[Cartoweb-users] pgdijkstra

[Eggenschwiler Raphael]

Hi everyone.

Can you say me why this example don't run ?

create table test_arc_2(
    id    INTEGER,
    source    INTEGER,
    target    INTEGER,
    cost    FLOAT
);

INSERT INTO test_arc_2(id,source,target,cost) VALUES(10685,13889,13890,10);
INSERT INTO test_arc_2(id,source,target,cost) VALUES(10686,13891,13892,10);
INSERT INTO test_arc_2(id,source,target,cost) VALUES(10687,13893,13894,10);
INSERT INTO test_arc_2(id,source,target,cost) VALUES(10688,13889,13893,10);


SELECT * from shortest_path('SELECT source,id,target,cost FROM
test_arc_2',13889,13894,false,false);

ERROR:  Error computing path: Source vertex not found
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