Re: Create an index with a sort condition - Mailing list pgsql-general

From Simon Riggs
Subject Re: Create an index with a sort condition
Date
Msg-id 1143662264.32384.301.camel@localhost.localdomain
Whole thread Raw
In response to Create an index with a sort condition  ("sylsau" <sylsau14@gmail.com>)
Responses Re: Create an index with a sort condition
List pgsql-general
On Wed, 2006-03-29 at 03:14 -0800, sylsau wrote:

> I use PostgreSQL 8.1 and I would like create and index on a table's
> field with a sort condition on this field.
> For example, I have a table named books and I want create an index on
> the fields title and id_book with an order by id_book descendant.
>
> I know how to create the index without this condition :
>
> create index book_index on books(id_book, title);
>

The index is already sorted and can be scanned forwards or backwards.

Perhaps you want CLUSTER?

Best Regards, Simon Riggs


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