added timeuuid column

cqlengine/columns.py

@@ -196,6 +196,17 @@ class UUID(Column):
         if not self.re_uuid.match(val):
             raise ValidationError("{} is not a valid uuid".format(value))
         return _UUID(val)
+    
+class TimeUUID(UUID):
+    """
+    UUID containing timestamp
+    """
+    
+    db_type = 'timeuuid'
+    
+    def __init__(self, **kwargs):
+        kwargs.setdefault('default', lambda: uuid1())
+        super(TimeUUID, self).__init__(**kwargs)
 
 class Boolean(Column):
     db_type = 'boolean'

cqlengine/tests/columns/test_validation.py

@@ -4,7 +4,7 @@ from decimal import Decimal as D
 
 from cqlengine.tests.base import BaseCassEngTestCase
 
-from cqlengine.columns import Column
+from cqlengine.columns import Column, TimeUUID
 from cqlengine.columns import Bytes
 from cqlengine.columns import Ascii
 from cqlengine.columns import Text
@@ -63,5 +63,36 @@ class TestDecimal(BaseCassEngTestCase):
         dt2 = self.DecimalTest.objects(test_id=0).first()
         assert dt2.dec_val == D('5')
         
+class TestTimeUUID(BaseCassEngTestCase):
+    class TimeUUIDTest(Model):
+        test_id = Integer(primary_key=True)
+        timeuuid = TimeUUID()
+        
+    @classmethod
+    def setUpClass(cls):
+        super(TestTimeUUID, cls).setUpClass()
+        create_table(cls.TimeUUIDTest)
+        
+    @classmethod
+    def tearDownClass(cls):
+        super(TestTimeUUID, cls).tearDownClass()
+        delete_table(cls.TimeUUIDTest)
+        
+    def test_timeuuid_io(self):
+        t0 = self.TimeUUIDTest.create(test_id=0)
+        t1 = self.TimeUUIDTest.get(test_id=0)
+        
+        assert t1.timeuuid.time == t1.timeuuid.time
+
+
+
+
+
+
+
+
+
+
+