Re: function ave(integer) does not exist

From: hubert depesz lubaczewski <depesz(at)depesz(dot)com>
To: Benedict Holland <benedict(dot)m(dot)holland(at)gmail(dot)com>
Cc: pgsql-general(at)postgresql(dot)org
Subject: Re: function ave(integer) does not exist
Date: 2012-07-03 18:13:04
Message-ID: 20120703181304.GB18987@depesz.com
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On Tue, Jul 03, 2012 at 02:07:54PM -0400, Benedict Holland wrote:
> This one is confusing. The only difference in my db is that it comes from a
> user specific template not pg_default.

"difference"? between what and what?

> select ave(var)
> from test;
> ***********************************************************************************************************************************************************
>
>
> and I get this as the error:
>
> ***********************************************************************************************************************************************************
> ERROR: function ave(integer) does not exist
> LINE 1: select ave(var)
> ^

Never heard of ave() function. What should it do?

> So why is this happening? I can run a "select sum(var)" and it works.

Well, sum() works, because such function (aggregate actually) exists.

Hmm .. perhaps you're looking for avg() - to get average value?

Best regards,

depesz

--
The best thing about modern society is how easy it is to avoid contact with it.
http://depesz.com/

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