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From "Michael Bouschen (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (JDO-682) Change datastore-identity strategy for shoppingcart pc classes
Date Sat, 18 Feb 2012 17:59:59 GMT

     [ https://issues.apache.org/jira/browse/JDO-682?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Michael Bouschen updated JDO-682:
---------------------------------

    Attachment: JDO-682.patch

The attached patch JDO-682.patch changes the schema datastoreidentity/schema8.sql to create
a sequence and the mapping package-standard8.orm of the shoppingcart pc classes to use a sequence.

See http://www.datanucleus.org/servlet/jira/browse/NUCRDBMS-581 for the corresponding DN support.
                
> Change datastore-identity strategy for shoppingcart pc classes
> --------------------------------------------------------------
>
>                 Key: JDO-682
>                 URL: https://issues.apache.org/jira/browse/JDO-682
>             Project: JDO
>          Issue Type: Improvement
>          Components: tck
>    Affects Versions: JDO 3 (3.0)
>            Reporter: Michael Bouschen
>            Assignee: Michael Bouschen
>             Fix For: JDO 3 maintenance release 1 (3.1)
>
>         Attachments: JDO-682.patch
>
>
> The datastoreidentity "detach" test use the shoppingcart pc classes. They are mapped
using the datastore identity strategy increment (see package-standard8.orm):
>   <datastore-identity strategy="increment" column="DATASTORE_ID"/>
> The strategy should be changed to sequence to avoid creating schema dynamically. With
the sequence strategy the name of the sequence can be specified in the metadata. This allows
to create the sequence table as part of the schema creation phase. The tck is designed to
craete the entire schema upfront, such that a JDO implementaion w/o dynamic schema creation/modification
is able to pass the tck. 
> The goal is to avoid using the increment strategy pending resolution of requirements
for increment.

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