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From "Daniel John Debrunner (JIRA)" <j...@apache.org>
Subject [jira] Commented: (DERBY-2998) Add support for ROW_NUMBER() window function
Date Thu, 13 Dec 2007 16:00:43 GMT

    [ https://issues.apache.org/jira/browse/DERBY-2998?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12551544
] 

Daniel John Debrunner commented on DERBY-2998:
----------------------------------------------

Thanks Thomas, I agree that the implementation path you are on is good approach, but at some
point someone will want to produce a release that is branched off the trunk, we just need
to ensure that non-standard use of ROW_NUMBER is not supported. That would either mean disabling
ROW_NUMBER in the branch (e.g. 10.4) or not supporting non-standard use in the trunk at any
time.
Probably any decision can be deferred until closer to the next release, which is due in Feb.
Note that the 10.4 wiki page does indicate that ROW_NUMBER() is to be supported in 10.4, from
the comments in this issue it seems unlikely a conformant ROW_NUMBER will be finished by then??

> 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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