CREATE TABLE host (
  ts timestamp(3) time index,
  host STRING PRIMARY KEY,
  val BIGINT,
);

Affected Rows: 0

INSERT INTO TABLE host VALUES
    ("2024-01-23T22:30:00+00:00", 'host1', 0),
    ("2024-01-23T23:30:00+00:00", 'host1', 1),
    ("2024-01-24T22:30:00+00:00", 'host1', 2),
    ("2024-01-24T23:30:00+00:00", 'host1', 3),
    ("2024-01-23T22:30:00+00:00", 'host2', 4),
    ("2024-01-23T23:30:00+00:00", 'host2', 5),
    ("2024-01-24T22:30:00+00:00", 'host2', 6),
    ("2024-01-24T23:30:00+00:00", 'host2', 7);

Affected Rows: 8

SELECT ts, host, min(val) RANGE '1d' FROM host ALIGN '1d' ORDER BY host, ts;

+---------------------+-------+------------------------+
| ts                  | host  | min(host.val) RANGE 1d |
+---------------------+-------+------------------------+
| 2024-01-23T00:00:00 | host1 | 0                      |
| 2024-01-24T00:00:00 | host1 | 2                      |
| 2024-01-23T00:00:00 | host2 | 4                      |
| 2024-01-24T00:00:00 | host2 | 6                      |
+---------------------+-------+------------------------+

SELECT ts, host, min(val) RANGE '1d' FROM host ALIGN '1d' TO UNKNOWN ORDER BY host, ts;

Error: 3000(PlanQuery), Error during planning: Illegal `align to` argument `UNKNOWN` in range select query, can't be parse as NOW/CALENDAR/Timestamp, error: Failed to parse a string into Timestamp, raw string: UNKNOWN

SELECT ts, host, min(val) RANGE '1d' FROM host ALIGN '1d' TO '1900-01-01T00:00:00+01:00' ORDER BY host, ts;

+---------------------+-------+------------------------+
| ts                  | host  | min(host.val) RANGE 1d |
+---------------------+-------+------------------------+
| 2024-01-22T23:00:00 | host1 | 0                      |
| 2024-01-23T23:00:00 | host1 | 1                      |
| 2024-01-24T23:00:00 | host1 | 3                      |
| 2024-01-22T23:00:00 | host2 | 4                      |
| 2024-01-23T23:00:00 | host2 | 5                      |
| 2024-01-24T23:00:00 | host2 | 7                      |
+---------------------+-------+------------------------+

SELECT ts, host, min(val) RANGE '1d' FROM host ALIGN '1d' TO '2024-01-23T00:00:00+01:00' ORDER BY host, ts;

+---------------------+-------+------------------------+
| ts                  | host  | min(host.val) RANGE 1d |
+---------------------+-------+------------------------+
| 2024-01-22T23:00:00 | host1 | 0                      |
| 2024-01-23T23:00:00 | host1 | 1                      |
| 2024-01-24T23:00:00 | host1 | 3                      |
| 2024-01-22T23:00:00 | host2 | 4                      |
| 2024-01-23T23:00:00 | host2 | 5                      |
| 2024-01-24T23:00:00 | host2 | 7                      |
+---------------------+-------+------------------------+

SELECT ts, host, min(val) RANGE '1d' FROM host ALIGN '1d' TO '2023-01-01T00:00:00+01:00' ORDER BY host, ts;

+---------------------+-------+------------------------+
| ts                  | host  | min(host.val) RANGE 1d |
+---------------------+-------+------------------------+
| 2024-01-22T23:00:00 | host1 | 0                      |
| 2024-01-23T23:00:00 | host1 | 1                      |
| 2024-01-24T23:00:00 | host1 | 3                      |
| 2024-01-22T23:00:00 | host2 | 4                      |
| 2024-01-23T23:00:00 | host2 | 5                      |
| 2024-01-24T23:00:00 | host2 | 7                      |
+---------------------+-------+------------------------+

SELECT ts, min(val) RANGE (INTERVAL '1' day) FROM host ALIGN (INTERVAL '1' day) TO '1900-01-01T00:00:00+01:00' by (1) ORDER BY ts;

