SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function toString (children 1)
     ExpressionList (children 2)
      Function toStartOfInterval (children 1)
       ExpressionList (children 3)
        Function toDateTime (children 1)
         ExpressionList (children 1)
          Literal UInt64_1549483055
        Function toIntervalHour (children 1)
         ExpressionList (children 1)
          Literal UInt64_2
        Literal \'Asia/Istanbul\'
      Literal \'Asia/Istanbul\'