diff --git a/addons/account/report/account_invoice_report_view.xml b/addons/account/report/account_invoice_report_view.xml
index f8229683c82..ee9ee109b7c 100644
--- a/addons/account/report/account_invoice_report_view.xml
+++ b/addons/account/report/account_invoice_report_view.xml
@@ -5,7 +5,7 @@
          <field name="name">account.invoice.report.pivot</field>
          <field name="model">account.invoice.report</field>
          <field name="arch" type="xml">
-             <pivot string="Invoices Analysis" disable_linking="True">
+             <pivot string="Invoices Analysis" disable_linking="True" sample="1">
                  <field name="product_categ_id" type="col"/>
                  <field name="invoice_date" type="row"/>
                  <field name="price_subtotal" type="measure"/>
diff --git a/addons/account/views/account_bank_statement_views.xml b/addons/account/views/account_bank_statement_views.xml
index 55308646a95..187406595e0 100644
--- a/addons/account/views/account_bank_statement_views.xml
+++ b/addons/account/views/account_bank_statement_views.xml
@@ -377,7 +377,7 @@
             <field name="name">account.bank.statement.pivot</field>
             <field name="model">account.bank.statement</field>
             <field name="arch" type="xml">
-                <pivot string="Account Statistics" >
+                <pivot string="Account Statistics" sample="1">
                     <field name="date" type="row"/>
                     <field name="balance_start" type="measure"/>
                     <field name="balance_end" type="measure"/>
diff --git a/addons/account/views/account_move_views.xml b/addons/account/views/account_move_views.xml
index c9e12964093..a42a1183eef 100644
--- a/addons/account/views/account_move_views.xml
+++ b/addons/account/views/account_move_views.xml
@@ -123,7 +123,7 @@
             <field name="name">account.move.line.pivot</field>
             <field name="model">account.move.line</field>
             <field name="arch" type="xml">
-                <pivot string="Journal Items">
+                <pivot string="Journal Items" sample="1">
                     <field name="journal_id" type="row"/>
                     <field name="date" type="col"/>
                     <field name="balance" type="measure"/>
diff --git a/addons/analytic/views/analytic_account_views.xml b/addons/analytic/views/analytic_account_views.xml
index cf70b610f1c..be659746adb 100644
--- a/addons/analytic/views/analytic_account_views.xml
+++ b/addons/analytic/views/analytic_account_views.xml
@@ -342,7 +342,7 @@
             <field name="name">account.analytic.line.pivot</field>
             <field name="model">account.analytic.line</field>
             <field name="arch" type="xml">
-                <pivot string="Analytic Entries" >
+                <pivot string="Analytic Entries" sample="1">
                     <field name="account_id" type="row"/>
                     <field name="unit_amount" type="measure"/>
                     <field name="amount" type="measure"/>
diff --git a/addons/crm/report/crm_activity_report_views.xml b/addons/crm/report/crm_activity_report_views.xml
index 126f6706abc..72bba532528 100644
--- a/addons/crm/report/crm_activity_report_views.xml
+++ b/addons/crm/report/crm_activity_report_views.xml
@@ -16,7 +16,7 @@
             <field name="name">crm.activity.report.pivot</field>
             <field name="model">crm.activity.report</field>
             <field name="arch" type="xml">
-                <pivot string="Activities Analysis" disable_linking="True">
+                <pivot string="Activities Analysis" disable_linking="True" sample="1">
                     <field name="mail_activity_type_id" type="col"/>
                     <field name="date" interval="month" type="row"/>
                 </pivot>
diff --git a/addons/crm/report/crm_opportunity_report_views.xml b/addons/crm/report/crm_opportunity_report_views.xml
index b6dbedda40b..85a4012e58c 100644
--- a/addons/crm/report/crm_opportunity_report_views.xml
+++ b/addons/crm/report/crm_opportunity_report_views.xml
@@ -7,7 +7,7 @@
             <field name="model">crm.lead</field>
             <field name="priority">60</field>
             <field name="arch" type="xml">
-                <pivot string="Pipeline Analysis">
+                <pivot string="Pipeline Analysis" sample="1">
                     <field name="create_date" interval="month" type="col"/>
