Re: Index ot being used

Bruno Wolff III wrote:
> On Sun, Jun 12, 2005 at 22:00:01 -0500,
>   Bruno Wolff III <bruno@wolff.to> wrote:
>
>>On Sun, Jun 12, 2005 at 18:52:05 -0400,
>>  Madison Kelly <linux@alteeve.com> wrote:
>>
>>>  After sending that email I kept plucking away and in the course of
>>>doing so decided that I didn't need to return the 'file_type' column.
>>>Other than that, it would see my query now matches what you two have
>>>recommended in the 'ORDER BY...' front but I still can't get an index
>>>search.
>>
>>No it doesn't. Even if you don't return file_type you still need it
>>in the order by clause if you want postgres to consider using your
>>index.
>
>
> I didn't notice that you had changed the index. The reason this index
> doesn't help is that you can't use it to select on records with the
> desired file_type.

As you probably saw in my last reply, I went back to the old index and
tried the query you and Tom Lane recommended. Should this not have
caught the index?

At any rate, I am re-reading the documents on indexing for 7.4.x on
postgresql.org... This is kind of flustering. Thanks again though for
som much help!

Madison

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Madison Kelly (Digimer)
TLE-BU, The Linux Experience; Back Up
http://tle-bu.thelinuxexperience.com
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