SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 3)
    Function plus (alias src) (children 1)
     ExpressionList (children 2)
      Function toDateTime (children 1)
       ExpressionList (children 2)
        Literal \'2020-10-04 00:00:00\'
        Literal \'Australia/Lord_Howe\'
      Function toIntervalMinute (children 1)
       ExpressionList (children 1)
        Function multiply (children 1)
         ExpressionList (children 2)
          Literal UInt64_15
          Identifier number
    Function toStartOfInterval (alias rounded) (children 1)
     ExpressionList (children 2)
      Identifier src
      Function toIntervalHour (children 1)
       ExpressionList (children 1)
        Literal UInt64_2
    Function toUnixTimestamp (alias t) (children 1)
     ExpressionList (children 1)
      Identifier src
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function numbers (children 1)
       ExpressionList (children 1)
        Literal UInt64_20
