On Fri, Apr 27, 2012 at 4:41 PM, Thom Brown <thom@linux.com> wrote:
> On 27 April 2012 16:08, Simon Riggs <simon@2ndquadrant.com> wrote:
>> I notice that there isn't a parameter called enable_indexonly (or similar).
>>
>> ISTM that such a major new feature should be controlled by a planner
>> method parameter, just as all the existing planner methods are.
>>
>> This will help us evaluate index only scans in production, and turn
>> them off if they have negative impacts.
>
> It already exists and is called "enable_indexonlyscan".
Hmm. Forgive me, I pressed the wrong button and looked at current docs
rather than dev docs.
(Easier when they used to look different...)
--
Simon Riggs http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
