teledb=# create or replace procedure p_goto(v_maxnum integer) as
$$
declare
    maxnum integer;
begin
    maxnum := v_maxnum;
for i in 1..maxnum loop
    if i=3 then
        goto label;
    end if;
    raise notice 'i=%',i;
end loop;
<<label>>
    raise notice 'goto end';
end;
$$
language plpgsql;
CREATE PROCEDURE
teledb=# call p_goto(5);
NOTICE:  i=1
NOTICE:  i=2
NOTICE:  goto end
CALL
teledb=#

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