[Cartoweb-users] pb dijkstra module

[Oliver Christen]

Hi
do you have one node for both direction or two nodes, one by direction ? As far as I know, the current dijkstra implementation only allow single node. Maybe this is the problem but im not the specialist in this matter.

regards
Oliver
  ----- Original Message ----- 
  From: guillaume champlong 
  To: carto web 
  Sent: Wednesday, June 20, 2007 3:09 AM
  Subject: [Cartoweb-users] pb dijkstra module


  Hi all,

  I am trying to install dijkstra module on postgreSQL 8.0 with debian ;
  after the execution of assign_vertex_id (which works), I have an error msg launching the create_graph function :

  ERREUR:  une clé dupliquée rompt la contrainte unique «route500_44_edges_source_key»
  CONTEXT:  instruction SQL «INSERT INTO route500_44_edges (id, source, target) VALUES (944, '671', '703')»


  I don't know where this duplicated key ("clé dupliquée") can come from.

  Can anyone help?
  Thanks
  G.



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