DB2 - Problem description
| Problem IC75276 | Status: Closed |
CALLING REORGCHK_TB_STATS ON AN EMPTY TABLE WITH STATISTICS COLLECTED RETURNS -1 FOR ALL THE STATISTICS OUTPUTS | |
| product: | |
DB2 FOR LUW / DB2FORLUW / 970 - DB2 | |
| Problem description: | |
If a table is empty but has statistics collected, the
administrative SQL routine REORGCHK_TB_STATS will return values
-1 for all the output columns in the result set.
For example, the issue can be reproduces as below:
--create an empty table TEST1 and collect statistics using
runstats
db2 "create table db2inst1.TEST1(c1 varchar(10))"
db2 "runstats on table db2inst1.TEST1"
--use the below query to show the correct statistics for the
table
db2 "select
tabname,type,card,npages,fpages,active_blocks,overflow,
stats_time from syscat.tables where tabname='TEST1'"
TABNAME
TYPE CARD NPAGES FPAGES
ACTIVE_BLOCKS OVERFLOW STATS_TIME
----------------------------------------------------------------
----------------------------------------------------------------
---- -------------------- --------------------
-------------------- -------------------- --------------------
--------------------------
TEST1
T 0 0
1 0 0
2011-01-05-00.29.01.217425
1 record(s) selected.
--But the SQL routine SYSPROC.REORGCHK_TB_STATS returns -1 for
all the statistics columns in the result set.
db2 "CALL SYSPROC.REORGCHK_TB_STATS('T','DB2INST1.TEST1')"
Result set 1
--------------
TABLE_SCHEMA
TABLE_NAME
DATAPARTITIONNAME
CARD OVERFLOW NPAGES
FPAGES ACTIVE_BLOCKS TSIZE
F1 F2 F3 REORG
----------------------------------------------------------------
----------------------------------------------------------------
----------------------------------------------------------------
----------------------------------------------------------------
----------------------------------------------------------------
----------------------------------------------------------------
-------------------- -------------------- --------------------
-------------------- -------------------- --------------------
----------- ----------- ----------- -----
DB2INST1
TEST1
-
-1 -1 -1
-1 -1 -1
-1 -1 -1 ---
1 record(s) selected.
Return Status = 0 | |
| Problem Summary: | |
**************************************************************** * USERS AFFECTED: * * ALL * **************************************************************** * PROBLEM DESCRIPTION: * * See Error Description * **************************************************************** * RECOMMENDATION: * * Upgrade to DB2 Version 9.7 Fix Pack 5 or newer * **************************************************************** | |
| Local Fix: | |
| available fix packs: | |
DB2 Version 9.7 Fix Pack 5 for Linux, UNIX, and Windows | |
| Solution | |
Problem was first fixed in Version 9.7 Fix Pack 5 | |
| Workaround | |
not known / see Local fix | |
| Timestamps | |
Date - problem reported : Date - problem closed : Date - last modified : | 25.03.2011 02.01.2012 02.01.2012 |
| Problem solved at the following versions (IBM BugInfos) | |
9.7.FP5 | |
| Problem solved according to the fixlist(s) of the following version(s) | |
| 9.7.0.5 |
|