On Feb 24, 2006, at 23:13 , jcfischer wrote:
Is there a way to limit the expensive query to only those last 1000
(or
whatever) results?
I have tried to nest SELECTS but my SQL-fu is to limited to get
anything through the SQL processor :-)
The basics of a subquery are:
SELECT
FROM (
sorry: Postgres 8.0.2 server. The EXPLAIN ANALYZE for the query looks
like this:
explain analyze select
syslog.logs.eventtime,assets.hosts.name,syslog.processes.name as
process
from
syslog.logs,assets.hosts,assets.ipaddrs,assets.macaddrs,syslog.processes
where msg like '%session opened for user ro