如何在Magento的OR条件中添加AND过滤器/条件？

Question

如何使用收集过滤器来实现以下功能？

SELECT * FROM products WHERE (name like '%blah%' and name like 
    '%yes%') or (description like '%blah%' and description like '%yes%'); 

或者出于某种原因，这是不好的做法？

addFieldToFilter的应用到集合做，并在每一个可以实现OR，但这仅允许：

(x OR y) AND (w OR z) 

但不

(x AND y) OR (w AND z) 

我缺少的东西？

Answer 1

不，我不相信你错过了什么。我碰到类似的问题，并且使用getSelect()->where()来解决它。

与您的查询开始：

SELECT * FROM products WHERE (name like '%blah%' and name like 
'%yes%') or (description like '%blah%' and description like '%yes%'); 

首先，我创建了一个收集和使用的OR阵列方法来获取查询。

$collection = Mage::getModel('catalog/product')->getCollection(); 
$collection->addFieldToFilter(array(
           array('attribute' => 'name', 'like' => '%blah%'), 
           array('attribute' => 'name', 'like' => '%yes%') 
          )); 
$collection->addFieldToFilter(array(
           array('attribute' => 'description', 'like' => '%blah%'), 
           array('attribute' => 'description', 'like' => '%yes%') 
          )); 
$collection->load(true); // To dump the sql as text 

这导致了以下的输出：

SELECT `e`.*, IF(at_name.value_id > 0, at_name.value, at_name_default.value) AS `name`, IF(at_description.value_id > 0, at_description.value, at_description_default.value) AS `description` FROM `catalog_product_entity` AS `e` INNER JOIN `catalog_product_entity_varchar` AS `at_name_default` ON (`at_name_default`.`entity_id` = `e`.`entity_id`) AND (`at_name_default`.`attribute_id` = '96') AND `at_name_default`.`store_id` = 0 LEFT JOIN `catalog_product_entity_varchar` AS `at_name` ON (`at_name`.`entity_id` = `e`.`entity_id`) AND (`at_name`.`attribute_id` = '96') AND (`at_name`.`store_id` = 1) INNER JOIN `catalog_product_entity_text` AS `at_description_default` ON (`at_description_default`.`entity_id` = `e`.`entity_id`) AND (`at_description_default`.`attribute_id` = '97') AND `at_description_default`.`store_id` = 0 LEFT JOIN `catalog_product_entity_text` AS `at_description` ON (`at_description`.`entity_id` = `e`.`entity_id`) AND (`at_description`.`attribute_id` = '97') AND (`at_description`.`store_id` = 1) 
WHERE ((IF(at_name.value_id > 0, at_name.value, at_name_default.value) LIKE '%blah%') OR (IF(at_name.value_id > 0, at_name.value, at_name_default.value) LIKE '%yes%')) AND ((IF(at_description.value_id > 0, at_description.value, at_description_default.value) LIKE '%blah%') OR (IF(at_description.value_id > 0, at_description.value, at_description_default.value) LIKE '%yes%')) 

你会发现WHERE说法几乎是在那里你描述它除了OR和AND是相反的。

我复制查询的WHERE部分和增加了一个额外getSelect()->where()线到集合是这样的：

$collection = Mage::getModel('catalog/product')->getCollection(); 

// I added these lines to ensure that the collection would load 
// the fields and do the necessary joins to pull the data 
$collection->addFieldToFilter('name');   
$collection->addFieldToFilter('description'); 

// I'm using the same WHERE statement but I have set the ANDs and ORs 
// to match your requirements 

$collection->getSelect()->where(" (IF(at_name.value_id > 0, at_name.value, at_name_default.value) LIKE '%blah%') AND (IF(at_name.value_id > 0, at_name.value, at_name_default.value) LIKE '%yes%')) OR ((IF(at_description.value_id > 0, at_description.value, at_description_default.value) LIKE '%blah%') AND (IF(at_description.value_id > 0, at_description.value, at_description_default.value) LIKE '%yes%')"); 

$collection->load(true); // To dump the sql as text again 

产生的输出是：

SELECT `e`.*, IF(at_name.value_id > 0, at_name.value, at_name_default.value) AS `name`, IF(at_description.value_id > 0, at_description.value, at_description_default.value) AS `description` FROM `catalog_product_entity` AS `e` INNER JOIN `catalog_product_entity_varchar` AS `at_name_default` ON (`at_name_default`.`entity_id` = `e`.`entity_id`) AND (`at_name_default`.`attribute_id` = '96') AND `at_name_default`.`store_id` = 0 LEFT JOIN `catalog_product_entity_varchar` AS `at_name` ON (`at_name`.`entity_id` = `e`.`entity_id`) AND (`at_name`.`attribute_id` = '96') AND (`at_name`.`store_id` = 1) INNER JOIN `catalog_product_entity_text` AS `at_description_default` ON (`at_description_default`.`entity_id` = `e`.`entity_id`) AND (`at_description_default`.`attribute_id` = '97') AND `at_description_default`.`store_id` = 0 LEFT JOIN `catalog_product_entity_text` AS `at_description` ON (`at_description`.`entity_id` = `e`.`entity_id`) AND (`at_description`.`attribute_id` = '97') AND (`at_description`.`store_id` = 1) 
WHERE (IF(at_name.value_id > 0, at_name.value, at_name_default.value) = '') AND (IF(at_description.value_id > 0, at_description.value, at_description_default.value) = '') AND ((IF(at_name.value_id > 0, at_name.value, at_name_default.value) LIKE '%blah%') AND (IF(at_name.value_id > 0, at_name.value, at_name_default.value) LIKE '%yes%')) OR ((IF(at_description.value_id > 0, at_description.value, at_description_default.value) LIKE '%blah%') AND (IF(at_description.value_id > 0, at_description.value, at_description_default.value) LIKE '%yes%')) 

在getSelect()的where()可以是缩写为：

(`name` like '%blah%' and `name` like '%yes%') or (`description` like '%blah%' and `description` like '%yes%'); 

任何其他Magento人在那里请随时纠正我，如果我太远离这个基地或如果你知道的方式来实现相同的目标，而不使用这种方法。

hth！