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SI68963 - OSP-DB-OTHER-MSGSQL0913 DROP TABLE CASCADE ORPHANED LOCK

PTF Cover Letter


PTF ( Program Temporary Fixes ) Cover letter


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Abstract

OSP-DB-OTHER-MSGSQL0913 DROP TABLE CASCADE ORPHANED LOCK


Pre/Co-Requisite PTF / Fix List

REQ  LICENSED           PTF/FIX  LEVEL

TYPE PROGRAM  RELEASE   NUMBER   MIN/MAX  OPTION
---- -------- --------- -------  -------  ------
NONE



NOTICE:
-------
Application of this PTF may disable or render ineffective programs that
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APAR Error Description / Circumvention

-----------------------------------------------
We have 2 tables TAB1 and TAB2. TAB2 has referential integrity
constraints. TAB1 has a trigger defined that references TAB2.
A job holds a shared read lock on TAB1.  Another job does a DROP
TABLE CASCADE on TAB2 and correctly receives an SQL0913 because
it is unable to lock TAB1.  The job that failed the DROP TABLE
of TAB2 continues to hold a lock on TAB2.


CORRECTION FOR APAR SE69975 :
-----------------------------
DROP TABLE processing is corrected to release the locks on the
table being dropped when dependent objects can not be locked.
This ptf is preventative not corrective. If this problem is
encountered prior to applying this ptf, the job holding the lock
must be ended.

CIRCUMVENTION FOR APAR SE69975 :
--------------------------------
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
--------------  ------------------------------------------------------------
   SI68071      OSP QSQSRVR JOB TAKING CPU DURING CLEANUP IN PROGRAM QDBDLTF
   SI59866      F/QDBDLTFI-MOD/QDBDLTFI JOB ENTERS INFINITE LOOP IN QDBDLTFI

Summary Information

System..............................i
Models..............................
Release.............................V7R2M0
Licensed Program...............5770SS1
APAR Fixed..........................View details for APAR SE69975
Superseded by:......................
Recompile...........................N
Library.............................QSYS
MRI Feature ........................NONE
Cum Level...........................C9123720


System i Support

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Document Information

Modified date:
05 March 2019