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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 resolved DERBY-2487.
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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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