once 4000 10000 SELECT count() FROM system.numbers WHERE NOT ignore(randomPrintableASCII(10)) SELECT count() FROM system.numbers WHERE NOT ignore(randomPrintableASCII(100)) SELECT count() FROM system.numbers WHERE NOT ignore(randomPrintableASCII(1000)) SELECT count() FROM system.numbers WHERE NOT ignore(randomPrintableASCII(10000)) SELECT count() FROM system.numbers WHERE NOT ignore(randomPrintableASCII(rand() % 10)) SELECT count() FROM system.numbers WHERE NOT ignore(randomPrintableASCII(rand() % 100)) SELECT count() FROM system.numbers WHERE NOT ignore(randomPrintableASCII(rand() % 1000))