SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function dotProduct (children 1)
     ExpressionList (children 2)
      Function materialize (children 1)
       ExpressionList (children 1)
        Literal Tuple_(Int64_-1, UInt64_2, Float64_3.002)
      Function materialize (children 1)
       ExpressionList (children 1)
        Literal Tuple_(UInt64_2, Float64_3.4, UInt64_4)
