SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Function transform (children 1)
     ExpressionList (children 4)
      Identifier number
      Function array (children 1)
       ExpressionList
      Function array (children 1)
       ExpressionList
      Function concat (children 1)
       ExpressionList (children 2)
        Literal \'Hello \'
        Function CAST (children 1)
         ExpressionList (children 2)
          Identifier number
          Literal \'String\'
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function numbers (children 1)
       ExpressionList (children 1)
        Literal UInt64_10