+---------------------+---------------------------------------------------------------------------------------------------------+
| ts                  | min(host.val) RANGE IntervalMonthDayNano("IntervalMonthDayNano { months: 0, days: 1, nanoseconds: 0 }") |
+---------------------+---------------------------------------------------------------------------------------------------------+
| 2024-01-22T23:00:00 | 0                                                                                                       |
| 2024-01-23T23:00:00 | 1                                                                                                       |
| 2024-01-24T23:00:00 | 3                                                                                                       |
+---------------------+---------------------------------------------------------------------------------------------------------+

SELECT ts, min(val) RANGE (INTERVAL '2' day - INTERVAL '1' day) FROM host ALIGN (INTERVAL '2' day - INTERVAL '1' day) TO (now() - (now() + INTERVAL '1' hour)) by (1) ORDER BY ts;

+---------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| ts                  | min(host.val) RANGE IntervalMonthDayNano("IntervalMonthDayNano { months: 0, days: 2, nanoseconds: 0 }") - IntervalMonthDayNano("IntervalMonthDayNano { months: 0, days: 1, nanoseconds: 0 }") |
+---------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| 2024-01-22T23:00:00 | 0                                                                                                                                                                                             |
| 2024-01-23T23:00:00 | 1                                                                                                                                                                                             |
| 2024-01-24T23:00:00 | 3                                                                                                                                                                                             |
+---------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+

-- non-positive duration
SELECT ts, min(val) RANGE (INTERVAL '1' day - INTERVAL '2' day) FROM host ALIGN (INTERVAL '1' day) TO '1900-01-01T00:00:00+01:00' by (1) ORDER BY ts;

Error: 3000(PlanQuery), Error during planning: Illegal argument `IntervalMonthDayNano("IntervalMonthDayNano { months: 0, days: 1, nanoseconds: 0 }") - IntervalMonthDayNano("IntervalMonthDayNano { months: 0, days: 2, nanoseconds: 0 }")` in range select query

SELECT ts, min(val) RANGE (INTERVAL '1' day - INTERVAL '1' day) FROM host ALIGN (INTERVAL '1' day) TO '1900-01-01T00:00:00+01:00' by (1) ORDER BY ts;

Error: 3000(PlanQuery), Error during planning: Illegal argument `IntervalMonthDayNano("IntervalMonthDayNano { months: 0, days: 1, nanoseconds: 0 }") - IntervalMonthDayNano("IntervalMonthDayNano { months: 0, days: 1, nanoseconds: 0 }")` in range select query

-- duration not all interval
SELECT ts, min(val) RANGE (now() - INTERVAL '1' day) FROM host ALIGN (INTERVAL '1' day) TO '1900-01-01T00:00:00+01:00' by (1) ORDER BY ts;

Error: 3000(PlanQuery), Error during planning: Illegal argument `now() - IntervalMonthDayNano("IntervalMonthDayNano { months: 0, days: 1, nanoseconds: 0 }")` in range select query

--- ALIGN TO with time zone ---
set time_zone='Asia/Shanghai';

Affected Rows: 0

---- align to 'Asia/Shanghai' unix epoch 0 ----
SELECT ts, host, min(val) RANGE '1d' FROM host ALIGN '1d' ORDER BY host, ts;

+---------------------+-------+------------------------+
| ts                  | host  | min(host.val) RANGE 1d |
+---------------------+-------+------------------------+
| 2024-01-23T08:00:00 | host1 | 0                      |
| 2024-01-24T08:00:00 | host1 | 2                      |
| 2024-01-23T08:00:00 | host2 | 4                      |
| 2024-01-24T08:00:00 | host2 | 6                      |
+---------------------+-------+------------------------+

set time_zone='+23:00';

Affected Rows: 0

---- align to '+23:00' unix epoch 0 ----
SELECT ts, host, min(val) RANGE '1d' FROM host ALIGN '1d' ORDER BY host, ts;

+---------------------+-------+------------------------+
| ts                  | host  | min(host.val) RANGE 1d |
+---------------------+-------+------------------------+
| 2024-01-22T23:00:00 | host1 | 0                      |
| 2024-01-23T23:00:00 | host1 | 1                      |
| 2024-01-24T23:00:00 | host1 | 3                      |
| 2024-01-22T23:00:00 | host2 | 4                      |
| 2024-01-23T23:00:00 | host2 | 5                      |
| 2024-01-24T23:00:00 | host2 | 7                      |
+---------------------+-------+------------------------+

set time_zone='UTC';

Affected Rows: 0

DROP TABLE host;

Affected Rows: 0