got oracle parenthesized rules for funcs back, fixed copy_container on function

1 files changed, 2 insertions, 2 deletions

diff --git a/lib/sqlalchemy/sql.py b/lib/sqlalchemy/sql.py
index 24263184d..87ce3b965 100644
--- a/lib/sqlalchemy/sql.py
+++ b/lib/sqlalchemy/sql.py
@@ -794,7 +794,7 @@ class Function(ClauseList, ColumnElement):
     def __init__(self, name, *clauses, **kwargs):
         self.name = name
         self.type = kwargs.get('type', sqltypes.NULLTYPE)
-        self.packagenames = kwargs.get('packagenames')
+        self.packagenames = kwargs.get('packagenames', None) or []
         self._engine = kwargs.get('engine', None)
         if self._engine is not None:
             self.type = self._engine.type_descriptor(self.type)
@@ -813,7 +813,7 @@ class Function(ClauseList, ColumnElement):
         data.setdefault(self, self)
     def copy_container(self):
         clauses = [clause.copy_container() for clause in self.clauses]
-        return Function(self.name, type=self.type, *clauses)
+        return Function(self.name, type=self.type, packagenames=self.packagenames, *clauses)
     def accept_visitor(self, visitor):
         for c in self.clauses:
             c.accept_visitor(visitor)