[Hibernate-issues] [Hibernate-JIRA] Created: (HHH-170) unidirectional one to many; unique not allowed

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  A new issue has been created in JIRA.

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View the issue:
  http://opensource.atlassian.com/projects/hibernate/browse/HHH-170

Here is an overview of the issue:
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        Key: HHH-170
    Summary: unidirectional one to many; unique not allowed
       Type: Bug

     Status: Unassigned
   Priority: Blocker

 Original Estimate: Unknown
 Time Spent: Unknown
  Remaining: Unknown

    Project: Hibernate3
 Components: 
             core
   Versions:
             3.0 rc 1

   Assignee: 
   Reporter: Michael Pell

    Created: Wed, 2 Mar 2005 5:25 PM
    Updated: Wed, 2 Mar 2005 5:25 PM
Environment: MySql 4.1.9, JDK 1.4.2, Hibernate 3.0 rc1

Description:
http://www.hibernate.org/hib_docs/v3/reference/en/html_single/#assoc-unidirectional-join-12m
 states how to specify a unidirectional 1:M relationship using the following:

<class name="Person">
    <id name="id" column="personId">
        <generator class="native"/>
    </id>
    <set name="addresses" table="PersonAddress">
        <key column="personId"/>
        <many-to-many column="addressId"
            unique="true"
            class="Address"/>
    </set>
</class>


However, Eclipse3.0 complains about the unique property with the following:

Error - attribute "unique" name must be declared for element type "many-to-many"

Here's exactly what's in my mapping xml file:

<set name="addresses" table="person_address">
	<key column="person_id"/>
	<many-to-many column="address_id" unique="true" class="com.netbookings.businessobjects.Address"/>
</set>


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