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Informix - Problem description

Problem IT39594 Status: Closed

SQLTRACE - RUN TIME, PAGE READ, BUFFER READ ARE SHOWING WRONG STATISTICS

product:
INFORMIX SERVER / 5725A3900 / E10 - 
Problem description:
When OPTCOMPIND is 2 and '2K dbspace' is used, SQLTRACE for
 query, which has 'Functional Predicate' and 'LIKE'
operator chosing  shows Wrong Statistics values
for
1) Run Time
2) Page Read
3) Buffer Read

The values for above 3 columns are showing very Less compared to
SQEXPLAIN, though SEQUENTIAL SCAN is used.

select seo1_id from se_out_mt1nn where ucase(seo1_21) like
'TEST-5555%' ;
Problem Summary:
****************************************************************
* USERS AFFECTED:                                              *
* Users of Informix Server prior to 14.10.xC8.                 *
****************************************************************
* PROBLEM DESCRIPTION:                                         *
* See Error Description                                        *
****************************************************************
* RECOMMENDATION:                                              *
* Upgrade to Informix Server 14.10.xC8.                        *
****************************************************************
Local Fix:
Solution
Workaround
****************************************************************
* USERS AFFECTED:                                              *
* Users of Informix Server prior to 14.10.xC8.                 *
****************************************************************
* PROBLEM DESCRIPTION:                                         *
* See Error Description                                        *
****************************************************************
* RECOMMENDATION:                                              *
* Upgrade to Informix Server 14.10.xC8.                        *
****************************************************************
Comment
Fixed in Informix Server 14.10.xC8.
Timestamps
Date  - problem reported    :
Date  - problem closed      :
Date  - last modified       :
10.01.2022
07.04.2022
07.04.2022
Problem solved at the following versions (IBM BugInfos)
Problem solved according to the fixlist(s) of the following version(s)