[jira] [Created] (CAY-2604) Specialization of property API for PK

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

Nikita Timofeev created CAY-2604:
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             Summary: Specialization of property API for PK
                 Key: CAY-2604
                 URL: https://issues.apache.org/jira/browse/CAY-2604
             Project: Cayenne
          Issue Type: Improvement
          Components: cgen
            Reporter: Nikita Timofeev
            Assignee: Nikita Timofeev
             Fix For: 4.2.M1


Properties generated for PK in 4.1 has issues (see CAY-2565), so we need some logic to deal with them.

Instead of using DbPath directly we can make special type of {{Property}} (probably {{IdProperty}}) to make them usable in all cases.

Required cases to handle:
- compatibility with {{dot()}} operator
- in-memory sorting
- in-memory evaluation

My approach is to use special name {{"@id"}} as path for PK. Limitation - it will be unusable with compound PKs. 





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