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From "Lucas Partridge (JIRA)" <j...@apache.org>
Subject [jira] Created: (OPENJPA-1826) Can we have a new type for ignoring values?
Date Thu, 07 Oct 2010 12:37:30 GMT
Can we have a new type for ignoring values?
-------------------------------------------

                 Key: OPENJPA-1826
                 URL: https://issues.apache.org/jira/browse/OPENJPA-1826
             Project: OpenJPA
          Issue Type: Sub-task
          Components: tooling
    Affects Versions: 2.0.0
         Environment: Win XP
            Reporter: Lucas Partridge


When I see the type="text" attribute in a Hibernate property element I would like to be able
to convert that to a <lob/> child element in OpenJPA.

For example, I would like the following line in a Hibernate hbm.xml file:

<property name="value" column="VALUE" type="text"/>

to become the following orm.xml entry:

      <basic name="value">
        <column name="VALUE"/>
        <lob/>
      </basic>

I can get <lob/> by using this in the actions for "property" in migration-actions.xml:

    <promote-attr from="type" to="lob">
      <map-value from="text"  to=""/>
    </promote-attr>

but that will only work if type's value is "text".  It would be great if we could introduce
a new type in migration-actions.xsd: "ignore-value".  We can already ignore elements and attributes,
but not values yet (unless they have particular values like the example above).  Then I could
do something like this:

    <promote-attr from="type" to="lob">
      <ignore-value/>
    </promote-attr>


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