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From "Kristian Waagan (JIRA)" <j...@apache.org>
Subject [jira] Updated: (DERBY-4937) Enable explicit mode istat daemon code for UPDATE_STATISTICS
Date Fri, 10 Dec 2010 16:25:02 GMT

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

Kristian Waagan updated DERBY-4937:

    Attachment: derby-4937-1b-explicit_update_stats.diff

Attaching patch 1b (formatting change only).

If you apply this patch now, calls to SYS_CS.UPDATE_STATISTICS will use the new daemon code
committed in DERBY-4936.

> 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:
>            Reporter: Kristian Waagan
>            Assignee: Kristian Waagan
>         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

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