Bug 191627 [Regression]Exception occurs when first preview the joint dataset[0706]
Description: [Regression]Exception occurs when preview the flatfile and sampledb joint dataset[0706] Build number: 2.2.0.v20070608-0630 Steps to reproduce: 1, New a flatfile dataset 2, New a CUSTOMER dataset 3, Join two datasets with STATE column 4, Preview in dataset Expected result: Preview successfully Actual result: Exception occurs Error log: A BIRT exception occurred. Plug-in Provider:Eclipse.org Plug-in Name:BIRT Data Engine Plug-in ID:org.eclipse.birt.data Version:2.2.0.v20070607-1421 Error Code:data.engine.ColumnBindingReferToInexistColumn Error Message:Column binding "Employee::CUSTOMERNUMBER" has referred to a data set column "Employee::CUSTOMERNUMBER" which is not exist.
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/impl/PreparedJointDataSourceQuery.java
/**
	 * Constructor.
	 * 
	 * @param dataEngine
	 * @param queryDefn
	 * @param dataSetDesign
	 * @param appContext
	 * @throws DataException
	 */
	PreparedJointDataSourceQuery( DataEngineImpl dataEngine,
			IQueryDefinition queryDefn, IBaseDataSetDesign dataSetDesign,
			Map appContext ) throws DataException
	{
		super( dataEngine, queryDefn, dataSetDesign, appContext );
		Object[] params = {
				dataEngine, queryDefn, dataSetDesign, appContext
		};
		logger.entering( PreparedJointDataSourceQuery.class.getName( ),
				"PreparedJointDataSourceQuery",
				params );
		
		this.dataEngine = dataEngine;
		this.dataSetDesign = dataSetDesign;
		this.appContext = appContext;
		this.parameterBindings = queryDefn.getInputParamBindings( );
		logger.exiting( PreparedJointDataSourceQuery.class.getName( ),
				"PreparedJointDataSourceQuery" );
	}
	/**
	 * Initialize the instance. The method includes heavyweight operations