From: Mike Bayer <mike_mp@zzzcomputing.com>
Date: Tue, 4 Mar 2008 19:41:40 +0000 (+0000)
Subject: check for None
X-Git-Tag: rel_0_4_4~37
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=97e32c995c8791278ee995eb53af2735bbb725dd;p=thirdparty%2Fsqlalchemy%2Fsqlalchemy.git

check for None
---

diff --git a/lib/sqlalchemy/databases/postgres.py b/lib/sqlalchemy/databases/postgres.py
index 19228f558e..10f384475f 100644
--- a/lib/sqlalchemy/databases/postgres.py
+++ b/lib/sqlalchemy/databases/postgres.py
@@ -121,7 +121,9 @@ class PGArray(sqltypes.MutableType, sqltypes.Concatenable, sqltypes.TypeEngine):
         self.mutable = mutable
 
     def copy_value(self, value):
-        if self.mutable:
+        if value is None:
+            return None
+        elif self.mutable:
             return list(value)
         else:
             return value