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https://issues.apache.org/jira/browse/DERBY-2487?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12679879#action_12679879
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Bryan Pendleton commented on DERBY-2487:
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Thanks everyone for the feedback. These are all good ideas. I intend to pursue
the notion of writing the data to ordinary user tables, using some blend of
the APIs that Knut and Rick suggested.
I'll be back later with the results of that investigation.
> 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, removeSourceDepth.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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