With an edgeless graph, we don't "initialize" the edge array in the CSR, because there is nothing to initialize. This caused an error to be thrown when doing the path-finding UDFs but that error was unnecessary.
This PR allows the path-finding to be done on the edgeless graph.
Fixes #163
With an edgeless graph, we don't "initialize" the edge array in the CSR, because there is nothing to initialize. This caused an error to be thrown when doing the path-finding UDFs but that error was unnecessary. This PR allows the path-finding to be done on the edgeless graph.