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MF66023 - LIC-DB-OTHER-INCORROUT Possible data corruption with MIN/MAX

PTF ( Program Temporary Fixes ) Cover letter


Order this fix

Abstract

LIC-DB-OTHER-INCORROUT Possible data corruption with MIN/MAX


Pre/Co-Requisite PTF / Fix List

REQ  LICENSED           PTF/FIX  LEVEL

TYPE PROGRAM  RELEASE   NUMBER   MIN/MAX  OPTION
---- -------- --------- -------  -------  ------
PRE  5770999  V7R3M0    MF64485   00/00    0000
PRE  5770999  V7R3M0    MF62600   00/00    0000
CO   5770999  V7R3M0    MF65717   00/00    0000
CO   5770999  V7R3M0    MF65670   00/00    0000
CO   5770999  V7R3M0    MF65603   00/00    0000
CO   5770999  V7R3M0    MF65516   00/00    0000
CO   5770999  V7R3M0    MF65517   00/00    0000
CO   5770999  V7R3M0    MF65488   00/00    0000
CO   5770999  V7R3M0    MF65370   00/00    0000
CO   5770999  V7R3M0    MF65270   00/00    0000
CO   5770999  V7R3M0    MF65143   00/00    0000
CO   5770999  V7R3M0    MF63758   00/00    0000
CO   5770999  V7R3M0    MF63468   00/00    0000
CO   5770999  V7R3M0    MF61339   00/00    0000
DIST 5770SS1  V7R3M0    SI59580   00/00    0000



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REGARDING THE PTF.





APAR Error Description / Circumvention

-----------------------------------------------
When the following conditions are all met, a query may cause
data corruption:
Running at repeatable read or higher isolation level (*ALL or
*RR);
Specifying grouping;
Including a min() or max() aggregate function over a large
object (LOB) column of a partitioned table.
As the query runs, it may corrupt data in the partitioned table.

CORRECTION FOR APAR MA47640 :
-----------------------------
An inconsistency in how partitioned table columns are handled
caused the optimizer to incorrectly implement a performance
improvement for LOB data. This fix corrects the inconsistency to
ensure that data is not corrupted.

CIRCUMVENTION FOR APAR MA47640 :
--------------------------------
None.


Activation Instructions


None.




Special Instructions


None.


Default Instructions

THIS PTF CAN BE APPLIED IMMEDIATE OR DELAYED.



