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
{
			GroupSpec group = groups[i];
			if ( groupText.equals( group.getName( ) )
					|| groupText.equals( group.getKeyColumn( ) ) )
			{
				return i + 1; 
			}
		}
		return -1;
	}
	
	/*
	 * @see org.eclipse.birt.data.engine.executor.transform.IExpressionProcessor#getScope()
	 */
	public Scriptable getScope( )
	{
		return this.dataset.getScriptScope( );
	}
	
	/*
	 * @see org.eclipse.birt.data.engine.executor.transform.IExpressionProcessor#setResultSetPopulator(org.eclipse.birt.data.engine.executor.transform.ResultSetPopulator)
	 */
	public void setResultSetPopulator( ResultSetPopulator rsPopulator )
	{
		this.rsPopulator = rsPopulator;
	}
	
	/*
	 * @see org.eclipse.birt.data.engine.executor.transform.IExpressionProcessor#setDataSetMode(boolean)
	 */