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
{
	private static final String COLUMN_NAME_SPLITTER = "::";
	private static final String TEMP_COLUMN_STRING = ".*$TEMP_.*";
	
	private IJointDataSetDesign dataSet;
	private IDataSetPopulator populator;
	private IResultClass resultClass;
	private ResultIterator left;
	private ResultIterator right;
	private IJoinConditionMatcher matcher;
	private int joinType;
	private DataEngineImpl dataEngine;
	private IBaseDataSetDesign dataSetDesign;
	private Map appContext;
	
	private Collection parameterBindings;
	
	private IQueryResults leftQueryResults;
	private IQueryResults rightQueryResults;