t
N1
N2
N3
N4
N5
N6
N7
ERROR:  SQL/MM Spatial exception - null argument
ERROR:  SQL/MM Spatial exception - null argument
ERROR:  SQL/MM Spatial exception - null argument
ERROR:  SQL/MM Spatial exception - null argument
ERROR:  SQL/MM Spatial exception - invalid curve
ERROR:  SQL/MM Spatial exception - curve not simple
ERROR:  SQL/MM Spatial exception - non-existent node
ERROR:  SQL/MM Spatial exception - end node not geometry end point.
ERROR:  SQL/MM Spatial exception - start node not geometry start point.
ERROR:  SQL/MM Spatial exception - geometry crosses a node
E1
E2
N1|
N2|
N3|0
N4|
N5|
N6|0
N7|
ERROR:  SQL/MM Spatial exception - not isolated node
ERROR:  SQL/MM Spatial exception - not isolated node
ERROR:  Closed edges would not be isolated, try ST_AddEdgeNewFaces
ERROR:  SQL/MM Spatial exception - not isolated node
ERROR:  SQL/MM Spatial exception - geometry crosses edge 2
Topology 'tt' dropped
