Re: How to successfully create a new function?

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От Andreas Kretschmer
Тема Re: How to successfully create a new function?
Дата
Msg-id 20120330075307.GA12020@tux
обсуждение исходный текст
Ответ на How to successfully create a new function?  ("Moon, James" <moonj@pbworld.com>)
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Moon, James <moonj@pbworld.com> wrote:

> Good day!  A little help, please….
>
>
>
> Postgresql 8.3
>
> pgAdmin III  v.1.8.4
>
>
>
> Creating a new function, or modifying an existing function to:
>
>
>
> CREATE OR REPLACE FUNCTION "sp_SetScenario"(scen character varying) RETURNS
> void AS
>
> $BODY$DECLARE
>
>                sqlStatement varchar(500);
>
> BEGIN
>
>                SET sqlStatement = 'ALTER USER postgres WITH DEFAULT_SCHEMA =
> $1';
>
>                EXEC(sqlStatement);
>
> END;
>
> $BODY$
>
> LANGUAGE 'sql' VOLATILE
>
> COST 100;


You have to change:

- language pgpgsql, not sql, sql don't contains variables
- change exec() to execute


>
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Please try to avoid this bullshit...



Andreas
--
Really, I'm not out to destroy Microsoft. That will just be a completely
unintentional side effect.                              (Linus Torvalds)
"If I was god, I would recompile penguin with --enable-fly."   (unknown)
Kaufbach, Saxony, Germany, Europe.              N 51.05082°, E 13.56889°

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