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;