-- -- content_type__unregister_child_type/3 -- create or replace function content_type__unregister_child_type( character varying, character varying, character varying ) returns int4 as $$ declare unregister_child_type__parent_type alias for $1; unregister_child_type__child_type alias for $2; unregister_child_type__relation_tag alias for $3; -- default null begin delete from cr_type_children where parent_type = unregister_child_type__parent_type and child_type = unregister_child_type__child_type and relation_tag = unregister_child_type__relation_tag; return 0; end;$$ language plpgsql;