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Mage::getResourceModel('catalog/product')->getAttributeRawValue($id, 'attribute', Mage::app()->getStore());

This can be used to fetch the product attribute by ID. How can one set this value as well?

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2 Answers 2

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For that you'll want the Mage_Catalog_Model_Product_Action model.

Mage::getSingleton('catalog/product_action')->updateAttributes(
    array(100, 200, 300),               // Product IDs to update
    array('my_attribute'=>'new value'), // Key/value pairs of attributes and their values
    1                                   // Store ID
);
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  • I should note that this doesn't fire the usual catalog_product_after_save event, only catalog_product_attribute_update_before and catalog_product_attribute_update_after which might not reindex things or clear caches as you might expect, so use it carefully.
    – Tyler V.
    Commented May 9, 2015 at 1:21
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You can use the saveAttribute method of Mage_Eav_Model_Entity_Abstract which Mage_Catalog_Model_Resource_Abstract extends:

$id = 905;
$attributeCode = 'name';

$product = Mage::getModel('catalog/product');
$product->setStoreId(0);
$product->setId($id);
$product->setName('8GB Memory Card');

$product->getResource()->saveAttribute($product, $attributeCode);

Note that this will not work with attributes that have a static backend type like sku. Sku is actually a field in catalog_product_entity table.

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