SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Function toStartOfMinute (alias ts) (children 1)
     ExpressionList (children 1)
      Identifier some_time
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 1)
          ExpressionList (children 1)
           Function toDateTime (alias some_time) (children 1)
            ExpressionList (children 1)
             Literal \'2021-07-07 15:21:05\'
   ExpressionList (children 1)
    OrderByElement (children 4)
     Identifier ts
     Function toDateTime (children 1)
      ExpressionList (children 1)
       Literal \'2021-07-07 15:21:00\'
     Function toDateTime (children 1)
      ExpressionList (children 1)
       Literal \'2021-07-07 15:21:15\'
     Literal UInt64_5
