roost/node/create_tables.sql

CREATE DATABASE IF NOT EXISTS Chickens;

USE Chickens;

CREATE TABLE IF NOT EXISTS Users (
    name TEXT UNIQUE NOT NULL,
    creation_time TIMESTAMP DEFAULT CURRENT_TIMESTAMP
);

CREATE TABLE IF NOT EXISTS Nodes (
  hardware_id VARCHAR(255) UNIQUE NOT NULL,
  friendly_name TEXT NOT NULL,
  creation_time TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
  author TEXT NOT NULL,
  CONSTRAINT FOREIGN KEY (author) REFERENCES Users(name)
);

CREATE TABLE IF NOT EXISTS Groups (
  name VARCHAR(255) UNIQUE NOT NULL,
  author TEXT NOT NULL,
  creation_time TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
  CONSTRAINT FOREIGN KEY (author) REFERENCES Users(name)
);

CREATE TABLE IF NOT EXISTS Node2Group (
  node VARCHAR(255) NOT NULL,
  node_group VARCHAR(255) NOT NULL,
  author TEXT NOT NULL,
  creation_time TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
  CONSTRAINT unique_pairing UNIQUE(node, node_group),
  CONSTRAINT FOREIGN KEY (author) REFERENCES Users(name),
  CONSTRAINT FOREIGN KEY (node) REFERENCES Nodes(hardware_id),
  CONSTRAINT FOREIGN KEY (node_group) REFERENCES Groups(name)
);

CREATE TABLE IF NOT EXISTS GroupType (
  name VARCHAR(255) UNIQUE NOT NULL,
  author TEXT NOT NULL,
  creation_time TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
  CONSTRAINT FOREIGN KEY (author) REFERENCES Users(name)
);

CREATE TABLE IF NOT EXISTS GroupParent (
  child VARCHAR(255) NOT NULL,
  parent VARCHAR(255) NOT NULL,
  author TEXT NOT NULL,
  creation_time TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
  CONSTRAINT unique_relation UNIQUE(child, parent),
  CONSTRAINT FOREIGN KEY (author) REFERENCES Users(name),
  CONSTRAINT FOREIGN KEY (child) REFERENCES Nodes(hardware_id),
  CONSTRAINT FOREIGN KEY (parent) REFERENCES Nodes(hardware_id)
);

CREATE TABLE IF NOT EXISTS Group2Type (
  group_name VARCHAR(255) NOT NULL,
  type TEXT NOT NULL,
  author TEXT NOT NULL,
  creation_time TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
  CONSTRAINT unique_grouptype UNIQUE(group_name, type),
  CONSTRAINT FOREIGN KEY (author) REFERENCES Users(name),
  CONSTRAINT FOREIGN KEY (group_name) REFERENCES Groups(name),
  CONSTRAINT FOREIGN KEY (type) REFERENCES GroupType(name)
);

--CREATE TABLE IF NOT EXISTS Measurement (
--  source_node VARCHAR(255) NOT NULL,
--  reporting_node VARCHAR(255) NOT NULL,
--  associated_group TEXT NOT NULL,
--  collection_time TIMESTAMP NOT NULL,
--  server_received_time TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
--  temperature_18_inch FLOAT NOT NULL,
--  temperature_36_inch FLOAT NOT NULL,
--  device_temperature FLOAT NOT NULL,
--  ambient_temperature FLOAT NOT NULL,
--  relative_humidity FLOAT NOT NULL,
--  barometric_pressure FLOAT NOT NULL,
--  accelerometer_x FLOAT NOT NULL,
--  accelerometer_y FLOAT NOT NULL,
--  accelerometer_z FLOAT NOT NULL,
--  battery_charge_percent FLOAT NOT NULL,
--  battery_voltage FLOAT NOT NULL,
--  remaining_battery_capacity FLOAT NOT NULL,
--  CONSTRAINT device_measurement UNIQUE(source_node, collection_time),
--  CONSTRAINT FOREIGN KEY (source_node) REFERENCES Nodes(hardware_id),
--  CONSTRAINT FOREIGN KEY (reporting_node) REFERENCES Nodes(hardware_id),
--  CONSTRAINT FOREIGN KEY (associated_group) REFERENCES Groups(name)
--);

CREATE TABLE IF NOT EXISTS Measurement (
  source_node VARCHAR(255) NOT NULL,
  reporting_node VARCHAR(255) NOT NULL,
  associated_group VARCHAR(255) NOT NULL,
  collection_time TIMESTAMP NOT NULL,
  server_received_time TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
  temperature_18_inch FLOAT NOT NULL,
  temperature_36_inch FLOAT NOT NULL,
  device_temperature FLOAT NOT NULL,
  ambient_temperature FLOAT NOT NULL,
  relative_humidity FLOAT NOT NULL,
  barometric_pressure FLOAT NOT NULL,
  accelerometer_x FLOAT NOT NULL,
  accelerometer_y FLOAT NOT NULL,
  accelerometer_z FLOAT NOT NULL,
  battery_charge_percent FLOAT NOT NULL,
  battery_voltage FLOAT NOT NULL,
  remaining_battery_capacity FLOAT NOT NULL,
  CONSTRAINT device_measurement UNIQUE(source_node, collection_time),
  CONSTRAINT FOREIGN KEY (source_node) REFERENCES Nodes(hardware_id),
  CONSTRAINT FOREIGN KEY (reporting_node) REFERENCES Nodes(hardware_id)
);

CREATE TABLE IF NOT EXISTS NodeRssiRecord (
  node VARCHAR(255) NOT NULL,
  neighbor VARCHAR(255) NOT NULL,
  rssi INT NOT NULL,
  collection_time TIMESTAMP NOT NULL,
  server_received_time TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
  CONSTRAINT unique_thing UNIQUE(node, neighbor, collection_time),
  CONSTRAINT FOREIGN KEY (node) REFERENCES Nodes(hardware_id),
  CONSTRAINT FOREIGN KEY (neighbor) REFERENCES Nodes(hardware_id)
);

CREATE TABLE IF NOT EXISTS NodeFileManifest (
  node VARCHAR(255) NOT NULL,
  collection_time TIMESTAMP NOT NULL,
  server_received_time TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
  program_id INT NOT NULL,
  program_version INT NOT NULL,
  CONSTRAINT unique_version UNIQUE(node, collection_time, program_id),
  CONSTRAINT FOREIGN KEY (node) REFERENCES Nodes(hardware_id)
);

CREATE TABLE IF NOT EXISTS NodeReportedStatus (
  node VARCHAR(255) NOT NULL,
  collection_time TIMESTAMP NOT NULL,
  server_received_time TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
  measurement_interval_minutes INT NOT NULL,
  wake_window_length_minutes INT NOT NULL,
  offset_from_midnight_minutes INT NOT NULL,
  sleep_duration_minutes INT NOT NULL,
  number_saved_measurements INT NOT NULL,
  when_time_was_last_updated TIMESTAMP NOT NULL,
  CONSTRAINT unique_status UNIQUE(node, collection_time),
  CONSTRAINT FOREIGN KEY (node) REFERENCES Nodes(hardware_id)
);

CREATE TABLE IF NOT EXISTS NodeConfiguration (
  node VARCHAR(255) NOT NULL,
  author TEXT NOT NULL,
  creation_time TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
  measurement_interval_minutes INT NOT NULL,
  offset_from_midnight_minutes INT NOT NULL,
  wake_window_length_minutes INT NOT NULL,
  CONSTRAINT FOREIGN KEY (author) REFERENCES Users(name),
  CONSTRAINT FOREIGN KEY (node) REFERENCES Nodes(hardware_id)
);