diff -r 5fb592895e0f -r 247ddae477ae dataimport/massive_store.py
--- a/dataimport/massive_store.py	Mon Nov 09 16:43:50 2015 +0100
+++ b/dataimport/massive_store.py	Mon Nov 09 17:00:50 2015 +0100
@@ -113,7 +113,6 @@
         # set of rtypes for which we have a %(rtype)s_relation_tmp table
         self._rtypes = set()
 
-        self.sql = self._cnx.system_sql
         self.slave_mode = slave_mode
         self.size_constraints = get_size_constraints(cnx.vreg.schema)
         self.default_values = get_default_values(cnx.vreg.schema)