- added partial index support for postgres

- fixed create and drop methods on MockConnection

1 files changed, 4 insertions, 1 deletions

diff --git a/lib/sqlalchemy/schema.py b/lib/sqlalchemy/schema.py
index 713adc585..fce181cbb 100644
--- a/lib/sqlalchemy/schema.py
+++ b/lib/sqlalchemy/schema.py
@@ -947,13 +947,16 @@ class Index(SchemaItem):
 
           unique
             Defaults to False: create a unique index.
-            
+
+          postgres_where
+            Defaults to None: create a partial index when using PostgreSQL
         """
 
         self.name = name
         self.columns = []
         self.table = None
         self.unique = kwargs.pop('unique', False)
+        self.postgres_where = kwargs.pop('postgres_where', None)
         self._init_items(*columns)
 
     def _init_items(self, *args):