DB2 FOR LUW / DB2FORLUW / B10 - DB2

QUERIES USING THE SAME UNNEST IN DIFFERENT PARTS OF THE PLAN 
COULD RETURN WRONG RESULTS FOR SOME COLUMNS 
 
example of the query is below and UNNEST(accounts_in) will be 
referenced in two different lolepops in the plan. 
 
with TAB1 as ( select T.id , T.ACCT from UNNEST(accounts_in) 
WITH ORDINALITY as T(ACCT, id) ) , 
       TAB2 as ( select distinct ACCT AS DACCT from TAB1 ) 
 
select * from TAB1 LEFT OUTER JOIN TAB2 ON TAB1.ACCT = 
TAB2.DACCT 
 
One of the columns (ACCT or DACCT) could return a wrong value.

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* USERS AFFECTED:                                              * 
* ALL                                                          * 
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* PROBLEM DESCRIPTION:                                         * 
* See Error Description                                        * 
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* RECOMMENDATION:                                              * 
* Upgrade to Db2 11.1 Fixpack 3 Mod 2 or higher                * 
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N/A

First fixed in Db2 11.1 Fixpack 3 Mod 2

not known / see Local fix

Date  - problem reported    :
Date  - problem closed      :
Date  - last modified       :

10.04.2018
07.08.2018
07.08.2018