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https://issues.apache.org/jira/browse/TUSCANY-1815?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12532606
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Amita Vadhavkar commented on TUSCANY-1815:
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Got your point , work in progress.
Regards,
> das.applyChanges will always do insert instead of update if createDataObject
> was used
> -------------------------------------------------------------------------------------
>
> Key: TUSCANY-1815
> URL: https://issues.apache.org/jira/browse/TUSCANY-1815
> Project: Tuscany
> Issue Type: Bug
> Components: Java DAS RDB
> Affects Versions: Java-DAS-beta1, Java-DAS-Next
> Environment: DB2 Iseries
> Reporter: Nick Duncan
> Assignee: Amita Vadhavkar
> Fix For: Java-DAS-Next
>
>
> If I do something like:
> -------------------------------
> DataObject root = das.getCommand("AllAutos").executeQuery();
>
> DataObject dao = root.createDataObject("t_test");
> dao.set("NAME", "NICK");
> dao.set("ID", 100);
>
> das.applyChanges(root);
> -------------------------------------
> There is already a row in the table with primary key 100. ID is defined in
> the config xml as being the primary key, it ignores that ID was set and does
> an insert statement. ID is also defined as an auto generated column.
> Basically I was expecting something like Hibernate's savorOrUpdate... Maybe
> if the field that represents primary key is shown to have been changed in
> the changeSummary, then DAS will figure out what statement to generate.
> Where I'm seeing this being a problem is if we get a dataobject that
> represents a row in the database, and then send it off to a service, we get
> back another object that has been updated, but since it is a different object
> then the DAS will think it should do an update? Merge doesn't seem to
> alleviate this problem either. Please let me know if I am way off base here.
> Thanks
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