<record model="ir.ui.view" id="view_event_question_report_pivot">
            <field name="name">event.question.report.pivot</field>
            <field name="model">event.question.report</field>
            <field name="arch" type="xml">
                <pivot string="Questions Analysis" disable_linking="True">
                    <field name="event_id" type="row"/>
                    <field name="attendee_id" type="row"/>
                    <field name="question_id" type="col"/>
                    <field name="answer_id" type="col"/>
                    <field name="amount" type="measure"/>
                    <field name="date" interval="year" type="col"/>
                    <field name="date" interval="day" type="col"/>
                    <field name="total_difference" type="measure" widget="float_time"/>
                    <field name="date" interval="month" type="col"/>


                </pivot>
            </field>
        </record>

懂得,原来世界如此简单!