order_item_id
, order_id, buyer_id, store_id, product_id, item_id,
item_name, category_id, spec_id, spec_info, item_unit_price, item_unit_points, item_unit_sp,
order_item_unit_price,
item_platform_price, item_cost_price, order_item_quantity, order_item_inventory_lock, order_item_image,
order_item_return_num, order_item_return_subtotal, order_item_return_agree_amount, order_item_amount,
order_item_discount_amount, order_item_adjust_fee, order_item_points_fee, order_item_payment_amount,
order_item_evaluation_status, activity_type_id, activity_id, order_item_commission_rate,
order_item_commission_fee,
order_item_commission_fee_refund, policy_discountrate, item_voucher, order_item_note, order_item_file,
order_item_confirm_file, order_item_confirm_status, design_file_images, order_item_saler_id, item_src_id,
order_item_supplier_sync, src_order_id