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From "Bryan Pendleton (JIRA)" <j...@apache.org>
Subject [jira] Updated: (DERBY-2487) Enhance Derby with EXPLAIN Functionality
Date Thu, 26 Feb 2009 05:57:01 GMT

     [ https://issues.apache.org/jira/browse/DERBY-2487?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Bryan Pendleton updated DERBY-2487:
-----------------------------------

    Attachment: startUpgradeTests.diff

Thanks Mike and Dag for the upgrade pointers. Those tests are awesome!
I was able to add tests for the new XPLAIN features, and, using those tests,
found and fixed a handful of upgrade issues, so I think upgrade now works.
Attached patch 'startUpgradeTests.diff' passes the complete regression
suite in my environment.

I'm still tracking down to-do's and fixme's, but would welcome
additional review of the patch by anyone who has time.

> Enhance Derby with EXPLAIN Functionality
> ----------------------------------------
>
>                 Key: DERBY-2487
>                 URL: https://issues.apache.org/jira/browse/DERBY-2487
>             Project: Derby
>          Issue Type: New Feature
>          Components: SQL
>    Affects Versions: 10.2.2.0
>            Reporter: Felix Beyer
>            Assignee: Bryan Pendleton
>            Priority: Minor
>         Attachments: Derby physical XPLAIN schema.png, incorporateTrunkChanges.diff,
RSProtocolNew.pdf, rts.xls, small logical xplain schema.pdf, startRegressionTest.diff, startRegressionTest.diff,
startUpgradeTests.diff, updateRegressionTests.diff, updateRegressionTests.diff, usage.txt,
xplain_patch_v1.txt, xplainClasses.pdf
>
>
> This enhancement extends Derby with EXPLAIN functions. Users want to have more feedback
than they`re getting with the current RuntimeStatistics facility. This extension is based
on the RuntimeStatistics/ResultSetStatistics functions / classes. 

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