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
      Literal \'Hello\'
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function numbers (children 1)
       ExpressionList (children 1)
        Literal UInt64_10
