SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function plus (children 1)
     ExpressionList (children 2)
      Function plus (children 1)
       ExpressionList (children 2)
        Function plus (children 1)
         ExpressionList (children 2)
          Function toDateTime (children 1)
           ExpressionList (children 1)
            Literal \'2017-10-30 08:18:19\'
          Function toIntervalHour (children 1)
           ExpressionList (children 1)
            Literal UInt64_1
        Function toIntervalMinute (children 1)
         ExpressionList (children 1)
          Literal UInt64_1000
      Function toIntervalSecond (children 1)
       ExpressionList (children 1)
        Literal UInt64_10