[hibernate-issues] [Hibernate-JIRA] Closed: (HHH-1076) FETCH JOIN with DISTINCT returns duplicate values

[Steve Ebersole (JIRA)]

     [ http://opensource.atlassian.com/projects/hibernate/browse/HHH-1076?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Steve Ebersole closed HHH-1076.
-------------------------------


Closing stale resolved issues

> FETCH JOIN with DISTINCT returns duplicate values
> -------------------------------------------------
>
>                 Key: HHH-1076
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-1076
>             Project: Hibernate Core
>          Issue Type: Bug
>          Components: core
>    Affects Versions: 3.1 rc2
>         Environment: Windows XPSP2, Hibernate 3.1rc2, JDK 5.0_05, MySQL 5.0.13 / PostgreSQL 8.1beta3
>            Reporter: Juergen Zimmermann
>         Attachments: fetch.zip
>
>
> When I make a fetch join (left outer join with FETCH clause) I get duplicated return values even when I specify DISTINCT. Without the FETCH keyword no duplicates are returned.
> Examples (see attached test case):
> * SELECT DISTINCT c.id FROM CustomerData c LEFT JOIN FETCH c.orders o WHERE c.name = 'Alpha' AND o.id > 0
> * SELECT DISTINCT c.id FROM CustomerData c LEFT JOIN c.orders o WHERE c.name = 'Alpha' AND o.id > 0
> JAR files are not uploaded due to upload restrictions of my proxy server: commons logging, db driver, hibernate jars

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