                     <field name="stage_id" type="row"/>
                     <field name="prorated_revenue" type="measure"/>
@@ -20,7 +20,7 @@
             <field name="model">crm.lead</field>
             <field name="priority">60</field>
             <field name="arch" type="xml">
-                <pivot string="Leads Analysis">
+                <pivot string="Leads Analysis" sample="1">
                     <field name="create_date" interval="month" type="row"/>
                     <field name="team_id" type="col"/>
                 </pivot>
diff --git a/addons/crm/views/crm_lead_views.xml b/addons/crm/views/crm_lead_views.xml
index 1291ef671b9..e7b991da49d 100644
--- a/addons/crm/views/crm_lead_views.xml
+++ b/addons/crm/views/crm_lead_views.xml
@@ -755,7 +755,7 @@
             <field name="name">crm.lead.view.pivot</field>
             <field name="model">crm.lead</field>
             <field name="arch" type="xml">
-                <pivot string="Pipeline Analysis">
+                <pivot string="Pipeline Analysis" sample="1">
                     <field name="create_date" interval="month" type="row"/>
                     <field name="stage_id" type="col"/>
                     <field name="expected_revenue" type="measure"/>
diff --git a/addons/event/views/event_views.xml b/addons/event/views/event_views.xml
index 328c85c8be8..faa081e643c 100644
--- a/addons/event/views/event_views.xml
+++ b/addons/event/views/event_views.xml
@@ -456,7 +456,7 @@
             <field name="name">event.event.view.pivot</field>
             <field name="model">event.event</field>
             <field name="arch" type="xml">
-                <pivot string="Event">
+                <pivot string="Event" sample="1">
                     <field name="name" type="row"/>
                     <field name="seats_reserved" type="measure"/>
                 </pivot>
@@ -666,7 +666,7 @@
             <field name="name">event.registration.pivot</field>
             <field name="model">event.registration</field>
             <field name="arch" type="xml">
-                <pivot string="Registration" display_quantity="True">
+                <pivot string="Registration" display_quantity="True" sample="1">
                     <field name="event_id" type="row"/>
                 </pivot>
             </field>
diff --git a/addons/fleet/views/fleet_board_view.xml b/addons/fleet/views/fleet_board_view.xml
index 36fdcbf93ea..ac4ae319f88 100644
--- a/addons/fleet/views/fleet_board_view.xml
+++ b/addons/fleet/views/fleet_board_view.xml
@@ -24,7 +24,7 @@
         <field name="name">fleet.vehicle.cost.view.pivot</field>
         <field name="model">fleet.vehicle.cost.report</field>
         <field name="arch" type="xml">
-            <pivot>
+            <pivot sample="1">
                 <field name="date_start" type="col" interval="year" />
                 <field name="cost_type" type="col" />
                 <field name="vehicle_id" type="row" />
diff --git a/addons/hr_attendance/views/hr_attendance_view.xml b/addons/hr_attendance/views/hr_attendance_view.xml
index 887274180af..0dc0f7472f1 100644
--- a/addons/hr_attendance/views/hr_attendance_view.xml
+++ b/addons/hr_attendance/views/hr_attendance_view.xml
@@ -111,7 +111,7 @@
         <field name="name">hr.attendance.pivot</field>
         <field name="model">hr.attendance</field>
         <field name="arch" type="xml">
-            <pivot string="Attendance">
+            <pivot string="Attendance" sample="1">
                 <field name="employee_id" type="row"/>
                 <field name="check_in" type="col"/>
                 <field name="worked_hours" type="measure" widget="float_time"/>
diff --git a/addons/hr_expense/views/hr_expense_views.xml b/addons/hr_expense/views/hr_expense_views.xml
index 0ba7d261c81..fe3a1740b62 100644
--- a/addons/hr_expense/views/hr_expense_views.xml
+++ b/addons/hr_expense/views/hr_expense_views.xml
@@ -228,7 +228,7 @@
             <field name="name">hr.expense.pivot</field>
             <field name="model">hr.expense</field>
             <field name="arch" type="xml">
-                <pivot string="Expenses Analysis">
+                <pivot string="Expenses Analysis" sample="1">
                     <field name="employee_id" type="row"/>
                     <field name="date" interval="month" type="col"/>
