ENGCOM-1464: [BUGFIX] Added row_id to the flat action indexer so the value isn't s… #15010

 - Merge Pull Request #15010 from experius/magento2:experius-2.2-patch-commerce-0-rowid-flatproductindex
 - Merged commits:
   1. 2af7b14
   2. 74371e7
   3. 07e2ca3

Author: magento-engcom-team

app/code/Magento/Catalog/Model/Indexer/Product/Flat/Action/Indexer.php

@@ -175,6 +175,7 @@ public function write($storeId, $productId, $valueFieldSuffix = '')
 
         if (!empty($updateData)) {
             $updateData += ['entity_id' => $productId];
+            $updateData += ['row_id' => $productId];
             $updateFields = [];
             foreach ($updateData as $key => $value) {
                 $updateFields[$key] = $key;

dev/tests/integration/testsuite/Magento/Catalog/Model/Indexer/Product/Flat/Action/RowTest.php

@@ -61,12 +61,13 @@ public function testProductUpdate()
             $this->_processor->getIndexer()->isScheduled(),
             'Indexer is in scheduled mode when turned to update on save mode'
         );
-        $this->_processor->reindexAll();
 
         $this->_product->load(1);
         $this->_product->setName('Updated Product');
         $this->_product->save();
 
+        $this->_processor->reindexAll();
+        
         $category = $categoryFactory->create()->load(9);
         $layer = $listProduct->getLayer();
         $layer->setCurrentCategory($category);