-- -- content_type__unregister_relation_type/3 -- create or replace function content_type__unregister_relation_type( character varying, character varying, character varying ) returns int4 as $$ declare unregister_relation_type__content_type alias for $1; unregister_relation_type__target_type alias for $2; unregister_relation_type__relation_tag alias for $3; -- default null begin delete from cr_type_relations where content_type = unregister_relation_type__content_type and target_type = unregister_relation_type__target_type and relation_tag = unregister_relation_type__relation_tag; return 0; end;$$ language plpgsql;