Re: Index only select count(*) - Mailing list pgsql-general

From Alban Hertroys
Subject Re: Index only select count(*)
Date
Msg-id 19541E51-23B8-41E1-B79D-2A5864A4B28D@gmail.com
Whole thread Raw
In response to Index only select count(*)  (Toni Helenius <Toni.Helenius@syncrontech.com>)
Responses Re: Index only select count(*)
List pgsql-general
On Oct 7, 2013, at 11:23, Toni Helenius <Toni.Helenius@syncrontech.com> wrote:

> The output of analyze:
> "Aggregate  (cost=18240.50..18240.51 rows=1 width=0)"
> "  ->  Seq Scan on min1_009  (cost=0.00..18108.60 rows=52760 width=0)"

That's the output of Explain, not of Explain Analyze. The latter has actual measurements to go with the estimated
costs,which gives a lot more insight. 

Alban Hertroys
--
If you can't see the forest for the trees,
cut the trees and you'll find there is no forest.



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