SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function multiply (children 1)
     ExpressionList (children 2)
      Function array (children 1)
       ExpressionList (children 2)
        Literal Tuple_(Float64_1, Float64_100000000000000000000)
        Literal Tuple_(NULL, UInt64_1048577)
      Literal UInt64_7
