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
QueryDefinition queryDefinition = new QueryDefinition( );
		queryDefinition.setDataSetName( dataSetName );
		setParameterBindings( dataEngine,
				dataSetName,
				isLeftDataSet,
				queryDefinition );
		for ( int i = 0; i < conditions.size( ); i++ )
		{
			addSortToQuery( (IJoinCondition) conditions.get( i ),
					isLeftDataSet,
					queryDefinition );
		}
		IPreparedQuery preparedQuery = PreparedQueryUtil.newInstance( dataEngine,
				queryDefinition,
				appContext );
		try
		{
			return preparedQuery.execute( null );
		}
		catch ( BirtException e )
		{
			throw DataException.wrap( e );
		}
	}
	/**
	 * 
	 * Concrete class of DSQueryExecutor used in PreparedExtendedDSQuery
	 * 
	 */
	private class JointDataSetQueryExecutor extends DSQueryExecutor