ACP2E-1367: add missing entities to grid in async mode

Author: alzota

app/code/Magento/Sales/Model/ResourceModel/Provider/Query/IdListBuilder.php

@@ -10,6 +10,7 @@
 use Magento\Framework\App\ResourceConnection;
 use Magento\Framework\DB\Adapter\AdapterInterface;
 use Magento\Framework\DB\Select;
+use Magento\Sales\Model\ResourceModel\Grid;
 
 /**
  * Query builder for retrieving list of updated order ids that was not synced to grid table.
@@ -80,23 +81,6 @@ private function getConnection(): AdapterInterface
         return $this->connection;
     }
 
-    /**
-     * Returns update time of the last row in the grid.
-     *
-     * @param string $gridTableName
-     * @return string
-     */
-    private function getLastUpdatedAtValue(string $gridTableName): string
-    {
-        $select = $this->getConnection()->select()
-            ->from($this->getConnection()->getTableName($gridTableName), ['updated_at'])
-            ->order('updated_at DESC')
-            ->limit(1);
-        $row = $this->getConnection()->fetchRow($select);
-
-        return $row['updated_at'] ?? '0000-00-00 00:00:00';
-    }
-
     /**
      * Builds select object.
      *
@@ -107,9 +91,15 @@ private function getLastUpdatedAtValue(string $gridTableName): string
     public function build(string $mainTableName, string $gridTableName): Select
     {
         $select = $this->getConnection()->select()
-            ->from($mainTableName, [$mainTableName . '.entity_id']);
-        $lastUpdateTime = $this->getLastUpdatedAtValue($gridTableName);
-        $select->where($mainTableName . '.updated_at >= ?', $lastUpdateTime);
+            ->from(['main_table' => $mainTableName], ['main_table.entity_id'])
+            ->joinLeft(
+                ['grid_table' => $this->resourceConnection->getTableName($gridTableName)],
+                'main_table.entity_id = grid_table.entity_id',
+                []
+            );
+
+        $select->where('grid_table.entity_id IS NULL');
+        $select->limit(Grid::BATCH_SIZE);
         foreach ($this->additionalGridTables as $table) {
             $select->joinLeft(
                 [$table => $table],