Supersedes

PTF/FIX NO(S).  APAR TITLE LINE
--------------  ------------------------------------------------------------
   MF65716      OSP-DB-OTHER-PERFM PERFORMANCE IMPROVEMENT TO QDS IO COSTING
   MF65671      OSP-DB-OTHER-F/DBPMTRAP-T/QDBGETMQO-MSGMCH3203 MSGMCH3203 F/
   MF65602      OSP-INCORROUT GETTING NULL BACK FROM THE COALESCE/REGEXP_REP
   MF65547      OSP-DB-OTHER-F/DBOPACCESSPLANINDEXRANDOMIOX/5108-MSGMCH3601
   MF65521      SQL-RUN COMPLEX SQL QUERY FAILS INTERMITTENTLY
   MF65515      LIC-DB-OTHER Internal maintenance
   MF65487      LIC-DB-INCORROUT Recursive Query
   MF65441      OSP-MSGCPF4204 INTERNAL QUERY FAILURE RELATED TO LOOK-AHEAD
   MF65434      OSP-DB-OTHER-F/DBPMHASH-T/QDBGETMQO-MSGMCH3402 DRDA APPLICAT
   MF65421      OSP-OTHER-PERFM QUERY IS BEING RE-OPTIMIZED UNNECESSARILY
   MF65409      LIC-DB-OTHER change to Visual Explain for Workload Group
   MF65369      LIC-DB-OTHER Internal Database Maintenance.
   MF65352      OSP-DB-OTHER THE SYSTEM IS CREATING DUPLICATE MTI'S (TEMPORA
   MF65299      LIC-DB-OTHER-F/DBOPEXPRVALMISC-T/QQQOOODBOP-MSGMCH3203 RCAC
   MF65298      Corrects LIMIT/OFFSET precedence for prepared attributes.
   MF65266      LIC-DB-OTHER-PERFM SQL OPTIMIZATION TIME PERFORMANCE ISSUE W
   MF65223      DATAPARTITIONNUM update lock fence and constant fixes.
   MF65225      OSP-LOOP OPNQRYF WITH MANY WITH MANY LOGICAL XORS (&&) CAN R
   MF65216      LIC-DB-OTHER-PERFM COMPLEX CONNECT BY QUERY RUNS POORLY AFTE
   MF65202      OSP-DB-OTHER-PERFM GATE CONTENTION ON HEAP ALLOCATIONS DURIN
   MF65183      OSP-DB-OTHER-PERFM INTERMITTENT POOR QUERY PLANS FOR INSERT
   MF65144      LIC-DB-OTHER Allow duplicate keys in JSON_OBJECT and JSON_OB
   MF65089      LIC-DB-MSGMCH3203 Affinity Error on complex query
   MF65071      OSP-DB-OTHER-INCORROUT UDTF - 'NO EXTERNAL ACTION'
   MF65041      OSP-PAR-940XMISC PLANS THAT MAY BE IN USE FROM JOBS IN ONE P
   MF65024      LIC-DB-PERFM Poor query performance due to plan choice
   MF64970      OSP-DB-OTHER-F/DBPMTRAP-T/QDBGETM-RC1720-MSGMCH3203 MSGMCH32
   MF64958      OSP-DB-OTHER-INCORROUT A RPG CHAIN MAY NOT FIND CORRECT VALU
   MF64926      LIC-DB-OTHER-PERF COMPLEX OLAP QUERY CONSUMES EXCESSIVE SEGM
   MF64895      OSP-DB-OTHER-F/DBOPAFFINITY-T/QQQOOODBOP-MSGMCH3203 A MSGMCH
   MF64877      LIC-DB-OTHER-INCORROUT UDTF - 'NO EXTERNAL ACTION' with LOB
   MF64846      OSP-OTHER-PERFM QUERY OPTIMIZATION TIME
   MF64812      LIC-DB-OTHER-F/HMDERIVEDHEAP-T/QQQOOODBOP-RCX/5094-MSGMCH320
   MF64766      LIC-DB-OTHER Internal Maintenance
   MF64740      PERFM-HLIC-94XXBASE NON OPTIMAL JOIN ORDER SELECTED DUE TO I
   MF64721      LIC-DB-OTHER-PERFM CACHED STRATEGIES WITH QDSPOPULATES USED
   MF64666      OSP-DB-OTHER-F/DBPMTRAP-T/QDBGETMQO-MSGMCH3203 RUNNING AN SQ
   MF64588      LIC-DB-OTHER-PERFM QUERY PERFORMANCE WITH PARTITIONED TABLE
   MF64543      LIC-DB-OTHER-PERF POOR PERFORMING SQL USING SMP
   MF64532      LIC-DB-OTHER Internal Database Maintenance.
   MF64526      LIC-DB-OTHER-PERFM SYNCHRONIZE MTI ACCESS IN AN TRACING OR E
   MF64511      OSP-OTHER-PERFM QUERY PERFORMS POORLY WHEN SKEWED DATA IS PR
   MF64511      OSP-OTHER-PERFM QUERY PERFORMS POORLY WHEN SKEWED DATA IS PR
   MF64406      OSP-DB-OTHER-F/QSQRUN3X/32832-T/SAME-MSGSQ20478 UPDATE ON A
   MF64405      OSP-F/DBPMTRAP-T/QQQOOODBOP-RC1720-MSGMCH3203 MCH3203 F/DBPM
   MF64405      OSP-DB-OTHER-F/DBOPAFFINITY-T/QQQOOODBOP-MSGMCH3203 SQL0901
   MF63435      LIC-DB-OTHER-PERFM Optimization time improvements for comple
   MF64348      LIC-DB-MSGMCH3203 F/T DbpmTrap/QDBGETM vlog
   MF64343      LIC-DB-OTHER Query with grouping sets and table function fai
