On Fri, 26 Dec 2008 12:04:48 -0800
David Fetter da...@fetter.org wrote:
On Fri, Dec 26, 2008 at 08:03:30PM +0100, Ivan Sergio Borgonovo
wrote:
aggregate_name (DISTINCT expression [, expression] )
In 8.4, you'll be able to do:
WITH d AS (
SELECT DISTINCT c1, c2 FROM table1
Ivan Sergio Borgonovo m...@webthatworks.it writes:
David Fetter da...@fetter.org wrote:
In 8.4, you'll be able to do:
WITH d AS (
SELECT DISTINCT c1, c2 FROM table1
)
SELECT count(*) FROM d;
Nice, but what will be the difference from
select count(*) from (select distinct c1, c2 from t);
On Fri, Dec 26, 2008 at 07:13:48PM -0500, Tom Lane wrote:
Ivan Sergio Borgonovo m...@webthatworks.it writes:
David Fetter da...@fetter.org wrote:
In 8.4, you'll be able to do:
WITH d AS (
SELECT DISTINCT c1, c2 FROM table1
)
SELECT count(*) FROM d;
Nice, but what will be the
