Re: any way to make query use index?

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От Chris Hoover
Тема Re: any way to make query use index?
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Msg-id 1d219a6f0711150837i26f35caek3d80fe4a569f6ebb@mail.gmail.com
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Ответ на Re: any way to make query use index?  (Tom Lane <tgl@sss.pgh.pa.us>)
Ответы Re: any way to make query use index?  (Tom Lane <tgl@sss.pgh.pa.us>)
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On Nov 15, 2007 11:25 AM, Tom Lane <tgl@sss.pgh.pa.us> wrote:

> > Here is the table definition:
> > CREATE TABLE rev_code_desc
> > (
> >   rev_code character(4) NOT NULL,

> If changing the queries seems impractical, you could add an index on
> rev_code::text, or reconsider the choice of column type.
>
>                         regards, tom lane
>

how would you create this index?  create index rev_code_text_idx on
rev_code_desc(rev_code::text) fails complaining "ERROR:  syntax error
at or near "::""

Thanks

Chris

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