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From "Bryan Pendleton (JIRA)" <j...@apache.org>
Subject [jira] Commented: (DERBY-4896) Would like more detail on what PlanExporter means by the term "advanced"
Date Wed, 10 Nov 2010 15:34:13 GMT

    [ https://issues.apache.org/jira/browse/DERBY-4896?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12930626#action_12930626
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Bryan Pendleton commented on DERBY-4896:
----------------------------------------

This part of the tool seems like it could do with some cleanup. It feels like the argument
syntax is a bit muddled, and looking at the argument processing code it seems like
it could be simplified. The code seems to want to know more about the type of output
that is being produced than it should need to know. 

Naively, it seems like all we ought to need to specify to the PlanExporter is "what plan to
export", "where to put it", and, optionally, "which stylesheet to run to emit the desired
output".

For the time being, though (10.7), we should probably just try to document the current
behavior as clearly as we can, and we can refine the tool's behavior down the road.


> Would like more detail on what PlanExporter means by the term "advanced"
> ------------------------------------------------------------------------
>
>                 Key: DERBY-4896
>                 URL: https://issues.apache.org/jira/browse/DERBY-4896
>             Project: Derby
>          Issue Type: Improvement
>          Components: Documentation
>    Affects Versions: 10.7.1.0
>            Reporter: Rick Hillegas
>
> 1) The PlanExporter documentation uses the term "advanced style sheets". It would good
to say something more about what we mean by "advanced". Does "advanced" just mean that the
style sheet can contain javascript? If so, it would be good to say so.
> 2) Derby supplies two "advanced" style sheets. I think it is worth saying something about
what these style sheets do for you. Perhaps something as simple as this: "Derby supplies two
advanced style sheets which use javascript to expand and collapse the details of query plan
nodes."

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