Emanuel Calvo Franco wrote:
hi people! I have this test query to simulate rownums in 8.3: SELECT (select count(i)+1 from prueba where i < xi.i ) as rownum, i, p FROM prueba xi limit 5; Devuelve , que esta bien: 1;1;"299361" 2;2;"421127" 3;3;"166284" 4;4;"458945" 5;5;"81619" 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)
Without an order by in your query, the db can return them as soon as it finds the rows.
If you add an order by (to the outer part), it should be more reliable. -- Postgresql & php tutorials http://www.designmagick.com/ -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general