Andreas Zeugswetter wrote:
> >
> > select func(x), aggfunc(y) group by func
> > CRASHES
> >
>
> I think this should be disallowed syntax. Note that func is a system generated label
> in this case, that's probably why the parser does not complain. The syntax has to be:
>
> select func(x), aggfunc(y) group by func(x); -- or
>
> select func(x) as func, aggfunc(y) group by func;
>
To my knowledge postgres has always allowed this syntax. IMO is seems harmless to
continue. In any case, all of these syntax permutations will crash the backend in using
6.4.
