SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Function toDateTime (alias date_time) (children 1)
     ExpressionList (children 1)
      Literal \'2020-06-16 03:00:00\'
   ExpressionList (children 1)
    Identifier date_time
   ExpressionList (children 1)
    OrderByElement (children 4)
     Identifier date_time
     Function toDateTime (children 1)
      ExpressionList (children 1)
       Literal \'2020-06-16 00:00:00\'
     Function toDateTime (children 1)
      ExpressionList (children 1)
       Literal \'2020-06-16 10:00:00\'
     Literal UInt64_1800