Re: query optimiser changes 6.5->7.0

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?