// pivot table
case StreamIDRecord.sid: return new StreamIDRecord(in);
case ViewSourceRecord.sid: return new ViewSourceRecord(in);
case PageItemRecord.sid: return new PageItemRecord(in);
case ViewDefinitionRecord.sid: return new ViewDefinitionRecord(in);
case ViewFieldsRecord.sid: return new ViewFieldsRecord(in);
case DataItemRecord.sid: return new DataItemRecord(in);
case ExtendedPivotTableViewFieldsRecord.sid: return new ExtendedPivotTableViewFieldsRecord(in);
}
return new UnknownRecord(in);