Added comment re. graph variables
@@ -288,6 +288,8 @@ class KgtkQuery(object):
return node1._graph_table
graph = node1.graph
if graph is not None:
+ # TO DO: register these graph variables so we can use them later to disambiguate
+ # graph-table-specific property expressions or rowid() calls on join variables:
graph = graph.name
else:
graph = self.default_graph
