On Sun, Mar 1, 2009 at 4:32 AM, Robert Haas robertmh...@gmail.com wrote:
What do you have default_statistics_target set to? If it's less than
100, you should probably raise it to 100 and re-analyze (the default
value for 8.4 will be 100, but for 8.3 and prior it is 10).
Changing it to 100
On Fri, Feb 27, 2009 at 11:54 PM, Robert Haas robertmh...@gmail.com wrote:
The problem here is that the planner estimates the cost of a Limit
plan node by adding up (1) the startup cost of the underlying plan
node, in this case 0 for the nestjoin, and (2) a percentage of the run
cost, based on
On Sat, Feb 28, 2009 at 11:20 AM, Alexander Staubo a...@bengler.no wrote:
On Fri, Feb 27, 2009 at 11:54 PM, Robert Haas robertmh...@gmail.com wrote:
The problem here is that the planner estimates the cost of a Limit
plan node by adding up (1) the startup cost of the underlying plan
node, in
On Sun, Feb 15, 2009 at 5:45 PM, Alexander Staubo a...@bengler.no wrote:
On Sun, Feb 15, 2009 at 5:29 AM, David Wilson david.t.wil...@gmail.com
wrote:
On Sat, Feb 14, 2009 at 5:25 PM, Alexander Staubo a...@bengler.no wrote:
Output from explain analyze:
Limit (cost=0.00..973.63 rows=4
On Fri, Feb 27, 2009 at 3:18 PM, Alexander Staubo a...@bengler.no wrote:
On Sun, Feb 15, 2009 at 5:45 PM, Alexander Staubo a...@bengler.no wrote:
On Sun, Feb 15, 2009 at 5:29 AM, David Wilson david.t.wil...@gmail.com
wrote:
On Sat, Feb 14, 2009 at 5:25 PM, Alexander Staubo a...@bengler.no
On Sun, Feb 15, 2009 at 5:29 AM, David Wilson david.t.wil...@gmail.com wrote:
On Sat, Feb 14, 2009 at 5:25 PM, Alexander Staubo a...@bengler.no wrote:
Output from explain analyze:
Limit (cost=0.00..973.63 rows=4 width=48) (actual
time=61.554..4039.704 rows=1 loops=1)
- Nested Loop
This dinky little query takes about 4 seconds to run:
select event_occurrences.*
from event_occurrences
join section_items on section_items.subject_id = event_occurrences.event_id
and section_items.subject_type = 'Event'
and section_items.sandbox_id = 16399
where
On Sat, Feb 14, 2009 at 5:25 PM, Alexander Staubo a...@bengler.no wrote:
Output from explain analyze:
Limit (cost=0.00..973.63 rows=4 width=48) (actual
time=61.554..4039.704 rows=1 loops=1)
- Nested Loop (cost=0.00..70101.65 rows=288 width=48) (actual
time=61.552..4039.700 rows=1
