Проблема оптимизацией запросов

[delord]

Добрый вечер друзья, есть проблема загрузка категории в магазине доходит до 30 секунд

 

В логе медленных запросов постоянно вот такое вот:

 

Страница:/zhidkosti/

Источник:/home/www/system/storage/modification/catalog/model/catalog/product.php

Время выполнения: 202.28мс 

 

SELECT DISTINCT *, pd.name AS name, p.image, (SELECT md.name FROM oc_manufacturer_description md WHERE md.manufacturer_id = p.manufacturer_id AND md.language_id = '1') AS manufacturer, (SELECT price FROM oc_product_discount pd2 WHERE pd2.product_id = p.product_id AND pd2.customer_group_id = '1' AND pd2.quantity = '1' AND ((pd2.date_start = '0000-00-00' OR pd2.date_start < NOW()) AND (pd2.date_end = '0000-00-00' OR pd2.date_end > NOW())) ORDER BY pd2.priority ASC, pd2.price ASC LIMIT 1) AS discount, (SELECT price FROM oc_product_special ps WHERE ps.product_id = p.product_id AND ps.customer_group_id = '1' AND ((ps.date_start = '0000-00-00' OR ps.date_start < NOW()) AND (ps.date_end = '0000-00-00' OR ps.date_end > NOW())) ORDER BY ps.priority ASC, ps.price ASC LIMIT 1) AS special, (SELECT points FROM oc_product_reward pr WHERE pr.product_id = p.product_id AND customer_group_id = '1') AS reward, (SELECT ss.name FROM oc_stock_status ss WHERE ss.stock_status_id = p.stock_status_id AND ss.language_id = '1') AS stock_status, (SELECT wcd.unit FROM oc_weight_class_description wcd WHERE p.weight_class_id = wcd.weight_class_id AND wcd.language_id = '1') AS weight_class, (SELECT lcd.unit FROM oc_length_class_description lcd WHERE p.length_class_id = lcd.length_class_id AND lcd.language_id = '1') AS length_class, (SELECT AVG(rating) AS total FROM oc_review r1 WHERE r1.product_id = p.product_id AND r1.status = '1' GROUP BY r1.product_id) AS rating, (SELECT COUNT(*) AS total FROM oc_review r2 WHERE r2.product_id = p.product_id AND r2.status = '1' GROUP BY r2.product_id) AS reviews, p.sort_order FROM oc_product p LEFT JOIN oc_product_description pd ON (p.product_id = pd.product_id) LEFT JOIN oc_product_to_store p2s ON (p.product_id = p2s.product_id) LEFT JOIN oc_manufacturer m ON (p.manufacturer_id = m.manufacturer_id) WHERE p.product_id = '4339' AND pd.language_id = '1' AND p.status = '1' AND p.date_available <= NOW() AND p2s.store_id = '0'

 

 

Очень прошу помощи...

Змінено 5 грудня 2016 користувачем delord

[Slavikovna]

Было бы отлично еще взглянуть на сам магазин.

[delord]

Да конечно jomo.com.ua

[Otvet]

<= NOW()

раз

 

 

pd.language_id = '1' 

два. где на сайте языки?

 

 

три: составные индексы

 

ну а дальше 4, 5, 6, ...

[AlexDW]

Да конечно jomo.com.ua

 

модуль AutoSearch 2x на сайте - откуда?

в покупателях не числитесь

[delord]

модуль AutoSearch 2x на сайте - откуда?

в покупателях не числитесь

Все модуля ставил человек ник на форуме zomo

[AlexDW]

ок, вопрос по модулю снят

[AlexDW]

пробуйте в запросе заменить

(SELECT md.name FROM oc_manufacturer_description md WHERE md.manufacturer_id = p.manufacturer_id AND md.language_id = '1') AS manufacturer,

 

на

m.name AS manufacturer,

 

и Otvet правильно подсказывает

[chukcha]

пробуйте в запросе заменить

(SELECT md.name FROM oc_manufacturer_description md WHERE md.manufacturer_id = p.manufacturer_id AND md.language_id = '1') AS manufacturer,

 

на

m.name AS manufacturer,

 

и Otvet правильно подсказывает

 

 

 

 

Нет, у него имя производителя в md

 

Нужен PIMARY KEY (manufactutrer_id, language_id) - а может и есть

 

Но в таком случае можно и запрос пределать

SELECT DISTINCT *, 
	pd.name AS name, 
	p.image, 
	md.name as manufacturer,
	(SELECT price FROM oc_product_discount pd2 WHERE pd2.product_id = p.product_id AND pd2.customer_group_id = '1' AND pd2.quantity = '1' AND ((pd2.date_start = '0000-00-00' OR pd2.date_start < NOW()) AND (pd2.date_end = '0000-00-00' OR pd2.date_end > NOW())) ORDER BY pd2.priority ASC, pd2.price ASC LIMIT 1) AS discount, 
	(SELECT price FROM oc_product_special ps WHERE ps.product_id = p.product_id AND ps.customer_group_id = '1' AND ((ps.date_start = '0000-00-00' OR ps.date_start < NOW()) AND (ps.date_end = '0000-00-00' OR ps.date_end > NOW())) ORDER BY ps.priority ASC, ps.price ASC LIMIT 1) AS special, 
	(SELECT points FROM oc_product_reward pr WHERE pr.product_id = p.product_id AND customer_group_id = '1') AS reward, 
	(SELECT ss.name FROM oc_stock_status ss WHERE ss.stock_status_id = p.stock_status_id AND ss.language_id = '1') AS stock_status, 
	(SELECT wcd.unit FROM oc_weight_class_description wcd WHERE p.weight_class_id = wcd.weight_class_id AND wcd.language_id = '1') AS weight_class,
	(SELECT lcd.unit FROM oc_length_class_description lcd WHERE p.length_class_id = lcd.length_class_id AND lcd.language_id = '1') AS length_class,
	(SELECT AVG(rating) AS total FROM oc_review r1 WHERE r1.product_id = p.product_id AND r1.status = '1' GROUP BY r1.product_id) AS rating, 
	(SELECT COUNT(*) AS total FROM oc_review r2 WHERE r2.product_id = p.product_id AND r2.status = '1' GROUP BY r2.product_id) AS reviews, 
	p.sort_order 
FROM oc_product p 
LEFT JOIN oc_product_description pd ON (p.product_id = pd.product_id) 
LEFT JOIN oc_product_to_store p2s ON (p.product_id = p2s.product_id) 
LEFT JOIN oc_manufacturer md ON (p.manufacturer_id = md.manufacturer_id AND md.language_id = '1') 
WHERE p.product_id = '4339' 
AND pd.language_id = '1' 
AND p.status = '1' 
AND p.date_available <= NOW() 
AND p2s.store_id = '0'