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From "Thomas Nielsen (JIRA)" <j...@apache.org>
Subject [jira] Updated: (DERBY-2998) Add support for ROW_NUMBER() window function
Date Mon, 25 Feb 2008 10:04:51 GMT

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

Thomas Nielsen updated DERBY-2998:

    Attachment: d2998-15.stat

d2998-15 changes:
- adds abstract class WindowFunctionColumnNode, which RowNumberColumnNode subclasses. This
makes any instanceof-checks in other parts of code generic. Common code moved from RNCN to
- simplified pulling WindowNodes into the querytree in SelectNode.genProjectRestrictNode.

The 15 patch still has the resultset numbering in the RCLof the PRN that was originally a

> 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,
d2998-4.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-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
> 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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