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MF66918 - OSP-OTHER-PERFM QUERY OPTIMIZATION PERFORMANCE

PTF Cover Letter


PTF ( Program Temporary Fixes ) Cover letter


Order this fix

Abstract

OSP-OTHER-PERFM QUERY OPTIMIZATION PERFORMANCE


Pre/Co-Requisite PTF / Fix List

REQ  LICENSED           PTF/FIX  LEVEL

TYPE PROGRAM  RELEASE   NUMBER   MIN/MAX  OPTION
---- -------- --------- -------  -------  ------
PRE  5770999  V7R2M0    MF64481   00/00    0000
PRE  5770999  V7R2M0    MF62599   00/00    0000
CO   5770999  V7R2M0    MF65924   00/00    0000
CO   5770999  V7R2M0    MF65918   00/00    0000
CO   5770999  V7R2M0    MF65669   00/00    0000
CO   5770999  V7R2M0    MF65527   00/00    0000
CO   5770999  V7R2M0    MF65362   00/00    0000
CO   5770999  V7R2M0    MF65302   00/00    0000
CO   5770999  V7R2M0    MF65139   00/00    0000
CO   5770999  V7R2M0    MF64367   00/00    0000
CO   5770999  V7R2M0    MF64072   00/00    0000
CO   5770999  V7R2M0    MF58634   00/00    0000
DIST 5770SS1  V7R2M0    SI56543   00/00    0000



NOTICE:
-------
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REGARDING THE PTF.





APAR Error Description / Circumvention

-----------------------------------------------
During query access plan validation, we are checking for Work
Load Capping changes even if Symmetric Multi-processing is not
active.

Additional Keywords: SMP WLC

CORRECTION FOR APAR MA48114 :
-----------------------------
The SQE optimizer will no longer check for Work Load Capping
changes when SMP is not active during plan validation.

