repair with exclude or include results in “error : repair does not support table without key after applying include/exclude option” (4299827)

When running a repair with “exclude” or “include” option when the table has no key, the repair errors out:

sp_ctrl (alvsupu15:5438)> repair sha90.table2 exclude "char_col"

  repairing 1 of 1 objects

  repair started; job id 1

sp_ctrl (alvsupu15:5438)> job status

Job ID    : 1

PID       : 12988

Host      : alvsupu15

Started   : 11-JUL-17 19:21:44

Job Type  : Repair

Status    : Done - errors - 1 object completed

ID     Tablename                            Status     Time       Total Rows %Ce

------ ------------------------------------ ---------- ---------- ---------- ---

1      "SHA90"."TABLE2"                     Error             N/A        N/A   0

 The following error messages are observed in compare server log (*desvr* log):

desvr    2017-07-11 19:21:47.353305 12988 2 [1] Error: key columns are missing

desvr    2017-07-11 19:21:47.353311 12988 2 [1] Error: repair does not support table without key after applying include/exclude option

desvr    2017-07-11 19:21:47.353363 12988 2 [1] Error occurred.

desvr    2017-07-11 19:21:47.357235 12988 2 [1] DEBUG:schema=SHA90, table name=TABLE2, column_count=2 (de_table_list_table_info,L2336)