CREATE TABLE host ( ts timestamp(3) time index, host STRING PRIMARY KEY, val BIGINT, ); INSERT INTO TABLE host VALUES ("1970-01-01T01:00:00+08:00", 'host1', 0), ("1970-01-01T02:00:00+08:00", 'host1', 1), ("1971-01-02T03:00:00+08:00", 'host1', 2), ("1971-01-02T04:00:00+08:00", 'host1', 3), ("1970-01-01T01:00:00+08:00", 'host2', 4), ("1970-01-01T02:00:00+08:00", 'host2', 5), ("1971-01-02T03:00:00+08:00", 'host2', 6), ("1971-01-02T04:00:00+08:00", 'host2', 7); SELECT ts, host, min(val) RANGE (INTERVAL '1 year') FROM host ALIGN (INTERVAL '1 year') ORDER BY host, ts; SELECT ts, host, min(val) RANGE (INTERVAL '1' year) FROM host ALIGN (INTERVAL '1' year) ORDER BY host, ts; DROP TABLE host;