new version from urs

#59

datamodel/app/view/vw_change_points.sql

@@ -1,16 +1,18 @@
-CREATE VIEW tww_app.vw_change_points AS
-SELECT
-  rp_to.obj_id,
-  rp_to.situation3d_geometry::geometry(POINTZ, {SRID}) AS geom,
-  re.material <> re_next.material AS change_in_material,
-  re.clear_height <> re_next.clear_height AS change_in_clear_height,
-  (rp_from.level - rp_to.level) / re.length_effective - (rp_next_from.level - rp_next_to.level) / re_next.length_effective AS change_in_slope
+CREATE OR REPLACE VIEW tww_app.vw_change_points
+AS
+SELECT ne_node.obj_id,
+node.situation3d_geometry AS geom,
+re.material <> re_next.material AS change_in_material,
+re.clear_height <> re_next.clear_height AS change_in_clear_height,
+(rp_from.level - rp_to.level) / re.length_effective - (rp_next_from.level - rp_next_to.level) / re_next.length_effective AS change_in_slope
 FROM tww_od.reach re
-LEFT JOIN tww_od.reach_point rp_to ON rp_to.obj_id = re.fk_reach_point_to
-LEFT JOIN tww_od.reach_point rp_from ON rp_from.obj_id = re.fk_reach_point_from
-LEFT JOIN tww_od.reach re_next ON rp_to.fk_wastewater_networkelement = re_next.obj_id
-LEFT JOIN tww_od.reach_point rp_next_to ON rp_next_to.obj_id = re_next.fk_reach_point_to
-LEFT JOIN tww_od.reach_point rp_next_from ON rp_next_from.obj_id = re_next.fk_reach_point_from
-LEFT JOIN tww_od.wastewater_networkelement ne ON re.obj_id = ne.obj_id
-LEFT JOIN tww_od.wastewater_networkelement ne_next ON re_next.obj_id = ne_next.obj_id
-WHERE ne_next.fk_wastewater_structure = ne.fk_wastewater_structure
+LEFT JOIN tww_od.reach_point rp_to ON rp_to.obj_id::text = re.fk_reach_point_to::text
+LEFT JOIN tww_od.reach_point rp_from ON rp_from.obj_id::text = re.fk_reach_point_from::text
+LEFT JOIN tww_od.wastewater_networkelement ne_node ON ne_node.obj_id::text = rp_to.fk_wastewater_networkelement::text
+LEFT JOIN tww_od.wastewater_node node ON node.obj_id::text = ne_node.obj_id::text
+LEFT JOIN tww_od.reach_point rp_next_from ON rp_next_from.fk_wastewater_networkelement::text = ne_node.obj_id::text
+LEFT JOIN tww_od.reach re_next ON rp_next_from.obj_id::text = re_next.fk_reach_point_from::text
+LEFT JOIN tww_od.reach_point rp_next_to ON rp_next_to.obj_id::text = re_next.fk_reach_point_to::text
+LEFT JOIN tww_od.wastewater_networkelement ne ON re.obj_id::text = ne.obj_id::text
+LEFT JOIN tww_od.wastewater_networkelement ne_next ON re_next.obj_id::text = ne_next.obj_id::text
+WHERE ne_next.fk_wastewater_structure::text = ne.fk_wastewater_structure::text;