[hibernate-issues] [Hibernate-JIRA] Created: (HHH-3025) Unwanted select statement issued for each not-found=ignore

[Julien HENRY (JIRA)]

Unwanted select statement issued for each not-found=ignore
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                 Key: HHH-3025
                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-3025
             Project: Hibernate3
          Issue Type: Bug
    Affects Versions: 3.2.5
         Environment: Win XP
Oracle 9i
            Reporter: Julien HENRY


Hi,

I just want to report that I was bitten by the same bug reported on NHibernate JIRA : http://jira.nhibernate.org/browse/NH-1001

not-found="ignore" is set on a many-to-one (not-null="false") element that I retrieve using a Criteria query and using FechMode.JOIN. Hibernate have everything needed in the first query to know whether the foreign entity exists. But it performs an additional query.

I'm retrieving a big list of entity, and I'm using FetchMode.JOIN to prevent N+1 select. But this bug waste my efforts.

Thanks

Julien

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