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MF63068 - LIC-DB-OTHER-INCORROUT SQLRPGLE USING XML FAILS WITH SQLSTAT

PTF ( Program Temporary Fixes ) Cover letter


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Abstract

LIC-DB-OTHER-INCORROUT SQLRPGLE USING XML FAILS WITH SQLSTAT


Pre/Co-Requisite PTF / Fix List

REQ  LICENSED           PTF/FIX  LEVEL

TYPE PROGRAM  RELEASE   NUMBER   MIN/MAX  OPTION
---- -------- --------- -------  -------  ------
PRE  5770999  V7R3M0    MF62600   00/00    0000
PRE  5770999  V7R3M0    MF62225   00/00    0000
PRE  5770999  V7R3M0    MF61285   00/00    0000
CO   5770999  V7R3M0    MF63069   00/00    0000
CO   5770999  V7R3M0    MF62646   00/00    0000
CO   5770999  V7R3M0    MF62645   00/00    0000
CO   5770999  V7R3M0    MF62635   00/00    0000
CO   5770999  V7R3M0    MF61589   00/00    0000
CO   5770999  V7R3M0    MF61339   00/00    0000
DIST 5770SS1  V7R3M0    SI59580   00/00    0000



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APAR Error Description / Circumvention

-----------------------------------------------
SQLRPGLE program that calls XML functions XMLSERIALIZE and
XMLDOCUMENT utilises SMP and LOJ RIO spinning plans returns a
SQLSTATE:2000 SQLCODE:+100 due to placement of the bufferscan
node. This results in an INCORROUT.

CORRECTION FOR APAR MA46067 :
-----------------------------
During optimization, when a plan is chosen, if SMP/parallelism
is enabled, the optimizer determines if a buffer scan node is
needed  and where to put it in the query tree to feed the
parallelism based on the determined query SMP degree.  There are
certain locations in a final plan node tree where a buffer scan
is legitimate and other locations where that type of node is
not.  The logic to correctly place the buffer scan node when
there are multiple, stacked left outer join RIO spinning nodes
was not correct in all situations. That location is also
predicated by the query's estimated record counts and the smp
degree value determined by the optimizer.   If the buffer scan
is placed in the wrong location in the node tree, during the
execution of the plan,  the query could result in wrong results,
likely few records.

CIRCUMVENTION FOR APAR MA46067 :
--------------------------------
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
--------------  ------------------------------------------------------------
   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 MA46067
Superseded by:...................... View fix details for PTF MF66175
Recompile........................... N
Library............................. QSYS
MRI Feature ........................ NONE
Cum Level........................... C7283730


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Document information

More support for: i family

Software version: V7R3M0

Operating system(s): OS/400

Reference #: MF63068

Modified date: 18 January 2017