-- -- acs_mail_multipart__multipart_p/1 -- create or replace function acs_mail_multipart__multipart_p( integer ) returns bool as $$ declare p_object_id alias for $1; v_check_multipart_id integer; begin select count(multipart_id) into v_check_multipart_id from acs_mail_multiparts where multipart_id = p_object_id; if v_check_multipart_id <> 0 then return 't'; else return 'f'; end if; end; $$ language plpgsql;