DB2 - Problembeschreibung
Problem IC67304 | Status: Geschlossen |
POSSIBLE WRONG RESULTS: COALESCE ON FULL OUTER JOIN OF 2 SUBSELE CTS THAT OUTPUT >= 1 NOT-NULL COLUMNS AND A LITERAL OR GROUP BY | |
Produkt: | |
DB2 FOR LUW / DB2FORLUW / 950 - DB2 | |
Problembeschreibung: | |
Incorrect results may be returned if following conditions are satisfied: 1) FULL OUTER JOIN (FOJ) used in query 2) COALESCE function used on two or more columns after application of FOJ 3) The first parameter column to COALESCE sources from a not-nullable base-table column 4) The inputs to FOJ are nested subselects 5) One or both nested subselects either: 5.a) Output a constant literal as a column, which is used after application of FOJ, OR 5.b) Contain a GROUP BY clause where the output columns of the subselect are columns, literals, column functions or deterministic functions only | |
Problem-Zusammenfassung: | |
USERS AFFECTED: All PROBLEM DESCRIPTION: see ERROR DESCRIPTION PROBLEM SUMMARY: see ERROR DESCRIPTION | |
Local-Fix: | |
Rewrite any problematic queries to preclude any of the conditions above, e.g., use a CASE expression instead of COALESCE | |
verfügbare FixPacks: | |
DB2 Version 9.5 Fix Pack 6a for Linux, UNIX, and Windows | |
Lösung | |
The complete fix for this problem first appears in DB2 UDB Version 9.5 FixPak 6. | |
Workaround | |
keiner bekannt / siehe Local-Fix | |
Bug-Verfolgung | |
Vorgänger : APAR is sysrouted TO one or more of the following: IC68418 IC68419 IC68420 IC68421 Nachfolger : | |
Weitere Daten | |
Datum - Problem gemeldet : Datum - Problem geschlossen : Datum - der letzten Änderung: | 18.03.2010 14.05.2010 14.05.2010 |
Problem behoben ab folgender Versionen (IBM BugInfos) | |
9.5. | |
Problem behoben lt. FixList in der Version |