[jira] Created: (OPENJPA-1035) JPA2 Query allow map key/value path as argument of scalar functions

[Catalina Wei (JIRA)]

JPA2 Query allow map key/value path as argument of scalar functions
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                 Key: OPENJPA-1035
                 URL: https://issues.apache.org/jira/browse/OPENJPA-1035
             Project: OpenJPA
          Issue Type: Sub-task
          Components: query
    Affects Versions: 2.0.0
            Reporter: Catalina Wei


JPA2 query syntax allows path that navigate thru map key or value to appear as 
argument to scalar functions.
Examples:

     select CONCAT(KEY(p).name, 'xyz') from Employee e, 
             in (e.phones) p WHERE SUBSTRING(KEY(p).name, 2) like '%2'

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