SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Function geoToH3 (alias h3Index) (children 1)
     ExpressionList (children 3)
      Identifier longitude
      Identifier latitude
      Function toUInt8 (children 1)
       ExpressionList (children 1)
        Literal UInt64_8
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier data_table
   ExpressionList (children 1)
    OrderByElement (children 1)
     Literal UInt64_1