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Re: B-tree index with sorting question

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On 2010-12-28, at 5:22 PM, Tom Lane <tgl@xxxxxxxxxxxxx> wrote:

> bricklen <bricklen@xxxxxxxxx> 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?
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