Re: Trigger programming..

"Mitch Vincent" <mitch(at)venux(dot)net> writes:
> I have this code...

> tupdesc = rel->rd_att; /* what the tuple looks like (?) */

> app_id_colnum = SPI_fnumber(tupdesc, app_id_fieldname);

> if (app_id_colnum == SPI_ERROR_NOATTRIBUTE)
> elog(ERROR, "app_id_colnum - SPI_ERROR_NOATTRIBUTE error ");

> char_app_id = SPI_getvalue(rettuple, tupdesc, app_id_colnum);

Looks OK to me, as far as it goes. I'd wonder whether the tuple
actually matches the tupdesc you're using.

Looking at SPI_getvalue itself (in src/backend/executor/spi.c),
I can see that SPI_result might offer a clue about why it's failing.

regards, tom lane