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Re: Proposal: Store "timestamptz" of database creation on "pg_database"

From: Andres Freund <andres(at)2ndquadrant(dot)com>
To: Hannu Krosing <hannu(at)krosing(dot)net>
Cc: Stephen Frost <sfrost(at)snowman(dot)net>,Dimitri Fontaine <dimitri(at)2ndQuadrant(dot)fr>,Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Josh Berkus <josh(at)agliodbs(dot)com>,pgsql-hackers(at)postgresql(dot)org
Subject: Re: Proposal: Store "timestamptz" of database creation on "pg_database"
Date: 2013-01-03 10:18:08
Message-ID: 20130103101807.GE18346@alap2.anarazel.de (view raw or flat)
Thread:
Lists: pgsql-hackers
On 2013-01-03 11:03:17 +0100, Hannu Krosing wrote:
> On 12/28/2012 03:14 AM, Stephen Frost wrote:
> ...
> >I agree that what I was suggesting would be possible to implement with
> >event triggers, but I see that as a rather advanced feature that most
> >users aren't going to understand or implement. At the same time, those
> >more novice users are likely to be looking for this kind of information-
> >being told "oh, well, you *could* have been collecting it all along if you
> >knew about event triggers" isn't a particularly satisfying answer. That's
> >my 2c on it. I agree that having the example in the docs would be nice-
> >examples are always good things to include.
> If what you want is something close to current unix file time semantics
> (ctime, mtime, atime) then why not just create a function to look up these
> attributes on database directory and/or database files ?

Because too many things change those. Moving to a different tablespace,
a rewriting ALTER TABLE, etc.

Greetings,

Andres Freund

--
 Andres Freund	                   http://www.2ndQuadrant.com/
 PostgreSQL Development, 24x7 Support, Training & Services


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Next:From: Pavel StehuleDate: 2013-01-03 10:20:09
Subject: Re: Proposal: Store "timestamptz" of database creation on "pg_database"
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