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/MultiPassExpressionCompiler.java
if ( nArgs == nFixedArgs + 2 )
		{
			groupExpr = (CompiledExpression) argList.get( nArgs - 1 );
		}
		if ( groupExpr != null && !( groupExpr instanceof ConstantExpression ) )
		{
			DataException e = new DataException( ResourceConstants.INVALID_AGGR_GROUP_EXPRESSION,
					aggr.getName( ) );
			throw e;
		}
		
		Object groupLevelObj;
		Context cx = Context.enter( );
		try
		{
			if ( groupExpr != null )
				groupLevelObj = groupExpr.evaluate( cx, scope );
			else
			{
				String currentGroupName = null;
				if ( this.currentGroupLevelList.size( ) == 0 )
					currentGroupName = this.getScriptExpression( )
							.getGroupName( );
				else
					currentGroupName = this.currentGroupLevelList.get( this.currentGroupLevelList.size( ) - 1 )
							.toString( );
				if ( currentGroupName.equals( TOTAL_OVERALL ) )
					groupLevelObj = new Integer( 0 );
				else
					groupLevelObj = currentGroupName;