[pgrouting-users] ERROR: function startpoint(geometry) does not exist

[Stephen Woodbridge]

Right you are using postgis 2.0 and the tutorial was written for postgis 
1.5.x

You might solve some of these problems but installing legacy.sql.
google: postgis 2.0 legacy.sql

-steve

On 3/12/2013 1:56 PM, maruf rahman wrote:
> Hi
> I am in section 5.2 of thistutorial  <http://workshop.pgrouting.org/chapters/topology.html>.
>
> When i run this command
>
>
> /*
> SELECT*//*  assign_vertex_id('ways',  0.00001,  'the_geom',  'gid'*//*);*/
>
>
>
> i get the following error/*
>
> pgrouting-workshop=# SELECT assign_vertex_id('ways', 0.00001, 'the_geom', 'gid');
> NOTICE:  CREATE TABLE will create implicit sequence "vertices_tmp_id_seq" for serial column "vertices_tmp.id  <http://vertices_tmp.id>"
>
>
> CONTEXT:  SQL statement "CREATE TABLE vertices_tmp (id serial)"
> PL/pgSQL function "assign_vertex_id" line 15 at EXECUTE statement
> ERROR:  function startpoint(geometry) does not exist
> LINE 1: SELECT gid AS id, StartPoint(the_geom) AS source, EndPoint(t...
>
>
>                            ^
> HINT:  No function matches the given name and argument types. You might need to add explicit type casts.
> QUERY:  SELECT gid AS id, StartPoint(the_geom) AS source, EndPoint(the_geom) as target FROM ways
>
>
> CONTEXT:  PL/pgSQL function "assign_vertex_id" line 27 at FOR over EXECUTE statement
> pgrouting-workshop=#
>
> */
>
> Seems like I am missing the startpoint(geometry) function.
>
>
> How can I fix this?
>
> Thanks
>
> Maruf
>
>
>
>
>
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