[hibernate-issues] [Hibernate-JIRA] Commented: (HHH-5715) Using row_number with the SQLServerDialect makes select distinct useless

[Strong Liu (JIRA)]

    [ http://opensource.atlassian.com/projects/hibernate/browse/HHH-5715?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=42455#action_42455 ] 

Strong Liu commented on HHH-5715:
---------------------------------

Maros, can you provide a test case, so i can easier to test it, thanks (and it is much better if you have a patch to fix it, then go ahead an create a pull request)

> Using row_number with the SQLServerDialect makes select distinct useless
> ------------------------------------------------------------------------
>
>                 Key: HHH-5715
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-5715
>             Project: Hibernate Core
>          Issue Type: Bug
>          Components: core
>            Reporter: Yoryos Valotassios
>            Assignee: Strong Liu
>             Fix For: 3.6.1, 3.x
>
>
> Given class A with one to many relations to class B, when trying to get paginated data with SQLServerDialect from class A with a join clause to class B will dublicated A instances. That is because the row_number function will introduce another value to the select statement which will alway be different for each row. I found a work around using group by. Did not have time finish the test cases yet.

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