Re: count( distinct x )

Michael Fork wrote:

> I think you want
>
> SELECT count(distinct(area)) FROM areapostcode WHERE postcode LIKE 'BS1%'
>

psql still not happy :(

SELECT count(distinct(area)) FROM areapostcode WHERE postcode LIKE 'BS1%';
ERROR:  parser: parse error at or near "distinct"

Thanks,
Bap.

>
> Michael Fork - CCNA - MCP - A+
> Network Support - Toledo Internet Access - Toledo Ohio
>
> On Mon, 27 Nov 2000, Anthony wrote:
>
> > Apologies if this has been asked b4, but got this result when
> > attemplting to search the archives on the website
> >
> > Not Found
> >
> > The requested URL /mhonarc/pgsql-sql/search.cgi was not found on this
> > server.
> >
> >
> > Apache/1.3.12 Server at postgresql.rmplc.co.uk Port 80
> >
> > The problem I have is with this statement:
> >
> >     select count( distinct area ) from areapostcode where postcode like
> > 'BS1%'
> >
> > the above statement fails with
> >     ERROR:  parser: parse error at or near "distinct"
> >
> > I am not the greatest when it comes to SQL, but the pgsql docs implied
> > that the above would work.
> >
> > What I am trying to do is get a count of the no of matches from the
> > statement below
> >     select distinct area from areapostcode where postcode like 'BS1%'
> >
> > Not the count of:
> >     select area from areapostcode where postcode like 'BS1%'
> >
> > Can anyone help?
> >
> > TIA
> > Bap.
> >