-Messaggio originale-
Da: pgsql-general-ow...@postgresql.org
[mailto:pgsql-general-ow...@postgresql.org] Per conto di Scara Maccai
Inviato: lunedì 2 febbraio 2009 10.36
A: Paolo Saudin; pgsql-general@postgresql.org
Cc: pgsql-general
Oggetto: Re: R: [GENERAL] complex custom aggregate
Paolo Saudin wrote:
For that purpose, a sliding mean calculation I use the following
CREATE TABLE tbl_ayas
(
fulldate timestamp without time zone NOT NULL,
id_1 real, -- temperature
id_2 real, -- pressure
..
CONSTRAINT tbl_ayas_pkey PRIMARY KEY (fulldate)
) WITH
Paolo Saudin wrote:
I use a master table with a fulldate field and filled with sequential dates
to
fill gaps when meteo data is missing.
I'm sorry, I still don't get it: how can you be sure that postgresql won't call
perl_sliding_mean with not-ordered timestamps-data? I don't mean only in
-Messaggio originale-
Da: pgsql-general-ow...@postgresql.org
[mailto:pgsql-general-ow...@postgresql.org] Per conto di Scara Maccai
Inviato: venerdì 30 gennaio 2009 9.36
A: pgsql-general@postgresql.org
Oggetto: [GENERAL] complex custom aggregate function
Hi all,
I have a table like: