Added json typecaster

1 files changed, 14 insertions, 0 deletions

diff --git a/lib/extensions.py b/lib/extensions.py
index bb8e3dd..066373c 100644
--- a/lib/extensions.py
+++ b/lib/extensions.py
@@ -150,6 +150,20 @@ class NoneAdapter(object):
         return _null
 
 
+# Create default json typecasters for PostgreSQL 9.2 oids
+from psycopg2._json import create_json_typecasters
+
+try:
+    JSON, JSONARRAY = create_json_typecasters(114, 199)
+except ImportError:
+    pass
+else:
+    register_type(JSON)
+    register_type(JSONARRAY)
+
+del create_json_typecasters
+
+
 # Add the "cleaned" version of the encodings to the key.
 # When the encoding is set its name is cleaned up from - and _ and turned
 # uppercase, so an encoding not respecting these rules wouldn't be found in the