Re: B-tree index with sorting question

On 2010-12-28, at 5:22 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:

> bricklen <bricklen@gmail.com> writes:
>> In the docs at http://www.postgresql.org/docs/9.0/static/sql-createindex.html,
>> I see that you can build indexes that include ordering.
>> Eg. create index t_col_idx on t (col DESC NULLS LAST);
>
>> Does that mean that the initial creation of the index acts like the
>> CLUSTER command?
>
> No, it just changes the order that the index keeps its entries in.
>
>            regards, tom lane

And that holds true for all subsequents inserts too?