On Sat, Apr 3, 2010 at 8:59 AM, junaidmalik14 <junaidmali...@gmail.com> wrote: > > Is there any alternative of mysql function COUNT(DISTINCT expr,[expr...]) in > postgres. We get error if we > > write count like this count(distinct profile.id, profile.name, profile.age) > but it works well in mysql. > > Reference url is given below > > http://dev.mysql.com/doc/refman/5.1/en/group-by-functions.html#function_count-distinct
You can do: SELECT COUNT(*) FROM (SELECT DISTINCT profile.id, profile.name, profile.age FROM ...) x; ...Robert -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers