Horton

Re: index-only scans

Tom Lane <tgl@sss.pgh.pa.us>

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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Robert Haas <robertmhaas@gmail.com>
Cc: pgsql-hackers@postgresql.org
Date: 2011-10-07T18:51:25Z
Lists: pgsql-hackers

Commits

Same data as JSON: GET /api/v1/messages/:b64id/commits the thread's linked commits as JSON, with link sources. API reference →

  1. Reduce the alignment requirement of type "name" from int to char, and arrange

Robert Haas <robertmhaas@gmail.com> writes:
> On Fri, Oct 7, 2011 at 2:40 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> 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.

It seems unlikely to have any use except for testing, but I think we
need it for that.

			regards, tom lane