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https://github.com/GreptimeTeam/greptimedb.git
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34 lines
999 B
SQL
34 lines
999 B
SQL
TRUNCATE TABLE not_exists_table;
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CREATE TABLE monitor (host STRING, ts TIMESTAMP, cpu DOUBLE DEFAULT 0, memory DOUBLE, TIME INDEX (ts), PRIMARY KEY(host));
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INSERT INTO monitor(ts, host, cpu, memory) VALUES
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(1695217652000, 'host1', 66.6, 1024),
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(1695217652000, 'host2', 66.6, 1024),
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(1695217652000, 'host3', 66.6, 1024),
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(1695217654000, 'host1', 77.7, 2048),
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(1695217654000, 'host2', 77.7, 2048),
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(1695217654000, 'host3', 77.7, 2048),
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(1695217656000, 'host1', 88.8, 4096),
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(1695217656000, 'host2', 88.8, 4096),
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(1695217656000, 'host3', 88.8, 4096);
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SELECT ts, host, cpu, memory FROM monitor ORDER BY ts;
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TRUNCATE monitor;
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SELECT ts, host, cpu, memory FROM monitor ORDER BY ts;
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INSERT INTO monitor(ts, host, cpu, memory) VALUES
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(1695217660000, 'host1', 88.8, 4096),
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(1695217662000, 'host2', 88.8, 4096),
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(1695217664000, 'host3', 88.8, 4096);
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SELECT ts, host, cpu, memory FROM monitor ORDER BY ts;
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TRUNCATE monitor;
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SELECT ts, host, cpu, memory FROM monitor ORDER BY ts;
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DROP TABLE monitor;
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