SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function addDays (children 1)
     ExpressionList (children 2)
      Function toDateTime (children 1)
       ExpressionList (children 2)
        Literal \'2020-01-01 00:00:00\'
        Literal \'GMT\'
      Literal UInt64_9223372036854775807