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Below is the workaround for this issue:
Custom ClassicCountFunction:
public class CustomClassicCountFunction extends CountFunction {
public DMClassicCountFunction() { super(); }
@Override
public Type getReturnType(Type columnType, Mapping mapping) { return StandardBasicTypes.INTEGER; }
}
Classic configuration:
Configuration classicCfg = new Configuration();
classicCfg.addSqlFunction( "count", new CustomClassicCountFunction());
classicCfg.addSqlFunction( "avg", new ClassicAvgFunction());
classicCfg.addSqlFunction( "sum", new ClassicSumFunction());
SessionFactory classicSf = classicCfg.buildSessionFactory();
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