[hibernate-issues] [Hibernate-JIRA] Closed: (HHH-3938) One-To-One Filter Applied, Non-Lazy Fetch Problem

[Steve Ebersole (JIRA)]

     [ http://opensource.atlassian.com/projects/hibernate/browse/HHH-3938?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Steve Ebersole closed HHH-3938.
-------------------------------

    Resolution: Rejected

See the other.

> One-To-One Filter Applied, Non-Lazy Fetch Problem
> -------------------------------------------------
>
>                 Key: HHH-3938
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-3938
>             Project: Hibernate Core
>          Issue Type: Improvement
>          Components: core
>    Affects Versions: 3.3.1
>            Reporter: Sandeep Vaid
>            Priority: Critical
>         Attachments: EntityJoinWalker.java
>
>
> Suppose i have one-to-one association between Product and ProductBasic. and we have applied filter on ProductBasic Class.
> I have applied this filter as in Java side we have one-to-one relationship between Product and ProductBasic BUT at database side
> we have one-to-many relationship between PRODUCT and PRODUCTBASIC. and we apply a condition (STARTTIME < CURRETTIME < ENDTIME)
> while fetching PRODUCTBASIC, and this will always give me one record out of many.
> So i have put this condition as filter in ProductBasic class.
> In current hibernate, one-to-one associations are always non-lazily fetched. Moreover it doesn't apply filter conditions.
> I understand that it can;t apply filter condition as some filter parameter must be provided at runtime and
> user may not provide them (as he is not asking for ProductBasic)... Also in this case, proper proxy can't be created as 
> until we apply the filter criteria, we won't get one ProductBasic row (among many)..
> I think hibernate code should be changed so that if a filter is declared on the associated class (ProductBasic in our case), 
> hibernate should return null for ProductBasic.

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