                     <field name="total_amount" type="measure"/>
@@ -664,7 +664,7 @@
             <field name="name">hr.expense.sheet.pivot</field>
             <field name="model">hr.expense.sheet</field>
             <field name="arch" type="xml">
-                <pivot string="Expenses Analysis">
+                <pivot string="Expenses Analysis" sample="1">
                     <field name="employee_id" type="row"/>
                     <field name="accounting_date" interval="month" type="col"/>
                     <field name="total_amount" type="measure"/>
diff --git a/addons/hr_holidays/views/hr_leave_views.xml b/addons/hr_holidays/views/hr_leave_views.xml
index 51b84100147..98de5bbbbfc 100644
--- a/addons/hr_holidays/views/hr_leave_views.xml
+++ b/addons/hr_holidays/views/hr_leave_views.xml
@@ -707,7 +707,7 @@
         <field name="model">hr.leave</field>
         <field name="priority">20</field>
         <field name="arch" type="xml">
-            <pivot string="Time Off Summary">
+            <pivot string="Time Off Summary" sample="1">
                 <field name="employee_id" type="row"/>
                 <field name="date_from" type="col"/>
                 <field name="number_of_days" type="measure"/>
diff --git a/addons/hr_recruitment/views/hr_recruitment_views.xml b/addons/hr_recruitment/views/hr_recruitment_views.xml
index d973473bce7..379141c28cc 100644
--- a/addons/hr_recruitment/views/hr_recruitment_views.xml
+++ b/addons/hr_recruitment/views/hr_recruitment_views.xml
@@ -164,7 +164,7 @@
         <field name="name">Jobs - Recruitment</field>
         <field name="model">hr.applicant</field>
         <field name="arch" type="xml">
-              <pivot string="Job Applications">
+              <pivot string="Job Applications" sample="1">
                 <field name="create_date" type="row"/>
                 <field name="stage_id" type="col"/>
                 <field name="color" invisible="1"/>
@@ -930,7 +930,7 @@ action = act
          <field name="name">hr.applicant.pivot</field>
          <field name="model">hr.applicant</field>
          <field name="arch" type="xml">
-             <pivot string="Recruitment Analysis">
+             <pivot string="Recruitment Analysis" sample="1">
                  <field name="stage_id" type="row"/>
                  <field name="job_id" type="col"/>
              </pivot>
diff --git a/addons/hr_timesheet/report/project_report_view.xml b/addons/hr_timesheet/report/project_report_view.xml
index d816e39832f..54529f66e39 100644
--- a/addons/hr_timesheet/report/project_report_view.xml
+++ b/addons/hr_timesheet/report/project_report_view.xml
@@ -6,7 +6,7 @@
             <field name="model">report.project.task.user</field>
             <field name="inherit_id" ref="project.view_task_project_user_graph" />
             <field name="arch" type="xml">
-                <graph string="Tasks Analysis" type="bar">
+                <graph string="Tasks Analysis" type="bar" sample="1">
                     <field name="project_id" position="after">
                         <field name="hours_planned" type="measure"/>
                         <field name="remaining_hours" type="measure"/>
diff --git a/addons/hr_timesheet/views/hr_timesheet_views.xml b/addons/hr_timesheet/views/hr_timesheet_views.xml
index a597583d3eb..1ff51508b3b 100644
--- a/addons/hr_timesheet/views/hr_timesheet_views.xml
+++ b/addons/hr_timesheet/views/hr_timesheet_views.xml
@@ -50,7 +50,7 @@
             <field name="name">account.analytic.line.pivot</field>
             <field name="model">account.analytic.line</field>
             <field name="arch" type="xml">
-                <pivot string="Timesheet">
+                <pivot string="Timesheet" sample="1">
                     <field name="employee_id" type="row"/>
                     <field name="date" interval="month" type="col"/>
                     <field name="unit_amount" type="measure" widget="timesheet_uom"/>
diff --git a/addons/hr_timesheet_attendance/report/hr_timesheet_attendance_report_view.xml b/addons/hr_timesheet_attendance/report/hr_timesheet_attendance_report_view.xml
index 33ca560c2a9..9c7cad6881d 100644
--- a/addons/hr_timesheet_attendance/report/hr_timesheet_attendance_report_view.xml
+++ b/addons/hr_timesheet_attendance/report/hr_timesheet_attendance_report_view.xml
@@ -16,7 +16,7 @@
             <field name="name">HR timesheet attendance report: Pivot</field>
