5371?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=38542#action_38542 ] 

Adam Warski commented on HHH-5371:
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Somehow I stopped receiving email notifications for the issue :/

Anyway, my main question about rationale was why is the timestamp held for the end-revision, rather then the start-revision?
I can see two benefits of using the start-revision:
* it never changes - isn't that a requirement for partitioning?
* it is available in both audit strategies

Also, if the patch fixes some problems with the ValidityAS, I think it should be moved to another issue and another commit.

Adam

> Add support for REVEND_TSTMP which will enable SQL table partitioning by time
> -----------------------------------------------------------------------------
>
>                 Key: HHH-5371
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-5371
>             Project: Hibernate Core
>          Issue Type: New Feature
>          Components: envers
>    Affects Versions: 3.6.0.Beta1
>            Reporter: Matthew B. Jones
>            Assignee: Erik-Berndt Scheper
>         Attachments: HHH-5371-revend_tstmp-documentation-20100908.patch, HHH-5371-revend_tstmp-revised-20100908.patch, revend_tstmp.txt
>
>
> There is strong desire to be able to purge old records out of a relational database by using table partitioning. In order to partition a table, you need to partition it on a column that exists within the table. So, in order to partition the _AUD tables by expired time, the timestamp of REVEND must be present within the table.

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