mirror of
https://github.com/GreptimeTeam/greptimedb.git
synced 2026-05-26 09:50:40 +00:00
b3b43fe1c3
* fix: table options can't be found in distributed mode * refactor: use iterator for regions_numbers * chore: remove TODO
76 lines
3.5 KiB
Plaintext
76 lines
3.5 KiB
Plaintext
CREATE TABLE system_metrics (
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id INT UNSIGNED,
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host STRING,
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cpu DOUBLE,
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disk FLOAT,
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n INT COMMENT 'range key',
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ts TIMESTAMP NOT NULL DEFAULT current_timestamp(),
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TIME INDEX (ts),
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PRIMARY KEY (id, host)
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)
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PARTITION BY RANGE COLUMNS (n) (
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PARTITION r0 VALUES LESS THAN (5),
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PARTITION r1 VALUES LESS THAN (9),
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PARTITION r2 VALUES LESS THAN (MAXVALUE),
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)
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ENGINE=mito;
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Affected Rows: 0
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SHOW CREATE TABLE system_metrics;
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+----------------+----------------------------------------------------------+
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| Table | Create Table |
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+----------------+----------------------------------------------------------+
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| system_metrics | CREATE TABLE IF NOT EXISTS system_metrics ( |
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| | id INT UNSIGNED NULL, |
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| | host STRING NULL, |
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| | cpu DOUBLE NULL, |
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| | disk FLOAT NULL, |
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| | n INT NULL, |
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| | ts TIMESTAMP(3) NOT NULL DEFAULT current_timestamp(), |
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| | TIME INDEX (ts), |
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| | PRIMARY KEY (id, host) |
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| | ) |
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| | PARTITION BY RANGE COLUMNS (n) ( |
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| | PARTITION r0 VALUES LESS THAN (5), |
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| | PARTITION r1 VALUES LESS THAN (9), |
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| | PARTITION r2 VALUES LESS THAN (MAXVALUE) |
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| | ) |
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| | ENGINE=mito |
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| | WITH( |
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| | regions = 3 |
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| | ) |
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+----------------+----------------------------------------------------------+
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DROP TABLE system_metrics;
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Affected Rows: 1
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create table table_without_partition (
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ts TIMESTAMP TIME INDEX NOT NULL DEFAULT current_timestamp()
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);
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Affected Rows: 0
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show create table table_without_partition;
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+-------------------------+---------------------------------------------------------+
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| Table | Create Table |
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+-------------------------+---------------------------------------------------------+
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| table_without_partition | CREATE TABLE IF NOT EXISTS table_without_partition ( |
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| | ts TIMESTAMP(3) NOT NULL DEFAULT current_timestamp(), |
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| | TIME INDEX (ts) |
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| | ) |
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| | |
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| | ENGINE=mito |
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| | WITH( |
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| | regions = 1 |
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| | ) |
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+-------------------------+---------------------------------------------------------+
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drop table table_without_partition;
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Affected Rows: 1
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