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

From: Robert Haas <robertmhaas(at)gmail(dot)com>
To: Stephen Frost <sfrost(at)snowman(dot)net>
Cc: Fabrízio de Royes Mello <fabriziomello(at)gmail(dot)com>, Peter Eisentraut <peter_e(at)gmx(dot)net>, Christopher Browne <cbbrowne(at)gmail(dot)com>, Hannu Krosing <hannu(at)2ndquadrant(dot)com>, Andres Freund <andres(at)2ndquadrant(dot)com>, 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 <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Re: Proposal: Store "timestamptz" of database creation on "pg_database"
Date: 2013-01-08 15:08:29
Message-ID: CA+Tgmob0D8gDnZRVjCZtPxzWJ=PK2UnOEcq7mciA-tj3D9WzTg@mail.gmail.com (view raw or flat)
Thread:
Lists: pgsql-hackers
On Sat, Jan 5, 2013 at 11:04 AM, Stephen Frost <sfrost(at)snowman(dot)net> wrote:
> * Fabrízio de Royes Mello (fabriziomello(at)gmail(dot)com) wrote:
>> * also we discuss about create two new catalogs, one local and another
>> shared (like pg_description and pg_shdescription) to track creation times
>> of all database objects.
>
> Creating a separate catalog (or two) every time we want to track XYZ for
> all objects is rather overkill...  Thinking about this a bit more, and
> noting that pg_description/shdescription more-or-less already exist as a
> framework for tracking 'something' for 'all catalog entries'- why don't
> we just add these columns to those tables..?  This would also address
> Peter's concern about making sure we do this 'wholesale' and in one
> release rather than spread across multiple releases- just make sure it
> covers the same set of things which 'comment' does.

I suspect that trying to shoehorn this into
pg_description/pg_shdescription will contort both features
unnecessarily, but I'm willing to be proven wrong.

> Also, I don't think we really need a GUC for this.

Indeed, a GUC would seem to me to defeat the entire point of the feature.

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company


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