Re: [xmlblaster] MySQL Bugs

[Peter Bennett <bencom at bencom.co.nz>]

Greetings

I beleive the difference in the databases is that
MySQL will return one null record for the query
were as postgres returns one empty record...
Thats in the case where the record does not exist.

Most likely a test for null in the routine will fix that bug.

Imagonnatryitnow. :)

Regards


Michele Laghi wrote:
> Hi Peter,
> I installed MySQL 4.1.10 on linux and I believe that mysql still has 
> problems in handling rollbacks (even if the metadata says it supports 
> transactions).
>
> I say that since the following test went wrong:
>
> I have three entries in the DB (lets say entries 2,3,4). I set 
> autocommit to false and make a request where I delete the entries 
> 1,2,3,4,5. This throws (as for the other DBs) an exception. I then make 
> a rollback and delete every single entry individually. In the case of 
> mySql no entry is deleted. That's because they where deleted in the 
> first place ignoring the rollback directive.
>
> So this is a problem. I will have a closer look to it in the next days.
>
> Michele
>
>
> Peter Bennett wrote:
>
> > Greetings
> >
> > Is this meant to happen?
> >
> > Class org.xmlBlaster.test.classtest.AllTests
> >
> > testPeekMsg
> > Failure
> >
> > I_QueueTest.peekMsg(callback:QueuePlugin/peekMsg)[org.xmlBlaster.util.queue.jdbc.JdbcQueueCommonTablePlugin]: 
> > Exception thrown: XmlBlasterException errorCode=[resource.db.unknown] 
> > serverSideException=false node=[xmlBlaster] 
> > location=[JdbcManagerCommonTable.getEntriesBySamePriority] message=[An 
> > unknown error with the backend database using JDBC occurred : 
> > java.sql.SQLException: Syntax error or access violation, message from 
> > server: "You have an error in your SQL syntax near 'select max(prio) 
> > from TEST_ENTRIES where queueName='callback_QueuePluginpeekMsg'' at 
> > line 1"]
> >
> > junit.framework.AssertionFailedError: 
> > I_QueueTest.peekMsg(callback:QueuePlugin/peekMsg)[org.xmlBlaster.util.queue.jdbc.JdbcQueueCommonTablePlugin]: 
> > Exception thrown: XmlBlasterException errorCode=[resource.db.unknown] 
> > serverSideException=false node=[xmlBlaster] 
> > location=[JdbcManagerCommonTable.getEntriesBySamePriority] message=[An 
> > unknown error with the backend database using JDBC occurred : 
> > java.sql.SQLException: Syntax error or access violation, message from 
> > server: "You have an error in your SQL syntax near 'select max(prio) 
> > from TEST_ENTRIES where queueName='callback_QueuePluginpeekMsg'' at 
> > line 1"] at 
> > org.xmlBlaster.test.classtest.queue.I_QueueTest.peekMsg(I_QueueTest.java:605) 
> >
> > at 
> > org.xmlBlaster.test.classtest.queue.I_QueueTest.testPeekMsg(I_QueueTest.java:444) 
> >
> > 1.745