This is stepping back quite a while; let me point people to the thread
of 2003-02 where Mariusz Czu\x{0142}ada [EMAIL PROTECTED] was
looking for a way of optimizing a VIEW that was a UNION.
http://archives.postgresql.org/pgsql-performance/2003-02/msg00095.php
The subject has come up a few times
Stephan Szabo wrote:
On Thu, 31 Jul 2003, Christopher Browne wrote:
select * from log_table where request_time between 'june 11 2003' and
'june 12 2003';
returns a plan:
Subquery Scan log_table (cost=0.00..10950.26 rows=177126 width=314)
-
