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From "Bryan Pendleton (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (DERBY-2487) Enhance Derby with EXPLAIN Functionality
Date Fri, 15 May 2009 01:08:45 GMT

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

Bryan Pendleton resolved DERBY-2487.
------------------------------------

       Resolution: Fixed
    Fix Version/s: 10.6.0.0

The patches have been committed to the trunk, the various sub-tasks are complete, and the
documentation is visible on the web site. I think we can mark this issue as resolved and deal
with any subsequent work in separate issues.

Felix, thanks again for the contribution!


> 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
>             Fix For: 10.6.0.0
>
>         Attachments: Derby physical XPLAIN schema.png, finalReview.diff, incorporateTrunkChanges.diff,
jdbc4tests.diff, refactorVisitor.diff, refactorVisitor.diff, removeSourceDepth.diff, RSProtocolNew.pdf,
rts.xls, small logical xplain schema.pdf, startRegressionTest.diff, startRegressionTest.diff,
startUpgradeTests.diff, updateRegressionTests.diff, updateRegressionTests.diff, usage.txt,
userSchemaPrototyping.diff, userSchemaPrototyping.diff, userSchemaPrototyping.diff, 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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