public function addFieldsMapping(\Magento\Sales\Model\ResourceModel\Order\Grid\Collection $collection)
 {
     // total
     $fieldAlias = self::AS_FLD_PV_TOTAL;
     $fieldFullName = self::AS_TBL_PV_SALES . '.' . Sale::ATTR_TOTAL;
     $collection->addFilterToMap($fieldAlias, $fieldFullName);
     // discount
     $fieldAlias = self::AS_FLD_PV_DISCOUNT;
     $fieldFullName = self::AS_TBL_PV_SALES . '.' . Sale::ATTR_DISCOUNT;
     $collection->addFilterToMap($fieldAlias, $fieldFullName);
     // subtotal
     $fieldAlias = self::AS_FLD_PV_SUBTOTAL;
     $fieldFullName = self::AS_TBL_PV_SALES . '.' . Sale::ATTR_SUBTOTAL;
     $collection->addFilterToMap($fieldAlias, $fieldFullName);
 }
 public function addFieldsMapping(\Magento\Sales\Model\ResourceModel\Order\Grid\Collection $collection)
 {
     // is_in_odoo
     $fieldAlias = self::AS_FLD_IS_IN_ODOO;
     $fieldFullName = self::AS_TBL_ODOO_SALE . '.' . SaleOrder::ATTR_MAGE_REF;
     $collection->addFilterToMap($fieldAlias, $fieldFullName);
 }