Return in case of higher precision than expected

tiwilliam · tiwilliam · commit d0f96ff21316 · 2015-05-06T17:32:00.000+02:00
diff --git a/MySQLdb/times.py b/MySQLdb/times.py
@@ -61,8 +61,7 @@ def DateTime_or_None(s):
             # 12:00:00.123456
             micros = int(micros) * 10 ** (6 - len(micros))
         else:
-            # 12:00:00.123456789
-            micros = int(micros)
+            return None
 
         return datetime(
             int(s[:4]),          # year
diff --git a/tests/test_MySQLdb_times.py b/tests/test_MySQLdb_times.py
@@ -19,6 +19,7 @@ def test_date_or_none(self):
         assert times.Date_or_None('fail') is None
         assert times.Date_or_None('2015-12') is None
         assert times.Date_or_None('2015-12-40') is None
+        assert times.Date_or_None('0000-00-00') is None
 
     def test_time_or_none(self):
         assert times.Time_or_None('00:00:00') == time(0, 0)
@@ -44,6 +45,8 @@ def test_datetime_or_none(self):
 
         assert times.DateTime_or_None('') is None
         assert times.DateTime_or_None('fail') is None
+        assert times.DateTime_or_None('0000-00-00 00:00:00') is None
+        assert times.DateTime_or_None('0000-00-00 00:00:00.000000') is None
         assert times.DateTime_or_None('2015-12-13T01:02:03.123456789') is None
 
     def test_timedelta_or_none(self):
