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 |
Views: | Raw Message | Whole Thread | Download mbox | Resend email |
Thread: | |
Lists: | pgsql-general |
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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