[es] only use var in selected

es.py

@@ -88,10 +88,10 @@
         attr = rschema.type
         var = next(varmaker)
         rql.append('%s %s %s' % (V, attr, var))
-        selected.append((attr, var))
+        selected.append(var)
     for rschema, tschema in schema.eschema(etype).attribute_definitions():
         if tschema.type in ('Int', 'Float'):
             attr = rschema.type
             if eid and attr != 'eid':
                 var = next(varmaker)
                 rql.append('%s %s %s' % (V, attr, var))
@@ -92,10 +92,10 @@
     for rschema, tschema in schema.eschema(etype).attribute_definitions():
         if tschema.type in ('Int', 'Float'):
             attr = rschema.type
             if eid and attr != 'eid':
                 var = next(varmaker)
                 rql.append('%s %s %s' % (V, attr, var))
-                selected.append((attr, var))
+                selected.append(var)
     for attr in ('creation_date', 'modification_date',) + CUSTOM_ATTRIBUTES.get(etype, ()):
         var = next(varmaker)
         rql.append('%s %s %s' % (V, attr, var))
@@ -99,7 +99,7 @@
     for attr in ('creation_date', 'modification_date',) + CUSTOM_ATTRIBUTES.get(etype, ()):
         var = next(varmaker)
         rql.append('%s %s %s' % (V, attr, var))
-        selected.append((attr, var))
+        selected.append(var)
     for attr in ('creation_date', 'modification_date'):
         var = next(varmaker)
         rql.append('%s %s %s' % (V, attr, var))