Re: B-tree index with sorting question

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