CIRCUMVENTION FOR APAR MA48114 :
--------------------------------
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
--------------  ------------------------------------------------------------
   MF66637      LIC-DB-INCORROUT AN SQL SELECT USING WHERE XXX = '' RETURNS
   MF66383      OSP-DB-OTHER MSGMCH3203 F/DBOPAFFINITY T/QQQOOODBOP VL0600BA
   MF66294      OSP-DB-OTHER-F/DBOPEXPRPREDMISC-RCX/5094-MSGMCH3203 QUERY/40
   MF66229      OSP-DB-OTHER-PERFM SAMPLING SUBSET OF TABLE PARTITIONS FOR E
   MF66207      OSP-UNPRED NAVIGATOR FOR I MTIS DELETED COUNT IS INCORRECT
   MF66027      LIC-DB-OTHER-INCORROUT Possible data corruption with MIN/MAX
   MF65923      OSP-DB-OTHER-PERFM PERFORMANCE IMPROVEMENT TO QDS IO COSTING
   MF65919      OSP-DB-OTHER-INCORROUT SELECT STMT WITH FIELDPROC RETURNS IN
   MF65684      OSP-DB-OTHER-F/DBPMTRAP-T/QDBGETMQO-MSGMCH3203 MSGMCH3203 F/
   MF65668      OSP-UNPRED PLAN CACHE GATING
   MF65526      LIC-DB-INCORROUT Recursive Query
   MF65525      OSP-DB-OTHER-F/DBOPACCESSPLANINDEXRANDOMIOX/5108-MSGMCH3601
   MF65518      LIC-DB-OTHER Internal maintenance
   MF65422      OSP-OTHER-PERFM QUERY IS BEING RE-OPTIMIZED UNNECESSARILY
   MF65377      SQL-RUN COMPLEX SQL QUERY FAILS INTERMITTENTLY
   MF65361      LIC-DB-OTHER Internal Database Maintenance.
   MF65344      OSP-DB-OTHER THE SYSTEM IS CREATING DUPLICATE MTI'S (TEMPORA
   MF65314      Corrects LIMIT/OFFSET precedence for prepared attributes.
   MF65301      LIC-DB-OTHER-F/DBOPEXPRVALMISC-T/QQQOOODBOP-MSGMCH3203 RCAC
   MF65286      LIC-DB-OTHER change to Visual Explain for Workload Group
   MF65205      LIC-DB-OTHER-PERFM COMPLEX CONNECT BY QUERY RUNS POORLY AFTE
   MF65187      OSP-DB-OTHER-F/DBPMHASH-T/QDBGETMQO-MSGMCH3402 DRDA APPLICAT
   MF65152      LIC-DB-OTHER-PERFM REDUCE USE OF SPARSE MTIS WHEN THERE IS A
   MF65140      LIC-DB-OTHER Allow duplicate keys in JSON_OBJECT and JSON_OB
   MF65090      LIC-DB-MSGMCH3203 Affinity Error on complex query
   MF65067      OSP-DB-OTHER-INCORROUT UDTF - 'NO EXTERNAL ACTION'
   MF65058      OSP-DB-OTHER-F/DBPMTRAP-T/QDBGETM-RC1720-MSGMCH3203 MSGMCH32
   MF65015      LIC-DB-OTHER-PERF COMPLEX OLAP QUERY CONSUMES EXCESSIVE SEGM
   MF64967      OSP-PAR-940XMISC PLANS THAT MAY BE IN USE FROM JOBS IN ONE P
   MF64947      OSP-DB-OTHER-F/DBOPAFFINITY-T/QQQOOODBOP-MSGMCH3203 A MSGMCH
   MF64908      OSP-DB-OTHER-INCORROUT A RPG CHAIN MAY NOT FIND CORRECT VALU
   MF64870      PERFM-HLIC-94XXBASE NON OPTIMAL JOIN ORDER SELECTED DUE TO I
   MF64870      PERFM-HLIC-94XXBASE NON OPTIMAL JOIN ORDER SELECTED DUE TO I
   MF64857      LIC-DB-PERFM Poor query performance due to plan choice
   MF64751      LIC-DB-OTHER-F/HMDERIVEDHEAP-T/QQQOOODBOP-RCX/5094-MSGMCH320
   MF64633      LIC-DB-OTHER-INCORROUT UDTF - 'NO EXTERNAL ACTION' with LOB
   MF64541      LIC-DB-OTHER-PERF POOR PERFORMING SQL USING SMP
   MF64540      OSP-OTHER-PERFM QUERY OPTIMIZATION TIME
   MF64531      LIC-DB-OTHER Internal Database Maintenance.
   MF64525      LIC-DB-OTHER-PERFM SYNCHRONIZE MTI ACCESS IN AN TRACING OR E
   MF64518      LIC-DB-OTHER Internal Maintenance
   MF64375      OSP-DB-OTHER-F/QSQRUN3X/32832-T/SAME-MSGSQ20478 UPDATE ON A
   MF64364      OSP-DB-OTHER-PERFM SQL
   MF64425      OSP-F/DBPMTRAP-T/QQQOOODBOP-RC1720-MSGMCH3203 MCH3203 F/DBPM
   MF64425      OSP-DB-OTHER-F/DBOPAFFINITY-T/QQQOOODBOP-MSGMCH3203 SQL0901
