SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function ignore (children 1)
     ExpressionList (children 1)
      Function dotProduct (children 1)
       ExpressionList (children 2)
        Function materialize (children 1)
         ExpressionList (children 1)
          Literal Array_[UInt64_9223372036854775807, UInt64_1]
        Function materialize (children 1)
         ExpressionList (children 1)
          Literal Array_[Int64_-3, UInt64_1]
