From: David Garamond <davidgaramond@gmail.com>
To: pgsql-sql@postgresql.org
Subject: Re: autoupdating mtime column
Date: Fri, 4 Aug 2006 22:11:14 +0700
Message-ID: <7c33d060608040811s6dcaa3abia137188076a76781@mail.gmail.com> (raw)
In-Reply-To: <44D34242.6000901@archonet.com>
References: <7c33d060608040516n799af906sf74e1c645a47caff@mail.gmail.com>
<44D34242.6000901@archonet.com>
On 8/4/06, Richard Huxton <dev@archonet.com> wrote:
>
> David Garamond wrote:
> > Dear all,
> >
> > Please see SQL below. I'm already satisfied with everything except I
> > wish in
> > #4, mtime got automatically updated to NOW() if not explicitly SET in
> > UPDATE
> > statement. Is there a way to make the mtime column behave more like I
> > wanted? Thanks in advance.
>
> Just check for OLD.mtime = NEW.mtime, or am I missing something here?
>
How do I differentiate between:
UPDATE t SET mtime=mtime ...;
in which mtime is specifically set and should not change, and
UPDATE t SET foo=bar ...;
in which mtime is not mentioned and should be updated automagically to
NOW().
--
dave
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To: pgsql-sql@postgresql.org
Cc: davidgaramond@gmail.com
Subject: Re: autoupdating mtime column
In-Reply-To: <7c33d060608040811s6dcaa3abia137188076a76781@mail.gmail.com>
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