在此表中:
|value_id|entity_type_id|attribute_id|store_id|entity_id|value
|9289729 |4 |62 |0 |765985 |default value
|9289730 |4 |62 |1 |765985 |value in spanish
|9289731 |4 |62 |2 |765985 |value in dutch
我需要获取 store_id 的值(可以是 1、2 或 3)或默认值(store_id = 0)(如果不存在)。
它必须包含在由几个 INNER JOINS 组成的更大查询中,到目前为止看起来像这样:
SELECT DISTINCT `p2c`.`product_id`, `name_id`.`value` AS `name`, `short_description_id`.`value` AS `short_description` FROM `catalog_category_product` AS `p2c`
INNER JOIN `catalog_product_entity_int` AS `status` ON p2c.product_id = status.entity_id AND status.value = 1
INNER JOIN `catalog_product_entity_int` AS `visibility` ON p2c.product_id = visibility.entity_id AND visibility.value = 4
INNER JOIN `catalog_product_entity_varchar` AS `name_id` ON p2c.product_id = name_id.entity_id AND name_id.attribute_id = 60
INNER JOIN `catalog_product_entity_text` AS `short_description_id` ON p2c.product_id = short_description_id.entity_id AND short_description_id.attribute_id = 62
WHERE (category_id IN ('1224'))
所以我想要的是这样的:
SELECT DISTINCT `p2c`.`product_id`, `name_id`.`value` AS `name`, `short_description_id`.`value` AS `short_description` FROM `catalog_category_product` AS `p2c`
INNER JOIN `catalog_product_entity_int` AS `status` ON p2c.product_id = status.entity_id AND status.value = 1
INNER JOIN `catalog_product_entity_int` AS `visibility` ON p2c.product_id = visibility.entity_id AND visibility.value = 4
INNER JOIN `catalog_product_entity_varchar` AS `name_id` ON p2c.product_id = name_id.entity_id AND name_id.attribute_id = 60
INNER JOIN `catalog_product_entity_text` AS `short_description_id` ON p2c.product_id = short_description_id.entity_id
AND short_description_id.attribute_id = 62
//start of not real mysql code
AND ((short_description_id.store_id = 3) IF THERE IS A VALUE FOR THIS STORE_ID
OR (short_description_id.store_id = 0) OTHERWISE)
//end of not real mysql code
WHERE (category_id IN ('1224'))
哦,我正在使用 Zend 的 mysql,如果这很重要的话。
有任何想法吗?