IT30851: CDR CHECK --WHERE CLAUSE ON REPLICATION KEY COLUMNS RULES OUT REPLCHECK INDEX SCAN EVEN IF IT COULD BE USED

APAR status

• Closed as program error.

Error description

• Currently, whenever 'cdr check' is ran with '--where
  <condition>' option, that unconditionally would be ruling out
  use of REPLCHECK (ifx_replcheck) and any index containing it,
  and instead would revert to sequetial data scan and calculating
  checksums.
  
  This should not be the case when both of the following are true:
   - there's an index available comprised of primary key (or the
  unique index chosen through
      --key <cols> or --anyUniqueKey options) and ifx_replcheck
  column
   - the --where <condition> is on leading columns in this index,
  e.g. on the primary key
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED:                                              *
  * Users of Informix Server prior to 14.10.xC4.                 *
  ****************************************************************
  * PROBLEM DESCRIPTION:                                         *
  * See Error Description                                        *
  ****************************************************************
  * RECOMMENDATION:                                              *
  * Update to Informix Server 14.10.xC4.                         *
  ****************************************************************
  

Problem conclusion

• Fixed in Informix Server 14.10.xC4.
  

Temporary fix

Comments

APAR Information

• APAR is sysrouted FROM one or more of the following:

• APAR is sysrouted TO one or more of the following:

Fix information

• Fixed component name

  INFORMIX SERVER

• Fixed component ID

  5725A3900

Applicable component levels