Bug 210507 Enhance Report engine to support multiple view
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/ir/EngineIRReader.java
grid.addColumn( column );
				}
				break;
			default :
				readReportItemField( in, grid, fieldType );
		}
	}
	protected void readColumn( DataInputStream in, ColumnDesign column )
			throws IOException
	{
		while ( in.available( ) > 0 )
		{
			short fieldType = IOUtil.readShort( in );
			readColumnField( in, column, fieldType );
		}
	}
	protected void readColumnField( DataInputStream in, ColumnDesign column,
			short fieldType ) throws IOException
	{
		switch ( fieldType )
		{
			case FIELD_IS_COLUMN_HEADER :
				boolean isColumnHeader = IOUtil.readBool( in );
				column.setColumnHeaderState( isColumnHeader );
				break;
			case FIELD_WIDTH :
				DimensionType width = readDimension( in );
				column.setWidth( width );
				break;
			case FIELD_SUPPRESS_DUPLICATE :