SELECT toTypeName(least(-9223372036854775808, 18446744073709551615)), toTypeName(greatest(-9223372036854775808, 18446744073709551615));
SELECT least(0, 1), least(-400, -200), least(toInt8(127), 255), least(-1, 1), least(toUInt64(1), toInt64(-1)), least(-128, 254), least(-128, 255), least(-9223372036854775808, 18446744073709551615), least(-9223372036854775807, 18446744073709551615), least(toInt64(9223372036854775807), 9223372036854775808);
SELECT greatest(0, 1), greatest(-400, -200), greatest(toInt8(127), 255), greatest(-1, 1), greatest(toUInt64(1), toInt64(-1)), greatest(-128, 254), greatest(-128, 255), greatest(-9223372036854775808, 18446744073709551615), greatest(-9223372036854775807, 18446744073709551615), greatest(toInt64(9223372036854775807), 9223372036854775808);