             <field name="model">hr.timesheet.attendance.report</field>
             <field name="arch" type="xml">
-                <pivot string="timesheet attendance" disable_linking="True">
+                <pivot string="timesheet attendance" disable_linking="True" sample="1">
                     <field name="date" interval="month" type="row"/>
                     <field name="total_attendance" type="measure" widget="timesheet_uom"/>
                     <field name="total_timesheet" type="measure" widget="timesheet_uom"/>
diff --git a/addons/im_livechat/report/im_livechat_report_channel_views.xml b/addons/im_livechat/report/im_livechat_report_channel_views.xml
index dee9c2c9714..d34b433380f 100644
--- a/addons/im_livechat/report/im_livechat_report_channel_views.xml
+++ b/addons/im_livechat/report/im_livechat_report_channel_views.xml
@@ -6,7 +6,7 @@
             <field name="name">im_livechat.report.channel.pivot</field>
             <field name="model">im_livechat.report.channel</field>
             <field name="arch" type="xml">
-                <pivot string="Livechat Support Statistics" disable_linking="True">
+                <pivot string="Livechat Support Statistics" disable_linking="True" sample="1">
                     <field name="technical_name" type="row"/>
                     <field name="duration" type="measure"/>
                     <field name="nbr_message" type="measure"/>
diff --git a/addons/im_livechat/report/im_livechat_report_operator_views.xml b/addons/im_livechat/report/im_livechat_report_operator_views.xml
index 57861379424..64163f5fef4 100644
--- a/addons/im_livechat/report/im_livechat_report_operator_views.xml
+++ b/addons/im_livechat/report/im_livechat_report_operator_views.xml
@@ -6,7 +6,7 @@
             <field name="name">im_livechat.report.operator.pivot</field>
             <field name="model">im_livechat.report.operator</field>
             <field name="arch" type="xml">
-                <pivot string="Livechat Support Statistics" disable_linking="True">
+                <pivot string="Livechat Support Statistics" disable_linking="True" sample="1">
                     <field name="partner_id" type="row"/>
                     <field name="duration" type="measure"/>
                     <field name="nbr_channel" type="measure"/>
diff --git a/addons/lunch/views/lunch_orders_views.xml b/addons/lunch/views/lunch_orders_views.xml
index 1fe9dec1881..4ace83a8adc 100644
--- a/addons/lunch/views/lunch_orders_views.xml
+++ b/addons/lunch/views/lunch_orders_views.xml
@@ -110,7 +110,7 @@
         <field name="name">lunch.order.pivot</field>
         <field name="model">lunch.order</field>
         <field name="arch" type="xml">
-            <pivot>
+            <pivot sample="1">
                 <field name="date" type="col"/>
                 <field name="supplier_id" type="row"/>
             </pivot>
diff --git a/addons/maintenance/views/maintenance_views.xml b/addons/maintenance/views/maintenance_views.xml
index b99f1dc3885..4a2d20f3cd8 100644
--- a/addons/maintenance/views/maintenance_views.xml
+++ b/addons/maintenance/views/maintenance_views.xml
@@ -209,7 +209,7 @@
         <field name="name">equipment.request.pivot</field>
         <field name="model">maintenance.request</field>
         <field name="arch" type="xml">
-            <pivot string="maintenance Request">
+            <pivot string="maintenance Request" sample="1">
                 <field name="user_id"/>
                 <field name="stage_id"/>
                 <field name="color" invisible="1"/>
diff --git a/addons/mass_mailing/report/mailing_trace_report_views.xml b/addons/mass_mailing/report/mailing_trace_report_views.xml
index 7996c60bf58..8472251f765 100644
--- a/addons/mass_mailing/report/mailing_trace_report_views.xml
+++ b/addons/mass_mailing/report/mailing_trace_report_views.xml
@@ -4,7 +4,7 @@
             <field name="name">mailing.trace.report.view.pivot</field>
             <field name="model">mailing.trace.report</field>
             <field name="arch" type="xml">
-                <pivot string="Mass Mailing Statistics" disable_linking="True">
+                <pivot string="Mass Mailing Statistics" disable_linking="True" sample="1">
                     <field name="campaign" type="row"/>
                     <field name="sent" type="measure"/>
                     <field name="delivered" type="measure"/>
