CREATE TABLE IF NOT EXISTS `twitter_accounts` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `username` varchar(50) CHARACTER SET utf8 NOT NULL DEFAULT '0',
  `password` varchar(50) COLLATE utf8mb4_bin NOT NULL DEFAULT '0',
  `avatar_url` varchar(255) COLLATE utf8mb4_bin DEFAULT NULL,
  PRIMARY KEY (`id`),
  UNIQUE KEY `username` (`username`)
) ENGINE=InnoDB AUTO_INCREMENT=38 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;

CREATE TABLE IF NOT EXISTS `twitter_tweets` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `authorId` int(11) NOT NULL,
  `realUser` varchar(50) COLLATE utf8mb4_unicode_ci DEFAULT NULL,
  `message` varchar(256) COLLATE utf8mb4_unicode_ci NOT NULL,
  `time` timestamp NOT NULL DEFAULT current_timestamp(),
  `likes` int(11) NOT NULL DEFAULT 0,
  PRIMARY KEY (`id`),
  KEY `FK_twitter_tweets_twitter_accounts` (`authorId`),
  CONSTRAINT `FK_twitter_tweets_twitter_accounts` FOREIGN KEY (`authorId`) REFERENCES `twitter_accounts` (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=170 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE IF NOT EXISTS `twitter_likes` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `authorId` int(11) DEFAULT NULL,
  `tweetId` int(11) DEFAULT NULL,
  PRIMARY KEY (`id`),
  KEY `FK_twitter_likes_twitter_accounts` (`authorId`),
  KEY `FK_twitter_likes_twitter_tweets` (`tweetId`),
  CONSTRAINT `FK_twitter_likes_twitter_accounts` FOREIGN KEY (`authorId`) REFERENCES `twitter_accounts` (`id`),
  CONSTRAINT `FK_twitter_likes_twitter_tweets` FOREIGN KEY (`tweetId`) REFERENCES `twitter_tweets` (`id`) ON DELETE CASCADE
) ENGINE=InnoDB AUTO_INCREMENT=137 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;