Re: docs update for count(*) and index-only scans

On Tue, Dec 6, 2011 at 11:27 AM, Marti Raudsepp <marti(at)juffo(dot)org> wrote:
> On Tue, Dec 6, 2011 at 05:14, Josh Kupershmidt <schmiddy(at)gmail(dot)com> wrote:
>> Maybe just tweak
>> "will be executed" to "will often be executed", or change "using a
>> sequential scan of the entire table." to "using a sequential scan of
>> the table, or an index-only scan of one of its indexes".
>
> I don't think we need to specify what the planner does at all. How
> about simply "will need to access all rows [in the table]"
>
> Also +1 for removing references to "other SQL databases".

I just modified this so that it's not outright wrong any more. I
think it's still more pessimistic than is warranted, but I wasn't sure
exactly how to rephrase it.

--
Robert Haas
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