From bf1e24453c757d3acf3faad95d011583ef7a3969 Mon Sep 17 00:00:00 2001
From: hhs <386998068@qq.com>
Date: Sun, 14 Jun 2026 16:42:12 +0800
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- 新增 migrations/001_users.up.sql：创建 users 表和 refresh_tokens 表
- 新增 migrations/001_users.down.sql：回滚脚本
- users 表包含 id, username, password_hash, created_at, updated_at
- refresh_tokens 表包含 id, user_id, token_hash, expires_at, created_at
- 添加必要的索引优化查询性能
---
 backend/migrations/001_users.down.sql |  5 +++++
 backend/migrations/001_users.up.sql   | 26 ++++++++++++++++++++++++++
 2 files changed, 31 insertions(+)
 create mode 100644 backend/migrations/001_users.down.sql
 create mode 100644 backend/migrations/001_users.up.sql

diff --git a/backend/migrations/001_users.down.sql b/backend/migrations/001_users.down.sql
new file mode 100644
index 0000000..4d30d76
--- /dev/null
+++ b/backend/migrations/001_users.down.sql
@@ -0,0 +1,5 @@
+-- 删除 Refresh Token 表（自动删除相关索引）
+DROP TABLE IF EXISTS refresh_tokens;
+
+-- 删除用户表（自动删除相关索引）
+DROP TABLE IF EXISTS users;
diff --git a/backend/migrations/001_users.up.sql b/backend/migrations/001_users.up.sql
new file mode 100644
index 0000000..76ff405
--- /dev/null
+++ b/backend/migrations/001_users.up.sql
@@ -0,0 +1,26 @@
+-- 用户表
+CREATE TABLE IF NOT EXISTS users (
+    id         UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    username   VARCHAR(64) NOT NULL UNIQUE,
+    password_hash VARCHAR(255) NOT NULL,
+    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
+);
+
+-- 用户名索引（用于登录查询）
+CREATE INDEX IF NOT EXISTS idx_users_username ON users(username);
+
+-- Refresh Token 表
+CREATE TABLE IF NOT EXISTS refresh_tokens (
+    id         UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    user_id    UUID NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+    token_hash VARCHAR(64) NOT NULL UNIQUE,
+    expires_at TIMESTAMPTZ NOT NULL,
+    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
+);
+
+-- Token hash 索引（用于刷新验证）
+CREATE INDEX IF NOT EXISTS idx_refresh_tokens_token_hash ON refresh_tokens(token_hash);
+
+-- 用户 ID 索引（用于登出所有设备）
+CREATE INDEX IF NOT EXISTS idx_refresh_tokens_user_id ON refresh_tokens(user_id);