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https://issues.apache.org/jira/browse/ODE-628?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Matthieu Riou resolved ODE-628.
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Resolution: Fixed
Fix Version/s: 1.3.3
Assignee: Matthieu Riou
Patch applied. Thanks!
> Some DBMS (like Ingres) don't support update on queries with join, we have to
> use subqueries instead
> ----------------------------------------------------------------------------------------------------
>
> Key: ODE-628
> URL: https://issues.apache.org/jira/browse/ODE-628
> Project: ODE
> Issue Type: Improvement
> Components: BPEL Runtime
> Environment: BPMS 6.0 beta2
> Reporter: Oleg Zenzin
> Assignee: Matthieu Riou
> Fix For: 1.3.3
>
> Attachments: dao-hibernate.patch
>
>
> There's at least one place where we have error during runtime if we use
> Hibernate on Ingres for persistance: class
> org.apache.ode.daohib.bpel.CorrelatorDaoImpl. The query "from
> HCorrelatorSelector as hs where hs.processType = :processType and
> hs.correlator.correlatorId = :correlatorId" used in this class makes
> Hibernate to implicitly generate SQL with join for update.
> Unfortunately some DBMS (like Ingres for instance) do not support update for
> queries with JOIN. The workaround is to exlicitly define HQL with subquery
> instead:
> "from HCorrelatorSelector as hs where hs.processType = :processType and
> hs.correlatorId = (select hc.id from HCorrelator hc where hc.correlatorId =
> :correlatorId)"
> In cases like that we need dynamically define which HQL to use, i.e. we need
> to know which kind of DBMS we are running under. The definitive indicator is
> dialect (instance of org.hibernate.dialect.Dialect) is set for the current
> Session. We don't have possiblity now to access Session properties (all
> indicators are private fields). We should add some indicator which would be
> dynamically accessible for assessment.
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