This commit is contained in:
2023-02-17 11:54:17 +01:00
parent a9b93ae3e8
commit e089ef2fd0
7 changed files with 186 additions and 127 deletions

31
schema/create-schema.sql Normal file
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create database level_monitoring;
create extension timescaledb;
create table application_t (
id serial not null primary key,
device_id VARCHAR(32) NOT NULL UNIQUE,
label varchar(16) not null unique,
sensor_type varchar(16) not null,
ground_level numeric(10, 0) not null
);
create table measurement_t (
time timestamp without time zone not null,
application_name varchar(16) not null,
raw_level numeric(10, 0),
level numeric(10, 0),
status varchar(16),
battery float
);
select create_hypertable('measurement_t', 'time');
insert into application_t (device_id, label, sensor_type, ground_level)
values('eui-a84041a2c18341d6', 'deilbach', 'LDDS75', 300);
create user preprocessor password 'geheim';
grant select on application_t to preprocessor;
grant insert on measurement_t to preprocessor;

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-- extend the schema monitoring from badesee application
create table level_sensor_t (
id serial not null primary key,
sensor_type varchar(16) not null,
ground_level numeric(10, 0) not null,
device integer not null references device_id(id),
unique(device)
);
create table level_measurement_t (
time timestamp without time zone not null,
device_name varchar(16) not null,
raw_level numeric(10, 0),
level numeric(10, 0),
status varchar(16),
battery float
);
select create_hypertable('level_measurement_t', 'time');
insert into device_t (device_id, label) values('eui-a84041a2c18341d6', 'deilbach');
insert into level_sensor_t (sensor_type, ground_level, device)
values('LDDS75', 300, (select id from device_t where device_id='eui-a84041a2c18341d6'));
create user level_preprocessor password 'geheim';
grant select on device_t, level_sensor_t to level_preprocessor;
grant insert on level_measurement_t to level_preprocessor;