-- =================================================================-- 验证7：检查临时表是否已清理
SELECT 
    '临时表清理检查' as check_type,
    CASE 
        WHEN EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'temp_user_ids') 
        THEN '临时表仍存在'
        ELSE '临时表已清理'
    END as cleanup_status;

-- 验证8：检查配送任务分配逻辑
SELECT 
    '配送任务分配检查' as check_type,
    COUNT(DISTINCT dt.driver_id) as assigned_drivers,
    COUNT(*) as total_tasks,
    ROUND(AVG(tasks_per_driver.task_count), 2) as avg_tasks_per_driver
FROM public.ml_delivery_tasks dt
CROSS JOIN (
    SELECT driver_id, COUNT(*) as task_count
    FROM public.ml_delivery_tasks
    GROUP BY driver_id
) as tasks_per_driver;============
-- mock_data_insert.sql 修复验证脚本
-- 用途: 验证修复后的模拟数据插入脚本是否能正常执行
-- =====================================================================================

-- 验证1：检查商品价格数据完整性
SELECT 
    '商品价格检查' as check_type,
    COUNT(*) as total_products,
    COUNT(CASE WHEN base_price IS NULL THEN 1 END) as null_base_price_count,
    COUNT(CASE WHEN base_price > 0 THEN 1 END) as valid_price_count
FROM public.ml_products;

-- 验证2：检查SKU价格数据完整性
SELECT 
    'SKU价格检查' as check_type,
    COUNT(*) as total_skus,
    COUNT(CASE WHEN price IS NULL THEN 1 END) as null_price_count,
    COUNT(CASE WHEN price > 0 THEN 1 END) as valid_price_count
FROM public.ml_product_skus;

-- 验证3：测试商品-SKU价格查询逻辑
SELECT 
    '价格查询逻辑测试' as check_type,
    p.name as product_name,
    p.base_price,
    s.price as sku_price,
    COALESCE(s.price, p.base_price) as final_price,
    CASE 
        WHEN s.price IS NOT NULL THEN 'SKU价格'
        ELSE '基础价格'
    END as price_source
FROM public.ml_products p
LEFT JOIN public.ml_product_skus s ON p.id = s.product_id
ORDER BY p.name, s.sku_code
LIMIT 10;

-- 验证4：检查订单商品价格是否存在NULL值
SELECT 
    '订单商品价格检查' as check_type,
    COUNT(*) as total_order_items,
    COUNT(CASE WHEN price IS NULL THEN 1 END) as null_price_count,
    COUNT(CASE WHEN price > 0 THEN 1 END) as valid_price_count,
    MIN(price) as min_price,
    MAX(price) as max_price
FROM public.ml_order_items;

-- 验证5：检查订单关联的商家ID是否正确
SELECT 
    '订单商家关联检查' as check_type,
    COUNT(DISTINCT o.merchant_id) as unique_merchants,
    COUNT(*) as total_orders,
    COUNT(CASE WHEN u.role = 'merchant' THEN 1 END) as valid_merchant_orders
FROM public.ml_orders o
LEFT JOIN public.ak_users u ON o.merchant_id = u.id;

-- 验证6：检查配送任务唯一性
SELECT 
    '配送任务唯一性检查' as check_type,
    COUNT(*) as total_delivery_tasks,
    COUNT(DISTINCT order_id) as unique_orders,
    COUNT(*) - COUNT(DISTINCT order_id) as duplicate_order_count,
    CASE 
        WHEN COUNT(*) = COUNT(DISTINCT order_id) THEN '✓ 无重复订单'
        ELSE '✗ 存在重复订单配送任务'
    END as uniqueness_status
FROM public.ml_delivery_tasks;

-- 验证7：检查临时表是否已清理
SELECT 
    '临时表清理检查' as check_type,
    CASE 
        WHEN EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'temp_user_ids') 
        THEN '临时表仍存在'
        ELSE '临时表已清理'
    END as cleanup_status;

-- 输出总体验证结果
DO $$
BEGIN
    RAISE NOTICE '=======================================================';
    RAISE NOTICE '模拟数据插入脚本修复验证完成';
    RAISE NOTICE '=======================================================';
    RAISE NOTICE '请检查以上查询结果：';
    RAISE NOTICE '1. 商品和SKU价格应无NULL值';
    RAISE NOTICE '2. 订单商品价格应无NULL值';
    RAISE NOTICE '3. 订单应正确关联到商家用户';
    RAISE NOTICE '4. 配送任务应无重复订单';
    RAISE NOTICE '5. 临时表应已清理';
    RAISE NOTICE '=======================================================';
    RAISE NOTICE '如所有检查通过，说明修复有效';
    RAISE NOTICE '=======================================================';
END $$;