[hibernate-issues] [Hibernate-JIRA] Updated: (HHH-7165) Count query on classes mapped as EmbeddedId with multiple Id columns fail to execute

Gail Badner (JIRA) noreply at atlassian.com
Tue Mar 13 04:45:48 EDT 2012


     [ https://hibernate.onjira.com/browse/HHH-7165?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gail Badner updated HHH-7165:
-----------------------------

    Summary: Count query on classes mapped as EmbeddedId with multiple Id columns fail to execute  (was: ount query on classes mapped as EmbeddedId with multiple Id's fail to execute)

> Count query on classes mapped as EmbeddedId with multiple Id columns fail to execute
> ------------------------------------------------------------------------------------
>
>                 Key: HHH-7165
>                 URL: https://hibernate.onjira.com/browse/HHH-7165
>             Project: Hibernate ORM
>          Issue Type: Bug
>          Components: core
>    Affects Versions: 4.1.1
>            Reporter: Ståle W. Pedersen
>            Assignee: Gail Badner
>         Attachments: column-count-test.tar.bz2
>
>
> When doing a count on a class mapped as EmbeddedId with multiple Id's the generated sql will fail on several db's (tested on MySQL/MariaDB) since hibernate generate a count sql containing all the id's.
> Hibernate creates a different (correct) sql on classes mapped with IdClass and multiple Id's.
> A simple test that verify the difference between the two:
> https://github.com/stalep/hibernate-orm/commit/54911765de7981ec9a2318fc9928be68ff37bab3

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