   MF64292      LIC-DB-F/QQQOOODBOP-MSGCPF427F-MOD/QQQOOOINV CPF427F, SQL066
   MF64282      OSP-DB-OTHER-SAP400-THREADS-INCORROUT SELECT STMT WITH '=' ,
   MF64243      F/OPTIMIZER-UDFINCORROUTAFTERCLEARINGPLANCACHE UDF INCORRECT
   MF64226      OSP-OTHER PERFORMANCE OF A USER DEFINED FUNCTION (UDF)
   MF64141      LIC-DB-OTHER Internal Database Maintenance.
   MF64067      LIC-DB-OTHER Internal Database Maintenance.
   MF64013      LIC-DB Internal Maintenance
   MF64008      LIC-DB-OTHER Internal Database Maintenance.
   MF62513      OSP-DB-OTHER-T/QQQOOODBOPX/4720-MSGMCH3203 A LEFT OUTER JOIN
   MF62513      OSP-DB-OTHER-T/QQQOOODBOPX/4720-MSGMCH3203 A LEFT OUTER JOIN
   MF63978      LIC-DB-OTHER Potential incorrect output with EVI only access
   MF63976      LIC-DB-INCORROUT MTI with LOB column
   MF63944      LIC-DB-PERFM reorder predicates based on selectivity
   MF63944      LIC-DB-PERFM reduce data copies for SQL query
   MF62773      LIC-DB Query fails over table with an EVI with INCLUDE and w
   MF63899      LIC-DB Internal Maintenance
   MF63844      LIC-DB_OTHER Support displaying more than 1TB in Visual Expl
   MF63837      OSP-DB-OTHER-F/DBOPAFFINITY-T/QQQOOODBOP-MSGMCH3203 UNION
   MF63761      LIC-DB-PERFM Database Monitor 3010 record
   MF63746      OSP-DB-OTHER-F/DBPMTRAP-MSGMCH3203 QRYDFN FAILS W/ MCH3203 F
   MF63713      OSP-UNPRED QUERY ESTIMATED RUNTIME WITH XMLELEMENT FIELD SEL
   MF63629      LIC-DB-OTHER Database temporary storage usage increases
   MF63603      LIC-DB Internal Maintenance
   MF63582      LIC-DB-OTHER-PERFM COMPLEX QUERY IS BEING RE-OPTIMIZED UNEXP
   MF63548      LIC-DB-OTHER Internal Database Maintenance.
   MF63513      OSP-DB-OTHER-F/DBOPRELTABLEMISC-T/QQQOOODBOPX/5000 SELECT ST
   MF63470      LIC-DB-PERFM SMP and OLAP windowing Expressions
   MF63469      SLIC-DB-OTHER Internal Maintenance
   MF63452      LIC-DB-PERFM FETCH FIRST ROW query over partitioned table ru
   MF63451      LIC-DB-OTHER-PERFM Queries over partition tables with a non-
   MF63419      OSP-PAR-940XBASE HASH TABLE POPULATION IO COSTS ARE TOO LOW.
   MF63378      LIC-DB-OTHER MCH3203 F/T DbopAffinity/QQQOOODBOP complex OR
   MF63328      OSP-DB-OTHER-F/DBOPAFFINITY-T/QQQOOODBOP-MSGMCH3203 RUNNING
   MF63299      LIC-DB Internal Maintenance
   MF63280      LIC-DB-OTHER-PERM Improve query performance by removing extr
   MF63212      LIC-DB-OTHER Internal maintenance.
   MF63166      OSP-OTHER-PERFM OPNQRYF USE OF TEMPORARY INDEXES
   MF63157      OSP-OTHER-PERFM QUERY RE-OPTIMIZATIONS OCCURRING
   MF63118      LIC-DB-PERFM Long optimization time for OLAP and SMP queries
   MF63116      LIC-DB-MSGMCH3203 Correlated Union set expression
   MF63086      LIC-DB Internal Maintenance
   MF63068      LIC-DB-OTHER-INCORROUT SQLRPGLE USING XML FAILS WITH SQLSTAT
   MF62884      LIC-DB-PERFM Improve re-use of temporary results with Concur
   MF62863      LIC-DB-PERFM Index Merge Ordering
   MF62438      LIC-DB-OTHER-PERFM Improve query optimization for partitione
   MF62851      LIC-DB-PERFM Excessive optimization time when MQTs enabled
   MF62754      LIC-DB-OTHER-PERM Improve query performance by removing extr
   MF62713      LIC-DB-MSGMCH3203 DbopNOde-getComplicatedExprs__8DbopNodeCFR
   MF62667      SLIC-DB-MSGMCH3203 DbopAffinity During Partitioned Table Pro
   MF62644      OSP-OTHER-PERFM WORKLOAD CAPPING IN ENVIRONMENTS THAT USE DB
   MF62644      OSP-DB-OTHER-F/DBPMTRAP-T/QDBGETM-MSGMCH3203 MSGMCH3203 F/DB
   MF62634      LIC-DB Internal Maintenance
   MF62624      LIC-DB-OTHER Internal Database Maintenance.
   MF62622      LIC-DB-OTHER Internal database maintenance
   MF62489      LIC-DB-INCORROUT ORDER BY and Partitioned Table and RRN Prob
