Revert behavior of dangling period(hanging schema qualifier)

Related to #261.
Reverting to previous behavior until a way to handle behavior/grouping
of invalid sql is agreed upon.

2 files changed, 5 insertions, 5 deletions

diff --git a/sqlparse/engine/grouping.py b/sqlparse/engine/grouping.py
index d5b5c4f..62357d3 100644
--- a/sqlparse/engine/grouping.py
+++ b/sqlparse/engine/grouping.py
@@ -99,10 +99,10 @@ def group_period(tlist):
     def valid_next(token):
         sqlcls = sql.SquareBrackets, sql.Function
         ttypes = T.Name, T.String.Symbol, T.Wildcard
-        return imt(token, i=sqlcls, t=ttypes)
+        return token is None or imt(token, i=sqlcls, t=ttypes)
 
     def post(tlist, pidx, tidx, nidx):
-        return pidx, nidx
+        return (pidx, nidx) if nidx is not None else (pidx, tidx)
 
     _group(tlist, sql.Identifier, match, valid_prev, valid_next, post)
 
diff --git a/tests/test_grouping.py b/tests/test_grouping.py
index 272d266..107900b 100644
--- a/tests/test_grouping.py
+++ b/tests/test_grouping.py
@@ -89,9 +89,9 @@ class TestGrouping(TestCaseBase):
         p = sqlparse.parse('a.')[0]
         self.assert_(isinstance(p.tokens[0], sql.Identifier))
         self.assertEqual(p.tokens[0].has_alias(), False)
-        self.assertEqual(p.tokens[0].get_name(), 'a')
-        self.assertEqual(p.tokens[0].get_real_name(), 'a')
-        self.assertEqual(p.tokens[0].get_parent_name(), None)
+        self.assertEqual(p.tokens[0].get_name(), None)
+        self.assertEqual(p.tokens[0].get_real_name(), None)
+        self.assertEqual(p.tokens[0].get_parent_name(), 'a')
 
     def test_identifier_as_invalid(self):  # issue8
         p = sqlparse.parse('foo as select *')[0]