schema

schema/create-schema.sql

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+create database cem_monitoring;
+-- create extension timescaledb;
+
+
+
+create table application_t (
+    id serial not null primary key,
+    app_id VARCHAR(32) NOT NULL UNIQUE,
+    label varchar(128) not null unique
+);
+
+create table variable_t (
+    id serial not null primary key,
+    app integer references application_t(id),
+    converter_id varchar(16) not null,
+    device_id varchar(16) not null,
+    variable_id varchar(16) not null,
+    label varchar(128) not null unique,
+    unit varchar(16),
+    unique (app, converter_id, device_id, variable_id)
+);
+
+create table measurement_t (
+    time timestamp without time zone not null,
+    application varchar(128) not null,
+    variable varchar(128) not null,
+    unit varchar(16),
+    value float
+);
+
+select create_hypertable('measurement_t', 'time');
+
+insert into application_t (app_id, label) values('ku226', 'Kupferdreher Str. 226, Essen');
+insert into variable_t (app, converter_id, device_id, variable_id, label, unit)
+	values ((select id from application_t where app_id = 'ku226'), '1', 'bhkw', 'u', 'BHKW Spannung', 'V'),
+	       ((select id from application_t where app_id = 'ku226'), '1', 'bhkw', 'p', 'BHKW Leistung', 'W'),
+               ((select id from application_t where app_id = 'ku226'), '1', 'bhkw', 'import', 'BHKW Energie Export', 'Wh'),
+               ((select id from application_t where app_id = 'ku226'), '1', 'bhkw', 'export', 'BHKW Energie Import', 'Wh'),
+               ((select id from application_t where app_id = 'ku226'), '1', 'pv', 'u', 'PV Spannung', 'V'),
+               ((select id from application_t where app_id = 'ku226'), '1', 'pv', 'p', 'PV Leistung', 'W'),
+               ((select id from application_t where app_id = 'ku226'), '1', 'pv', 'import', 'PV Energie Export', 'Wh'),
+               ((select id from application_t where app_id = 'ku226'), '1', 'pv', 'export', 'PV Energie Import', 'Wh')
+	;
+
+
+
+
+-- create user preprocessor password 'geheim';
+grant select on application_t to preprocessor;
+grant select on variable_t to preprocessor;
+grant insert on measurement_t to preprocessor;
+