ber 23, 2010 10:03 PM
Subject: Re: [HACKERS] Why is sorting on two columns so slower than sortingon
one column?
> On Thu, Dec 23, 2010 at 02:33:12AM -0500, Jie Li wrote:
>> Hi,
>>
>> Here is the test table,
>>
>> postgres=# \d big_wf
>> Table &qu
On Thu, Dec 23, 2010 at 10:19:46PM +0800, Li Jie wrote:
> Hi Ken,
>
> Thanks for your tips! Yes it is the case, and I run another query sorting on
> the second column whose values are random.
>
> postgres=# explain analyze select * from big_wf order by id;
>
