}
}
private void glueTopLevel(Worksheet oldws, Workspace workspace, List<HNode> hnodes, RepFactory factory) {
HTable parentHT = oldws.getHeaders();
SuperSelection selection = getSuperSelection(oldws);
HNode newNode = parentHT.addHNode(parentHT.getNewColumnName("Glue"), HNodeType.Transformation, oldws, factory);
newhNodeId = newNode.getId();
outputColumns.add(newhNodeId);
HTable newht = newNode.addNestedTable(newNode.getColumnName(), oldws, factory);
List<HNode> childHNodes = new ArrayList<HNode>();