Re: Segementation fault in PQgetvalue()

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От Tom Lane
Тема Re: Segementation fault in PQgetvalue()
Дата
Msg-id 17242.1205421598@sss.pgh.pa.us
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Ответ на Segementation fault in PQgetvalue()  (Nikhil Bokare <nbokare@gmail.com>)
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Nikhil Bokare <nbokare@gmail.com> writes:
> This is what I'm trying to:
> char lmt_str[100];
> sprintf(lmt_str,"%s",PQgetvalue(res, 0, nFields-1));
> //the last field is of type timestamp
> This is giving segmentation fault.
> I'm confused....

The only way PQgetvalue will return NULL is if the row/column numbers
are out of range.  Are you sure you calculated the field number
correctly?  Are you sure the query result contains a row at all?
(Did you check for query failure?)

            regards, tom lane

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