[nhibernate-issues] [JIRA] Created: (NH-1681) Update Join element to support keys with property-refs

[NHibernate J. <nh...@gm...>]

Update Join element to support keys with property-refs
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                 Key: NH-1681
                 URL: http://jira.nhibernate.org/browse/NH-1681
             Project:  NHibernate
          Issue Type: Improvement
          Components: Core
    Affects Versions: 2.1.0.Alpha1
            Reporter: Daniel Guenter
            Priority: Minor
         Attachments: NHibernateJoinPatch.patch

<join> element has typically only supported joining to PK of owning table.  Sometimes this is limiting especially in dealing with legacy databases where multiple unique keys may be present.  It would be nice to be able to specify a property-ref in the <key> element.

Patch included updates functionality to add the aforementioned improvement.  The only caveat is that the column mapped as the property-ref must be marked as unique as well.  This patch is kind of invasive as it has to change major functionality to allow specifying of alternate ID's on save/update/delete and in the join query.  This patch also supports proper exporting of the schema.

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