ENGCOM-737: Solved this issue : Drop down values are not showing in catalog produ… #13861

Author: Stanislav Idolov

app/code/Magento/Eav/Model/ResourceModel/Entity/Attribute/Option.php

@@ -44,8 +44,8 @@ public function addOptionValueToCollection($collection, $attribute, $valueExpr)
         );
         $valueExpr = $connection->getCheckSql(
             "{$optionTable2}.value_id IS NULL",
-            "{$optionTable1}.value",
-            "{$optionTable2}.value"
+            "{$optionTable1}.option_id",
+            "{$optionTable2}.option_id"
         );
 
         $collection->getSelect()->joinLeft(