You need to get your query working in psql or pgadmin first and you
should move your pgrouting questions over the the pgrouting list.
I would also recommend that you work your way through a pgrouting
tutorial. If you work through the steps to setup pgrouting and have a
working model then it is trivial to get it to work in mapserver.
Thanks,
-Steve
On 6/11/2012 11:30 PM, Annu Anurag wrote:
Yes sir. That worked. But I'm still getting an error:
msDrawMap(): Image handling error. Failed to draw layer named 'route'.
msPostGISLayerWhichShapes(): Query error. Error executing query: ERROR:
column "source" does not exist LINE 1: SELECT gid AS id, source::int4,
target::int4, length::double... ^ QUERY: SELECT gid AS id, source::int4,
target::int4, length::double precision AS cost FROM edges_line
The error log contains this:
[Tue Jun 12 08:54:34 2012].554731 msPostGISLayerWhichShapes query:
select encode(ST_AsBinary(ST_Force_2D("the_geom"),'NDR'),'hex') as
geom,"gid" from (select b.gid, b.the_geom FROM (SELECT * FROM
shortest_path('SELECT gid AS id, source::int4, target::int4,
length::double precision AS cost FROM edges_line', 50, 210, false,
false)) as a, edges_line as b where a.edge_id=b.gid) AS foo where
the_geom && GeomFromText('POLYGON((-6015.80966101695
-4605.49,-6015.80966101695 4811.71,6544.54966101695
4811.71,6544.54966101695 -4605.49,-6015.80966101695 -4605.49))',-1)
[Tue Jun 12 08:54:34 2012].568295 msPostGISLayerWhichShapes query
status: PGRES_FATAL_ERROR (7)
[Tue Jun 12 08:54:34 2012].568405 Error (msPostGISLayerWhichShapes()
) executing query: ERROR: column "source" does not exist
LINE 1: SELECT gid AS id, source::int4, target::int4, length::double...
^
QUERY: SELECT gid AS id, source::int4, target::int4, length::double
precision AS cost FROM edges_line
[Tue Jun 12 08:54:34 2012].568478 msPostGISLayerWhichShapes(): Query
error. Error executing query: ERROR: column "source" does not exist
LINE 1: SELECT gid AS id, source::int4, target::int4, length::double...
^
QUERY: SELECT gid AS id, source::int4, target::int4, length::double
precision AS cost FROM edges_line
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