Peter Hussey pe...@labkey.com writes:
Using the default of 1MB work_mem, the planner chooses a hash join plan :
Hash Left Join (cost=252641.82..11847353.87 rows=971572 width=111) (actual
time=124196.670..280461.604 rows=968080 loops=1)
...
For the same default 1MB work_mem, a nested loop
I'm wondering whether columns, in the select list of a view that is used
in a join, which are not used either as join criteria or in the select
list of the overall query, effect the performance of the query.
In other words supposed I define a view something like
CREATE view MyView AS SELECT
Eric Schwarzenbach subscri...@blackbrook.org writes:
I'm wondering whether columns, in the select list of a view that is used
in a join, which are not used either as join criteria or in the select
list of the overall query, effect the performance of the query.
If the view gets flattened into
6700tps?! Wow..
Ok, I'm impressed. May wait a bit for prices to come somewhat, but that
sounds like two of those are going in one of my production machines
(Raid 1, of course)
Yeb Havinga wrote:
Greg Smith wrote:
Greg Smith wrote:
Note that not all of the Sandforce drives include a
On Mon, Jul 26, 2010 at 4:47 AM, Vlad Arkhipov arhi...@dc.baikal.ru wrote:
There is a partitioned table with 2 partitions:
drop table if exists p cascade;
create table p (
id bigint not null primary key,
ts timestamp);
create table p_actual ( check (ts is null) ) inherits (p);
create
