> 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 (OIDS=FALSE); > > [...] > Select perl_sliding_mean(0,0,0,0,'f','t'); > SELECT perl_sliding_mean(0," id_1 ", 8, 6, 'f', 'f') AS numeric), 1) AS > "ayas_temperature", > perl_sliding_mean(1," id_2 ", 8, 6, 'f', 'f') AS numeric), 1) AS > "ayas_pressure" I don't understand: how can you be sure that data is passed to the function ordered by "fulldate"? Thank you. -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
