mirror of
https://github.com/GreptimeTeam/greptimedb.git
synced 2026-01-08 06:12:55 +00:00
97 lines
6.8 KiB
Plaintext
97 lines
6.8 KiB
Plaintext
CREATE TABLE host (
|
|
ts timestamp(3) time index,
|
|
host STRING PRIMARY KEY,
|
|
val BIGINT,
|
|
);
|
|
|
|
Affected Rows: 0
|
|
|
|
INSERT INTO TABLE host VALUES
|
|
("1970-01-01T01:00:00+00:00", 'host1', 0),
|
|
("1970-01-01T02:00:00+00:00", 'host1', 1),
|
|
("1971-01-02T03:00:00+00:00", 'host1', 2),
|
|
("1971-01-02T04:00:00+00:00", 'host1', 3),
|
|
("1970-01-01T01:00:00+00:00", 'host2', 4),
|
|
("1970-01-01T02:00:00+00:00", 'host2', 5),
|
|
("1971-01-02T03:00:00+00:00", 'host2', 6),
|
|
("1971-01-02T04:00:00+00:00", 'host2', 7);
|
|
|
|
Affected Rows: 8
|
|
|
|
SELECT ts, host, min(val) RANGE (INTERVAL '1 year') FROM host ALIGN (INTERVAL '1 year') ORDER BY host, ts;
|
|
|
|
Error: 3000(PlanQuery), Error during planning: Year or month interval is not allowed in range query: IntervalMonthDayNano("IntervalMonthDayNano { months: 12, days: 0, nanoseconds: 0 }")
|
|
|
|
SELECT ts, host, min(val) RANGE (INTERVAL '1' day) FROM host ALIGN (INTERVAL '1' day) ORDER BY host, ts;
|
|
|
|
+---------------------+-------+---------------------------------------------------------------------------------------------------------+
|
|
| ts | host | min(host.val) RANGE IntervalMonthDayNano("IntervalMonthDayNano { months: 0, days: 1, nanoseconds: 0 }") |
|
|
+---------------------+-------+---------------------------------------------------------------------------------------------------------+
|
|
| 1970-01-01T00:00:00 | host1 | 0 |
|
|
| 1971-01-02T00:00:00 | host1 | 2 |
|
|
| 1970-01-01T00:00:00 | host2 | 4 |
|
|
| 1971-01-02T00:00:00 | host2 | 6 |
|
|
+---------------------+-------+---------------------------------------------------------------------------------------------------------+
|
|
|
|
SELECT ts, host, min(val) RANGE ('1 day'::INTERVAL) FROM host ALIGN ('1 day'::INTERVAL) ORDER BY host, ts;
|
|
|
|
+---------------------+-------+-----------------------------------+
|
|
| ts | host | min(host.val) RANGE Utf8("1 day") |
|
|
+---------------------+-------+-----------------------------------+
|
|
| 1970-01-01T00:00:00 | host1 | 0 |
|
|
| 1971-01-02T00:00:00 | host1 | 2 |
|
|
| 1970-01-01T00:00:00 | host2 | 4 |
|
|
| 1971-01-02T00:00:00 | host2 | 6 |
|
|
+---------------------+-------+-----------------------------------+
|
|
|
|
SELECT ts, host, min(val) RANGE ('1 hour'::INTERVAL) FROM host ALIGN ('1 hour'::INTERVAL) ORDER BY host, ts;
|
|
|
|
+---------------------+-------+------------------------------------+
|
|
| ts | host | min(host.val) RANGE Utf8("1 hour") |
|
|
+---------------------+-------+------------------------------------+
|
|
| 1970-01-01T01:00:00 | host1 | 0 |
|
|
| 1970-01-01T02:00:00 | host1 | 1 |
|
|
| 1971-01-02T03:00:00 | host1 | 2 |
|
|
| 1971-01-02T04:00:00 | host1 | 3 |
|
|
| 1970-01-01T01:00:00 | host2 | 4 |
|
|
| 1970-01-01T02:00:00 | host2 | 5 |
|
|
| 1971-01-02T03:00:00 | host2 | 6 |
|
|
| 1971-01-02T04:00:00 | host2 | 7 |
|
|
+---------------------+-------+------------------------------------+
|
|
|
|
SELECT ts, host, min(val) RANGE ('30 minute'::INTERVAL + '30 minute'::INTERVAL) FROM host ALIGN ('30 minute'::INTERVAL + '30 minute'::INTERVAL) ORDER BY host, ts;
|
|
|
|
+---------------------+-------+-----------------------------------------------------------+
|
|
| ts | host | min(host.val) RANGE Utf8("30 minute") + Utf8("30 minute") |
|
|
+---------------------+-------+-----------------------------------------------------------+
|
|
| 1970-01-01T01:00:00 | host1 | 0 |
|
|
| 1970-01-01T02:00:00 | host1 | 1 |
|
|
| 1971-01-02T03:00:00 | host1 | 2 |
|
|
| 1971-01-02T04:00:00 | host1 | 3 |
|
|
| 1970-01-01T01:00:00 | host2 | 4 |
|
|
| 1970-01-01T02:00:00 | host2 | 5 |
|
|
| 1971-01-02T03:00:00 | host2 | 6 |
|
|
| 1971-01-02T04:00:00 | host2 | 7 |
|
|
+---------------------+-------+-----------------------------------------------------------+
|
|
|
|
--- Test nested cast, even though it is meaningless ----
|
|
SELECT ts, host, min(val) RANGE ((INTERVAL '1' hour)::INTERVAL) FROM host ALIGN ('1 hour'::INTERVAL::INTERVAL) ORDER BY host, ts;
|
|
|
|
+---------------------+-------+---------------------------------------------------------------------------------------------------------------------+
|
|
| ts | host | min(host.val) RANGE IntervalMonthDayNano("IntervalMonthDayNano { months: 0, days: 0, nanoseconds: 3600000000000 }") |
|
|
+---------------------+-------+---------------------------------------------------------------------------------------------------------------------+
|
|
| 1970-01-01T01:00:00 | host1 | 0 |
|
|
| 1970-01-01T02:00:00 | host1 | 1 |
|
|
| 1971-01-02T03:00:00 | host1 | 2 |
|
|
| 1971-01-02T04:00:00 | host1 | 3 |
|
|
| 1970-01-01T01:00:00 | host2 | 4 |
|
|
| 1970-01-01T02:00:00 | host2 | 5 |
|
|
| 1971-01-02T03:00:00 | host2 | 6 |
|
|
| 1971-01-02T04:00:00 | host2 | 7 |
|
|
+---------------------+-------+---------------------------------------------------------------------------------------------------------------------+
|
|
|
|
DROP TABLE host;
|
|
|
|
Affected Rows: 0
|
|
|