Function BTR_complement_key

src/jrd/btr.cpp:845–863

void BTR_complement_key(temporary_key* key)
{
/**************************************
 *
 *	B T R _ c o m p l e m e n t _ k e y
 *
 **************************************
 *
 * Functional description
 *	Negate a key for descending index.
 *
 **************************************/
	do
	{
		UCHAR* p = key->key_data;
		for (const UCHAR* const end = p + key->key_length; p < end; p++)
			*p ^= -1;
	} while (key = key->key_next.get());
}


void BTR_create(thread_db* tdbb,