"Hitoshi Harada" <umi.tanuki@gmail.com> writes:
> In my patch nodeWindow.c, some functions reach for its parent state
> node to get info of sort keys by using fcinfo->context. This works but
> is completely ugly.
Isn't that the same thing nodeAgg does: pass its AggState to aggregate
functions? I don't see anything ugly about it --- at least, any
alternative you care to name is likely to be far worse.
regards, tom lane