   MF64350      LIC-DB-OTHER Query with grouping sets and table function fai
   MF64345      OSP-OTHER-PERFM QUERY PERFORMS POORLY WHEN SKEWED DATA IS PR
   MF64320      OSP-DB-OTHER-SAP400-THREADS-INCORROUT SELECT STMT WITH '=' ,
   MF64142      LIC-DB-OTHER Internal Database Maintenance.
   MF64092      LIC-DB-OTHER Internal Database Maintenance.
   MF64074      LIC-DB-PERFM Database Monitor 3010 record
   MF64063      LIC-DB-INCORROUT MTI with LOB column
   MF64038      LIC-DB Internal Maintenance
   MF64011      OSP-OTHER-PERFM QUERY PERFORMS POORLY WHEN SKEWED DATA IS PR
   MF63977      LIC-DB-OTHER Potential incorrect output with EVI only access
   MF63938      LIC-DB-OTHER VL0600BADD - ADDAFFINITYEXPRESSION QUERY FAILUR
   MF63890      OSP-DB-OTHER-F/QSQRUN3-T/QSQRUN3-RC6-MSGSQL0952 RUNNING SQL
   MF63872      LIC-DB-OTHER-PERFM QUERY PERFORMANCE WITH PARTITIONED TABLE
   MF63845      LIC-DB_OTHER Support displaying more than 1TB in Visual Expl
   MF63835      OSP-DB-OTHER-F/DBOPAFFINITY-T/QQQOOODBOP-MSGMCH3203 UNION
   MF63709      LIC-DB-PERFM reduce data copies for SQL query
   MF63750      OSP-UNPRED QUERY ESTIMATED RUNTIME WITH XMLELEMENT FIELD SEL
   MF63683      LIC-DB-PERFM reorder predicates based on selectivity
   MF63644      OSP-DB-OTHER-F/DBPMTRAP-MSGMCH3203 QRYDFN FAILS W/ MCH3203 F
   MF63628      LIC-DB-OTHER Database temporary storage usage increases
   MF63581      LIC-DB-OTHER-PERFM COMPLEX QUERY IS BEING RE-OPTIMIZED UNEXP
   MF63551      LIC-DB-PERFM Not using EVI Only Access
   MF63504      OSP-DB-OTHER-F/DBOPRELTABLEMISC-T/QQQOOODBOPX/5000 SELECT ST
   MF63377      LIC-DB-OTHER MCH3203 F/T DbopAffinity/QQQOOODBOP complex OR
   MF63306      LIC-DB Internal Maintenance
   MF63282      LIC-DB-OTHER-PERM Improve query performance by removing extr
   MF63241      LIC-DB-PERFM FETCH FIRST ROW query over partitioned table ru
   MF63164      LIC-DB-OTHER-PERFM Queries over partition tables with a non-
   MF63115      OSP-PAR-940XBASE HASH TABLE POPULATION IO COSTS ARE TOO LOW.
   MF63125      OSP-OTHER-PERFM OPNQRYF USE OF TEMPORARY INDEXES
   MF63112      LIC-DB-MSGMCH3203 Correlated Union set expression
   MF63087      LIC-DB Internal Maintenance
   MF63048      LIC-DB-OTHER-INCORROUT SQLRPGLE USING XML FAILS WITH SQLSTAT
   MF62955      OSP-OTHER-PERFM QUERY RE-OPTIMIZATIONS OCCURRING
   MF62883      LIC-DB-PERFM Improve re-use of temporary results with Concur
   MF62768      LIC-DB-OTHER-PERM Improve query performance by removing extr
   MF62751      LIC-DB-PERFM Excessive optimization time when MQTs enabled
   MF62745      LIC-DB-OTHER-PERFM Improve query optimization for partitione
   MF62725      LIC-DB-MSGMCH3203 DbopNOde-getComplicatedExprs__8DbopNodeCFR
   MF62682      LIC-DB-OTHER-INCORROUT Incorrectly sorted results possible w
   MF62632      LIC-DB Internal Maintenance
   MF62626      LIC-DB-OTHER Internal Database Maintenance.
   MF62589      OSP-OTHER-PERFM WORKLOAD CAPPING IN ENVIRONMENTS THAT USE DB
   MF62589      OSP-DB-OTHER-F/DBPMTRAP-T/QDBGETM-MSGMCH3203 MSGMCH3203 F/DB
   MF62512      OSP-DB-OTHER-T/QQQOOODBOPX/4720-MSGMCH3203 A LEFT OUTER JOIN
   MF62512      OSP-DB-OTHER-T/QQQOOODBOPX/4720-MSGMCH3203 A LEFT OUTER JOIN
   MF62491      LIC-DB-INCORROUT ORDER BY and Partitioned Table and RRN Prob
   MF62443      F/OPTIMIZER-UDFINCORROUTAFTERCLEARINGPLANCACHE UDF INCORRECT
   MF62422      LIC-DB-OTHER Internal Database Maintenance.
   MF62299      LIC-DB-OTHER Internal database maintenance
   MF61676      LIC-DB-OTHER-INCORROUT WRKQRY OUTPUT IS NOT IN THE SPECIFIED
   MF62033      LIC-DB-OTHER-T/QQQOOODBOP-MSGMCH3601 MSGMCH3601 T/QQQOOODBOP
   MF61923      LIC-DB Internal Maintenance
   MF61823      LIC-DB-PERFM Improve re-use of temporary results with Concur
   MF61820      LIC-DB-OTHER-F/DBPMFORMAT-T/QDBGETMQO-MSGMCH3402 MSGCPF5257
   MF61752      LIC-DB-OTHER-PERFM POOR PERFORMING QUERY WHEN IMPLEMENTED WI
   MF61715      OSP-DB-OTHER OUTPUT QRO HASH OF QUERY INITIATING MTI IN TRAC
   MF61683      LIC-DB Internal Database Maintenance
   MF61668      LIC-DB-OTHER-INCORROUT Left outer join query returns wrong r
   MF61635      LIC-DB-OTHER-MSGMCH3203-F/DBOPAFFINITY-T/QQQOOODBOP followed
   MF61586      OSP-DB-OTHER-MSGCPF4204 ON A QUERY OVER A VIEW
   MF61580      F/DBOPEXPRVALMISC-MSGMCH3203 R720 MCH3203 T/QQQOOOUPCL F/DBO
   MF61573      OSP-DB-OTHER-SAP400 INDEX ADVISER IS SETTING SORT TABLE TO *
   MF61555      OSP-PAR-940XMISC AFTER UPGRADE TO R720 POOR QUERY PERFORMANC
   MF61505      LIC-DB-PERFM SQL Improve column elimination in union queries
   MF61499      LIC-DB-OTHER-F/DBOPEXPRVALMISC-T/QQQOOODBOP-MSGMCH3203 FILE
   MF61431      LIC-DB Internal Database Maintenance
   MF61262      LIC-DB-PERFM - EAO with Partitioned Tables
   MF61198      OSP-DB-OTHER-INCORROUT INCORRECT RESULTS MAY OCCUR WITH REPL
   MF61143      LIC-PERFM-PAR-940XMISC Bad Query Plan
   MF61073      LIC-DB-PERFM Partitioned Table Index preload IO cost too hig
   MF60977      OSP-DB-OTHER-F/DBPMTRAP-T/QQQOOODBOP-MSGMCH3203 VL0600BADD V
   MF60924      LIC-DB Plan Cache Property Number of created MTIs is zero
   MF60797      LIC-DB-PERFM SQL Honor KEEPINMEM MEMORY_POOL_PREFERENCE for
   MF60783      OSP-OTHER-PERFM LONG OPTIMIZATION TIME DUE TO NUMEROUS UDFS/
   MF60778      LIC-DB-OTHER-INCORROUT SQL LOCATE with VARCHAR columns and t
   MF60747      LIC-DB-INCORROUT SMP XML INCORRECT OUTPUT AFTER UPGRADE
   MF60739      LIC-DB-OTHER-UNPRED Internal Database Maintenance
   MF60687      OSP-OTHER-PERFM QUERY WITH RECURSIVE COMMON TABLE EXPRESSION
   MF60681      LIC-DB-OTHER-UNPRED Internal Database Maintenance
   MF60627      OSP-DB-OTHER-F/DBPMTRAPX/0958-T/QQQOOODBOPX/4958-MSGMCH3203
   MF60601      LIC-DB-OTHER-INCORROUT SPECIAL REGISTER VALUE INCORRECTLY RE
   MF60581      LIC-DB-INCORROUT CURRENT CLIENT_ACCTNG special register refr
   MF06006      LIC-DB-UNPRED Plan cache snapshot may cause unpredictable be
   MF60527      LIC-DB-OTHER-LOOP IMPROVE THE MANAGEMENT OF SPARSE MTIS IN A
   MF60527      LIC-DB-OTHER-UNPRED HIGH TEMP STORE USAGE FROM HEAP SEGMENT
   MF60527      LIC-DB-OTHER-PERFM EXCESSIVE TEMPORARY STORAGE CONSUMPTION A
   MF60468      OSP-DB-OTHER-UNPRED VL0600A1B8 PLANCACHE
   MF60450      LIC-DB-OTHER-F/QDBSIGEX-MSGCPF5149 MAY OCCUR WHEN USING USIN
   MF60443      OSP-DB-OTHER-F/ASSERT-T/QQQOOODBOP-MSGMCH3203 A MSGMCH3203 M
   MF60173      LIC-DB-UNPRED Temps and Concurrent Access Resolution of Skip
   MF60173      LIC-DB-PERFM Aggregagate query performs poorly when SMP
   MF60035      LIC-DB-OTHER-INCORROUT OLAP ORDER BY ASC NULLS FIRST WITH NU
   MF60003      LIC-DB-OTHER Add MEMORY_POOL_PREFERENCE QAQQINI OPTION TO VE
   MF59992      LIC-DB-OTHER-PERFM IMPROVE SQL PLAN VALIDATION
   MF59981      LIC-DB-OTHER-INCORROUT Left outer join queries executed with
   MF59892      LIC-DB-OTHER Internal maintenance
   MF59698      LIC-DB-PERFM Query with Partitioned table
   MF59529      LIC-DB-PERFM Probe Predicate not completely normalized
   MF58548      LIC-DB-OTHER-PERFM Incorrect disk response time estimates fo
   MF58282      OSP-PERFM QUERY PERFORMS POORLY WHEN SYMMETRIC MULTIPROCESSI
   MF57961      LIC-DB Internal Maintenance
   MF59064      QRY-QRYRUN-F/DBOPOPERATIONMISC-T/QQQOOODBOP-RC0-MSGMCH3203 R
   MF59856      LIC-DB-UNPRED Ensure order of partitions in partitioned tabl
   MF59628      OSP-DB-OTHER-F/DBLISTHOME-T/QQQOOODBOP-MSGMCH3601 MSGMCH3601
   MF59552      LIC-DB-OTHER MCH3602 DbopReferenceDataTable with array host
   MF59464      LIC-DB-OTHER-PERFM DISTINCT QUERY TAKES TWICE AS LONG AFTER
   MF59448      OSP-PERFM QUERIES AT R710 ARE RUNNING SLOWER UNLESS THE INLI
   MF59448      OSP-PERFM QUERIES AT R710 ARE RUNNING SLOWER UNLESS THE INLI
   MF59435      LIC-DB-OTHER DATABASE MONITOR 3010 RECORD MISSING
   MF59243      LIC-DB-OTHER-PERFM HIGHER CPU CONSUMPTION FOR QUERY AFTER AP
   MF59188      LIC-DB-Other Internal Maintenance
   MF59141      LIC-DB-INCORROUT Native Key positioning
   MF58955      LIC-DB-OTHER Internal Maintenance
   MF58858      LIC-DB-OTHER-PERFM QUERY OPTIMIZER DOES NOT IMPLEMENT VIA AN
   MF58811      LIC-DB-OTHER-INCORROUT SYSTEM CRASH DURING NORMAL OPERATIONS
   MF58811      LIC-DB-OTHER-PERFM SMP IMPLEMENTATION LEADS TO POOR SQL QUER
   MF58794      OSP-UNPRED RPG PROGRAM WITH EMBEDDED SQL RETURNS NO RESULT S
   MF58635      LIC-DB-OTHER Internal maintenance
   MF58577      OSP-DB-OTHER-F/ASSERT-T/QQQOOODBOP-MSGMCH3203 SQL SELECT STA
   MF58538      LIC-DB-OTHER Internal Maintenance
   MF58536      OSP-DB-OTHER-INCORROUT DIFFERENCES BETWEEN CCSID 65535 AND 5
   MF58334      OSP-DB-OTHER-F/QDBIOERRQO-T/QSQRUN2-MSGCPF503E MSGSQL0502-F/
   MF58194      LIC-DB-MSGMCH3203 Update query with RCAC
   MF58150      LIC-DB Internal Maintenance
   MF58141      OSP-DB-OTHER-F/QQQOOODBOP-T/QQQOOOINV-MSGMCH3203 QUERIES FAI
   MF58141      LIC-DB-OTHER-PERFM DELETE STATEMENT WITH NOT IN PREDICATE IS
   MF58133      LIC-DB-MSGMCH3203 Delete from a Partitioned Table
   MF58092      LIC-DB Internal Maintenance
   MF57849      LIC-DB Internal Maintenance
   MF57804      LIC-DB Internal Maintenance
   MF57777      LIC-DB Internal Maintenance
   MF57702      LIC-DB-MSGMCH3203 Grouping Sets
   MF57623      LIC-DB Internal Maintenance

Summary Information

System..............................i
Models..............................
Release.............................V7R2M0
Licensed Program....................5770999
APAR Fixed..........................View details for APAR MA48114
Superseded by:......................View fix details for PTF MF69065
Recompile...........................N
Library.............................QSYS
MRI Feature ........................NONE
Cum Level...........................C0114720


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[{"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Platform":[{"code":"PF012","label":"IBM i"}],"Version":"7.2.0","Product":{"code":"SWG60","label":"IBM i"},"Component":"5770999","Edition":"","Line of Business":{"code":"LOB57","label":"Power"}}]

Document Information

Modified date:
26 April 2022