Re: join problem...

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От Martijn van Oosterhout
Тема Re: join problem...
Дата
Msg-id 20070110154119.GA7663@svana.org
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Ответ на join problem...  ("riki" <riki_fox@hotmail.com>)
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On Wed, Jan 10, 2007 at 04:34:00PM +0100, riki wrote:
> Hi,
>
> i'm trying to extract some info from system catalog tables.
> documentation says that i should join columns of different data type.
> that is int2[] with int2, array with integer.
> how can i make this join work?

You can use the ANY() operator for this:

# select 1 = ANY( ARRAY[2,3,4] );
 ?column?
----------
 f
(1 row)

# select 2 = ANY( ARRAY[2,3,4] );
 ?column?
----------
 t
(1 row)

Have a nice day,
--
Martijn van Oosterhout   <kleptog@svana.org>   http://svana.org/kleptog/
> From each according to his ability. To each according to his ability to litigate.

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