saleorderids_notcontains_orderline = saleorder_obj.search(cr,uid,[('order_line','is',None)])
I have written above query to get sales orders which does not contain Order lines in openerp.
It is giving thi error. " ValueError: Invalid leaf ('order_line', 'is', None) ". Pleae can any one solve this error? (OR ) suggest me a way how can i get sales order id's which doesnot contain sale order lines.
The definition of the column in sales order table. 'order_line': fields.one2many('sale.order.line', 'order_id', 'Order Lines', readonly=True, states={'draft': [('readonly', False)], 'sent': [('readonly', False)]}),