***UNCHECKED*** [jira] [Created] (CAY-2478) cgen: Generate properties for PK

["Nikita Timofeev (JIRA)" <ji...@apache.org>]

Nikita Timofeev created CAY-2478:
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             Summary: cgen: Generate properties for PK
                 Key: CAY-2478
                 URL: https://issues.apache.org/jira/browse/CAY-2478
             Project: Cayenne
          Issue Type: Improvement
          Components: Modeler, Non-GUI Tools
            Reporter: Nikita Timofeev
             Fix For: 4.1.M3


To use PK in query (in where or order by clause) you need to write custom expressions and that is most likely ugly (something like {{ExpressionFactory.matchDbExp("db:" + Artist.ARTIST_ID_PK_COLUMN, 1)}})

So we may just use Cayenne Property API and generate these properties in cgen tools.

A few things to keep in mind:
 * PK can be compound, in that case there should be several properties
 * PK can be already mapped on ObjAttribute, in that case we shouldn't generate anything
 * PK property naming shouldn't clash with other properties
 * this feature should be optional (or not?)



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