Extra select statements executed when version column is null.
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Key: OPENJPA-1944
URL: https://issues.apache.org/jira/browse/OPENJPA-1944
Project: OpenJPA
Issue Type: Bug
Affects Versions: 1.2.2, 2.1.0
Reporter: Michael Dick
Assignee: Michael Dick
Fix For: 2.2.0
This problem was originally reported on the users mailing list by Diego
Cattelan. Link to the thread
:http://openjpa.208410.n2.nabble.com/N-query-problem-with-Version-td6027619.html
The problem occurs if a null value is returned for an entity's version field.
In this case OpenJPA will issue a second select statement to re-fetch the
version, potentially resulting in a lot of repetitive SQL statements.
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