26 lines
647 B
MySQL
26 lines
647 B
MySQL
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CREATE TABLE device_t {
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id SERIAL NOT NULL PRIMARY KEY,
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device_id VARCHAR(32) NOT NULL UNIQUE,
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label VARCHAR(16) NOT NULL
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};
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CREATE TABLE sensor_t {
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id SERIAL NOT NULL PRIMARY KEY,
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address NUMERIC NOT NULL UNIQUE,
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label VARCHAR(5) NOT NULL,
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index SMALLINT NOT NULL,
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device INTEGER NOT NULL REFERENCES device_t(id),
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unique (label, device),
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unique (index, device)
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};
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CREATE TABLE measurement_t {
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time TIMESTAMP WITHOUT TIME ZONE NOT NULL,
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device_name VARCHAR(16) NOT NULL,
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sensor_name VARCHAR(5) NOT NULL,
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temperature DOUBLE PRECISION
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};
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SELECT create_hypertable('measurement_t', 'time');
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