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From "roger.keays" <roger.ke...@ninthavenue.com.au>
Subject Re: [VOTE] JOIN in subselect problems
Date Wed, 14 Mar 2007 00:46:43 GMT

Hi Marc,

Marc Prud wrote:
> 
> The query looks valid: it sounds like a pretty clear-cut bug. Can you  
> file a JIRA?
> 
I've filed issue 173: https://issues.apache.org/jira/browse/OPENJPA-173


> As for a workaround, is there an inverse from MailingList.subscribers  
> (e.g., "Email.mailingList")? If so, then you might be able to re-cast  
> the query as:
> 
>      UPDATE Email e SET e.totalDeliveries = e.totalDeliveries + 1
>        WHERE e.email IN (
>          SELECT m.email FROM Email m where m.mailingList IS NOT NULL)
> 
I have an inverse many-to-many relationship, but unfortunately your
workaround would still require a JOIN for what I need to do (the query I
posted was a simple version of what I actually need).

Thanks for your help,

Roger



> On Mar 13, 2007, at 2:04 AM, roger.keays wrote:
> 
>>
>> Is there anything wrong with the following query?
>>
>>     UPDATE Email e SET e.totalDeliveries = e.totalDeliveries + 1
>>     WHERE e.email IN (
>>         SELECT m.email FROM MailingList l JOIN l.subscribers m)
>>
>> OpenJPA (0.9.6) parses this correctly, but can't seems to be  
>> missing the
>> JOIN clause or some table names from the generated SQL:
>>
>>  org.apache.openjpa.lib.jdbc.ReportingSQLException: ERROR: syntax  
>> error at
>> or near "WHERE" {prepstmnt 27475707 UPDATE FB_EMAILS SET  
>> totalDeliveries =
>> (totalDeliveries + ?) WHERE email IN (SELECT DISTINCT t2.email FROM  
>> WHERE
>> (t2.email IN (SELECT t3.email FROM FB_EMAILS t3 WHERE t0.id = t1.id  
>> AND
>> t1.subscribers_email = t3.email))) [params=(long) 1]} [code=0,  
>> state=42601]
>>
>>
>> org.apache.openjpa.lib.jdbc.LoggingConnectionDecorator.wrap 
>> (LoggingConnectionDecorator.java:188)
>>
>> org.apache.openjpa.lib.jdbc.LoggingConnectionDecorator.access$800 
>> (LoggingConnectionDecorator.java:53)
>>
>> org.apache.openjpa.lib.jdbc.LoggingConnectionDecorator 
>> $LoggingConnection$LoggingPreparedStatement.executeUpdate 
>> (LoggingConnectionDecorator.java:854)
>>
>> org.apache.openjpa.lib.jdbc.DelegatingPreparedStatement.executeUpdate( 
>> DelegatingPreparedStatement.java:266)
>>
>> org.apache.openjpa.lib.jdbc.DelegatingPreparedStatement.executeUpdate( 
>> DelegatingPreparedStatement.java:266)
>>
>> org.apache.openjpa.jdbc.kernel.JDBCStoreManager 
>> $CancelPreparedStatement.executeUpdate(JDBCStoreManager.java:1360)
>>
>> org.apache.openjpa.jdbc.kernel.JDBCStoreQuery.executeBulkOperation 
>> (JDBCStoreQuery.java:491)
>>
>> org.apache.openjpa.jdbc.kernel.JDBCStoreQuery.executeUpdate 
>> (JDBCStoreQuery.java:420)
>>
>> org.apache.openjpa.kernel.ExpressionStoreQuery 
>> $DataStoreExecutor.executeUpdate(ExpressionStoreQuery.java:685)
>>
>> org.apache.openjpa.datacache.QueryCacheStoreQuery 
>> $QueryCacheExecutor.executeUpdate(QueryCacheStoreQuery.java:343)
>>     org.apache.openjpa.kernel.QueryImpl.update(QueryImpl.java:1028)
>>     org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:793)
>>     org.apache.openjpa.kernel.QueryImpl.updateAll(QueryImpl.java:868)
>>     org.apache.openjpa.kernel.QueryImpl.updateAll(QueryImpl.java:864)
>>
>> org.apache.openjpa.kernel.DelegatingQuery.updateAll 
>> (DelegatingQuery.java:560)
>>
>> org.apache.openjpa.persistence.QueryImpl.executeUpdate 
>> (QueryImpl.java:304)
>>
>> Thanks,
>>
>> Roger
>> -- 
>> View this message in context: http://www.nabble.com/JOIN-in- 
>> subselect-problems-tf3394694.html#a9450588
>> Sent from the open-jpa-dev mailing list archive at Nabble.com.
>>
> 
> 
> 

-- 
View this message in context: http://www.nabble.com/JOIN-in-subselect-problems-tf3394694.html#a9466594
Sent from the open-jpa-dev mailing list archive at Nabble.com.


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