|
Problem IC66212
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Status: Closed |
VISUAL EXPLAIN DISPLAYS WRONG CARDINALITY IF SELECT USES FETCH FIRST N ROWS OPTIONS. |
| product: |
DB2 FOR LUW / DB2FORLUW / 970 - DB2 |
| Problem description: |
VISUAL EXPLAIN DISPLAYS WRONG CARDINALITY IF SELECT USES FETCH
FIRST N ROWS OPTIONS.
If you obtain an explain plain using the fetch first n rows
option the cardinality.
SELECT tbspace FROM SYSCAT.TABLESPACES FETCH FIRST 1 ROWS ONLY;
The cardinality values shown in the explain output are taken
from either the input or output operator. The value is not
consistent.
db2exfmt output show the values correctly. |
| Problem Summary: |
VISUAL EXPLAIN DISPLAYS WRONG CARDINALITY IF SELECT USES FETCH
FIRST N ROWS OPTIONS. |
| Local Fix: |
Workaround: db2exfmt output instead. |
| available fix packs: |
DB2 Version 9.7 Fix Pack 2 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 3 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 3a for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 4 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 5 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 6 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 7 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 9a for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 8 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 9 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 10 for Linux, UNIX, and Windows
|
| Solution |
Problem was first fixed in Version 9.7 Fix Pack 2 |
| Workaround |
not known / see Local fix |
| Timestamps |
Date - problem reported :
Date - problem closed :
Date - last modified :
| 11.02.2010
17.05.2010
15.12.2012 |
| Problem solved at the following versions (IBM BugInfos) |
9.7.FP2
|
| Problem solved according to the fixlist(s) of the following version(s) |
| 9.7.0.2
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