database

schema/create-schema.sql

@@ -0,0 +1,25 @@
+CREATE TABLE device_t {
+    id SERIAL NOT NULL PRIMARY KEY,
+    device_id VARCHAR(32) NOT NULL UNIQUE,
+    label VARCHAR(16) NOT NULL
+};
+
+CREATE TABLE sensor_t {
+    id SERIAL NOT NULL PRIMARY KEY,
+    address NUMERIC NOT NULL UNIQUE,
+    label VARCHAR(5) NOT NULL,
+    index SMALLINT NOT NULL,
+    device INTEGER NOT NULL REFERENCES device_t(id),
+    unique (label, device),
+    unique (index, device)
+};
+
+CREATE TABLE measurement_t {
+    time TIMESTAMP WITHOUT TIME ZONE NOT NULL,
+    device_name VARCHAR(16) NOT NULL,
+    sensor_name VARCHAR(5) NOT NULL,
+    temperature DOUBLE PRECISION
+};
+
+SELECT create_hypertable('measurement_t', 'time');
+