DROP FUNCTION IF EXISTS x_find_publications( TIMESTAMP WITHOUT TIME ZONE, TIMESTAMP WITHOUT TIME ZONE, DOUBLE precision, DOUBLE precision, DOUBLE precision, DOUBLE precision );
DROP INDEX idx_publication_st_location;
DROP INDEX idx_publication_datetime;
DROP TRIGGER  IF EXISTS trigger_update_postgis_location ON publication;
DROP FUNCTION IF EXISTS xt_update_postgis_location();
DROP TABLE publication;
DROP TYPE publication_visibility;
DROP TYPE publication_type;
