Fixes #516

coleifer · Jan 31, 2015 · ba51659 · ba51659
1 parent 2b7356c
commit ba51659
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Showing 2 changed files with 9 additions and 1 deletion.
diff --git a/peewee.py b/peewee.py
@@ -700,7 +700,8 @@ def clone_base(self, **kwargs):
         if self._is_bound:
             inst.name = self.name
             inst.model_class = self.model_class
-            return inst
+        inst._is_bound = self._is_bound
+        return inst
 
     def add_to_class(self, model_class, name):
         """

diff --git a/playhouse/tests/test_queries.py b/playhouse/tests/test_queries.py
@@ -444,6 +444,13 @@ def test_where_negation(self):
         sq = SelectQuery(Blog).where(~((Blog.title == 'foo') & (Blog.title == 'bar')) & ((Blog.title == 'baz') & (Blog.title == 'fizz')))
         self.assertWhere(sq, '(NOT (("blog"."title" = ?) AND ("blog"."title" = ?)) AND (("blog"."title" = ?) AND ("blog"."title" = ?)))', ['foo', 'bar', 'baz', 'fizz'])
 
+    def test_where_negation_single_clause(self):
+        sq = SelectQuery(Blog).where(~Blog.title)
+        self.assertWhere(sq, 'NOT "blog"."title"', [])
+
+        sq = sq.where(Blog.pk > 1)
+        self.assertWhere(sq, '(NOT "blog"."title" AND ("blog"."pk" > ?))', [1])
+
     def test_where_chaining_collapsing(self):
         sq = SelectQuery(User).where(User.id == 1).where(User.id == 2).where(User.id == 3)
         self.assertWhere(sq, '((("users"."id" = ?) AND ("users"."id" = ?)) AND ("users"."id" = ?))', [1, 2, 3])