old_contents: # -*- coding: utf-8 -*-
  ##############################################################################
  #
  #    Copyright (C) 2014 Akretion (http://www.akretion.com/)
  #    @author: Alexis de Lattre <alexis.delattre@akretion.com>
  #
  #    This program is free software: you can redistribute it and/or modify
  #    it under the terms of the GNU Affero General Public License as
  #    published by the Free Software Foundation, either version 3 of the
  #    License, or (at your option) any later version.
  #
  #    This program is distributed in the hope that it will be useful,
  #    but WITHOUT ANY WARRANTY; without even the implied warranty of
  #    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  #    GNU Affero General Public License for more details.
  #
  #    You should have received a copy of the GNU Affero General Public License
  #    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  #
  ##############################################################################
  
  
  def migrate(cr, version):
      cr.execute(
          "UPDATE payment_line SET communication = communication2, "
          "communication2 = null "
          "FROM payment_order "
          "WHERE payment_line.order_id = payment_order.id "
          "AND payment_order.state in ('draft', 'open') "
          "AND payment_line.state = 'normal' "
          "AND communication2 is not null")
  
new_contents: # -*- coding: utf-8 -*-
  ##############################################################################
  #
  #    Copyright (C) 2014 Akretion (http://www.akretion.com/)
  #    @author: Alexis de Lattre <alexis.delattre@akretion.com>
  #
  #    This program is free software: you can redistribute it and/or modify
  #    it under the terms of the GNU Affero General Public License as
  #    published by the Free Software Foundation, either version 3 of the
  #    License, or (at your option) any later version.
  #
  #    This program is distributed in the hope that it will be useful,
  #    but WITHOUT ANY WARRANTY; without even the implied warranty of
  #    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  #    GNU Affero General Public License for more details.
  #
  #    You should have received a copy of the GNU Affero General Public License
  #    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  #
  ##############################################################################
  
  
  def migrate(cr, version):
      cr.execute(
          "UPDATE payment_line SET communication = communication2, "
          "communication2 = null "
          "FROM payment_order "
          "WHERE payment_line.order_id = payment_order.id "
          "AND payment_order.state in ('draft', 'open') "
          "AND payment_line.state = 'normal' "
          "AND communication is null"
          "AND communication2 is not null")
  
subject: Update SQL query with "and communication is null"