   MF62433      LIC-DB-OTHER Internal Database Maintenance.
   MF62372      LIC-DB-PERFM Not using EVI Only Access
   MF62369      LIC-DB-OTHER-PERFM IMPROVE PERFORMANCE OF COMPLEX SQL QUERIE
   MF62367      LIC-DB-OTHER record buffer not initialized with default valu
   MF62343      LIC-DB-OTHER Optimizer support for PERCENTILE_DISC and PERCE
   MF62304      LIC-DB-PERFM SMP support for OLAP queries
   MF62244      LIC-DB-OTHER Internal Maintenance
   MF62227      LIC-DB-MSGMCH3203-UNPRED Regression functions implemented wi
   MF62196      LIC-DB-OTHER-INCORROUT WRKQRY OUTPUT IS NOT IN THE SPECIFIED
   MF62118      LIC-DB-OTHER Optimizer support for PERCENTILE_CONT and PERCE
   MF62079      LIC-DB Internal Maintenance
   MF62056      LIC-DB-OTHER-T/QQQOOODBOP-MSGMCH3601 MSGMCH3601 T/QQQOOODBOP
   MF62056      F/DBOPEXPRVALMISC-MSGMCH3203 R720 MCH3203 T/QQQOOOUPCL F/DBO
   MF62041      LIC-DB-MSGMCH3203 Partitioned table query with SMP and LPG
   MF61958      LIC-DB-OTHER-F/DBPMFORMAT-T/QDBGETMQO-MSGMCH3402 MSGCPF5257
   MF61901      LIC-DB-OTHER Internal database maintenance
   MF61855      OSP-DB-OTHER-INCORROUT INCORRECT RESULTS MAY OCCUR WITH REPL
   MF61855      LIC-DB-OTHER-F/DBOPEXPRVALMISC-T/QQQOOODBOP-MSGMCH3203 FILE
   MF61843      OSP-DB-OTHER-MSGCPF4204 ON A QUERY OVER A VIEW
   MF61831      LIC-DB-PERFM Improve re-use of temporary results with Concur
   MF61825      LIC-DB-INCORROUT WHEN BOTH REGR_COUNT AND COUNT
   MF61788      OSP-DB-OTHER OUTPUT QRO HASH OF QUERY INITIATING MTI IN TRAC
   MF61693      LIC-DB-MSGMCH3203 OLAP Aggregate query
   MF61685      LIC-DB Internal Database Maintenance
   MF61672      LIC-DB-OTHER-INCORROUT Left outer join query returns wrong r
   MF61633      LIC-DB-OTHER-MSGMCH3203-F/DBOPAFFINITY-T/QQQOOODBOP followed
   MF61587      LIC-DB-PERFM bad plan when running commit *ALL
   MF61576      OSP-DB-OTHER-SAP400 INDEX ADVISER IS SETTING SORT TABLE TO *
   MF61571      OSP-PAR-940XMISC AFTER UPGRADE TO R720 POOR QUERY PERFORMANC
   MF61507      LIC-DB-PERFM SQL Improve column elimination in union queries
   MF61432      LIC-DB Internal Database Maintenance
   MF61332      LIC-DB Internal Maintenance
   MF61301      LIC-DB Offload long EKR estimates found during optimization
   MF61155      LIC-DB-PERFM - EAO with Partitioned Tables
   MF61155      LIC-DB-PERFM Partitioned Table Index preload IO cost too hig
   MF61149      LIC-PERFM-PAR-940XMISC Bad Query Plan
   MF61126      LIC-DB-OTHER-F/QDBSIGEX-MSGCPF5149 MAY OCCUR WHEN USING USIN
   MF60927      LIC-DB Plan Cache Property Number of created MTIs is zero
   MF60927      LIC-DB-INCORROUT SMP XML INCORRECT OUTPUT AFTER UPGRADE
   MF60927      LIC-DB-OTHER-INCORROUT SQL LOCATE with VARCHAR columns and t
   MF60927      LIC-DB-PERFM SQL Honor KEEPINMEM MEMORY_POOL_PREFERENCE for
   MF61255      OSP-DB-OTHER-F/DBPMTRAP-T/QQQOOODBOP-MSGMCH3203 VL0600BADD V
   MF61492      LIC-DB-OTHER Add key range estimate information to Visual Ex

Summary Information

System.............................. i
Models..............................
Release............................. V7R3M0
Licensed Program............... 5770999
APAR Fixed.......................... View details for APAR MA47640
Superseded by:...................... View fix details for PTF MF66537
Recompile........................... N
Library............................. QSYS
MRI Feature ........................ NONE
Cum Level........................... C9311730


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Document information

More support for: i family

Software version: V7R3M0

Operating system(s): OS/400

Reference #: MF66023

Modified date: 17 June 2019