DROP TABLE IF EXISTS test.partitioned_by_tuple; CREATE TABLE test.partitioned_by_tuple (d Date, x UInt8, w String, y UInt8) ENGINE SummingMergeTree (y) PARTITION BY (d, x) ORDER BY (d, x, w); INSERT INTO test.partitioned_by_tuple VALUES ('2000-01-02', 1, 'first', 3); INSERT INTO test.partitioned_by_tuple VALUES ('2000-01-01', 2, 'first', 2); INSERT INTO test.partitioned_by_tuple VALUES ('2000-01-01', 1, 'first', 1), ('2000-01-01', 1, 'first', 2); OPTIMIZE TABLE test.partitioned_by_tuple; SELECT * FROM test.partitioned_by_tuple ORDER BY d, x, w, y; OPTIMIZE TABLE test.partitioned_by_tuple FINAL; SELECT * FROM test.partitioned_by_tuple ORDER BY d, x, w, y; DROP TABLE test.partitioned_by_tuple;