From 22e6734ce3dc3d246837bb05e2df47fc5c07f224 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=90=B4=E5=B1=95=E9=B9=8F?= <wsh5485@163.com>
Date: Wed, 19 Nov 2025 01:15:32 +0800
Subject: [PATCH] =?UTF-8?q?refactor(=E6=95=B0=E6=8D=AE=E5=BA=93):=20?=
 =?UTF-8?q?=E7=A7=BB=E9=99=A4updated=5Fat=E5=AD=97=E6=AE=B5=E7=9A=84?=
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修改packages和bookings表的updated_at字段，从自动更新改为可空字段，以提供更灵活的时间戳控制
---
 carwash_db.sql | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/carwash_db.sql b/carwash_db.sql
index 57e7259..5ce2200 100644
--- a/carwash_db.sql
+++ b/carwash_db.sql
@@ -12,7 +12,7 @@ CREATE TABLE IF NOT EXISTS packages (
     services TEXT NOT NULL COMMENT '包含的服务项目(用逗号分隔)',
     is_active BOOLEAN DEFAULT TRUE,
     created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
-    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP
+    updated_at TIMESTAMP NULL
 );
 
 -- 修改预约表支持时间段
@@ -32,7 +32,7 @@ CREATE TABLE IF NOT EXISTS bookings (
     notes TEXT,
     status ENUM('待确认', '已确认', '进行中', '已完成', '已取消') DEFAULT '待确认',
     created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
-    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP NULL,
     FOREIGN KEY (package_id) REFERENCES packages(id) ON DELETE SET NULL
 );