diff --git a/addons/mass_mailing/views/mailing_contact_views.xml b/addons/mass_mailing/views/mailing_contact_views.xml
index 75929e13529..cdcb91dca6a 100644
--- a/addons/mass_mailing/views/mailing_contact_views.xml
+++ b/addons/mass_mailing/views/mailing_contact_views.xml
@@ -201,7 +201,7 @@
         <field name="model">mailing.contact</field>
         <field name="priority">10</field>
         <field name="arch" type="xml">
-            <pivot string="Mailing List Contacts" stacked="True">
+            <pivot string="Mailing List Contacts" stacked="True" sample="1">
                 <field name="create_date" type="row"/>
             </pivot>
         </field>
diff --git a/addons/membership/report/report_membership_views.xml b/addons/membership/report/report_membership_views.xml
index 78f4c203b27..15f002e8917 100644
--- a/addons/membership/report/report_membership_views.xml
+++ b/addons/membership/report/report_membership_views.xml
@@ -35,7 +35,7 @@
             <field name="name">report.membership.pivot</field>
             <field name="model">report.membership</field>
             <field name="arch" type="xml">
-                <pivot string="Membership" disable_linking="True">
+                <pivot string="Membership" disable_linking="True" sample="1">
                     <field name="membership_id" type="row"/>
                     <field name="start_date" interval="month" type="col"/>
                     <field name="quantity" type="measure"/>
diff --git a/addons/mrp/views/mrp_production_views.xml b/addons/mrp/views/mrp_production_views.xml
index 400dafccf5d..acfba7ab91c 100644
--- a/addons/mrp/views/mrp_production_views.xml
+++ b/addons/mrp/views/mrp_production_views.xml
@@ -437,7 +437,7 @@
             <field name="name">mrp.production.pivot</field>
             <field name="model">mrp.production</field>
             <field name="arch" type="xml">
-                <pivot string="Manufacturing Orders">
+                <pivot string="Manufacturing Orders" sample="1">
                     <field name="date_planned_start" type="row"/>
                 </pivot>
             </field>
diff --git a/addons/mrp/views/mrp_workcenter_views.xml b/addons/mrp/views/mrp_workcenter_views.xml
index 59b4b7cec46..6e97cbaeb76 100644
--- a/addons/mrp/views/mrp_workcenter_views.xml
+++ b/addons/mrp/views/mrp_workcenter_views.xml
@@ -577,7 +577,7 @@
         <field name="name">mrp.workcenter.productivity.pivot</field>
         <field name="model">mrp.workcenter.productivity</field>
         <field name="arch" type="xml">
-            <pivot string="Workcenter Productivity">
+            <pivot string="Workcenter Productivity" sample="1">
                 <field name="date_start" type="row" interval="day"/>
                 <field name="loss_type" type="col"/>
                 <field name="duration" type="measure"/>
diff --git a/addons/mrp/views/mrp_workorder_views.xml b/addons/mrp/views/mrp_workorder_views.xml
index 8e15cbcbb12..f40d259650e 100644
--- a/addons/mrp/views/mrp_workorder_views.xml
+++ b/addons/mrp/views/mrp_workorder_views.xml
@@ -270,7 +270,7 @@
         <field name="name">mrp.production.work.order.pivot</field>
         <field name="model">mrp.workorder</field>
         <field name="arch" type="xml">
-            <pivot string="Operations">
+            <pivot string="Operations" sample="1">
                 <field name="date_start"/>
                 <field name="operation_id"/>
                 <field name="duration" type="measure"/>
@@ -475,7 +475,7 @@
         <field name="name">report.workcenter.load.pivot</field>
         <field name="model">mrp.workorder</field>
         <field name="arch" type="xml">
-            <pivot string="Work Center Loads">
+            <pivot string="Work Center Loads" sample="1">
                 <field name="duration_expected" type="measure"/>
                 <field name="workcenter_id" type="row"/>
                 <field name="production_date" type="row" interval="day"/>
diff --git a/addons/point_of_sale/views/pos_order_report_view.xml b/addons/point_of_sale/views/pos_order_report_view.xml
index af4f5a69db8..14a78447c5b 100644
--- a/addons/point_of_sale/views/pos_order_report_view.xml
+++ b/addons/point_of_sale/views/pos_order_report_view.xml
@@ -4,7 +4,7 @@
             <field name="name">report.pos.order.pivot</field>
             <field name="model">report.pos.order</field>
