On Tue, Jan 8, 2013 at 10:04 AM, AJ Weber wrote:
>>
>> The current constraint exclusion code is quite simple-minded and
>> doesn't know how to make use of check constraints that use the mod
>> function, so the indexes of all partitions would have to be searched
>> for each order_num-driven query,
2013-01-08 22:48 keltezéssel, Shaun Thomas írta:
On 01/08/2013 02:05 PM, AJ Weber wrote:
Is there an "easy" way to tell what scheduler my OS is using?
Unfortunately not. I looked again, and it seems that CFS was merged into 2.6.23.
Anything before that is probably safe, but the vendor may ha
On 14 January 2013 07:35, Stefan Andreatta wrote:
> The source of these troubles is the sampling method employed in
> src/backend/commands/analyze.c. Judging from Tom Lane's comment for the
> original implementation in 2004 this has never been thought to be perfect.
> Does anybody see a chance to