Merge pull request #236 from QGEP/2024-06-19-add-view-blank_connection

Create vw_reaches_with_blank_connections.sql

view/additional_views/vw_reaches_with_blank_connections.sql

@@ -0,0 +1,21 @@
+DROP VIEW IF EXISTS qgep_od.vw_reaches_with_blank_connections;
+
+
+--------
+-- View that shows all reaches with blank connections (Blindanschlüsse). Can be used for visualisation
+-- Author Urs Kaufmann 19.6.2024
+--------
+
+CREATE OR REPLACE VIEW qgep_od.vw_reaches_with_blank_connections AS
+
+SELECT re.obj_id,
+re.progression_geometry,
+ch.function_hierarchic,
+reto.obj_id AS to_obj_id
+FROM qgep_od.reach re
+LEFT JOIN qgep_od.reach_point rpto ON rpto.obj_id::text = re.fk_reach_point_to::text
+LEFT JOIN qgep_od.wastewater_networkelement neto ON neto.obj_id::text = rpto.fk_wastewater_networkelement::text
+LEFT JOIN qgep_od.reach reto ON reto.obj_id::text = neto.obj_id::text
+LEFT JOIN qgep_od.wastewater_networkelement ne ON ne.obj_id::text = re.obj_id::text
+LEFT JOIN qgep_od.channel ch ON ch.obj_id::text = ne.fk_wastewater_structure::text
+WHERE reto.obj_id IS NOT NULL;