--- a/cubicweb/rset.py	Thu Mar 12 15:38:51 2020 +0100
+++ b/cubicweb/rset.py	Fri Mar 20 14:34:07 2020 +0100
@@ -42,7 +42,7 @@
     :param rql: the original RQL query string
     """
 
-    def __init__(self, results, rql, args=None, description=None):
+    def __init__(self, results, rql, args=None, description=None, variables=None):
         self.rows = results
         self.rowcount = results and len(results) or 0
         # original query and arguments
@@ -54,6 +54,7 @@
             self.description = []
         else:
             self.description = description
+        self.variables = variables if variables is not None else []
         # set to (limit, offset) when a result set is limited using the
         # .limit method
         self.limited = None