Re: [HACKERS] Updating column on row update

On Tue, 2009-11-24 at 09:46 +0000, Thom Brown wrote:
> 2009/11/24 Hannu Krosing <hannu(at)2ndquadrant(dot)com>
> On Sun, 2009-11-22 at 18:51 -0500, Tom Lane wrote:
> > Craig Ringer <craig(at)postnewspapers(dot)com(dot)au> writes:
> > > I do think this comes up often enough that a built-in
> trigger "update
> > > named column with result of expression on insert" trigger
> might be
> > > desirable.
> >
> > There's something of the sort in contrib already, I believe,
> though
> > it's so old it still uses abstime :-(
>
>
> What's wrong with abstime ?
>
> it is valid for timestamps up to 2038-01-19 and it's on-disk
> size
> smaller than other timestamp options
>
>
> But it's very very deprecated and could be removed at any time. It's
> been so for years now, and I wouldn't want to *start* using something
> which is deprecated.
>
> Thom

I'd expect it to have an afterlife as a separately maintained type
somewhere for those who care about data sizes, similar other space
savers like ip4 type.

--
Hannu Krosing http://www.2ndQuadrant.com
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