             <field name="arch" type="xml">
-                <pivot string="Point of Sale Analysis" disable_linking="True">
+                <pivot string="Point of Sale Analysis" disable_linking="True" sample="1">
                     <field name="product_categ_id" type="row"/>
                     <field name="date" interval="month" type="col"/>
                     <field name="order_id" type="measure"/>
diff --git a/addons/point_of_sale/views/pos_order_view.xml b/addons/point_of_sale/views/pos_order_view.xml
index 7655694f9cc..2ac3b9c17c5 100644
--- a/addons/point_of_sale/views/pos_order_view.xml
+++ b/addons/point_of_sale/views/pos_order_view.xml
@@ -183,7 +183,7 @@
         <field name="name">pos.order.pivot</field>
         <field name="model">pos.order</field>
         <field name="arch" type="xml">
-            <pivot string="PoS Orders">
+            <pivot string="PoS Orders" sample="1">
                 <field name="date_order" type="row"/>
                 <field name="amount_total" type="measure"/>
             </pivot>
diff --git a/addons/project/report/project_report_views.xml b/addons/project/report/project_report_views.xml
index 3cc6818d0e1..7e5e0520e23 100644
--- a/addons/project/report/project_report_views.xml
+++ b/addons/project/report/project_report_views.xml
@@ -5,7 +5,7 @@
             <field name="name">report.project.task.user.pivot</field>
             <field name="model">report.project.task.user</field>
             <field name="arch" type="xml">
-                <pivot string="Tasks Analysis" display_quantity="true" disable_linking="True">
+                <pivot string="Tasks Analysis" display_quantity="true" disable_linking="True" sample="1">
                     <field name="project_id" type="row"/>
                 </pivot>
             </field>
diff --git a/addons/project/views/project_views.xml b/addons/project/views/project_views.xml
index 9c23ab71bc8..633d3704290 100644
--- a/addons/project/views/project_views.xml
+++ b/addons/project/views/project_views.xml
@@ -955,7 +955,7 @@
             <field name="name">project.task.pivot</field>
             <field name="model">project.task</field>
             <field name="arch" type="xml">
-                <pivot string="Project Tasks">
+                <pivot string="Project Tasks" sample="1">
                     <field name="project_id" type="row"/>
                     <field name="stage_id" type="col"/>
                     <field name="color" invisible="1"/>
diff --git a/addons/purchase/report/purchase_report_views.xml b/addons/purchase/report/purchase_report_views.xml
index 8b0b39defb0..e03d2c7ee15 100644
--- a/addons/purchase/report/purchase_report_views.xml
+++ b/addons/purchase/report/purchase_report_views.xml
@@ -4,7 +4,7 @@
             <field name="name">product.month.pivot</field>
             <field name="model">purchase.report</field>
             <field name="arch" type="xml">
-                <pivot string="Purchase Analysis" disable_linking="True" display_quantity="true">
+                <pivot string="Purchase Analysis" disable_linking="True" display_quantity="true" sample="1">
                     <field name="category_id" type="row"/>
                     <field name="order_id" type="measure"/>
                     <field name="untaxed_total" type="measure"/>
diff --git a/addons/purchase/views/purchase_views.xml b/addons/purchase/views/purchase_views.xml
index a1bede8765b..46689223a91 100644
--- a/addons/purchase/views/purchase_views.xml
+++ b/addons/purchase/views/purchase_views.xml
@@ -111,7 +111,7 @@
             <field name="name">purchase.order.pivot</field>
             <field name="model">purchase.order</field>
             <field name="arch" type="xml">
-                <pivot string="Purchase Order" display_quantity="True">
+                <pivot string="Purchase Order" display_quantity="True" sample="1">
                     <field name="partner_id" type="row"/>
                     <field name="amount_total" type="measure"/>
                 </pivot>
diff --git a/addons/rating/views/rating_rating_views.xml b/addons/rating/views/rating_rating_views.xml
index 07dddb12892..77f3406ec44 100644
--- a/addons/rating/views/rating_rating_views.xml
+++ b/addons/rating/views/rating_rating_views.xml
@@ -103,7 +103,7 @@
             <field name="name">rating.rating.pivot</field>
             <field name="model">rating.rating</field>
