On Wed, 27 Jan 2010, Віталій Тимчишин wrote:
How about SELECT SUM (case when id > 1200000 and id < 1210000 then 1 end) from tbl_tracker;
That is very interesting.
* All the functions should be noop for null input
Alas, not true for COUNT(*), AVG(), etc. Matthew -- An optimist sees the glass as half full, a pessimist as half empty, and an engineer as having redundant storage capacity. -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance