feat: mysql 自定义初始化

backend/src/main/resources/db/init/01_schema.sql

@@ -0,0 +1,57 @@
+USE `openisle`;
+
+SET NAMES utf8mb4;
+SET FOREIGN_KEY_CHECKS = 0;
+
+-- users 表
+CREATE TABLE IF NOT EXISTS `users` (
+  `id` bigint NOT NULL AUTO_INCREMENT,
+  `approved` bit(1) DEFAULT NULL,
+  `avatar` varchar(255) DEFAULT NULL,
+  `created_at` datetime(6) DEFAULT NULL,
+  `display_medal` varchar(255) DEFAULT NULL,
+  `email` varchar(255) NOT NULL,
+  `experience` int DEFAULT NULL,
+  `introduction` text,
+  `password` varchar(255) NOT NULL,
+  `password_reset_code` varchar(255) DEFAULT NULL,
+  `point` int DEFAULT NULL,
+  `register_reason` text,
+  `role` varchar(20) DEFAULT 'USER',
+  `username` varchar(50) NOT NULL,
+  `verification_code` varchar(255) DEFAULT NULL,
+  `verified` bit(1) DEFAULT NULL,
+  PRIMARY KEY (`id`),
+  UNIQUE KEY `UK_users_email` (`email`),
+  UNIQUE KEY `UK_users_username` (`username`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;
+
+-- categories 表
+CREATE TABLE IF NOT EXISTS `categories` (
+  `id` bigint NOT NULL AUTO_INCREMENT,
+  `description` text,
+  `icon` varchar(255) DEFAULT NULL,
+  `name` varchar(50) NOT NULL,
+  `small_icon` varchar(255) DEFAULT NULL,
+  PRIMARY KEY (`id`),
+  UNIQUE KEY `UK_categories_name` (`name`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;
+
+-- tags 表（依赖 users.id 外键）
+CREATE TABLE IF NOT EXISTS `tags` (
+  `id` bigint NOT NULL AUTO_INCREMENT,
+  `approved` bit(1) DEFAULT NULL,
+  `created_at` datetime(6) DEFAULT NULL,
+  `description` text,
+  `icon` varchar(255) DEFAULT NULL,
+  `name` varchar(50) NOT NULL,
+  `small_icon` varchar(255) DEFAULT NULL,
+  `creator_id` bigint DEFAULT NULL,
+  PRIMARY KEY (`id`),
+  UNIQUE KEY `UK_tags_name` (`name`),
+  KEY `FK_tags_creator` (`creator_id`),
+  CONSTRAINT `FK_tags_creator` FOREIGN KEY (`creator_id`) REFERENCES `users` (`id`)
+    ON DELETE SET NULL ON UPDATE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;
+
+SET FOREIGN_KEY_CHECKS = 1;