Re: Internal function call from C-language function

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От Martijn van Oosterhout
Тема Re: Internal function call from C-language function
Дата
Msg-id 20061207121056.GB19846@svana.org
обсуждение исходный текст
Ответ на Re: Internal function call from C-language function  (Zoltan Boszormenyi <zboszor@dunaweb.hu>)
Ответы Re: Internal function call from C-language function  (Zoltan Boszormenyi <zboszor@dunaweb.hu>)
Список pgsql-general
On Thu, Dec 07, 2006 at 12:55:47PM +0100, Zoltan Boszormenyi wrote:
> However, I have another problem. I have this in the code:

<snip>

>        yeardatum = CStringGetDatum("year");
>        elog(NOTICE, "CStringGetDatum() 1 OK");
>        returndatum = DirectFunctionCall2(timestamp_part, yeardatum,
> timest);

You're passing a cstring as first argument, whereas I'm fairly sure you
should be passing text. When calling from C the're no argument
checking. I think what you're looking for is:

  yeardatum = text_in("year");

Or something like that.

Hope this helps,
--
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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