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#40216-Replacing nested foreach with array union (+) to reduce time complexity #40217

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#40216-Replacing nested foreach with array union (+) to reduce time complexity #40217

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2c3a2c9
#40216-Replacing nested foreach with array_replace to reduce time com…
Oct 4, 2025
f3f5bc9
#40216 - array union seems to be better optimised from memory perspec…
Oct 4, 2025
85c13c6
#40216 - Moving the setting to outside of if to fix data setting issue
Oct 4, 2025
f8d70b6
#40216 - Moving the attribute value to right side to keep the left ar…
Oct 5, 2025
1ce65b5
Merge branch '2.4-develop' into Fixing-BigOComplexity-in-Eav
senthilengg Oct 7, 2025
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53 changes: 31 additions & 22 deletions app/code/Magento/Eav/Model/Entity/Collection/AbstractCollection.php
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Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
* Copyright 2025 Adobe
* All Rights Reserved.
*/

namespace Magento\Eav\Model\Entity\Collection;
Expand Down Expand Up @@ -1233,8 +1233,27 @@ public function _loadAttributes($printQuery = false, $logQuery = false)
throw $e;
}

$attributeCode = $data = [];
$entityIdField = $entity->getEntityIdField();

foreach ($values as $value) {
$this->_setItemAttributeValue($value);
$entityId = $value[$entityIdField];
$attributeId = $value['attribute_id'];
if (!isset($attributeCode[$attributeId])) {
$attributeCode[$attributeId] = array_search($attributeId, $this->_selectAttributes);
if (!$attributeCode[$attributeId]) {
$attribute = $this->_eavConfig->getAttribute(
$this->getEntity()->getType(),
$attributeId
);
$attributeCode[$attributeId] = $attribute->getAttributeCode();
}
}
$data[$entityId][$attributeCode[$attributeId]] = $value['value'];
}

if ($data) {
$this->_setItemAttributeValue($data);
}
}
}
Expand Down Expand Up @@ -1303,32 +1322,22 @@ protected function _addLoadAttributesSelectValues($select, $table, $type)
/**
* Initialize entity object property value
*
* Parameter $valueInfo is _getLoadAttributesSelect fetch result row
* Parameter $valueInfo is [product_id => [attribute_code => value]]
*
* @param array $valueInfo
* @return $this
* @throws LocalizedException
*/
protected function _setItemAttributeValue($valueInfo)
{
$entityIdField = $this->getEntity()->getEntityIdField();
$entityId = $valueInfo[$entityIdField];
if (!isset($this->_itemsById[$entityId])) {
throw new LocalizedException(
__('A header row is missing for an attribute. Verify the header row and try again.')
);
}
$attributeCode = array_search($valueInfo['attribute_id'], $this->_selectAttributes);
if (!$attributeCode) {
$attribute = $this->_eavConfig->getAttribute(
$this->getEntity()->getType(),
$valueInfo['attribute_id']
);
$attributeCode = $attribute->getAttributeCode();
}

foreach ($this->_itemsById[$entityId] as $object) {
$object->setData($attributeCode, $valueInfo['value']);
foreach ($valueInfo as $entityId => $value) {
if (!isset($this->_itemsById[$entityId])) {
throw new LocalizedException(
__('A header row is missing for an attribute. Verify the header row and try again.')
);
}
$object =$this->_itemsById[$entityId][0];
$object->setData($object->getData()+$value);
}

return $this;
Expand Down