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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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Knut Anders Hatlen updated DERBY-2487:
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Attachment: jdbc4tests.diff
Thanks for all the work on this issue, Bryan. I'm looking forward to testing
the new functionality.
I noticed that there were some failures in jdbc4/TestDbMetaData after the
check-in:
http://dbtg.thresher.com/derby/test/tinderbox_trunk16/jvm1.6/testing/testlog/SunOS-5.10_i86pc-i386/768597-org.apache.derbyTesting.functionTests.suites.All_diff.txt
The test is only run when you use Java 6, so it's easy to miss. I took the
liberty to add the new XPLAIN functions SYSCS_GET_XPLAIN_MODE and
SYSCS_GET_XPLAIN_SCHEMA to the list of expected functions in that test (see
jdbc4tests.diff) and committed revision 768671.
> 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, 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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