database_init.sql

SET SQL_MODE = "NO_AUTO_VALUE_ON_ZERO";
SET time_zone = "+00:00";

/*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */;
/*!40101 SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS */;
/*!40101 SET @OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION */;
/*!40101 SET NAMES utf8mb4 */;


CREATE TABLE `data` (
  `id` int(10) UNSIGNED NOT NULL,
  `station_id` int(10) UNSIGNED NOT NULL,
  `timestamp` datetime NOT NULL,
  `type_id` int(10) UNSIGNED NOT NULL,
  `value` float NOT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

CREATE TABLE `station` (
  `id` int(10) UNSIGNED NOT NULL,
  `name` varchar(256) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

CREATE TABLE `type` (
  `id` int(10) UNSIGNED NOT NULL,
  `name` varchar(64) NOT NULL,
  `unit` varchar(16) NOT NULL,
  `conversion_factor` float NOT NULL DEFAULT '1'
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;


ALTER TABLE `data`
  ADD PRIMARY KEY (`id`),
  ADD UNIQUE KEY `id` (`id`),
  ADD UNIQUE KEY `station_id_2` (`station_id`,`timestamp`,`type_id`),
  ADD KEY `timestamp` (`timestamp`),
  ADD KEY `station_id` (`station_id`);

ALTER TABLE `station`
  ADD PRIMARY KEY (`id`),
  ADD UNIQUE KEY `id` (`id`);

ALTER TABLE `type`
  ADD PRIMARY KEY (`id`),
  ADD UNIQUE KEY `id` (`id`),
  ADD UNIQUE KEY `name` (`name`),
  ADD KEY `name_2` (`name`);

/*!40101 SET CHARACTER_SET_CLIENT=@OLD_CHARACTER_SET_CLIENT */;
/*!40101 SET CHARACTER_SET_RESULTS=@OLD_CHARACTER_SET_RESULTS */;
/*!40101 SET COLLATION_CONNECTION=@OLD_COLLATION_CONNECTION */;