Bug 210507 Enhance Report engine to support multiple view
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/parser/EngineIRVisitor.java
cell.setDisplayGroupIcon( true );
						return;
					}
				}
			}
		}
		
		RowDesign row = (RowDesign) groupHeader.getContent( 0 );
		if( null != row )
		{
			CellDesign cell = row.getCell( 0 );
			if( null != cell )
			{
				cell.setDisplayGroupIcon( true );
			}
		}
	}
	private boolean hasExpression( TableHandle tableHandle,
			ReportItemDesign item, String keyExpression,
			String columnBindingExpression )
	{
		assert keyExpression != null;
		if ( item instanceof DataItemDesign )
		{
			DataItemDesign data = (DataItemDesign) item;
			String columnBinding = data.getBindingColumn( );
			String value = ExpressionUtil.createJSRowExpression( columnBinding );
			if ( value != null && keyExpression.equals( value.trim( ) ) )
			{
				return true;