[hibernate-issues] [Hibernate-JIRA] Resolved: (HHH-4086) improving the performance of the object loading in hibernate

[Strong Liu (JIRA)]

     [ http://opensource.atlassian.com/projects/hibernate/browse/HHH-4086?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Strong Liu resolved HHH-4086.
-----------------------------

    Resolution: Rejected

> improving the performance of the object loading in hibernate
> ------------------------------------------------------------
>
>                 Key: HHH-4086
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-4086
>             Project: Hibernate Core
>          Issue Type: Task
>          Components: query-hql
>    Affects Versions: 3.2.3
>         Environment: hibernate 3.2.3 ga, oracle
>            Reporter: shubha
>            Priority: Critical
>   Original Estimate: 16h
>  Remaining Estimate: 16h
>
> 			_sessions = SessionFactoryUtil.getSessionFactory();
> 			session = _sessions.openSession();
> 			Query query = session.getNamedQuery(queryName);
> 			tx = session.beginTransaction();
> 			results = query.list();
> 			System.out.println(results.size());			
> 			tx.commit();
> i am trying to get a collection of objects from query.list(). Even though the SQL generated from hibernate runs very fast in oracle, the O/R mapping in case of hibernate is taking lot of time. To fetch around 15 thousand records it takes 8 to 12 minutes. I am using left join fetch on the query

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