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https://issues.apache.org/jira/browse/DERBY-3444?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12571500#action_12571500
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Daniel John Debrunner commented on DERBY-3444:
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Just for background info I looked at the various demos excluding those that
existed at time of the initial contribution:
DERBY-422 - toursdb - Defined as contribution of existing code, jira issue
(actually to create a new demo) entered months before code contribution.
(~20 new files including some test code, ~5,000 lines in patch)
DERBY-1596 - WWD - Code contributed ~4 months after the WWD effort (DERBY-913)
was kicked off. Is in the style of a tutorial.
(~5 new files, ~650 lines in patch)
DERBY-1936 - localcal - Similar approach to the tearoff - jira issue entered to
create a demo, code contributed around an hour later.
(~17 new files, ~3,000 lines in patch)
DERBY-1993 - scores - Defined as contribution of an existing demo for a
presentation
(~ 10 new files, ~2,900 lines in patch)
DERBY-3129 - vti - - natural outcome of open development for table functions
(~24 new files, ~20,500 lines in patch)
DERBY-3190 - simplemobile - expansion of an existing demo
(2 new files, ~800 lines in patch)
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Thoughts:
DERBY-422, 1596, 3129 & 3190 all provided the opportunity for others to be
involved.
All demos provided basic complete working code in initial patch. I think the
size of the patches for DERBY-1596 & 3190 are reasonable
for a contribution to provide an initial version. DERBY-1993 is probably
borderline.
DERBY-422 could be seen as a missing part of the original contribution since
the documentation referred to it. I don't know if at
the initial time of contribution it was stated by IBM that the demo would
follow, I remember the tests were planned to be contributed later.
We need to do a better job of encouraging open development and incremental
development around demos.
> 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: 10.4.0.0
> 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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