ClickHouse/dbms/tests/queries/0_stateless/00606_quantiles_and_nans.sql

SELECT DISTINCT eq FROM (WITH range(number % 10) AS arr, arrayMap(x -> x = intDiv(number, 10) ? nan : x, arr) AS arr_with_nan, arrayFilter(x -> x != intDiv(number, 10), arr) AS arr_filtered SELECT number, arrayReduce('quantileExact', arr_with_nan) AS q1, arrayReduce('quantileExact', arr_filtered) AS q2, q1 = q2 AS eq FROM numbers(100));