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From "Bryan Pendleton (JIRA)" <j...@apache.org>
Subject [jira] Updated: (DERBY-2887) NULLS FIRST / LAST for ORDER BY
Date Wed, 25 Jul 2007 15:25:31 GMT

     [ https://issues.apache.org/jira/browse/DERBY-2887?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Bryan Pendleton updated DERBY-2887:

    Attachment: prototypeCodeNoTests_v3.diff

Attached is prototypeCodeNoTests_v3.diff, updated in response to the various suggestions.

This version 3 patch is much simpler than the previous two; Dan's ideas about sharing common
code into DataType.java were a big win.

My next steps will be to: add some new tests, investigate the sort avoidance issue, and track
down a diff in the Wisconsin tests involving outer joins. All the other existing tests pass.

> -------------------------------
>                 Key: DERBY-2887
>                 URL: https://issues.apache.org/jira/browse/DERBY-2887
>             Project: Derby
>          Issue Type: Improvement
>          Components: SQL
>            Reporter: Christian d'Heureuse
>            Assignee: Bryan Pendleton
>            Priority: Minor
>         Attachments: prototypeCodeNoTests.diff, prototypeCodeNoTests_v2.diff, prototypeCodeNoTests_v3.diff
> I suggest to implement the "null ordering" option for the "ORDER BY" clause:
> According to the SQL standard, 10.10 <sort specification list>:
>  <null ordering> ::=
>     | NULLS LAST

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