[Hibernate-issues] [Hibernate-JIRA] Updated: (HHH-1685) DetachedCriteria doesn't create alias on subcriteria

[John (JIRA) <no...@at...>]

     [ http://opensource.atlassian.com/projects/hibernate/browse/HHH-1685?page=all ]

John updated HHH-1685:
----------------------

    Attachment: hhh1685-example.txt

Added the example as an attachment since the formatting was screwed up in the comment

> DetachedCriteria doesn't create alias on subcriteria
> ----------------------------------------------------
>
>          Key: HHH-1685
>          URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-1685
>      Project: Hibernate3
>         Type: Bug

>   Components: query-criteria
>     Versions: 3.1.3
>     Reporter: John
>  Attachments: hhh1685-example.txt
>
>
> DetachedCriteria has two createCriteria methods:
> 	public DetachedCriteria createCriteria(String associationPath)	throws HibernateException 
> 	public DetachedCriteria createCriteria(String associationPath, String alias) throws HibernateException
> However, the code for both was identical - they called the inner criteria's createCriteria(String) method. The version with the alias did not call the inner's version with the alias.  The following patch snipped shows the change:
>  	public DetachedCriteria createCriteria(String associationPath, String alias)
>  	throws HibernateException {
> -		return new DetachedCriteria( impl, criteria.createCriteria(associationPath) );
> +		return new DetachedCriteria( impl, criteria.createCriteria(associationPath, alias) );
>  	}
> This bug was discovered while trying to link a 2-deep subquery to its parent via aliases.  (Surfacing this issue might only be possible with the patch HHH-952 in place - I'm not sure.  Seems like a bug regardless, as it definitely fixed my alias reference issue.)  I'll get an example posted shortly.

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