once 5000 20000 SELECT count() FROM system.numbers WHERE NOT ignore(MACNumToString(number)) SELECT count() FROM system.numbers WHERE NOT ignore(MACStringToNum(MACNumToString(number))) SELECT count() FROM system.numbers_mt WHERE NOT ignore(MACNumToString(rand64())) SELECT count() FROM system.numbers_mt WHERE NOT ignore(MACStringToNum(MACNumToString(rand64())))