(basic/sql_function) script for the documentation

Author: cvvergara

docs/scripts/basic/sql_function/images.sql

@@ -1,60 +1,3 @@
-DROP FUNCTION IF EXISTS wrk_image;
-DROP VIEW IF EXISTS using_vehicle;
-
-CREATE OR REPLACE FUNCTION wrk_image(
-  IN edges_subset REGCLASS,
-  IN source BIGINT,  -- in terms of osm_id
-  IN target BIGINT,  -- in terms of osm_id
-  OUT seq INTEGER,
-  OUT id BIGINT,
-  OUT node BIGINT,
-  OUT source BIGINT,
-  OUT seconds FLOAT,
-  OUT name TEXT,
-  OUT length_m FLOAT,
-  OUT geom geometry,
-  OUT geom_readable TEXT,
-  OUT azimuth_geom FLOAT,
-  OUT route_readable TEXT,
-  OUT route_geom geometry,
-  OUT azimuth FLOAT
-)
-RETURNS SETOF record AS
-$BODY$
-WITH
-results AS (
-  SELECT seq, edge AS id, cost AS seconds,
-  node
-  FROM pgr_dijkstra(
-    'SELECT * FROM ' || edges_subset,
-    source, target)
-),
-additional AS (
-  SELECT
-  seq, id, node, source_osm, seconds,
-  name, length_m,
-  the_geom,
-  ST_AsText(the_geom),
-  degrees(ST_azimuth(ST_StartPoint(the_geom), ST_EndPoint(the_geom))) AS azimuth_geom,
-  CASE
-    WHEN node = source_osm THEN ST_AsText(the_geom)
-          ELSE ST_AsText(ST_Reverse(the_geom))
-    END AS route_readable,
-
-  CASE
-    WHEN node = source_osm THEN the_geom
-          ELSE ST_Reverse(the_geom)
-    END AS route_geom
-
-    FROM results
-    LEFT JOIN ways ON (gid = id)
-)
-SELECT *,
-degrees(ST_azimuth(ST_StartPoint(route_geom), ST_EndPoint(route_geom))) AS azimuth
-FROM additional
-ORDER BY seq;
-$BODY$
-LANGUAGE 'sql';
 
 CREATE OR REPLACE VIEW using_vehicle AS
 SELECT *