132 lines
4.0 KiB
SQL
132 lines
4.0 KiB
SQL
-- ===========================================
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-- 班级操行分管理系统 - v1.7 → v1.8 升级脚本
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-- 字符集: utf8mb4
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--
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-- 变更内容:
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-- 1. conduct_records 表添加 related_type 列
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-- 2. conduct_records 表添加 semester_id 列 + 外键
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-- 3. attendance_records 表添加 semester_id 列 + 外键
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--
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-- 兼容性: 使用存储过程实现幂等，phpMyAdmin 可直接执行
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-- ===========================================
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-- ===========================================
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-- 升级步骤 1: conduct_records 添加 related_type 列
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-- ===========================================
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DROP PROCEDURE IF EXISTS `upgrade_step`;
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DELIMITER $$
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CREATE PROCEDURE `upgrade_step`()
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BEGIN
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IF NOT EXISTS (
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SELECT * FROM INFORMATION_SCHEMA.COLUMNS
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WHERE TABLE_SCHEMA = DATABASE()
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AND TABLE_NAME = 'conduct_records'
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AND COLUMN_NAME = 'related_type'
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) THEN
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ALTER TABLE `conduct_records`
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ADD COLUMN `related_type` ENUM('manual', 'homework', 'attendance') DEFAULT 'manual'
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AFTER `recorder_name`;
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END IF;
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END$$
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DELIMITER ;
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CALL `upgrade_step`();
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DROP PROCEDURE IF EXISTS `upgrade_step`;
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-- ===========================================
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-- 升级步骤 2: conduct_records 添加 semester_id 列
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-- ===========================================
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DROP PROCEDURE IF EXISTS `upgrade_step`;
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DELIMITER $$
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CREATE PROCEDURE `upgrade_step`()
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BEGIN
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IF NOT EXISTS (
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SELECT * FROM INFORMATION_SCHEMA.COLUMNS
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WHERE TABLE_SCHEMA = DATABASE()
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AND TABLE_NAME = 'conduct_records'
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AND COLUMN_NAME = 'semester_id'
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) THEN
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ALTER TABLE `conduct_records`
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ADD COLUMN `semester_id` INT DEFAULT NULL COMMENT '所属学期ID'
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AFTER `revoked_at`;
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END IF;
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END$$
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DELIMITER ;
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CALL `upgrade_step`();
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DROP PROCEDURE IF EXISTS `upgrade_step`;
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-- ===========================================
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-- 升级步骤 3: conduct_records 添加 semester_id 外键
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-- ===========================================
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DROP PROCEDURE IF EXISTS `upgrade_step`;
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DELIMITER $$
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CREATE PROCEDURE `upgrade_step`()
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BEGIN
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IF NOT EXISTS (
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SELECT * FROM INFORMATION_SCHEMA.KEY_COLUMN_USAGE
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WHERE TABLE_SCHEMA = DATABASE()
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AND TABLE_NAME = 'conduct_records'
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AND COLUMN_NAME = 'semester_id'
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AND REFERENCED_TABLE_NAME IS NOT NULL
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) THEN
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ALTER TABLE `conduct_records`
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ADD FOREIGN KEY (`semester_id`) REFERENCES `semesters`(`semester_id`) ON DELETE SET NULL;
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END IF;
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END$$
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DELIMITER ;
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CALL `upgrade_step`();
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DROP PROCEDURE IF EXISTS `upgrade_step`;
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-- ===========================================
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-- 升级步骤 4: attendance_records 添加 semester_id 列
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-- ===========================================
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DROP PROCEDURE IF EXISTS `upgrade_step`;
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DELIMITER $$
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CREATE PROCEDURE `upgrade_step`()
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BEGIN
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IF NOT EXISTS (
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SELECT * FROM INFORMATION_SCHEMA.COLUMNS
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WHERE TABLE_SCHEMA = DATABASE()
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AND TABLE_NAME = 'attendance_records'
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AND COLUMN_NAME = 'semester_id'
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) THEN
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ALTER TABLE `attendance_records`
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ADD COLUMN `semester_id` INT DEFAULT NULL COMMENT '所属学期ID'
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AFTER `deduction_record_id`;
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END IF;
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END$$
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DELIMITER ;
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CALL `upgrade_step`();
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DROP PROCEDURE IF EXISTS `upgrade_step`;
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-- ===========================================
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-- 升级步骤 5: attendance_records 添加 semester_id 外键
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-- ===========================================
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DROP PROCEDURE IF EXISTS `upgrade_step`;
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DELIMITER $$
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CREATE PROCEDURE `upgrade_step`()
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BEGIN
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IF NOT EXISTS (
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SELECT * FROM INFORMATION_SCHEMA.KEY_COLUMN_USAGE
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WHERE TABLE_SCHEMA = DATABASE()
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AND TABLE_NAME = 'attendance_records'
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AND COLUMN_NAME = 'semester_id'
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AND REFERENCED_TABLE_NAME IS NOT NULL
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) THEN
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ALTER TABLE `attendance_records`
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ADD FOREIGN KEY (`semester_id`) REFERENCES `semesters`(`semester_id`) ON DELETE SET NULL;
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END IF;
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END$$
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DELIMITER ;
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CALL `upgrade_step`();
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DROP PROCEDURE IF EXISTS `upgrade_step`;
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