[hibernate-issues] [Hibernate-JIRA] Commented: (HHH-6185) @Index doesn't create multi-column indexes

[Marc Schipperheyn (JIRA)]

    [ http://opensource.atlassian.com/projects/hibernate/browse/HHH-6185?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=42183#action_42183 ] 

Marc Schipperheyn commented on HHH-6185:
----------------------------------------

That should be: Either class level use should be made legal for the annotation or the parser should actually parse the columnNames attribute at the method level

> @Index doesn't create multi-column indexes
> ------------------------------------------
>
>                 Key: HHH-6185
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-6185
>             Project: Hibernate Core
>          Issue Type: Bug
>          Components: annotations
>    Affects Versions: 3.6.3
>            Reporter: Marc Schipperheyn
>            Priority: Minor
>
> This bug has already been referred to in ANN-597 but was incorrectly marked as solved.
> The core issue is that when the columnNames attribute is used to specify multiple columns in the index, and we use Hibernate to generate the database, only one column is actually turned on in the index.
> According to the Hibernate team this is because if you want to use the columnNames attribute, you have to use the annotation at the class level. However, this is considered illegal use and therefore not possible.
> Either class level use should be made legal for the annotation or the parser should actually parse the columnNames attribute at the classlevel. The latter seems more logical. In the end, it is a major inconvenience not to mention error prone to manually have to specify all the combined Index Fields.

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