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
if ( dataSet.getResultSetHints( ) != null )
			{
				List hintList = dataSet.getResultSetHints( );
				for ( int i = 0; i < hintList.size( ); i++ )
				{
					IColumnDefinition columnDefinition = (IColumnDefinition) hintList.get( i );
					for ( int j = 0; j < projectedColumns.size( ); j++ )
					{
						ResultFieldMetadata resultFieldMetadata = (ResultFieldMetadata) projectedColumns.get( j );
						if ( columnDefinition.getColumnName( )
								.equals( resultFieldMetadata.getName( ) ) )
						{
							resultFieldMetadata.setAlias( columnDefinition.getAlias( ) );
							break;
						}
					}
				}
			}
			ResultClass resultClass = new ResultClass( projectedColumns );
			return new JointResultMetadata( resultClass, columnSource, index );
		}
		catch ( BirtException be )
		{
			throw DataException.wrap( be );
		}
	}
	/**
	 * 
	 * @param dataEngine
	 * @param dataSetDesignName