DROP TABLE IF EXISTS mt_pk; CREATE TABLE mt_pk ENGINE = MergeTree PARTITION BY d ORDER BY x SETTINGS index_granularity = 8192, index_granularity_bytes = '10Mi' AS SELECT toDate(number % 32) AS d, number AS x FROM system.numbers LIMIT 10000010; SELECT x FROM mt_pk ORDER BY x ASC LIMIT 10000000, 1; DROP TABLE mt_pk;