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[hibernate-issues] [Hibernate-JIRA] Updated: (HHH-465) order by
 nulls first / last

Anupam M (JIRA)

2008-07-02


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  [ http://opensource.atlassian.com/projects/hibernate/browse/HHH-465?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Emilio Dolce updated HHH-465:
-----------------------------

  Attachment: CustomNullsFirstInterceptor.java

In the meantime fell free to use this interceptor.

> order by nulls first / last
> ---------------------------
>
>           Key: HHH-465
>           URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-465
>         Project: Hibernate3
>       Issue Type: Improvement
>       Components: core
>   Affects Versions: 3.0.3
>        Reporter: Anthony Patricio
>        Priority: Minor
>      Attachments: CustomNullsFirstInterceptor.java
>
>
> support of nulls first / last in order clause
> "NULLS LAST" is part of the SQL 99 standard.
> The syntax is as follows:
> ORDER BY [COLUMN NAME] [ASC | DESC] [NULLS FIRST | NULLS LAST]
> In different DBs, the sorting of nulls relative to other values is handled differently.
> PostgreSQL - Nulls are considered HIGHER than non-nulls.
> DB2 - Higher
> MSSQL - Lower
> MySQL - Lower
> Oracle - Higher
> The following DBs have supported this functionality:
> DB2 V7
> Oracle 9i
> PostgreSQL, MySQL, SQLServer do not appear to support this from what I can gather.
> see http://forum.hibernate.org/viewtopic.php?t=942176&start=0&postdays=0&postorder=asc&highlight=

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