On Thu, Aug 13, 2009 at 9:37 AM, Chris
<dmagick@gmail.com> wrote:
Emanuel Calvo Franco wrote:
But in 8.4 throws this:
postgres=# SELECT
postgres-# (select count(i)+1 from prueba
postgres(# where i < xi.i
postgres(# ) as rownum, i, p
postgres-# FROM prueba xi limit 5;
rownum | i | p
--------+--------+--------
168770 | 168763 | 908731
168771 | 168764 | 640826
168772 | 168765 | 571112
168773 | 168766 | 992462
168774 | 168767 | 992471
(5 filas)
Why don't you make it simple and just use row_number() from 8.4... It can be simplified as:
select row_number() over(), i, p from prueba limit 5;
--
Shoaib Mir
http://shoaibmir.wordpress.com/