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https://issues.apache.org/jira/browse/DERBY-2998?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12551121
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Daniel John Debrunner commented on DERBY-2998:
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Is there a write-up on what this issue is planning to produce?
The linked to wiki page clearly shows the syntax but most of the current
examples in the test (and in most comments in this issue) do not follow that
syntax.
E.g. select row_number(), t1.* from t1
I understand that it's a work in progress, but is the final aim to support more
than
ROW_NUMBER() OVER <window name or specification>
and hence have non-standard expressions? Or are the non-standard examples just
a interim development step that will be removed before any release?
http://wiki.apache.org/db-derby/OLAPRowNumber
> 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-test.diff, d2998-test.stat,
> d2998-test2.diff, d2998-test2.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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