             <field name="arch" type="xml">
-                <pivot string="Rating Average" display_quantity="true">
+                <pivot string="Rating Average" display_quantity="true" sample="1">
                     <field name="rated_partner_id" type="row"/>
                     <field name="create_date" type="col"/>
                     <field name="rating" type="measure"/>
diff --git a/addons/repair/views/repair_views.xml b/addons/repair/views/repair_views.xml
index cba40fddd3f..c39ecb0ff55 100644
--- a/addons/repair/views/repair_views.xml
+++ b/addons/repair/views/repair_views.xml
@@ -296,7 +296,7 @@
         <field name="name">repair.pivot</field>
         <field name="model">repair.order</field>
         <field name="arch" type="xml">
-            <pivot string="Repair Orders">
+            <pivot string="Repair Orders" sample="1">
                 <field name="create_date" type="row"/>
                 <field name="product_id" type="col"/>
             </pivot>
diff --git a/addons/sale/report/sale_report_views.xml b/addons/sale/report/sale_report_views.xml
index e9cb8902927..88f39ad8bb4 100644
--- a/addons/sale/report/sale_report_views.xml
+++ b/addons/sale/report/sale_report_views.xml
@@ -5,7 +5,7 @@
          <field name="name">sale.report.pivot</field>
          <field name="model">sale.report</field>
          <field name="arch" type="xml">
-             <pivot string="Sales Analysis" disable_linking="True">
+             <pivot string="Sales Analysis" disable_linking="True" sample="1">
                  <field name="team_id" type="col"/>
                  <field name="date" interval="month" type="row"/>
                  <field name="price_subtotal" type="measure"/>
diff --git a/addons/sale/views/sale_views.xml b/addons/sale/views/sale_views.xml
index f5d19126834..d8b338914a0 100644
--- a/addons/sale/views/sale_views.xml
+++ b/addons/sale/views/sale_views.xml
@@ -144,7 +144,7 @@
             <field name="name">sale.order.pivot</field>
             <field name="model">sale.order</field>
             <field name="arch" type="xml">
-                <pivot string="Sales Orders">
+                <pivot string="Sales Orders" sample="1">
                     <field name="date_order" type="row"/>
                     <field name="amount_total" type="measure"/>
                 </pivot>
diff --git a/addons/sale_timesheet/report/project_profitability_report_analysis_views.xml b/addons/sale_timesheet/report/project_profitability_report_analysis_views.xml
index 2f28170dabb..ae8eb2b6ced 100644
--- a/addons/sale_timesheet/report/project_profitability_report_analysis_views.xml
+++ b/addons/sale_timesheet/report/project_profitability_report_analysis_views.xml
@@ -5,7 +5,7 @@
         <field name="name">project.profitability.report.pivot</field>
         <field name="model">project.profitability.report</field>
         <field name="arch" type="xml">
-            <pivot string="Profitability Analysis" display_quantity="true" disable_linking="True">
+            <pivot string="Profitability Analysis" display_quantity="true" disable_linking="True" sample="1">
                 <field name="project_id" type="row"/>
                 <field name="amount_untaxed_to_invoice" type="measure"/>
                 <field name="amount_untaxed_invoiced" type="measure"/>
diff --git a/addons/sale_timesheet/views/hr_timesheet_views.xml b/addons/sale_timesheet/views/hr_timesheet_views.xml
index b0de9fe0ff8..b73298bcde2 100644
--- a/addons/sale_timesheet/views/hr_timesheet_views.xml
+++ b/addons/sale_timesheet/views/hr_timesheet_views.xml
@@ -25,7 +25,7 @@
         <field name="name">account.analytic.line.pivot.revenue</field>
         <field name="model">account.analytic.line</field>
         <field name="arch" type="xml">
-            <pivot string="Timesheet">
+            <pivot string="Timesheet" sample="1">
                 <field name="employee_id" type="row"/>
                 <field name="date" interval="month" type="col"/>
                 <field name="unit_amount" type="measure"/>
@@ -75,7 +75,7 @@
         <field name="name">account.analytic.line.pivot.billing.rate</field>
         <field name="model">account.analytic.line</field>
         <field name="arch" type="xml">
-            <pivot string="Timesheet">
+            <pivot string="Timesheet" sample="1">
                 <field name="timesheet_invoice_type" type="col"/>
