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) |