CREATE TABLE mt_comp_parts ENGINE = MergeTree ORDER BY (c1, c2) SETTINGS min_rows_for_wide_part = 1000000000 AS SELECT * FROM generateRandom('c1 UInt32, c2 UInt64, s1 String, arr1 Array(UInt32), c3 UInt64, s2 String', 0, 30, 30) LIMIT 50000000 8 SELECT count() FROM mt_comp_parts WHERE NOT ignore(c1) SELECT count() FROM mt_comp_parts WHERE NOT ignore(c2, s1, arr1, s2) SELECT count() FROM mt_comp_parts WHERE NOT ignore(c1, s1, c3) SELECT count() FROM mt_comp_parts WHERE NOT ignore(c1, c2, c3) SELECT count() FROM mt_comp_parts WHERE NOT ignore(*) DROP TABLE IF EXISTS mt_comp_parts