mirror of
https://github.com/GreptimeTeam/greptimedb.git
synced 2025-12-29 01:12:56 +00:00
* fix: insert distributed table if partition column has default value * Address review * address review * address review * chore: introduce assert_columns --------- Co-authored-by: WenyXu <wenymedia@gmail.com>
44 lines
1.0 KiB
SQL
44 lines
1.0 KiB
SQL
CREATE TABLE system_metrics (
|
|
host STRING,
|
|
idc STRING,
|
|
cpu_util DOUBLE,
|
|
memory_util DOUBLE,
|
|
disk_util DOUBLE,
|
|
ts TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
|
|
PRIMARY KEY(host, idc),
|
|
TIME INDEX(ts)
|
|
);
|
|
|
|
INSERT INTO system_metrics
|
|
VALUES
|
|
("host1", "idc_a", 11.8, 10.3, 10.3, 1667446797450),
|
|
("host2", "idc_a", 80.1, 70.3, 90.0, 1667446797450),
|
|
("host1", "idc_b", 50.0, 66.7, 40.6, 1667446797450);
|
|
|
|
SELECT * FROM system_metrics;
|
|
|
|
SELECT count(*) FROM system_metrics;
|
|
|
|
SELECT avg(cpu_util) FROM system_metrics;
|
|
|
|
SELECT idc, avg(memory_util) FROM system_metrics GROUP BY idc ORDER BY idc;
|
|
|
|
DROP TABLE system_metrics;
|
|
|
|
create table foo (
|
|
host string,
|
|
ts timestamp DEFAULT '2023-04-29 00:00:00+00:00',
|
|
cpu double default 0,
|
|
TIME INDEX (ts),
|
|
PRIMARY KEY(host)
|
|
) engine=mito with(regions=1);
|
|
|
|
insert into foo (host, cpu, ts) values ('host1', 1.1, '2000-01-01 00:00:00+00:00');
|
|
|
|
insert into foo (host, cpu) values ('host2', 2.2);
|
|
|
|
insert into foo (host) values ('host3');
|
|
|
|
select * from foo;
|
|
|
|
DROP TABLE foo; |