Modified the createJob parameter to contain just job related information

Author: Hectorhammett

BigQuery/src/BigQueryClient.php

@@ -437,20 +437,27 @@ public function runQuery(JobConfigurationInterface $query, array $options = [])
 
             $response = $this->connection->query($statelessArgs);
 
+            $jobId = $response['jobReference']['jobId'] ?? '';
+            $jobInfo = ['jobReference' => $response['jobReference'] ?? []];
+            if (isset($response['statistics'])) {
+                $jobInfo['statistics'] = $response['statistics'];
+            }
+
             if ($response['jobComplete'] ?? false) {
-                $jobId = $response['jobReference']['jobId'] ?? '';
+                // This is to keep it consistent with the response from a non stateless query
+                $jobInfo['status']['state'] = Job::DONE;
                 return new QueryResults(
                     $this->connection,
                     $jobId,
                     $this->projectId,
                     $response,
                     $this->mapper,
-                    $this->createJob($response, $jobId),
+                    $this->createJob($jobInfo, $jobId),
                     $queryResultsOptions
                 );
             }
 
-            $job = $this->createJob($response, $response['jobReference']['jobId']);
+            $job = $this->createJob($jobInfo, $jobId);
         } else {
             $job = $this->startQuery($query, $options);
         }

BigQuery/src/Job.php

@@ -33,6 +33,7 @@ class Job
     use JobWaitTrait;
 
     const MAX_RETRIES = PHP_INT_MAX;
+    const DONE = 'DONE';
 
     /**
      * @var ConnectionInterface Represents a connection to BigQuery.