v2.2更新

sql/init.sql

@@ -202,6 +202,26 @@ CREATE TABLE IF NOT EXISTS `semester_archives` (
     FOREIGN KEY (`student_id`) REFERENCES `students`(`student_id`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
 
+-- 系统设置表
+CREATE TABLE IF NOT EXISTS `system_settings` (
+    `setting_key` VARCHAR(50) PRIMARY KEY,
+    `setting_value` VARCHAR(255) NOT NULL,
+    `updated_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+-- 性能索引（v2.0）
+CREATE INDEX `idx_conduct_semester` ON `conduct_records`(`semester_id`);
+CREATE INDEX `idx_attendance_semester` ON `attendance_records`(`semester_id`);
+CREATE INDEX `idx_conduct_student` ON `conduct_records`(`student_id`);
+
+-- 性能索引（v2.1）
+CREATE INDEX `idx_student_created` ON `conduct_records`(`student_id`, `created_at`);
+CREATE INDEX `idx_recorder_id` ON `conduct_records`(`recorder_id`);
+CREATE INDEX `idx_date` ON `attendance_records`(`date`);
+CREATE INDEX `idx_username_created` ON `login_logs`(`username`, `created_at`);
+CREATE INDEX `idx_operator_created` ON `operation_logs`(`operator_id`, `created_at`);
+CREATE INDEX `idx_semester_id` ON `semester_archives`(`semester_id`);
+
 SET FOREIGN_KEY_CHECKS = 1;
 
 -- 插入初始科目（仅语数英，如不存在）
@@ -210,4 +230,10 @@ INSERT IGNORE INTO `subjects` (`subject_name`, `subject_code`, `sort_order`) VAL
 ('数学', 'MATH', 2),
 ('英语', 'ENG', 3);
 
-SELECT '数据库初始化完成！' AS message;
+-- 初始化系统版本号
+INSERT INTO `system_settings` (`setting_key`, `setting_value`)
+VALUES ('db_version', '2.2')
+ON DUPLICATE KEY UPDATE `setting_value` = '2.2';
+
+-- 控制台输出初始化结果（含版本号）
+SELECT CONCAT('数据库初始化完成！版本: v', (SELECT setting_value FROM system_settings WHERE setting_key = 'db_version')) AS message;