From 63698c6c28a4b06e0da73ecb2a0f70ae2d251c17 Mon Sep 17 00:00:00 2001
From: Federico Di Gregorio <fog@initd.org>
Date: Thu, 19 May 2005 01:18:21 +0000
Subject: [PATCH] Little cursor fix.

---
 ChangeLog             | 6 ++++++
 psycopg/cursor_type.c | 2 +-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index bdd17a59..35127a8a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2005-05-19  Federico Di Gregorio  <fog@debian.org>
+
+	* psycopg/cursor_type.c (_psyco_curs_execute): added explict check
+	to avoid using None as bound variables (very importand for cursor
+	subclasses calling cursor.execute(self, query, None).
+
 2005-05-18  Federico Di Gregorio  <fog@debian.org>
 
 	* Release 2.0b2.
diff --git a/psycopg/cursor_type.c b/psycopg/cursor_type.c
index 83466d0e..4b3de5b0 100644
--- a/psycopg/cursor_type.c
+++ b/psycopg/cursor_type.c
@@ -286,7 +286,7 @@ _psyco_curs_execute(cursorObject *self,
 
        let's go... */
     
-    if (vars)
+    if (vars && vars != Py_None)
     {
         if(_mogrify(vars, operation, self->conn, &cvt) == -1) {
             Py_XDECREF(uoperation);