Re: count function alternative in postgres

Merlin Moncure <mmoncure@gmail.com> writes:
> On Sat, Apr 3, 2010 at 3:02 PM, Scott Bailey <artacus@comcast.net> wrote:
>> SELECT COUNT( DISTINCT row(col1, col2, col3) ) FROM foo

> very clever!  This is similar to how I use rowtypes to get around the
> single column restrictions on function calls in the select field list.

Cute, but note it will only work in 8.4 or later ...

            regards, tom lane