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From "Daniel John Debrunner (JIRA)" <j...@apache.org>
Subject [jira] Commented: (DERBY-3444) Tearoff database demo
Date Thu, 21 Feb 2008 21:45:19 GMT

    [ https://issues.apache.org/jira/browse/DERBY-3444?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12571195#action_12571195

Daniel John Debrunner commented on DERBY-3444:

The patch has around 40 new files and 11,616 lines.

This leads me to some concerns IP and community wise.

IP - this seems to fall more into a software grant than a patch, given:
          - the code seems to be developed by Sun Microsystems for one of their events
          - the size of the contribution

Community wise, this does not seem like open, collaborative on-list software development,
it has the feeling of a code dump. Announced to the list at 3:03pm and a complete patch at
3:17pm. (apparently demo'ed at the Sun event almost a month earlier according to a blog entry).

I must admit I sometimes struggle with the concept of what it means to develop "on-list",
is trying something out first and then discussing it on or bringing it to the list considered
open development? E.g. I did that within the last couple of days, wrote a utility class for
JMX on the bus home two days ago and then sent an e-mail to the list today (and hopefully
a patch soon). I think the differences here are:

   - this demo is a large effort and there was no effort to include anyone else
   - my jmx code is an extension of a Derby concept undergoing open development with at least
three active developers
   - the jmx code is a couple of classes, maybe 150 lines.

My code dump concern is also based upon the history that the Derby community is not really
about building complex demos, it's about building database technology. The calendar demo shows
this, a similar code contribution that has not engaged the community at all, and Apache is
about community not code.

Not sure what to do here, I don't think there's a strict guideline about when such a contribution
would be accepted or not. For example I could see a similar sized contribution with a similar
approach might be accepted if it was core database technology as I would be more confident
that others would get involved to develop it and the community around it. Though of course
I would prefer that a contributor engaged in open development before implementing an entire

> Tearoff database demo
> ---------------------
>                 Key: DERBY-3444
>                 URL: https://issues.apache.org/jira/browse/DERBY-3444
>             Project: Derby
>          Issue Type: Task
>          Components: Demos/Scripts
>    Affects Versions:
>            Reporter: Rick Hillegas
>         Attachments: derby-3444-01-initial.diff
> Create a demonstration of tearoff databases. This shows how to use arbitrary, parameterized
queries to tearoff datasets from an arbitrary server-hosted database and load those datasets
into a Derby database running on a handset.

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