SelectWithUnionQuery (children 2)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 2)
    Function concat (alias x) (children 1)
     ExpressionList (children 5)
      Literal \'Hello\'
      Function convertCharset (children 1)
       ExpressionList (children 3)
        Function unhex (children 1)
         ExpressionList (children 1)
          Literal \'2028\'
        Literal \'utf16be\'
        Literal \'utf8\'
      Literal \'World\'
      Function convertCharset (children 1)
       ExpressionList (children 3)
        Function unhex (children 1)
         ExpressionList (children 1)
          Literal \'2029\'
        Literal \'utf16be\'
        Literal \'utf8\'
      Literal \'!\'
    Function hex (alias h) (children 1)
     ExpressionList (children 1)
      Identifier x
 Identifier JSONEachRow
