SHOW FULL COLUMNS FROM `yf_category` [ RunTime:0.014978s ]
SELECT * FROM `yf_category` WHERE `status` = 1 ORDER BY `sort` ASC [ RunTime:0.002838s ]
SHOW FULL COLUMNS FROM `yf_product` [ RunTime:0.006157s ]
SELECT `p`.*,m.name as merchant_name,m.description as merchant_desc FROM `yf_product` `p` LEFT JOIN `yf_merchant` `m` ON `p`.`merchant_id`=`m`.`id` WHERE `p`.`id` = '20' LIMIT 1 [ RunTime:0.006130s ]
SELECT * FROM `yf_product` WHERE `category_id` = 2 AND `id` <> 20 AND `status` = 1 LIMIT 4 [ RunTime:0.002114s ]