1. When hibernate session closed retrieve table data lost coderanch.com |
2. Combine session.createFilter() with eager fetching forum.hibernate.org |
3. Session doesn't fetch the latest after using nativequery forum.hibernate.orgSession doesn't fetch the latest data from table after using nativequery to update the table. Can see the data being updated after using the native query. But after that I've used the namedquery to fetch the data from table. It doesn't refresh from database. Instead it always returns the existing object in session. I have a scenario where in the table ... |
4. Possibility to pre-fetch stuff into session-cache? forum.hibernate.orgHi, Is there a way to pre-fetch stuff into hibernate's L1 cache? E.g. I know my buissness logic somewhere deep in my code hirarchy will load entities with where key>10 and key <1000 one after another, so load all entities with a single query, instead of many small queries which load object-by-object. I know I can fetch it into a List ... |
5. Fetch data exclusivly from database - not session forum.hibernate.orgHi All, I am developing a fucntionality where in I need to get the fields which have changed in the current transaction. I use the following steps: 1. On @PreUpdate, I fetch the previous state of the object from the database (using findById()). 2. Compare the fetched object with the one I already have from the transaction 3. Print the columns ... |
6. Lazy fetching across sessions forum.hibernate.orgI am new to Hibernate/Spring and I have been running into alot of hibernate problems as I am reworking some code. Specifically with LazyInitializiationExpeception errors. Basically, we have a query layer that initializes query objects and them passes them back to all different parts of the infrastructure. The problem that I keep running into is that after the query objects are ... |
7. Pattern to retrieve needed objects before close session forum.hibernate.orgHi all. We are looking for one design pattern so we can retrieve an object and some of its childrens (one-to-one, one-to-many or many-to-many objects) before we close the session. If we are using a MVC model and we can't retrieve objects from the view (where session is closed) we need a way to make (in an automatic maner) that lazy ... |
8. Solutions on Lazy fetching (open session vs closed ) forum.hibernate.orgHi! I've just been struggling with Hibernates lazy fetch consept vs closed Sessions, but I think I found an solution (at least for now) though. The solution I'm going for is to use Hibernate.initialize( obj ) on objects/collections before I close the session, but this made me start thinking; how is actually Hibernate.initialize( obj ) working ? I mean: The reason ... |
9. left outer join fetch problem within a session forum.hibernate.orgDid anyone faced the following problem? If you left outer join fetch a collection from "the same" object with "different" where-clauses, the results of the "non-first" queries remain always similar to the the result of the "first" query. Can anyone confirm this behaviour? An Example: from Alpha as alpha1 left outer join fetch alpha.betas betas1 where betas1.number = 0 from Alpha ... |
10. Hibernate collection fetching in the same session forum.hibernate.orgAre there any solutions to the problem explained in: http://brian.pontarelli.com/2006/04/26/ ... -fetching/ Briefly: Hibernate doesnt fetch collections within a bean in the same session the beans were created in. If you need objects in those collections later on within that session, you had better put them in there. This even holds true when you go back to hibernate to refetch the ... |
11. how to retrieve the data from a cache into session forum.hibernate.orgHi, I am storing the data inside a cahe. How can i retrieve the data from a cache into session. public Country findCountryByCode(String code) { return (Country) SessionManager.currentSession() .createQuery("from Country as c where c.code = :code") .setParameter("code",code) .uniqueResult(); } and i change the hibernate.cfg.xml |
12. Session.refresh() does not fetch correct values forum.hibernate.orgHi, I have a strange problem: The Session.refresh() method does not refresh with the correct values from DB. In the log output I see that the correct SQL-Statements are generated but the returned values are not correct. When I replace the refresh() statement with get(), the correct values are returned, but then I get a new persistent instance. I tried Session.clear(), ... |