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From "Ashish Paliwal (JIRA)" <j...@apache.org>
Subject [jira] Created: (OPENJPA-1116) Annotation Strategy not working
Date Wed, 03 Jun 2009 13:40:07 GMT
Annotation Strategy not working
-------------------------------

                 Key: OPENJPA-1116
                 URL: https://issues.apache.org/jira/browse/OPENJPA-1116
             Project: OpenJPA
          Issue Type: Bug
          Components: jdbc
    Affects Versions: 2.0.0
         Environment: Windows XP,  openjpa-2.0.0 source code
            Reporter: Ashish Paliwal


I had 2 entities, Person and Address where person had id, age, name and address_id and person
had id and city.
I tried to apply the Strategy on Address so that  upon execution of JPQL query "Select p from
Person p" the SQL query fired should make Inner Join rather than the default Left Outer Join.
I created a Strategy class InnerJoinStrategy that makes sure this happens  by overriding the
selectEagerJoin() method and gave @Strategy(value = "somepackage.InnerJoinStrategy" ) in Person
class before getAddress() method.
But unexpectedly, it was still making the LeftOuterJoin rather than the desired InnerJoin.
Upon debugging I found that my strategy was never being called. I debugged further and found
that in AnnotationPersistenceMappingParser class in parseMemberMappingAnnotations() method,
for the case STRAT( which belongs to the Strategy annotation) the strategy value was being
set in ValueMappingInfo, while from RuntimeStrategyInstaller it was being fetched from FieldMappingInfo.
I changed the code to set it in FieldMappingInfo and everything worked fine. 



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