database

src/udi/database/schema.sql

@@ -0,0 +1,41 @@
+create extension if not exists timescaledb;
+
+create table application_t (
+  id serial not null primary key,
+  label text not null unique,
+  attributes jsonb
+);
+
+create table sensor_type_t (
+  id serial not null primary key,
+  label text not null unique,
+  variable text not null,
+  unit text not null,
+  converter text not null,
+  attributes jsonb
+);
+
+create table sensor_t (
+  id serial not null primary key,
+  label text not null,
+  application int references application_t(id),
+  sensor_type int references sensor_type_t(id),
+  attributes jsonb,
+  unique (label, application)
+);
+
+create table measurement_t (
+  time timestamp without time zone not null,
+  application text not null,
+  sensor_type text not null,
+  sensor text not null,
+  variable text not null,
+  unit text not null,
+  value double precision not null,
+  attributes jsonb
+);
+
+select create_hypertable('measurement_t', 'time');
+
+
+