[hibernate-issues] [Hibernate-JIRA] Commented: (HHH-7165) ount query on classes mapped as EmbeddedId with multiple Id's fail to execute

[Strong Liu (JIRA)]

    [ https://hibernate.onjira.com/browse/HHH-7165?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=45925#comment-45925 ] 

Strong Liu commented on HHH-7165:
---------------------------------

https://issues.jboss.org/browse/JBPAPP-8427

> ount query on classes mapped as EmbeddedId with multiple Id's 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

--
This message is automatically generated by JIRA.
For more information on JIRA, see: http://www.atlassian.com/software/jira