| From: | Csaba Nagy <nagy(at)ecircle-ag(dot)com> | 
|---|---|
| To: | Chris Boget <chris(at)wild(dot)net> | 
| Cc: | Dustin Sallings <dustin(at)spy(dot)net>, NTPT <ntpt(at)centrum(dot)cz>, Postgres general mailing list <pgsql-general(at)postgresql(dot)org> | 
| Subject: | Re: Touch row ? | 
| Date: | 2004-01-23 16:04:07 | 
| Message-ID: | 1074873847.14313.9.camel@coppola.ecircle.de | 
| Views: | Whole Thread | Raw Message | Download mbox | Resend email | 
| Thread: | |
| Lists: | pgsql-announce pgsql-general | 
On Fri, 2004-01-23 at 16:52, Chris Boget wrote:
> > > is it possible to add column to database, that will automatically 
> > > contain  date+time (or likely Unix timestamp) when the row was 
> > > touched/changed - ie by INSERT or UPDATE ?
> > Yes, a very simple trigger can do this.
> 
> Wouldn't just setting the default value of the field to be NOW() accomplish
> the same thing?  Or can you not default the value of a timestamp field?
No, that would only set the timestamp on INSERT, but not on any UPDATE.
The OP wanted to timestamp all updates too.
Cheers,
Csaba.
> 
> Chris
> 
> 
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