magento 的一些Sql查询

SELECT `value` AS product_name FROM yo_catalog_product_entity_varchar 

WHERE entity_type_id = (SELECT entity_type_id FROM yo_eav_entity_type WHERE entity_type_code = ‘catalog_product‘) 

AND attribute_id = (SELECT attribute_id FROM yo_eav_attribute WHERE attribute_code = ‘name‘ 

AND entity_type_id = (SELECT entity_type_id FROM yo_eav_entity_type WHERE entity_type_code = ‘catalog_product‘))

SELECT  `e` . * ,  `price_index`.`price` ,  `price_index`.`tax_class_id` ,  `price_index`.`final_price` , IF( price_index.tier_price IS NOT NULL , LEAST( price_index.min_price, price_index.tier_price ) , price_index.min_price ) AS  `minimal_price` ,  `price_index`.`min_price` ,  `price_index`.`max_price` , `price_index`.`tier_price` 
FROM  `yo_catalog_product_entity` AS  `e` 
INNER JOIN  `yo_catalog_product_index_price` AS  `price_index` ON price_index.entity_id = e.entity_id
AND price_index.website_id =  ‘1‘
AND price_index.customer_group_id =  ‘4‘
LIMIT 0 , 30