How did I fix «Item (Mage_Catalog_Model_Product) with the same id "…" already exist» on loading `Mage_Catalog_Model_Resource_Product_Compare_Item_Collection` in Magento 1?

dmitrii_fediuk · March 18, 2024, 5:18am

thehcginstitute-com/m1/blob/2024-03-18/app/code/core/Mage/Catalog/Helper/Product/Compare.php#L226-L233


      
          			# 2024-03-18 Dmitrii Fediuk https://upwork.com/fl/mage2pro
          			# 1) "«Item (Mage_Catalog_Model_Product) with the same id "…" already exist»
          			# on loading `Mage_Catalog_Model_Resource_Product_Compare_Item_Collection`":
          			# https://github.com/thehcginstitute-com/m1/issues/496
          			# 2) "How did I fix «Item (Mage_Catalog_Model_Product) with the same id "…" already exist»
          			# on loading `Mage_Catalog_Model_Resource_Product_Compare_Item_Collection` in Magento 1?"
          			# https://mage2.pro/t/6435
          			$this->_itemCollection->getSelect()->group('t_compare.product_id');