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Posted to derby-dev@db.apache.org by "Kristian Waagan (JIRA)" <ji...@apache.org> on 2011/01/03 13:12:47 UTC

[jira] Resolved: (DERBY-4937) Enable explicit mode istat daemon code for UPDATE_STATISTICS

     [ https://issues.apache.org/jira/browse/DERBY-4937?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Kristian Waagan resolved DERBY-4937.
------------------------------------

       Resolution: Fixed
    Fix Version/s: 10.8.0.0

Committed to trunk with revision 1054588.

Any new test failures in tests running UPDATE_STATISTICS is likely to have been caused by this commit.

> Enable explicit mode istat daemon code for UPDATE_STATISTICS
> ------------------------------------------------------------
>
>                 Key: DERBY-4937
>                 URL: https://issues.apache.org/jira/browse/DERBY-4937
>             Project: Derby
>          Issue Type: Sub-task
>          Components: SQL
>    Affects Versions: 10.8.0.0
>            Reporter: Kristian Waagan
>            Assignee: Kristian Waagan
>             Fix For: 10.8.0.0
>
>         Attachments: derby-4937-1a-explicit_update_stats.diff, derby-4937-1b-explicit_update_stats.diff
>
>
> Implement SYSCS_UTIL.UPDATE_STATISTICS by having the ALTER TABLE code use the new istat daemon in explicit mode.
> Doing this will allow for a period of limited exposure before the background mode of the daemon is enabled, and it will verify that the code generating the index statistics is working.

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