initial

schema/create-schema.sql

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+create database soil_monitoring;
+-- create extension timescaledb;
+
+
+
+create table application_t (
+    id serial not null primary key,
+    device_id VARCHAR(32) NOT NULL UNIQUE,
+    label varchar(64) not null unique,
+    sensor_type varchar(16) not null
+);
+
+create table measurement_t (
+    time timestamp without time zone not null,
+    application_name varchar(64) not null,
+    moisture float,
+    temperature float,
+    conductivity float,
+    status varchar(16),
+    battery float
+);
+
+select create_hypertable('measurement_t', 'time');
+
+insert into application_t (device_id, label, sensor_type)
+    values('eui-a840412ee18341d5', 'saerbeck-bachaue', 'LSE01');
+
+-- create user preprocessor password 'geheim';
+grant select on application_t to preprocessor;
+grant insert on measurement_t to preprocessor;
+