"Jaime Casanova" <jcasa...@systemguards.com.ec> writes:
> i don't understand this window function stuff well yet, but AFAIU it
> is like an aggregate function that shows grouped values without
> grouping rows (ok, maybe a very laizy or novice definition) but if
> that is correct or near correct maybe we need to follow the same
> pattern:
> create function -- without any decoration
> create aggregate maybe with a decoration of being window o create
> window aggregate or something similar...
No, we can't really manage this as a variant of CREATE AGGREGATE
--- the information you need to specify to create a window function
is not at all like what you need to specify to create an aggregate.
regards, tom lane
--
Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org)
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-hackers
