Fixed contains_updates

Author: technige

neo4j/v1/session.py

@@ -291,9 +291,6 @@ class SummaryCounters(object):
     """ Set of statistics from a Cypher statement execution.
     """
 
-    #:
-    contains_updates = False
-
     #:
     nodes_created = 0
 
@@ -335,6 +332,14 @@ def __init__(self, statistics):
     def __repr__(self):
         return repr(vars(self))
 
+    @property
+    def contains_updates(self):
+        return self.nodes_created or self.nodes_deleted or \
+               self.relationships_created or self.relationships_deleted or \
+               self.properties_set or self.labels_added or self.labels_removed or \
+               self.indexes_added or self.indexes_removed or \
+               self.constraints_added or self.constraints_removed
+
 
 #: A plan describes how the database will execute your statement.
 #: