[ https://issues.apache.org/jira/browse/DERBY-4849?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Kristian Waagan resolved DERBY-4849. ------------------------------------ Resolution: Fixed Fix Version/s: 10.6.2.2 Backported fix to the 10.6 branch with revision 1040569. Marking issue as fixed. > Re-compilation may cause duplicate entries in the XPLAIN table > -------------------------------------------------------------- > > Key: DERBY-4849 > URL: https://issues.apache.org/jira/browse/DERBY-4849 > Project: Derby > Issue Type: Bug > Components: SQL > Affects Versions: 10.6.2.1, 10.7.1.1 > Reporter: Kristian Waagan > Assignee: Kristian Waagan > Priority: Minor > Fix For: 10.6.2.2, 10.7.1.1 > > Attachments: derby-4849-1a-narrow_fix.diff, > derby-4849-2a-broad_fix.diff, derby-4849-2b-broad_fix_with_test.diff, > derby-4849-2b-broad_fix_with_test.stat, > derby-4849-2c-broad_fix_with_test.diff, > derby-4849-xplain_duplicate_stacktrace.txt > > > If happening at the right moment, a re-compilation request may cause > duplicate entries in the XPLAIN statement tables. > I have only confirmed this for the SYSXPLAIN_STATEMENTS table, and I do not > know if the other XPLAIN tables are affected. > The error is highly intermittent, and so far I have only been able to trigger > it when testing the automatic index statistics update prototype. > See the attached stack-trace for some more details. -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.