refactor

Author: decaylala

src/Illuminate/Queue/Jobs/Job.php

@@ -204,13 +204,11 @@ public function fail($e = null)
             }
         }
 
-        $failedJobConnectionName = $this->container['config']['queue.failed.database'];
-
         // If the job times out and has an open database transaction on the same connection as
         // the failed jobs table, we need to rollback that transaction to ensure the failed job
         // can be properly logged. Otherwise, the current transaction will never commit.
         if ($e instanceof TimeoutExceededException &&
-            ! is_null($failedJobConnectionName) &&
+            ($failedJobConnectionName = $this->container['config']['queue.failed.database']) &&
             $this->container->bound('db')) {
             $this->container->make('db')->connection($failedJobConnectionName)->rollBack(toLevel: 0);
         }