Bug 165897 [Salesforce Project]Table column lost its data when insert a new column to the right
Reproduce steps: 1. Get and install BIRT Salesforce ODA driver. 2. Download the attached BIRT report design. 3. Insert a new column to the right of Negotiation/Review. 4. Input name as "Month Grand Total" and expression as following: row["Prospecting"]+row["Qualification"]+row["NeedsAnalysis"]+row["ValueProposition"]+row["IdDecisionMakers"]+row["PerceptionAnalysis"]+row["ProposalPriceQuote"]+row["NegotiationReview"] 5. Run the report and Negotiation/Review column lost its data.
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/expression/ExpressionProcessor.java
{
	/**
	 * the available aggregate list in expression processor
	 */
	private List availabeAggrList;
	/**
	 * data set runtime
	 */
	private DataSetRuntime dataset;
	/**
	 * result set populator
	 */
	private ResultSetPopulator rsPopulator;
	/**
	 * is dataset mode or result set mode
	 */
	private boolean isDataSetMode = true;
	/**
	 * resultset iterator
	 */
	private IResultIterator resultIterator;
	/**
	 * base query
	 */
	private BaseQuery baseQuery;
	
	/**
	 * 
	 * @return the instance of ExpressionProcessor