Hello
2011/11/24 Gavin Casey <gpjcasey@googlemail.com>:
> This works in 9.1.1 but seems like a bug to me:
>
> create function xout(_x INTEGER)
> returns integer
> as $$
> begin
> _x = _x * 2;
> return _x;
> end;
> $$ LANGUAGE plpgsql;
>
> select xout(4);
>
> It would not have compiled in version 8.
>
> I came across such a reassignement doing a code review and was surprised it
> compiled.
>
> Is there a reason for the change in behaviour?
>
Read only parameters was confusing for people without knowledge
classic SP languages. Typical programming languages allows it. More
this limit has not real reason in PL/pgSQL and after remove , the
parameters are little bit more usable - try to implement buble sort.
Regards
Pavel Stehule
>
>
