Function SPI_fname

src/backend/executor/spi.c:1225–1245

}

char *
SPI_fname(TupleDesc tupdesc, int fnumber)
{
	const FormData_pg_attribute *att;

	SPI_result = 0;

	if (fnumber > tupdesc->natts || fnumber == 0 ||
		fnumber <= FirstLowInvalidHeapAttributeNumber)
	{
		SPI_result = SPI_ERROR_NOATTRIBUTE;
		return NULL;
	}

	if (fnumber > 0)
		att = TupleDescAttr(tupdesc, fnumber - 1);
	else
		att = SystemAttributeDefinition(fnumber);

	return pstrdup(NameStr(att->attname));
}

char *
SPI_getvalue(HeapTuple tuple, TupleDesc tupdesc, int fnumber)