Re: searching using indexes 8.3 - Mailing list pgsql-general

From Alan Hodgson
Subject Re: searching using indexes 8.3
Date
Msg-id 200803101042.58130@hal.medialogik.com
Whole thread Raw
In response to searching using indexes 8.3  (LARC/J.L.Shipman/jshipman <jeffery.l.shipman@nasa.gov>)
List pgsql-general
On Monday 10 March 2008, LARC/J.L.Shipman/jshipman
<jeffery.l.shipman@nasa.gov> wrote:
> Hi,
>     When I do a search such as:
>
>   EXPLAIN ANALYZE SELECT * FROM itemsbyauthor;
>                                                      QUERY PLAN
> ------------------------------------------------------------------------
> -------------------------------------------
>   Seq Scan on itemsbyauthor  (cost=0.00..971.34 rows=53634 width=34)
> (actual time=0.029..25.831 rows=53634 loops=1)
>   Total runtime: 34.851 ms
> (2 rows)
>
>
> I have an index for the table, but it is not being utilized.  Why is
> this?  How do I get the index to be used?
>

You asked for the whole table. How would an index help?


--
Alan

pgsql-general by date:

Previous
From: Richard Huxton
Date:
Subject: Re: searching using indexes 8.3
Next
From: Alban Hertroys
Date:
Subject: Re: ISO something like "#if 0 ... #endif" for SQL code