这是我的慢查询：
SELECT `products_counts`.`cid`
FROM
`products_counts` `products_counts`
LEFT OUTER JOIN `products` `products` ON (
`products_counts`.`product_id` = `products`.`id`
)
LEFT OUTER JOIN `trademarks` `trademark` ON (
`products`.`trademark_id` = `trademark`.`id`
)
LEFT OUTER JOIN `suppliers` `supplier` ON (
`products_counts`.`supplier_id` = `supplier`.`id`
)
WHERE
`products_counts`.product_id IN
(159, 572, 1075, 1102, 1145, 1162, 1660, 2355, 2356, 2357, 3236, 6471, 6472, 6473, 8779, 9043, 9095, 9336, 9337, 9338, 9445, 10198, 10966, 10967, 10974, 11124, 11168, 16387, 16689, 16827, 17689, 17920, 17938, 17946, 17957, 21341, 21352, 21420, …