| From: | Andrew Dunstan <andrew(at)dunslane(dot)net> |
|---|---|
| To: | Simon Riggs <simon(at)2ndQuadrant(dot)com> |
| Cc: | Thom Brown <thom(at)linux(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: enable_indexonly |
| Date: | 2012-04-27 15:56:59 |
| Message-ID: | 4F9AC1CB.3000307@dunslane.net |
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| Thread: | |
| Lists: | pgsql-hackers |
On 04/27/2012 11:45 AM, Simon Riggs wrote:
> On Fri, Apr 27, 2012 at 4:41 PM, Thom Brown<thom(at)linux(dot)com> wrote:
>> On 27 April 2012 16:08, Simon Riggs<simon(at)2ndquadrant(dot)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...)
Maybe we should have the stylesheet watermark the dev docs pages.
cheers
andrew
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