On Wed, 30 Oct 2002, Stephan Szabo wrote:
> On 29 Oct 2002, Ives Landrieu wrote:
>
> > Hi,
> >
> > Can anybody explain the following results when using EXPLAIN,
> > one time with enable_seqscan=on and one time with enable_seqscan=off.
> > What I don't understand is that the nodes created are the same
> > (index scan, seq scan), but the costs differ.
>
> Enable seq scan actually just sets a large cost disbenefit to seq scans.
Boy, that sentence sure didn't make sense. enable_seqscan=off actually
gives a large cost disbenefit to seqscans.