Re: column name with plpgsql

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От Alain Roger
Тема Re: column name with plpgsql
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Msg-id 75645bbb0902070635v94e4857m9bedc251640ec041@mail.gmail.com
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Ответ на Re: column name with plpgsql  (Raymond O'Donnell <rod@iol.ie>)
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Thanks a lot Raymond it works well.

On Sat, Feb 7, 2009 at 3:32 PM, Raymond O'Donnell <rod@iol.ie> wrote:
On 07/02/2009 14:26, Alain Roger wrote:

> i have a table which can be altered with several additional column. How can
> i test under plpgsql if a particular column already exists ?

select 1 from information_schema.columns
 where table_name = 'your_table_name_here'
 and column_name = 'your_column_name_here';

HTH,

Ray.

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Raymond O'Donnell, Director of Music, Galway Cathedral, Ireland
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Alain
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