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-- 校园管理系统数据库补丁
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-- 文件: patch_2025-07-11_hq_hall_info_deleted.sql
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-- 目的: 为测试环境 hq_hall_info 表新增逻辑删除字段 deleted,并创建对应索引
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-- 执行环境: 测试库 (请在生产环境执行前再次确认)
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-- 创建时间: 2025-07-11 10:00:00
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-- 创建人: wuzilong
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-- 1. 新增 deleted 字段,默认值为0 (0: 存在, 1: 删除)
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ALTER TABLE `hq_hall_info`
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ADD COLUMN `deleted` TINYINT(1) DEFAULT '0' COMMENT '删除标志(0代表存在 1代表删除)' AFTER `update_time`;
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-- 2. 创建 deleted 字段索引,加速查询
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ALTER TABLE `hq_hall_info`
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ADD INDEX `idx_deleted` (`deleted`);
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-- 补丁结束
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