Thanks Jeff,
On Oct 20, 4:51 am, pg...@j-davis.com (Jeff Davis) wrote:
> Also, to take a step back, why do you try to keep the timestamps
> changing like that? Why not store the information you need in the record
> (e.g. insert time as well as the datum) and then compute the result you
> need usin
> An unrestricted update will end up rewriting the whole table.
> It's advisable to run VACUUM afterward, so that the wasted
> space can be reclaimed. What version are you on? Do you have
> autovacuum enabled?
>
> Also, to take a step back, why do you try to keep the
> timestamps changing like
On Wed, 2011-10-19 at 08:03 -0700, alan wrote:
> So I thought I’d just run this once (via cron) every morning.
> BEGIN;
> DROP INDEX data_unique;
> UPDATE data SET datum = (data.datum + interval '24 hours');
> CREATE UNIQUE INDEX data_unique ON public.data USING BTREE
>
Hi
I'm a postgres novice so
I have this fairly simple table
-
device integer not null,
group integer not null,
datum timestamp without time zone not null,
val1 numeric(7,4) not null default 0.000,
val2 numeric(7,4) not null default 0.000
-