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many-to-one relationship to non-PK field

 
Tony Morris
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Posts: 1608
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I'm trying to declare a foreign key relationship between two entities where the type is java.lang.String and the related entity field is not a primary key but is a unique field. If I attempt the same thing, but relating to a primary key field (by leaving off the property-ref attribute which defaults to the id), I have no problem.

I have narrowed down a test case in an attempt to solve this problem but to no avail. The problem is that 'schemaexport' will generate the two tables X and Y but will not create the relationship and I don't understand why (also, why it does the create the relationship when relating to a PK field). I am using the Microsoft type 4 driver for MS SQL Server 2000.

Please find below two source files annotated with XDoclet and corresponding mapping files. Any assistance is most appreciated.







 
It is sorta covered in the JavaRanch Style Guide.
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