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From "Alexis Midon (JIRA)" <j...@apache.org>
Subject [jira] Created: (ODE-671) clean up queries in HLargeData are too broad
Date Sat, 03 Oct 2009 04:18:23 GMT
clean up queries in HLargeData are too broad

                 Key: ODE-671
                 URL: https://issues.apache.org/jira/browse/ODE-671
             Project: ODE
          Issue Type: Bug
            Reporter: Alexis Midon

(Regression presumably introduced by ODE-641)

The clean up queries executed in ProcessDaoImpl#deleteMessages might return some null values.
These null values are then used in a IN operator, which Derby does not like at all. The query
hangs on for ever, no timeout, no warning, nothing.

For instance: 

deleteByIds(HLargeData.class, getSession().getNamedQuery(HLargeData.SELECT_MEX_LDATA_IDS_BY_INSTANCES_1).setParameterList("instances",

a. HLargeData#SELECT_MEX_LDATA_IDS_BY_INSTANCES_1 = select m.messageData.id from HMessage
m where m.messageExchange.instance in (:instances) 
  This returns a list of null values
b. deleteByIds executes: delete HLargeData where id in(null, null, null), which hangs on for

The fix is to add a 'is not null' clause in a.

I used the following Derby properties to gather information.

-Dderby.drda.traceAll=true -Dderby.locks.monitor=true -Dderby.language.logStatementText=true
-Dderby.stream.error.field=java.lang.System.err -Dderby.stream.error.logSeverityLevel=0 -Dderby.locks.deadlockTimeout=3

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