Re: [HACKERS] current_time?

On Wed, 20 Oct 1999, Tom Lane wrote:

> Vince Vielhaber <vev(at)michvhf(dot)com> writes:
> > Now I thought this was discussed recently and this:
> > create table foo(
> > x int,
> > y datetime default current_time);
> > would put the current date and time into y whenever a new record was
> > inserted. It appears to give the date and time the stupid table was
> > created. Is it me or is something broke?
>
> The behavior for this was changed very recently. Since current sources
> refuse the above:
>
> regression=> create table foo(
> regression-> x int,
> regression-> y datetime default current_time);
> ERROR: Attribute 'y' is of type 'datetime' but default expression is of type 'time'
> You will need to rewrite or cast the expression
>
> I am guessing you are trying it with 6.5.*, where indeed you will likely
> get the time of table creation. Recommended approach is
> y datetime default now()
> which works the way you want in all Postgres versions AFAIK.

This works. I had tried something earlier (during the thread a couple
weeks back) DEFAULT TEXT 'now' which didn't work at all for me. A
little playing and I just now figured out why it didn't work.. When I
tried that I had y as a text field - which only put a 'now' in it so I
was avoiding using now under the assumption that it wouldn't work.

Vince.
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