Bug 118592 Report error
please see attached design file.
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/impl/ResultIterator.java
throw e;
		}
		Object exprValue = null;
		
		Object handle = dataExpr.getHandle( );
		if ( handle instanceof CompiledExpression )
		{
			CompiledExpression expr = (CompiledExpression) handle;
			Context cx = Context.enter( );
			Object value = null;
			try
			{
				value = evaluateCompiledExpression( expr, odiResult, cx, scope );
			}
			finally
			{
				Context.exit( );
			}
			try
			{
				exprValue = DataTypeUtil.convert( value, dataExpr.getDataType( ) );
			}
			catch ( BirtException e )
			{
				throw new DataException( ResourceConstants.INCONVERTIBLE_DATATYPE,
						new Object[]{
								value,
								value.getClass( ),
								DataType.getClass( dataExpr.getDataType( ) )
						} );