Update IndexService.php

Author: romanmiranda

src/Services/IndexService.php

@@ -89,7 +89,7 @@ protected function indexAlreadyExists()
         $indexName = $this->modelService->indexName;
 
         return !empty(DB::connection($this->modelService->connectionName)->
-        select("SHOW INDEX FROM `$tableName` WHERE Key_name = ?", [$indexName]));
+        select("SHOW INDEX FROM `$tableName` WHERE `Key_name` = ?", [$indexName]));
     }
 
     protected function indexNeedsUpdate()
@@ -106,7 +106,7 @@ protected function getIndexFields()
         $tableName = $this->modelService->tablePrefixedName;
 
         $index = DB::connection($this->modelService->connectionName)->
-        select("SHOW INDEX FROM `$tableName` WHERE Key_name = ?", [$indexName]);
+        select("SHOW INDEX FROM `$tableName` WHERE `Key_name` = ?", [$indexName]);
 
         $indexFields = [];