Merge branch 'none-in-composite' into python2

1 files changed, 13 insertions, 0 deletions

diff --git a/lib/extensions.py b/lib/extensions.py
index fca7973..24a9a6b 100644
--- a/lib/extensions.py
+++ b/lib/extensions.py
@@ -128,4 +128,17 @@ class SQL_IN(object):
     __str__ = getquoted
 
 
+class NoneAdapter(object):
+    """Adapt None to NULL.
+
+    This adapter is not used normally as a fast path in mogrify uses NULL,
+    but it makes easier to adapt composite types.
+    """
+    def __init__(self, obj):
+        pass
+
+    def getquoted(self):
+        return "NULL"
+
+
 __all__ = filter(lambda k: not k.startswith('_'), locals().keys())