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MF52251 - LIC-PERFM DBOPAQCM/findLowerLeftNode looping starting the CP

PTF Cover Letter


PTF ( Program Temporary Fixes ) Cover letter


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Abstract

LIC-PERFM DBOPAQCM/findLowerLeftNode looping starting the CP


Pre/Co-Requisite PTF / Fix List

REQ  LICENSED      PTF/FIX  LEVEL

TYPE PROGRAM  REL  NUMBER   MIN/MAX  OPTION
---- -------- ---  -------  -------  ------
PRE  5770999  710  MF49782   00/00    0000
CO   5770999  710  MF52180   00/00    0000
CO   5770999  710  MF51181   00/00    0000
CO   5770999  710  MF50464   00/00    0000
CO   5770999  710  MF49909   00/00    0000
CO   5770999  710  MF49211   00/00    0000
CO   5770999  710  MF48977   00/00    0000
CO   5770999  710  MF48569   00/00    0000
CO   5770999  710  MF48357   00/00    0000
CO   5770999  710  MF47998   00/00    0000
CO   5770999  710  MF50498   00/00    0000
DIST 5770SS1  710  SI37397   00/00    0000



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APAR Error Description / Circumvention

-----------------------------------------------
Loop in DbopAQPCommon::findLowerLeftNode when querying a LF with
more than 2 members.

CORRECTION FOR APAR MA40505 :
-----------------------------
The SQE optimizer was incorrectly handling the query trees when
LFs had more than 2 members and it was a long running query.
The problem has been corrected.

CIRCUMVENTION FOR APAR MA40505 :
--------------------------------
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
--------------  ------------------------------------------------------------
   MF52183      LIC-DB-OTHER Internal Maintenance
   MF51929      LIC DB - 0600 BADD LIC logs from removeIter
   MF51380      LIC-DB-PERFM SQE optimization performance
   MF50491      OSP-DB-PERFM Not using MQT when MQT matches query selection
   MF51322      LIC-DB-OTHER-PERFM SQE performance improvements
   MF51189      OSP-DB Creation of SQL deflated table
   MF49927      LIC-DB-PERFM Improve EVI with INCLUDE costing in low memory
   MF48571      OSP-OTHER-PERFM DUPLICATE TRANSLATE TABLES
   MF50862      LIC-DB-OTHER Internal maintenance
   MF50650      OSP-DB Visual Explain showing incorrect host variable values
   MF50649      OSP-DB Visual Explain showing incorrect host variable values
   MF50462      LIC-DB-OTHER Plan Cache Dump not showing the correct pool in
   MF49991      LIC-DB Generating DbopTrace on MSGMCH6260
   MF49959      LIC-DB-OTHER LPG HIGHLIGHTING IS NOT WORKING CORRECTLY IN TH
   MF49911      LIC-DB-INCORROUT Correctly transfer translate table storage
   MF49798      OSP-DB Performance enhancement for SQL MERGE statement
   MF49766      LIC-DB Array fixes
   MF49636      LIC-DB-INCORROUT Graphic values in the DBMON 3010 record
   MF48338      LIC-DB Not deallocating storage
   MF49611      DB-LIC-PERFM Enable CREATE EVI with INCLUDE  with SMP settin
   MF49529      LIC-DB-PERFM STRDBMON missing QQQ3010 record and BADD vlog
   MF49417      LIC-DB-OTHER Update Detailed Plan Cache Dump
   MF49397      DB-LIC-INCORROUT Wrong results possible with Encoded Vector
   MF49346      LIC-DB-PERFM REDUCE PAGE FAULTING DURING SQL PLAN VALIDATION
   MF49346      LIC-DB-OTHER INDEX ADVISE INFRASTRUCTURE CHANGE
   MF49346      LIC-DB-OTHER SQL OPTIMIZER TRACING IMPROVEMENTS
   MF49341      LIC-DB 0600 BADA VLOGs generated while running SQL queries
   MF49158      OSP-DB Array fixes
   MF49112      LIC-DB-INCORROUT Missing decFloat values in DBMON 3010 recor
   MF49037      LIC-DB SQL query performs poorly
   MF48981      OSP-DB-OTHER-PERFM SQL STATEMENTS PERFORM WORSE AT R610 OVER
   MF48970      LIC-DB-SQL query runs very poorly after AQP plan replacement
   MF47999      LIC DB DBST Static Variable Cleanup
   MF48909      LIC DB PERFM Allow MQTs and EVIs with INCLUDE to coexist.
   MF48793      OSP-DB-OTHER-F/ASSERT-T/QQQOOODBOP-RC1720-MSGMCH3203 COMPLEX
   MF48753      LIC-DB Visual Explain of plan contains value of 'UNKNOWN' fo
   MF48753      LIC-DB Beam fix for NULL class pointer
   MF48622      OSP DB OTHER EVI Include and aggregation rounding mode
   MF48567      LIC-DB SQL query does not complete.
   MF48567      OSP-DB-OTHER-PERFM NEW QAQQINI OPTION, DETERMINISTIC_UDF_SCO
   MF48424      LIC-DB VLOG contains many VLOGs with major code 0600, minor
   MF48354      LIC-DB Numerous Database VLOGs, major code 0600, minor code
   MF48030      LIC-DB-MSG3203 SQL query with grouping sets clause fails
   MF48125      LIC-DB-OTHER-F/ASSERT-T/QQQOOODBOP-MSGMCH3203 AND TEMP STORA
   MF47919      LIC-DB Too many DataBase Monitor Records

Summary Information

System..............................i
Models..............................
Release.............................V7R1M0
Licensed Program...............5770999
APAR Fixed..........................View details for APAR MA40505
Superseded by:......................View fix details for PTF MF64130
Recompile...........................N
Library.............................QSYS
MRI Feature ........................NONE
Cum Level...........................C1116710


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Document Information

Modified date:
05 February 2011