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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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Dyre Tjeldvoll resolved DERBY-2998.
-----------------------------------
Resolution: Fixed
Patch file: d2998-followup-doc3.diff
Committed revision 634587.
> 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: d2998-10.diff, d2998-10.stat, d2998-11.diff,
> d2998-12.diff, d2998-12.stat, d2998-13.diff, d2998-13.stat, d2998-14.diff,
> d2998-14.stat, d2998-15.diff, d2998-15.stat, d2998-16.diff, d2998-16.stat,
> d2998-17.diff, d2998-17.stat, d2998-18.diff, d2998-18.stat, d2998-19.diff,
> d2998-19.stat, d2998-4.diff, d2998-4.stat, d2998-5.diff, d2998-5.stat,
> d2998-6.diff, d2998-6.stat, d2998-7.diff, d2998-7.stat, d2998-8.diff,
> d2998-8.stat, d2998-9-derby.log, d2998-9.diff, d2998-9.stat,
> d2998-doc-1.diff, d2998-doc-1.stat, d2998-doc-2.diff, d2998-doc-2.stat,
> d2998-followup-2.diff, d2998-followup-2.stat, d2998-followup-distinct.diff,
> d2998-followup-distinct.diff, d2998-followup-distinct.stat,
> d2998-followup-doc3.diff, d2998-followup-doc3.stat,
> d2998-followup-issue1.diff, d2998-followup-issue1.stat,
> d2998-followup-issue4.diff, d2998-followup-issue4.stat,
> d2998-followup-removeunused.diff, d2998-followup-testsuite.diff,
> d2998-followup-testsuite.stat, d2998-test.diff, d2998-test.stat,
> d2998-test2.diff, d2998-test2.stat, d2998-test3.diff, d2998-test3.stat,
> d2998-test4.diff, d2998-test4.stat, d2998-test6.diff, d2998-test7.diff,
> d2998-test8.diff, d2998-test9.diff, rreffuncrownumber.html
>
>
> 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
> DERBY-2998 implements
> - framework code for windows and window function result columns.
> - the ROW_NUMBER() window function according to SQL2003
> but the implementation is limited by
> - only supporting an empty, unnamed, inline window definition (i.e the
> full, unordered resultset)
> - not being fully optimized
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