Method isNull

src/jrd/ResultSet.cpp:84–92

bool ResultSet::isNull(unsigned param) const
{
	fb_assert(param > 0);

	const dsc* desc = &stmt->outValues[(param - 1) * 2 + 1];
	fb_assert(desc->dsc_dtype == dtype_short);

	return *reinterpret_cast<SSHORT*>(desc->dsc_address) != 0;
}


dsc& ResultSet::getDesc(unsigned param)