Bug 145478 Unable "Select Value" in the Join data set's filter
Step to reproduce: 1.new a join data set(please use the attached file) 2.right click the dataset and click the Edit 3.go to the Filter pane and set a filer 4.click the list of Value1 Actual result: A warning pop up and cant select Value.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/data/ui/util/DataSetProvider.java
private QueryDefinition getQueryDefinition(
			IBaseDataSetDesign dataSetDesign,
			ParamBindingHandle[] bindingParams, int rowsToReturn )
	{
		if ( bindingParams == null || bindingParams.length == 0 )
		{
			return getQueryDefinition( dataSetDesign, rowsToReturn );
		}
		if ( dataSetDesign != null )
		{
			QueryDefinition defn = new QueryDefinition( null );
			defn.setDataSetName( dataSetDesign.getName( ) );
			if ( rowsToReturn > 0 )
			{
				defn.setMaxRows( rowsToReturn );
			}
			for ( int i = 0; i < bindingParams.length; i++ )
			{
				ParamBindingHandle param = bindingParams[i];
				InputParameterBinding binding = new InputParameterBinding( param.getParamName( ),
						new ScriptExpression( param.getExpression( ) ) );
				defn.addInputParamBinding( binding );
			}
			return defn;
		}
		return null;
	}
	/**
	 * 
	 * @param orgColumnNameSet