INSERT INTO survey_types (survey_type) VALUES ('marking');

CREATE TABLE waterway.sounding_results_marking_points (
   sounding_result_id int NOT NULL REFERENCES waterway.sounding_results
     ON DELETE CASCADE,
   height numeric NOT NULL,
   points geography(MULTIPOINT, 4326) NOT NULL,
   PRIMARY KEY (sounding_result_id, height)
);

GRANT INSERT, UPDATE, DELETE ON waterway.sounding_results_marking_points
  TO waterway_admin;

GRANT SELECT ON waterway.sounding_results_marking_points
  TO waterway_user;