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

    Attachment: updateRegressionTests.diff

I hadn't properly done 'svn add' on all the relevant files and directories,
so my previous patch attachments were missing some of the new files.
Re-attaching 'updateRegressionTests.diff'.

> 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, 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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