SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 3)
    Function toUnixTimestamp (alias tt) (children 1)
     ExpressionList (children 1)
      Identifier x
    Function plus (alias x) (children 1)
     ExpressionList (children 2)
      Function toDateTime (children 1)
       ExpressionList (children 2)
        Literal \'2019-04-07 01:00:00\'
        Literal \'Australia/Lord_Howe\'
      Function toIntervalSecond (children 1)
       ExpressionList (children 1)
        Function multiply (children 1)
         ExpressionList (children 2)
          Identifier number
          Literal UInt64_600
    Function toString (alias xx) (children 1)
     ExpressionList (children 1)
      Identifier x
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function numbers (children 1)
       ExpressionList (children 1)
        Literal UInt64_20