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From "Kristian Waagan (JIRA)" <j...@apache.org>
Subject [jira] Commented: (DERBY-4771) Continue investigation of automatic creation/update of index statistics
Date Fri, 17 Sep 2010 07:45:32 GMT

    [ https://issues.apache.org/jira/browse/DERBY-4771?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12910498#action_12910498
] 

Kristian Waagan commented on DERBY-4771:
----------------------------------------

Investigation showed that the errors Lily are getting on Windows in store.OSReadOnlyTest are
caused by a partly read-only database directory. The fact that it isn't fully read-only makes
Derby believe the database is read-write.
I'll fix the test issue, see DERBY-4804 for details.

I expect to post a new version of the prototype soon. It will use an lcc to update the data
dictionary directly.

> Continue investigation of automatic creation/update of index statistics
> -----------------------------------------------------------------------
>
>                 Key: DERBY-4771
>                 URL: https://issues.apache.org/jira/browse/DERBY-4771
>             Project: Derby
>          Issue Type: Task
>            Reporter: Kristian Waagan
>         Attachments: derby-4771-1a-prototype_code_dump.diff, derby-4771-1a-prototype_code_dump.stat,
derby-4771-1b-prototype_code_dump.diff, derby.log, error-stacktrace.out, rjall.out, rjall.out
>
>
> Work was started to improve Derby's handling of index statistics. This issue tracks further
discussion and work for this task.

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