问自定义模块odoo 9中的枢轴

EN

class ReportMyModuleUser(models.Model):
    _name = "report.my.module.user"
    _description = "My module"
    _auto = False


    name = fields.Char(string = 'Name')
    date = fields.Datetime(string = 'Date')
    user_id = fields.Many2one('res.users', 'User')


    def _select(self):
        select_str = """
             SELECT
                    pn.name,
                    pn.date,
                    pn.user_id
        """
        return select_str

    def _group_by(self):
        group_by_str = """
                GROUP BY
                    pn.name
        """
        return group_by_str

    def init(self):
        print(self)
        tools.drop_view_if_exists(self._cr, self._table)
        self._cr.execute("""
            CREATE view %s as
              %s
              FROM my_table pn
                %s
         """ % (self._table, self._select(), self._group_by()))