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docs/09-架构实施/migration-scripts/002-migrate-platform.sql

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+-- ========================================
+-- 002-migrate-platform.sql
+-- ========================================
+-- 目的：迁移platform_schema（用户表）
+-- 迁移表：1个（users）
+-- 预计时间：15分钟
+-- 作者：AI助手
+-- 日期：2025-11-09
+-- ========================================
+
+-- 前置条件：
+-- 1. 已执行 001-create-all-10-schemas.sql
+-- 2. public.users 表存在且有数据
+
+BEGIN;
+
+-- ========================================
+-- 第一步：创建platform_schema.users表
+-- ========================================
+
+CREATE TABLE IF NOT EXISTS platform_schema.users (
+    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    email VARCHAR(255) UNIQUE NOT NULL,
+    password VARCHAR(255) NOT NULL,
+    name VARCHAR(255),
+    avatar_url VARCHAR(500),
+    role VARCHAR(50) NOT NULL DEFAULT 'user',
+    status VARCHAR(50) DEFAULT 'active',
+    kb_quota INT DEFAULT 3,
+    kb_used INT DEFAULT 0,
+    trial_ends_at TIMESTAMP,
+    is_trial BOOLEAN DEFAULT true,
+    last_login_at TIMESTAMP,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+);
+
+-- ========================================
+-- 第二步：创建索引
+-- ========================================
+
+CREATE INDEX IF NOT EXISTS idx_platform_users_email ON platform_schema.users(email);
+CREATE INDEX IF NOT EXISTS idx_platform_users_role ON platform_schema.users(role);
+CREATE INDEX IF NOT EXISTS idx_platform_users_status ON platform_schema.users(status);
+CREATE INDEX IF NOT EXISTS idx_platform_users_created_at ON platform_schema.users(created_at);
+
+-- ========================================
+-- 第三步：迁移数据
+-- ========================================
+
+-- 从public.users迁移数据到platform_schema.users
+INSERT INTO platform_schema.users (
+    id, email, password, name, avatar_url,
+    role, status, kb_quota, kb_used,
+    trial_ends_at, is_trial, last_login_at,
+    created_at, updated_at
+)
+SELECT 
+    id, email, password, name, avatar_url,
+    role, status, kb_quota, kb_used,
+    trial_ends_at, is_trial, last_login_at,
+    created_at, updated_at
+FROM public.users
+ON CONFLICT (id) DO NOTHING;  -- 如果已存在则跳过（支持重复执行）
+
+-- ========================================
+-- 第四步：数据验证
+-- ========================================
+
+DO $$
+DECLARE
+    public_count INTEGER;
+    platform_count INTEGER;
+BEGIN
+    -- 统计原表数据量
+    SELECT COUNT(*) INTO public_count FROM public.users;
+    
+    -- 统计新表数据量
+    SELECT COUNT(*) INTO platform_count FROM platform_schema.users;
+    
+    RAISE NOTICE '原表 public.users 数据量：%', public_count;
+    RAISE NOTICE '新表 platform_schema.users 数据量：%', platform_count;
+    
+    -- 验证数据一致性
+    IF public_count = platform_count THEN
+        RAISE NOTICE '✅ 数据迁移成功：数据量完全一致';
+    ELSE
+        RAISE WARNING '⚠️ 警告：数据量不一致！预期 %，实际 %', public_count, platform_count;
+    END IF;
+    
+    -- 验证email唯一性
+    IF (SELECT COUNT(DISTINCT email) FROM platform_schema.users) = platform_count THEN
+        RAISE NOTICE '✅ Email唯一性校验通过';
+    ELSE
+        RAISE WARNING '⚠️ 警告：Email存在重复';
+    END IF;
+END $$;
+
+-- ========================================
+-- 第五步：对比验证（抽样检查）
+-- ========================================
+
+-- 对比前5条数据
+SELECT 'public.users' AS source, id, email, name, role, created_at
+FROM public.users
+ORDER BY created_at DESC
+LIMIT 5;
+
+SELECT 'platform_schema.users' AS source, id, email, name, role, created_at
+FROM platform_schema.users
+ORDER BY created_at DESC
+LIMIT 5;
+
+COMMIT;
+
+-- ========================================
+-- 执行结果统计（可单独运行）
+-- ========================================
+
+SELECT 
+    'platform_schema.users' AS table_name,
+    COUNT(*) AS total_count,
+    COUNT(DISTINCT email) AS unique_emails,
+    COUNT(CASE WHEN role = 'admin' THEN 1 END) AS admin_count,
+    COUNT(CASE WHEN role = 'user' THEN 1 END) AS user_count,
+    COUNT(CASE WHEN status = 'active' THEN 1 END) AS active_count,
+    MIN(created_at) AS first_user_date,
+    MAX(created_at) AS last_user_date
+FROM platform_schema.users;
+
+-- ========================================
+-- 后续步骤说明
+-- ========================================
+-- 注意：public.users表暂时保留，不删除
+-- 原因：
+-- 1. 其他Schema的表（aia, pkb）会引用platform_schema.users
+-- 2. 所有迁移完成并验证后，再决定是否删除public.users
+-- 3. 删除前需确保所有外键已更新
+-- ========================================
+
+
+
+
+
+
+