gtid: intervals are now right-opened on mysql wire representation

Signed-off-by: Arthur Gautier <baloo@gandi.net>

Author: Arthur Gautier

pymysqlreplication/gtid.py

@@ -227,7 +227,7 @@ def decode(cls, payload):
         intervals = []
         for i in range(0, n_intervals):
             start, end = struct.unpack('<QQ', payload.read(16))
-            intervals.append((start, end))
+            intervals.append((start, end-1))
 
         return cls('%s:%s' % (sid.decode('ascii'), ':'.join([
             '%d-%d' % x

pymysqlreplication/tests/test_basic.py

@@ -846,7 +846,7 @@ def test_gtidset_representation_newline(self):
         myset = GtidSet(mysql_repr)
         self.assertEqual(str(myset), set_repr)
 
-    def test_gtidset_representation(self):
+    def test_gtidset_representation_payload(self):
         set_repr = '57b70f4e-20d3-11e5-a393-4a63946f7eac:1-56,' \
                    '4350f323-7565-4e59-8763-4b1b83a0ce0e:1-20'