[Hibernate-issues] [Hibernate-JIRA] Commented: (HB-461) Mapping of formula-based properties

[<leg...@at...>]

The following comment has been added to this issue:

     Author: Michail Jekimov
    Created: Thu, 6 Nov 2003 10:42 AM
       Body:
Addition: the described property mapping is situated in the following context:

<class ...>
...
   <subclass ...>
      ...
      <component ...>
         ...
         <component ...>
            <property name="value" formula="myfunc(VALUE)"/>
            ...
         </component>
         ...
      </component> 
      ...
   </subclass>
...
</class>
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  http://opensource.atlassian.com/projects/hibernate/secure/ViewIssue.jspa?key=HB-461


Here is an overview of the issue:
---------------------------------------------------------------------
        Key: HB-461
    Summary: Mapping of formula-based properties
       Type: Bug

     Status: Unassigned
   Priority: Major

    Project: Hibernate2
 Components: 
             core
   Versions:
             2.1

   Assignee: 
   Reporter: Michail Jekimov

    Created: Thu, 6 Nov 2003 10:35 AM
    Updated: Thu, 6 Nov 2003 10:35 AM
Environment: JDK 1.4, WinXP Professional, Tomcat 4.1

Description:
When I try to define a mapping with a formula-based property I get the following exception:

net.sf.hibernate.MappingException: property mapping has wrong number of columns: net.sf.hibernate.mapping.Subclass.history
at net.sf.hibernate.mapping.PersistentClass.validate(PersistentClass.java:237)
at net.sf.hibernate.cfg.Configuration.validate(Configuration.java:555)
at net.sf.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:712)
...

The property mapping looks like:

<property name="value" formula="myfunc(VALUE)"/>

This happens with Hibernate 2.1 beta 6. When I change the mapping to

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

everything works.


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