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Message-ID: <24103315.81151289823973290.JavaMail.jira@thor>
Date: Mon, 15 Nov 2010 07:26:13 -0500 (EST)
From: "Knut Anders Hatlen (JIRA)" <jira@apache.org>
To: derby-dev@db.apache.org
Subject: [jira] Resolved: (DERBY-4587) Add tools for improved analysis and
 understanding of query plans and execution statistics
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     [ https://issues.apache.org/jira/browse/DERBY-4587?page=3Dcom.atlassia=
n.jira.plugin.system.issuetabpanels:all-tabpanel ]

Knut Anders Hatlen resolved DERBY-4587.
---------------------------------------

       Resolution: Fixed
    Fix Version/s: 10.7.1.0

I've converted the remaining open sub-task to standalone improvement reques=
ts and linked them to this issue. Marking this issue as fixed in 10.7.

Thanks for all the work you've put into this, Nirmal!

> Add tools for improved analysis and understanding of query plans and exec=
ution statistics
> -------------------------------------------------------------------------=
----------------
>
>                 Key: DERBY-4587
>                 URL: https://issues.apache.org/jira/browse/DERBY-4587
>             Project: Derby
>          Issue Type: Improvement
>          Components: SQL, Tools
>            Reporter: Bryan Pendleton
>            Assignee: C.S. Nirmal J. Fernando
>             Fix For: 10.7.1.0
>
>         Attachments: AdavancedXSL-mouseover.jpg, advancedViewXSL.xsl, adv=
ancedViewXSL.xsl, advancedViewXSL2.xsl, advancedXSL-1.jpg, advancedXSL-2.jp=
g, advancedXSL-3.jpg, basic_html-2.2.jpg, basic_html-2.3.jpg, basic_html-2.=
jpg, basic_html-3.jpg, basic_html-4.1.jpg, basic_html-4.2.jpg, Derby Query =
Plan Screen Shot 2.jpg, DERBY-4587-javadoc_fix.diff, DERBY-4587-tool-2.diff=
, DERBY-4587-tool-3.diff, DERBY-4587-tool-4.diff, DERBY-4587-tool-5.diff, D=
ERBY-4587-tool-6.diff, DERBY-4587-tool-7-b.diff, DERBY-4587-tool-7.diff, DE=
RBY-4587-tool-8.diff, DERBY-4587-tool-9.1.diff, DERBY-4587-tool-9.10-eol_st=
yle_native.diff, DERBY-4587-tool-9.11-license_header_inXSL.diff, DERBY-4587=
-tool-9.12.diff, DERBY-4587-tool-9.12.diff, DERBY-4587-tool-9.12.diff, DERB=
Y-4587-tool-9.2.diff, DERBY-4587-tool-9.3.diff, DERBY-4587-tool-9.4.diff, D=
ERBY-4587-tool-9.5.diff, DERBY-4587-tool-9.6.diff, DERBY-4587-tool-9.7.diff=
, DERBY-4587-tool-9.7.diff, DERBY-4587-tool-9.8-modified.diff, DERBY-4587-t=
ool-9.8.diff, DERBY-4587-tool-9.9-formatting.diff, DERBY-4587-tool-9.diff, =
DERBY-4587-tool-test1.diff, DERBY-4587-tool-test2.diff, DERBY-4587-tool.dif=
f, derby-logo.png, Derby_Query_Plan_Screen_Shot.jpg, PostgreSQL license.jpg=
, Read_Me.txt, screenshot-1.jpg, screenshot-2.jpg, screenshot-3.jpg, Simple=
 HTML View (Pure XSL).jpg, Source.rar, test.xml, test4.xsl, vanilla_html.xs=
l, vanilla_html.xsl, vanilla_html.xsl, vanilla_html.xsl, vanilla_html.xsl, =
xml_doc_screenshot.jpg, xml_doc_screenshot.jpg
>
>
> I think it would be great to see some work in the area of tools for helpi=
ng
> with the analysis of complex query execution. Quite frequently, users of
> Derby have trouble comprehending (a) how their query is being translated
> into a query plan by the optimizer, and (b) what the execution-time resou=
rce
> usage of the various parts of the query is.
> There are low-level features in Derby which capture this information and
> record it, such as logQueryPlan, and the XPLAIN tables, but there is a lo=
t
> of opportunity for designing higher-level tools which can process the que=
ry
> plan and execution statistics information and present it in a more
> comprehensible fashion.=20

--=20
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