SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function toStartOfInterval (children 1)
     ExpressionList (children 3)
      Function toDate32 (children 1)
       ExpressionList (children 1)
        Literal \'2023-01-02 14:45:50\'
      Function toIntervalHour (children 1)
       ExpressionList (children 1)
        Literal UInt64_5
      Function toDate (children 1)
       ExpressionList (children 1)
        Literal \'2023-01-02 14:44:30\'
