diff options
Diffstat (limited to 'apps/soil-moisture.sql')
-rw-r--r-- | apps/soil-moisture.sql | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/apps/soil-moisture.sql b/apps/soil-moisture.sql new file mode 100644 index 0000000..7f16200 --- /dev/null +++ b/apps/soil-moisture.sql @@ -0,0 +1,24 @@ +DROP TABLE IF EXISTS soil_moisture_sample; +DROP TABLE IF EXISTS soil_moisture_sensor; +DROP TABLE IF EXISTS soil_moisture_device; + +DROP SEQUENCE IF EXISTS sm_id; +CREATE SEQUENCE sm_id; + +CREATE TABLE soil_moisture_device ( + id BIGINT PRIMARY KEY NOT NULL DEFAULT nextval('sm_id'), + mac VARCHAR(100) +); + +CREATE TABLE soil_moisture_sensor ( + id BIGINT PRIMARY KEY NOT NULL DEFAULT nextval('sm_id'), + device BIGINT NOT NULL REFERENCES soil_moisture_device, + sensor BIGINT NOT NULL +); + +CREATE TABLE soil_moisture_sample ( + sensor BIGINT NOT NULL REFERENCES soil_moisture_sensor, + timestamp BIGINT NOT NULL, + value BIGINT NOT NULL, + PRIMARY KEY (sensor, timestamp) +) WITHOUT OIDS; |