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https://issues.apache.org/jira/browse/DERBY-2998?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Thomas Nielsen updated DERBY-2998:
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Attachment: d2998-7.stat
d2998-7.diff
Thanks for taking the time to all of you. Confirmation that I'm on the right
path is also very good to get.
I was under the impression that
ROW_NUMBER() OVER ()
was compliant and meaning over the unsorted resultset. This construct was
indeed what I was hoping to have ready for 10.4. I'll have another look at the
spec, but would appreciate if someone else could have a look as well. It's not
an easy read.
Based on your comments I've attached 'd2998.7.diff' which requires the OVER ()
window specfication in sqlgrammar.jj, and a patch for the test with the
necessary changes.
> Add support for ROW_NUMBER() window function
> --------------------------------------------
>
> Key: DERBY-2998
> URL: https://issues.apache.org/jira/browse/DERBY-2998
> Project: Derby
> Issue Type: Sub-task
> Components: SQL
> Reporter: Thomas Nielsen
> Assignee: Thomas Nielsen
> Priority: Minor
> Attachments: d2998-4.diff, d2998-4.stat, d2998-5.diff, d2998-5.stat,
> d2998-6.diff, d2998-6.stat, d2998-7.diff, d2998-7.stat, d2998-test.diff,
> d2998-test.stat, d2998-test2.diff, d2998-test2.stat, d2998-test3.diff,
> d2998-test3.stat
>
>
> As part of implementing the overall OLAP Operations features of SQL
> (DERBY-581), implement the ROW_NUMBER() window function.
> More information about this feature is available at
> http://wiki.apache.org/db-derby/OLAPRowNumber
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