Merge of lazily fetched fields, and merge of managed entities deviates from spec
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                 Key: OPENJPA-1983
                 URL: https://issues.apache.org/jira/browse/OPENJPA-1983
             Project: OpenJPA
          Issue Type: Bug
          Components: jdbc
    Affects Versions: 2.1.0
            Reporter: Pradyumna Achar


Attached is a test case that illustrates this fail (You can place it into 
openjpa-persistence-jdbc/src/test/java/org.apache.openjpa.persistence.merge)

Problem 1: Section 3.2.7.1 (Merging Detached Entity State) of the specification 
says that "The persistence provider must not merge fields marked LAZY that have 
not been fetched: it must ignore such fields when merging.". The attached test 
case illustrates that OpenJPA 2.1.0 does not ignore fields marked LAZY that 
have not been fetched.
Problem 2: In the same section, the specification says "If X is a managed 
entity, it is ignored by the merge operation...". But OpenJPA 2.1.0 doesn't 
seem to ignore them.


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