added explicit "convert date types to a string in bind params", since pysqlite1 doesn...

diff --git a/lib/sqlalchemy/databases/sqlite.py b/lib/sqlalchemy/databases/sqlite.py
index ffa7c1bd450a1416c9a46a97cba1ff65f338944e..0e208854e3f91d9ee530d4e8387c3ecafb4da747 100644 (file)
--- a/lib/sqlalchemy/databases/sqlite.py
+++ b/lib/sqlalchemy/databases/sqlite.py
@@ -38,6 +38,11 @@ class SLSmallInteger(sqltypes.Smallinteger):
 class SLDateTime(sqltypes.DateTime):
     def get_col_spec(self):
         return "TIMESTAMP"
+    def convert_bind_param(self, value, engine):
+        if value is not None:
+            return str(value)
+        else:
+            return None
     def _cvt(self, value, engine, fmt):
         if value is None:
             return None