edit

model.py

@@ -534,7 +534,7 @@ class Sql(object):
 		return sql
 
 	def delete(self, table, args):
-		sql = 'DELETE FROM ' + table + self.where(args['fields'])
+		sql = 'DELETE FROM ' + table + self.where(args['key'], args['fields'])
 		return sql
 
 	def select(self, table, args):

web.py

@@ -71,6 +71,9 @@ class Base(tornado.web.RequestHandler):
 	def input(self, key, value=None):
 		return self.get_argument(key, value)
 
+	def inputs(self, key):
+		return self.get_arguments(key)
+
 	def service(self, name):
 		return Demeter.service(name)