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Re: Internal function call from C-language function

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Martijn van Oosterhout írta:
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,

text_in() doesn't exists, it's textin() but I have to call it through
DirectFunctionCall1(), like this:

yeardatum = DirectFunctionCall1(textin, CStringGetDatum("year"));

However, the session crashes on the subsequent

returndatum = DirectFunctionCall2(timestamp_part, yeardatum, timest);

Best regards,

Zoltán



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