Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com> writes:
> Hello
> I found a plpgsql bug:
> create or replace function fx()
> returns void as $$
> declare a int; b int;
> begin
> select 10,20 into a;
> end;
> $$ language plpgsql;
> this is bug, or minimally potential source of strange behave.
AFAICS this is intentional --- see the comment in exec_move_row.
In any case, I think tightening it up is more likely to break working
applications than do anything helpful.
regards, tom lane