Åñòü 5 çàïðîñîâ â ÁÄ. Íàäî ñäåëàòü îäèí çàïðîñ âìåñòî íèõ. Âîò ýòè 5 çàïðîñîâ: SELECT a.`product_discount_id`,a.`product_price`,b.`calc_value_mathop`,b.`calc_value` FROM `#_virtuemart_product_prices` AS a LEFT JOIN `#_virtuemart_calcs` AS b ON b.`virtuemart_calc_id` = a.`product_discount_id` WHERE `virtuemart_product_id`= 2249; SELECT `product_name`,`product_sku2` FROM `#_virtuemart_products_ru_ru` LEFT JOIN `#_virtuemart_products` USING (virtuemart_product_id) WHERE `virtuemart_product_id` = 2249; SELECT `virtuemart_category_id` FROM `#_virtuemart_product_categories` WHERE `virtuemart_product_id` = 2249; SELECT `file_url_thumb`,`file_title` FROM `#_virtuemart_product_medias` LEFT JOIN `#_virtuemart_medias` USING (virtuemart_media_id) WHERE `virtuemart_product_id` = 2249; SELECT `mf_name` FROM `#_virtuemart_product_manufacturers` LEFT JOIN `#_virtuemart_manufacturers_ru_ru` USING (virtuemart_manufacturer_id) WHERE `virtuemart_product_id` = 2249;
Ïðåîáðàçîâàòü èç 5 çàïðîñîâ MySQL â 1 çàïðîñ
Ðåêëàìà
Ïðåîáðàçîâàòü èç 5 çàïðîñîâ MySQL â 1 çàïðîñ
Åñòü 5 çàïðîñîâ â ÁÄ. Íàäî ñäåëàòü îäèí çàïðîñ âìåñòî íèõ. Âîò ýòè 5 çàïðîñîâ:
SELECT a.`product_discount_id`,a.`product_price`,b.`calc_value_mathop`,b.`calc_value` FROM `#_virtuemart_product_prices` AS a LEFT JOIN `#_virtuemart_calcs` AS b ON b.`virtuemart_calc_id` = a.`product_discount_id` WHERE `virtuemart_product_id`= 2249;
SELECT `product_name`,`product_sku2` FROM `#_virtuemart_products_ru_ru` LEFT JOIN `#_virtuemart_products` USING (virtuemart_product_id) WHERE `virtuemart_product_id` = 2249;
SELECT `virtuemart_category_id` FROM `#_virtuemart_product_categories` WHERE `virtuemart_product_id` = 2249;
SELECT `file_url_thumb`,`file_title` FROM `#_virtuemart_product_medias` LEFT JOIN `#_virtuemart_medias` USING (virtuemart_media_id) WHERE `virtuemart_product_id` = 2249;
SELECT `mf_name` FROM `#_virtuemart_product_manufacturers` LEFT JOIN `#_virtuemart_manufacturers_ru_ru` USING (virtuemart_manufacturer_id) WHERE `virtuemart_product_id` = 2249;