MCP-1012: Creation of Tmp Tables during Search

Author: aa-kashk

app/code/Magento/CatalogSearch/Model/ResourceModel/Fulltext/Collection/SearchResultApplier.php

@@ -6,8 +6,10 @@
 
 namespace Magento\CatalogSearch\Model\ResourceModel\Fulltext\Collection;
 
-use Magento\Framework\Api\Search\SearchResultInterface;
 use Magento\Framework\Data\Collection;
+use Magento\Framework\Search\Adapter\Mysql\TemporaryStorage;
+use Magento\Framework\Search\Adapter\Mysql\TemporaryStorageFactory;
+use Magento\Framework\Api\Search\SearchResultInterface;
 
 /**
  * Resolve specific attributes for search criteria.
@@ -27,6 +29,11 @@ class SearchResultApplier implements SearchResultApplierInterface
      */
     private $searchResult;
 
+    /**
+     * @var TemporaryStorageFactory
+     */
+    private $temporaryStorageFactory;
+
     /**
      * @var array
      */
@@ -35,15 +42,18 @@ class SearchResultApplier implements SearchResultApplierInterface
     /**
      * @param Collection $collection
      * @param SearchResultInterface $searchResult
+     * @param TemporaryStorageFactory $temporaryStorageFactory
      * @param array $orders
      */
     public function __construct(
         Collection $collection,
         SearchResultInterface $searchResult,
+        TemporaryStorageFactory $temporaryStorageFactory,
         array $orders
     ) {
         $this->collection = $collection;
         $this->searchResult = $searchResult;
+        $this->temporaryStorageFactory = $temporaryStorageFactory;
         $this->orders = $orders;
     }
 
@@ -52,22 +62,21 @@ public function __construct(
      */
     public function apply()
     {
-        if (empty($this->searchResult->getItems())) {
-            $this->collection->getSelect()->where('NULL');
-            return;
-        }
-        $ids = [];
-        foreach ($this->searchResult->getItems() as $item) {
-            $ids[] = (int)$item->getId();
-        }
+        $temporaryStorage = $this->temporaryStorageFactory->create();
+        $table = $temporaryStorage->storeApiDocuments($this->searchResult->getItems());
 
-        $orderList = implode(',', $ids);
-        $this->collection->getSelect()->where('e.entity_id IN (?)', $ids);
+        $this->collection->getSelect()->joinInner(
+            [
+                'search_result' => $table->getName(),
+            ],
+            'e.entity_id = search_result.' . TemporaryStorage::FIELD_ENTITY_ID,
+            []
+        );
 
         if (isset($this->orders['relevance'])) {
-            $this->collection->getSelect()
-                ->reset(\Magento\Framework\DB\Select::ORDER)
-                ->order(new \Magento\Framework\DB\Sql\Expression("FIELD(e.entity_id, $orderList)"));
+            $this->collection->getSelect()->order(
+                'search_result.' . TemporaryStorage::FIELD_SCORE . ' ' . $this->orders['relevance']
+            );
         }
     }
 }