<span style="color: rgb(51, 102, 255);">Hi everyone.</span><br style="color: rgb(51, 102, 255);"><br style="color: rgb(51, 102, 255);"><span style="color: rgb(51, 102, 255);">Can you say me why this example don't run ?</span>
<br><br>create table test_arc_2(<br> id INTEGER,<br> source INTEGER,<br> target INTEGER,<br> cost FLOAT<br>);<br><br>INSERT INTO test_arc_2(id,source,target,cost) VALUES(10685,13889,13890,10);<br>INSERT INTO test_arc_2(id,source,target,cost) VALUES(10686,13891,13892,10);
<br>INSERT INTO test_arc_2(id,source,target,cost) VALUES(10687,13893,13894,10);<br>INSERT INTO test_arc_2(id,source,target,cost) VALUES(10688,13889,13893,10);<br><br><br>SELECT * from shortest_path('SELECT source,id,target,cost FROM test_arc_2',13889,13894,false,false);
<br><br><span style="color: rgb(255, 0, 0);">ERROR: Error computing path: Source vertex not found</span><br>