SET send_logs_level = 'none'; DROP TABLE IF EXISTS test.pk; CREATE TABLE test.pk (d Date DEFAULT '2000-01-01', x UInt64) ENGINE = MergeTree(d, x, 1); INSERT INTO test.pk (x) VALUES (1), (2), (3); SELECT x FROM test.pk ORDER BY x; SELECT x FROM test.pk WHERE x >= 2 ORDER BY x; ALTER TABLE test.pk MODIFY PRIMARY KEY (x); SELECT x FROM test.pk ORDER BY x; SELECT x FROM test.pk WHERE x >= 2 ORDER BY x; ALTER TABLE test.pk ADD COLUMN y String, MODIFY PRIMARY KEY (x, y); SELECT x, y FROM test.pk ORDER BY x, y; SELECT x, y FROM test.pk WHERE x >= 2 ORDER BY x, y; SELECT x, y FROM test.pk WHERE x >= 2 AND y = '' ORDER BY x, y; INSERT INTO test.pk (x, y) VALUES (1, 'Hello'), (2, 'World'), (3, 'abc'), (4, 'def'); SELECT x, y FROM test.pk ORDER BY x, y; SELECT x, y FROM test.pk WHERE x >= 2 ORDER BY x, y; SELECT x, y FROM test.pk WHERE x >= 2 AND y > '' ORDER BY x, y; SELECT x, y FROM test.pk WHERE x >= 2 AND y >= '' ORDER BY x, y; SELECT x, y FROM test.pk WHERE x > 2 AND y > 'z' ORDER BY x, y; SELECT x, y FROM test.pk WHERE y < 'A' ORDER BY x, y; DETACH TABLE test.pk; ATTACH TABLE test.pk (d Date DEFAULT '2000-01-01', x UInt64, y String) ENGINE = MergeTree(d, (x, y), 1); SELECT x, y FROM test.pk ORDER BY x, y; SELECT x, y FROM test.pk WHERE x >= 2 ORDER BY x, y; SELECT x, y FROM test.pk WHERE x >= 2 AND y > '' ORDER BY x, y; SELECT x, y FROM test.pk WHERE x >= 2 AND y >= '' ORDER BY x, y; SELECT x, y FROM test.pk WHERE x > 2 AND y > 'z' ORDER BY x, y; SELECT x, y FROM test.pk WHERE y < 'A' ORDER BY x, y; SET max_rows_to_read = 3; SELECT x, y FROM test.pk WHERE x > 2 AND y > 'z' ORDER BY x, y; SET max_rows_to_read = 0; OPTIMIZE TABLE test.pk; SELECT x, y FROM test.pk; SELECT x, y FROM test.pk ORDER BY x, y; ALTER TABLE test.pk MODIFY PRIMARY KEY (x); SELECT x, y FROM test.pk ORDER BY x, y; SELECT x, y FROM test.pk WHERE x >= 2 ORDER BY x, y; SELECT x, y FROM test.pk WHERE x >= 2 AND y > '' ORDER BY x, y; SELECT x, y FROM test.pk WHERE x >= 2 AND y >= '' ORDER BY x, y; SELECT x, y FROM test.pk WHERE x > 2 AND y > 'z' ORDER BY x, y; SELECT x, y FROM test.pk WHERE y < 'A' ORDER BY x, y; DETACH TABLE test.pk; ATTACH TABLE test.pk (d Date DEFAULT '2000-01-01', x UInt64, y String) ENGINE = MergeTree(d, (x), 1); SELECT x, y FROM test.pk ORDER BY x, y; SELECT x, y FROM test.pk WHERE x >= 2 ORDER BY x, y; SELECT x, y FROM test.pk WHERE x >= 2 AND y > '' ORDER BY x, y; SELECT x, y FROM test.pk WHERE x >= 2 AND y >= '' ORDER BY x, y; SELECT x, y FROM test.pk WHERE x > 2 AND y > 'z' ORDER BY x, y; SELECT x, y FROM test.pk WHERE y < 'A' ORDER BY x, y; DROP TABLE test.pk; DROP TABLE IF EXISTS test.pk2; CREATE TABLE test.pk2 (x UInt32) ENGINE MergeTree ORDER BY x; ALTER TABLE test.pk2 ADD COLUMN y UInt32, ADD COLUMN z UInt32, MODIFY ORDER BY (x, y, z); ALTER TABLE test.pk2 MODIFY PRIMARY KEY (y); -- { serverError 36 } ALTER TABLE test.pk2 MODIFY PRIMARY KEY (x, y); SELECT '*** Check table creation statement ***'; SHOW CREATE TABLE test.pk2; INSERT INTO test.pk2 VALUES (100, 30, 2), (100, 30, 1), (100, 20, 2), (100, 20, 1); SELECT '*** Check that the inserted values were correctly sorted ***'; SELECT * FROM test.pk2; DROP TABLE test.pk2;