[hibernate-issues] [Hibernate-JIRA] Updated: (HHH-5630) Query cache key generated for HQL with a "joined" association is the same as when the association is "fetched", even though results are different

[Gail Badner (JIRA)]

     [ http://opensource.atlassian.com/projects/hibernate/browse/HHH-5630?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gail Badner updated HHH-5630:
-----------------------------

    Summary: Query cache key generated for HQL with a "joined" association is the same as when the association is "fetched", even though results are different  (was: Query cache key generated for HQL with a "joined" association is the same as when the association is "fetched", even though cached data is different)

> Query cache key generated for HQL with a "joined" association is the same as when the association is "fetched", even though results are different
> -------------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HHH-5630
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-5630
>             Project: Hibernate Core
>          Issue Type: Bug
>          Components: query-hql
>    Affects Versions: 3.6.0.CR2
>            Reporter: Gail Badner
>            Assignee: Gail Badner
>             Fix For: 3.6.x
>
>
> The same SQL is generated for the following HQL statements:
> 1) select a from Animal a left join fetch a.offspring
> 2) select a, o from Animal a left join a.offspring o
> The QueryKey objects generated for these statements are equivalent, even though the cached data is different.
> Results from 1) will be a list of Animal objects.
> Results from 2) will be a list of Object[2]
> This can cause type mismatches when retrieving results frome the cache.

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