353         raise Unauthorized(action, str(self))

   353         raise Unauthorized(action, str(self))

   354 

   354 

   355     def rql_expression(self, expression, mainvars=None, eid=None):

   355     def rql_expression(self, expression, mainvars=None, eid=None):

   356         """rql expression factory"""

   356         """rql expression factory"""

   357         return ERQLExpression(expression, mainvars, eid)

   357         return ERQLExpression(expression, mainvars, eid)

   358 

   359 

   359 class CubicWebRelationSchema(RelationSchema):

   360 class CubicWebRelationSchema(RelationSchema):

   360     RelationSchema._RPROPERTIES['eid'] = None

   361     RelationSchema._RPROPERTIES['eid'] = None

   361     _perms_checked = False

   362     _perms_checked = False

   362 

   363