Re: What is the quickest query in the database?

From: Jonathan Bartlett <johnnyb(at)eskimo(dot)com>
To: Tino Wildenhain <tino(at)wildenhain(dot)de>
Cc: P G <pg_dba(at)yahoo(dot)com>, <pgsql-general(at)postgresql(dot)org>
Subject: Re: What is the quickest query in the database?
Date: 2003-02-20 19:52:31
Message-ID: Pine.GSU.4.44.0302201152020.21354-100000@eskimo.com
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Might select NULL; be faster, since the number doesn't have to be parsed,
and null is probably a keyword?

Jon

On Thu, 20 Feb 2003, Tino Wildenhain wrote:

> Hi P G,
>
> On Thu, 20 Feb 2003 09:52:07 -0800 (PST)
> P G <pg_dba(at)yahoo(dot)com> wrote:
>
> > What is the quickest and least intrusive query in the
> > database that will always succeed?
>
> select 1;
>
> :o)
>
> Regards
> Tino
>
>
> > select current_user;
> >
> > -- OR --
> >
> > select datname from pg_database where datname =
> > 'some_database';
> >
> > Or would it be something else?
> >
> > TIA.
> >
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