IC95990: DIFFERENT QUERY PLAN AND QUERY RESULT FOR A QUERY ON 11.70.XC7 AND 12.10.XC1 AND HIGHER

APAR status

• Closed as program error.

Error description

• A query on 11.70.xC7 and 12.10.xC1 and higher will produce a
  different query plan as well as return a different number of
  rows.
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED:                                              *
  * Users of 12.10.xC1 and 12.10.xC2.                            *
  ****************************************************************
  * PROBLEM DESCRIPTION:                                         *
  * An ANSI OUTER JOIN query may return incorrect results under  *
  * the following conditions:                                    *
  *  - hash join is used to perform an outer join                *
  *  - a predicate exists in the WHERE clause that references    *
  * both tables involved in the hash join (e.g., an OR clause)   *
  ****************************************************************
  * RECOMMENDATION:                                              *
  * Update to IDS-12.10.xC3                                      *
  ****************************************************************
  

Problem conclusion

• Problem Fixed In IDS-12.10.xC3
  

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

• RC10 PSN

     UP