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From "Craig Russell (JIRA)" <j...@apache.org>
Subject [jira] Commented: (JDO-403) JDO2 Annotations
Date Tue, 03 Jul 2007 02:05:04 GMT

    [ https://issues.apache.org/jira/browse/JDO-403?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12509731
] 

Craig Russell commented on JDO-403:
-----------------------------------

One point to clarify regarding table, catalog, schema.

With xml metadata, table, catalog, and schema appear together in the jdo, package, class and
interface elements. This allows the table to be defined using an arbitrary schema and catalog.


But then, table appears without catalog and schema in property, field, join, key, value, element,
index, and unique. This would imply that the table referenced by these elements must be in
the same catalog and schema as the corresponding class or interface in which they are embedded.


If catalog and schema are not specified, the table name itself is [[[database.] catalog.]
schema.] table. 

Looking at annotations, we have @Table, @SecondaryTable, @JoinTable with nothing in them save
their name, catalog, and schema. I'm wondering what these annotations are for?

> JDO2 Annotations
> ----------------
>
>                 Key: JDO-403
>                 URL: https://issues.apache.org/jira/browse/JDO-403
>             Project: JDO
>          Issue Type: New Feature
>          Components: api2
>    Affects Versions: JDO 2 final
>            Reporter: Andy Jefferson
>            Assignee: Michelle Caisse
>             Fix For: JDO 2 maintenance release 1
>
>         Attachments: embedded.patch, fkpk.patch, jdo_2_1_annotations.jar
>
>
> It would be desirable for JDO2 to have its own set of annotations. We have developed
a set within JPOX that would likely serve as a starting point for such a set. In my opinion
they should be
> 1. Split into javax.jdo.annotations.jdo and javax.jdo.annotations.orm
> 2. Move ORM attributes from some of the JDO annotations and have a ORM annotation.

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