once
1000
5000
SELECT count() FROM system.numbers WHERE NOT ignore(geohashEncode((number % 150)*1.1 - 75, (number * 3.14 % 300)*1.1 - 150))
SELECT count() FROM system.numbers WHERE NOT ignore(geohashDecode(toString(number % 1000000)))
SELECT count() FROM system.numbers WHERE NOT ignore(geohashEncode(1.0/rand(), 2.0/rand()))
SELECT count() FROM system.numbers WHERE NOT ignore(geohashDecode(toString(rand() % 1000000)))
SELECT count() FROM system.numbers WHERE NOT ignore(geohashEncode(number + 91.0, number + 181.0))
SELECT count() FROM system.numbers WHERE NOT ignore(geohashDecode(hex(number)))