From 0c1dd71dca1d30622bce85e408afd08f55baeb19 Mon Sep 17 00:00:00 2001
From: zyh <zhangyahao530@163.com>
Date: Sat, 30 Aug 2025 22:59:18 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20=E4=B8=BAannouncement=E8=A1=A8=E6=B7=BB?=
 =?UTF-8?q?=E5=8A=A0belong=5Fid=E5=AD=97=E6=AE=B5=E4=BB=A5=E5=85=B3?=
 =?UTF-8?q?=E8=81=94=E4=BB=A3=E7=90=86=E5=95=86=E5=92=8C=E5=85=AC=E5=91=8A?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../resources/db_migration_add_belong_id.sql  | 23 +++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 src/main/resources/db_migration_add_belong_id.sql

diff --git a/src/main/resources/db_migration_add_belong_id.sql b/src/main/resources/db_migration_add_belong_id.sql
new file mode 100644
index 0000000..b7629a5
--- /dev/null
+++ b/src/main/resources/db_migration_add_belong_id.sql
@@ -0,0 +1,23 @@
+-- 为announcement表添加belong_id字段
+-- 执行时间: ${DATE}
+-- 描述: 为公告表添加归属用户ID字段，用于关联代理商和公告
+
+-- 添加belong_id字段
+ALTER TABLE announcement 
+ADD COLUMN belong_id INT UNSIGNED NULL DEFAULT NULL COMMENT '归属用户ID（代理商ID）' 
+AFTER jump_url;
+
+-- 为belong_id字段添加索引，提升查询性能
+CREATE INDEX idx_announcement_belong_id ON announcement (belong_id);
+
+-- 添加外键约束，确保数据一致性（可选，根据实际需求决定是否启用）
+-- ALTER TABLE announcement 
+-- ADD CONSTRAINT fk_announcement_belong_id 
+-- FOREIGN KEY (belong_id) REFERENCES user_account (id) 
+-- ON DELETE SET NULL ON UPDATE RESTRICT;
+
+-- 更新说明：
+-- 1. belong_id字段允许为NULL，表示系统级公告
+-- 2. 当belong_id不为NULL时，表示该公告属于特定代理商
+-- 3. 索引可以提升按belong_id查询的性能
+-- 4. 外键约束已注释，如需要请取消注释并执行
\ No newline at end of file