SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function round (children 1)
     ExpressionList (children 2)
      Function geoToH3 (children 1)
       ExpressionList (children 3)
        Function toFloat64 (children 1)
         ExpressionList (children 1)
          Literal UInt64_1
        Function toFloat64 (children 1)
         ExpressionList (children 1)
          Literal UInt64_0
        Function arrayJoin (children 1)
         ExpressionList (children 1)
          Literal Array_[UInt64_1, UInt64_2]
      Literal UInt64_2