added support for string date passthru in sqlite (merge of r3322 from trunk)

1 files changed, 4 insertions, 1 deletions

diff --git a/lib/sqlalchemy/databases/sqlite.py b/lib/sqlalchemy/databases/sqlite.py
index 816b1b76a..965799a22 100644
--- a/lib/sqlalchemy/databases/sqlite.py
+++ b/lib/sqlalchemy/databases/sqlite.py
@@ -31,7 +31,10 @@ class SLSmallInteger(sqltypes.Smallinteger):
 
 class DateTimeMixin(object):
     def convert_bind_param(self, value, dialect):
-        if value is not None:
+        if isinstance(value, basestring): 
+            # pass string values thru 
+            return value 
+        elif value is not None:
             if getattr(value, 'microsecond', None) is not None:
                 return value.strftime(self.__format__ + "." + str(value.microsecond))
             else: