If you wish to create a custom download download package which contains a number of files from different products, then click the '+' icons, then, when ready, click 'View File Cart' to download your custom Package. offline_update_eav
Here’s a piece on offline_update_eav — written as a concise technical note / documentation excerpt. Context In Magento (1.x and early 2.x patterns), EAV attributes are updated via standard models and collection saves. For large catalogs, bulk updates (e.g., price, description, or custom attribute changes) cause significant database load and reindexing overhead. The offline_update_eav approach bypasses live ORM overhead by writing directly to EAV tables in a controlled, offline process.
// Assume $productIds array, $attributeCode = 'special_price', $storeId = 0 $attribute = Mage::getModel('eav/config')->getAttribute('catalog_product', $attributeCode); $table = $attribute->getBackend()->getTable(); $attributeId = $attribute->getId(); $value = 19.99; foreach (array_chunk($productIds, 500) as $chunk) { $write = Mage::getSingleton('core/resource')->getConnection('core_write'); $write->beginTransaction(); try { // Delete existing values $write->delete($table, [ 'attribute_id = ?' => $attributeId, 'entity_id IN (?)' => $chunk, 'store_id = ?' => $storeId ]); // Insert new values foreach ($chunk as $entityId) { $write->insert($table, [ 'entity_id' => $entityId, 'attribute_id' => $attributeId, 'store_id' => $storeId, 'value' => $value ]); } $write->commit(); } catch (Exception $e) { $write->rollBack(); // Log error } } // After all updates: reindex and clean cache Here’s a piece on offline_update_eav — written as
Here’s a piece on offline_update_eav — written as a concise technical note / documentation excerpt. Context In Magento (1.x and early 2.x patterns), EAV attributes are updated via standard models and collection saves. For large catalogs, bulk updates (e.g., price, description, or custom attribute changes) cause significant database load and reindexing overhead. The offline_update_eav approach bypasses live ORM overhead by writing directly to EAV tables in a controlled, offline process.
// Assume $productIds array, $attributeCode = 'special_price', $storeId = 0 $attribute = Mage::getModel('eav/config')->getAttribute('catalog_product', $attributeCode); $table = $attribute->getBackend()->getTable(); $attributeId = $attribute->getId(); $value = 19.99; foreach (array_chunk($productIds, 500) as $chunk) { $write = Mage::getSingleton('core/resource')->getConnection('core_write'); $write->beginTransaction(); try { // Delete existing values $write->delete($table, [ 'attribute_id = ?' => $attributeId, 'entity_id IN (?)' => $chunk, 'store_id = ?' => $storeId ]); // Insert new values foreach ($chunk as $entityId) { $write->insert($table, [ 'entity_id' => $entityId, 'attribute_id' => $attributeId, 'store_id' => $storeId, 'value' => $value ]); } $write->commit(); } catch (Exception $e) { $write->rollBack(); // Log error } } // After all updates: reindex and clean cache