Add properties for new job statistics

bigquery/google/cloud/bigquery/client.py

@@ -83,6 +83,17 @@ def __init__(self, project=None, credentials=None, _http=None):
             project=project, credentials=credentials, _http=_http)
         self._connection = Connection(self)
 
+    def _clone(self, project):
+        """Create a new client for another project.
+
+        Helper for creating dataset / table instances in remote projects.
+
+        :rtype: :class:`Client`
+        :returns: a new instance, bound to the supplied project, using
+                  the same credentials / http object as this instance.
+        """
+        return self.__class__(project, self._credentials, self._http)
+
     def list_projects(self, max_results=None, page_token=None):
         """List projects for the project associated with this client.
 

bigquery/tests/unit/test_client.py

@@ -45,6 +45,18 @@ def test_ctor(self):
         self.assertIs(client._connection.credentials, creds)
         self.assertIs(client._connection.http, http)
 
+    def test_clone(self):
+        PROJECT = 'PROJECT'
+        OTHER_PROJECT = 'OTHER-PROJECT'
+        creds = _make_credentials()
+        http = object()
+        client = self._make_one(project=PROJECT, credentials=creds, _http=http)
+
+        cloned = client._clone(OTHER_PROJECT)
+        self.assertEqual(cloned.project, OTHER_PROJECT)
+        self.assertIs(cloned._credentials, creds)
+        self.assertIs(cloned._http, http)
+
     def test_list_projects_defaults(self):
         import six
         from google.cloud.bigquery.client import Project