[jboss-user] [Persistence, JBoss/CMP, Hibernate, Database] - Hibernate 3.2 aggregation functions change

[mraben]

Hi everyone,

Hibernate3.2 Migration Guide http://www.hibernate.org/250.html#A42
mentions "Changed aggregation (count, sum, avg) function return types".

To use the classic pre Hibernate 3.2 aggregation functions, the following help is given:

----
If you cannot change to the JPA compliant type handling the following code can be used to provide "classic" Hibernate behavior for HQL aggregation.

Configuration classicCfg = new Configuration();
classicCfg.addSqlFunction( "count", new ClassicCountFunction());
classicCfg.addSqlFunction( "avg", new ClassicAvgFunction());
classicCfg.addSqlFunction( "sum", new ClassicSumFunction());
SessionFactory classicSf = classicCfg.buildSessionFactory();
----

Is something like this also possible in declarative instead of programmatic configuration?

My Hibernate configuration is deployed in JBoss AS 4.0.5 via a har archive, and i don´t know, how to switch to the old aggregation functions there.

Thanks for your help.

Markus

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