Re: query optimiser changes 6.5->7.0

From: Joseph Shraibman <jks(at)selectacast(dot)net>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Simon Hardingham <simon(at)netxtra(dot)net>, pgsql-general(at)postgresql(dot)org
Subject: Re: query optimiser changes 6.5->7.0
Date: 2000-06-02 04:23:05
Message-ID: 393736A9.ECF133AC@selectacast.net
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-general

Tom Lane wrote:
>
> Also, 7.0.1, propagating now to an archive near you, contains some
> fudge-factor twiddling to make it more willing to choose an indexscan.
> We shall soon find out whether that made things better or worse for
> typical uses...
>
> regards, tom lane

OK this may seem like a stupid question, but isn't index scan always
better except for the pathalogical simple case where the work to be done
is trivial anyway?

In response to

Responses

Browse pgsql-general by date

  From Date Subject
Next Message Bruce Momjian 2000-06-02 05:32:42 Re: Vacuum Question
Previous Message Elliot Finley 2000-06-02 03:37:23 Re: btree index and max()