[jira] Work started: (OPENJPA-1944) Extra select statements executed when version column is null.

["Michael Dick (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/OPENJPA-1944?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Work on OPENJPA-1944 started by Michael Dick.

> Extra select statements executed when version column is null. 
> --------------------------------------------------------------
>
>                 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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