Re: index-only scans
| От | Robert Haas |
|---|---|
| Тема | Re: index-only scans |
| Дата | |
| Msg-id | CA+TgmoZy=bV-7r-EyfTiiHeTQvB1+YOVAMRgA+ENjfDY=cwVAA@mail.gmail.com обсуждение исходный текст |
| Ответ на | Re: index-only scans (Tom Lane <tgl@sss.pgh.pa.us>) |
| Ответы |
Re: index-only scans
|
| Список | pgsql-hackers |
On Fri, Oct 7, 2011 at 2:40 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote: > Robert Haas <robertmhaas@gmail.com> writes: >> Please find attached a patch implementing a basic version of >> index-only scans. > > I'm making some progress with this, but I notice what seems like a > missing feature: there needs to be a way to turn it off. Otherwise > performance comparisons will be difficult to impossible. > > The most obvious solution is a planner control GUC, perhaps > "enable_indexonlyscan". Anyone object, or want to bikeshed the name? I was expecting you to NOT want that, or I would have put it in to begin with... so go for it. -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company
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