ProductModel::with('sale')->paginate(5, true);[ SQL ] SHOW COLUMNS FROM `pre_product` [ RunTime:0.023051s ]
[ SQL ] SELECT * FROM `pre_product` LIMIT 0,6 [ RunTime:0.021790s ]
[ SQL ] SHOW COLUMNS FROM `pre_product_sale` [ RunTime:0.022148s ]
[ SQL ] SELECT * FROM `pre_product_sale` WHERE ( `product_id` IN (1,2) AND `product_id` IN (1,2) ) [ RunTime:0.020064s ]最后的AND `product_id` IN (1,2) 这不是多余的吗最佳答案
