post_reference_sum_order_by
order by sum() on columns of table "post_reference"
input post_reference_sum_order_by {
  position_index: order_by
  reference_id: order_by
}
order by sum() on columns of table "post_reference"
input post_reference_sum_order_by {
  position_index: order_by
  reference_id: order_by
}
position_index (order_by)reference_id (order_by)