On Wed, Oct 5, 2011 at 12:15 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> Scott Marlowe <scott.marlowe@gmail.com> writes:
>> It used to be that cluster on a very randomly ordered table was much
>> slower than doing something like select * into newtable from oldtable
>> order by col1, col2; Is that still the case in 9.0/9.1?
>
> Fixed in 9.1, per release notes:
>
> * Allow CLUSTER to sort the table rather than scanning the index when it seems likely to be cheaper (Leonardo
Francalanci)
Looks like I owe Leonardo Francalanci a pizza.