[hibernate-issues] [Hibernate-JIRA] Commented: (HHH-4590) CASTs from CriteriaBuilder.toXXX methods still need to be fleshed out

[Steve Ebersole (JIRA)]

    [ http://opensource.atlassian.com/projects/hibernate/browse/HHH-4590?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=34962#action_34962 ] 

Steve Ebersole commented on HHH-4590:
-------------------------------------

accounted for sql cast types from CastFunction.  However, the intent of these toXXX() still largely undefined and we may not be able to use sql casting as we currently arer (the javadocs say toXXX methods are supposed to return the same Expression *instance*; yuck!)

> CASTs from CriteriaBuilder.toXXX methods still need to be fleshed out
> ---------------------------------------------------------------------
>
>                 Key: HHH-4590
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-4590
>             Project: Hibernate Core
>          Issue Type: Bug
>          Components: entity-manager, query-criteria, query-hql
>            Reporter: Steve Ebersole
>            Assignee: Steve Ebersole
>          Time Spent: 30 minutes
>  Remaining Estimate: 0 minutes
>
> The difficulty here is in terms of SELECT clause.  If the casts are to be allowed in the SELECT clause then we need to dynamically account for the underlying org.hibernate.type.Type to use to read the results.
> Problematic because criteria is supposed to mirror the capabilities of the "query language", but there is no mention of any such functionality in the "query language" section.

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