                 <field name="unit_amount" type="measure" widget="timesheet_uom"/>
                 <field name="amount" string="Timesheet Costs"/>
diff --git a/addons/stock/views/stock_move_views.xml b/addons/stock/views/stock_move_views.xml
index 2681077b281..138f02a6b98 100644
--- a/addons/stock/views/stock_move_views.xml
+++ b/addons/stock/views/stock_move_views.xml
@@ -5,7 +5,7 @@
             <field name="name">stock.move.pivot</field>
             <field name="model">stock.move</field>
             <field name="arch" type="xml">
-                <pivot string="Stock Moves Analysis">
+                <pivot string="Stock Moves Analysis" sample="1">
                     <field name="product_id" type="row"/>
                     <field name="location_dest_id" groups="stock.group_stock_multi_locations" type="row"/>
                     <field name="product_uom_qty" type="measure"/>
diff --git a/addons/stock/views/stock_quant_views.xml b/addons/stock/views/stock_quant_views.xml
index 613f506e08e..10a674cdde6 100644
--- a/addons/stock/views/stock_quant_views.xml
+++ b/addons/stock/views/stock_quant_views.xml
@@ -137,7 +137,7 @@
         <field name="name">stock.quant.pivot</field>
         <field name="model">stock.quant</field>
         <field name="arch" type="xml">
-            <pivot string="Inventory">
+            <pivot string="Inventory" sample="1">
                 <field name="product_id" type="row"/>
                 <field name="location_id" type="col"/>
                 <field name="quantity" type="measure"/>
diff --git a/addons/website_event_questions/views/event_registration_answer_views.xml b/addons/website_event_questions/views/event_registration_answer_views.xml
index 837f01c4c6c..d5cd93c2b06 100644
--- a/addons/website_event_questions/views/event_registration_answer_views.xml
+++ b/addons/website_event_questions/views/event_registration_answer_views.xml
@@ -40,7 +40,7 @@
         <field name="name">event.registration.answer.view.pivot</field>
         <field name="model">event.registration.answer</field>
         <field name="arch" type="xml">
-            <pivot string="Answer Breakdown">
+            <pivot string="Answer Breakdown" sample="1">
                 <field name="registration_id" type="row"/>
                 <field name="value_answer_id" type="col"/>
             </pivot>
diff --git a/addons/website_sale/views/sale_report_views.xml b/addons/website_sale/views/sale_report_views.xml
index 6609bf5c697..af889558ea1 100644
--- a/addons/website_sale/views/sale_report_views.xml
+++ b/addons/website_sale/views/sale_report_views.xml
@@ -32,7 +32,7 @@
         <field name="name">sale.report.view.pivot.website</field>
         <field name="model">sale.report</field>
         <field name="arch" type="xml">
-            <pivot string="Sales Report" disable_linking="True">
+            <pivot string="Sales Report" disable_linking="True" sample="1">
                 <field name="date" type="row"/>
                 <field name="state" type="col"/>
                 <field name="price_subtotal" type="measure"/>
diff --git a/addons/website_slides/views/rating_rating_views.xml b/addons/website_slides/views/rating_rating_views.xml
index 2aad92448af..0b003bea7d9 100644
--- a/addons/website_slides/views/rating_rating_views.xml
+++ b/addons/website_slides/views/rating_rating_views.xml
@@ -91,7 +91,7 @@
         <field name="model">rating.rating</field>
         <field name="priority">20</field>
         <field name="arch" type="xml">
-            <pivot>
+            <pivot sample="1">
                 <field name="res_name" type="row"/>
                 <field name="rating_text" type="col"/>
                 <field name="rating" type="measure"/>
diff --git a/addons/website_slides/views/slide_slide_views.xml b/addons/website_slides/views/slide_slide_views.xml
index 421bd538b95..102a0cc3c3c 100644
--- a/addons/website_slides/views/slide_slide_views.xml
+++ b/addons/website_slides/views/slide_slide_views.xml
@@ -290,7 +290,7 @@
             <field name="name">slide.slide.view.pivot</field>
             <field name="model">slide.slide</field>
             <field name="arch" type="xml">
-                <pivot>
+                <pivot sample="1">
                     <field name="channel_id" type="row"/>
                     <field name="total_views" type="measure"/>
                 </pivot>