MAGETWO-66515: [Performance] Reduce queries to stock_status_index on Category Page

Yaroslav Onischenko · Yaroslav Onischenko · commit e2d5454a0848 · 2017-03-31T20:20:11.000+03:00
diff --git a/app/code/Magento/ConfigurableProduct/Model/Product/Type/Configurable.php b/app/code/Magento/ConfigurableProduct/Model/Product/Type/Configurable.php
@@ -1275,8 +1275,7 @@ public function getSalableUsedProducts(\Magento\Catalog\Model\Product $product,
     private function loadUsedProducts(\Magento\Catalog\Model\Product $product, $cacheKey, $salableOnly = false)
     {
         $dataFieldName = $salableOnly ? $this->usedSalableProducts : $this->_usedProducts;
-        $hasData = $product->hasData($dataFieldName);
-        if (!$hasData) {
+        if (!$product->hasData($dataFieldName)) {
             $usedProducts = $this->readUsedProductsCacheData($cacheKey);
             if ($usedProducts === null) {
                 $collection = $this->getConfiguredUsedProductCollection($product);
@@ -1288,9 +1287,8 @@ private function loadUsedProducts(\Magento\Catalog\Model\Product $product, $cach
             }
             $product->setData($dataFieldName, $usedProducts);
         }
-        $child = $product->getData($dataFieldName);
 
-        return $child;
+        return $product->getData($dataFieldName);
     }
 
     /**

Original file line number	Diff line number	Diff line change
`@@ -1275,8 +1275,7 @@ public function getSalableUsedProducts(\Magento\Catalog\Model\Product $product,`
`1275`	`1275`	`private function loadUsedProducts(\Magento\Catalog\Model\Product $product, $cacheKey, $salableOnly = false)`
`1276`	`1276`	`{`
`1277`	`1277`	`$dataFieldName = $salableOnly ? $this->usedSalableProducts : $this->_usedProducts;`
`1278`		`- $hasData = $product->hasData($dataFieldName);`
`1279`		`- if (!$hasData) {`
	`1278`	`+ if (!$product->hasData($dataFieldName)) {`
`1280`	`1279`	`$usedProducts = $this->readUsedProductsCacheData($cacheKey);`
`1281`	`1280`	`if ($usedProducts === null) {`
`1282`	`1281`	`$collection = $this->getConfiguredUsedProductCollection($product);`
`@@ -1288,9 +1287,8 @@ private function loadUsedProducts(\Magento\Catalog\Model\Product $product, $cach`
`1288`	`1287`	`}`
`1289`	`1288`	`$product->setData($dataFieldName, $usedProducts);`
`1290`	`1289`	`}`
`1291`		`- $child = $product->getData($dataFieldName);`
`1292`	`1290`
`1293`		`- return $child;`
	`1291`	`+ return $product->getData($dataFieldName);`
`1294`	`1292`	`}`
`1295`	`1293`
`1296`	`1294`	`/**`