#884 create latest mat view for intersection layer as well

gis/centreline/sql/create_matview_centreline_intersection_point_latest.sql

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+CREATE MATERIALIZED VIEW gis_core.centreline_intersection_point_latest AS
+
+SELECT *
+FROM gis_core.centreline_intersection_point
+WHERE version_date = (SELECT MAX(version_date) FROM gis_core.centreline_intersection_point);
+
+CREATE TRIGGER refresh_trigger
+AFTER INSERT OR UPDATE OR DELETE
+ON gis_core.centreline_intersection_point
+FOR EACH STATEMENT
+EXECUTE PROCEDURE gis_core.centreline_intersection_point_latest_trigger();
+
+CREATE INDEX gis_core_centreline_intersection_point_latest_geom ON gis_core.centreline_intersection_point_latest USING gist (geom);
+
+ALTER MATERIALIZED VIEW gis_core.centreline_intersection_point_latest OWNER TO gis_admins;
+
+GRANT SELECT ON gis_core.centreline_intersection_point_latest TO bdit_humans;
+
+COMMENT ON MATERIALIZED VIEW gis_core.centreline_intersection_point_latest IS 'Materialized view containing the latest version of centreline intersection point, derived from gis_core.centreline_intersection_point.'

gis/centreline/sql/create_matview_intersection_latest.sql

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+CREATE MATERIALIZED VIEW gis_core.intersection_latest AS
+
+SELECT *
+FROM gis_core.intersection
+WHERE version_date = (SELECT MAX(version_date) FROM gis_core.intersection);
+
+CREATE TRIGGER refresh_trigger
+AFTER INSERT OR UPDATE OR DELETE
+ON gis_core.intersection
+FOR EACH STATEMENT
+EXECUTE PROCEDURE gis_core.intersection_latest_trigger();
+
+CREATE INDEX gis_core_intersection_latest_geom ON gis_core.intersection_latest USING gist (geom);
+
+ALTER MATERIALIZED VIEW gis_core.intersection_latest OWNER TO gis_admins;
+
+GRANT SELECT ON gis_core.intersection_latest TO bdit_humans;
+
+COMMENT ON MATERIALIZED VIEW gis_core.intersection_latest IS 'Materialized view containing the latest version of intersection , derived from gis_core.intersection.'

gis/centreline/sql/create_trigger_centreline_intersection_point_latest.sql

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+CREATE OR REPLACE FUNCTION gis_core.centreline_intersection_point_latest_trigger()
+RETURNS trigger
+LANGUAGE 'plpgsql'
+COST 100
+VOLATILE NOT LEAKPROOF SECURITY DEFINER
+AS $BODY$
+BEGIN
+
+REFRESH MATERIALIZED VIEW gis_core.centreline_intersection_point_latest;
+RETURN NULL;
+
+END;
+$BODY$;
+
+ALTER FUNCTION gis_core.centreline_intersection_point_latest_trigger() OWNER TO gis_admins;
+
+COMMENT ON FUNCTION gis_core.centreline_intersection_point_latest_trigger() IS 'Trigger fuction that refreshes the centreline_intersection_point_latest mat view after an update.';

gis/centreline/sql/create_trigger_intersection_latest.sql

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+CREATE OR REPLACE FUNCTION gis_core.intersection_latest_trigger()
+RETURNS trigger
+LANGUAGE 'plpgsql'
+COST 100
+VOLATILE NOT LEAKPROOF SECURITY DEFINER
+AS $BODY$
+BEGIN
+
+REFRESH MATERIALIZED VIEW gis_core.intersection_latest;
+RETURN NULL;
+
+END;
+$BODY$;
+
+ALTER FUNCTION gis_core.intersection_latest_trigger() OWNER TO gis_admins;
+
+COMMENT ON FUNCTION gis_core.intersection_latest_trigger() IS 'Trigger fuction that refreshes the intersection_latest mat view after an update.';