1. JPA NamedQuery does not pick up changes to modified Entity stackoverflow.comI have a method that retrieves Entities using a NamedQuery. I update a value of each entity and then run another named query (in the same method and Transaction) filtering by ... |
2. Nhibernate order of SQL statements when flushing session stackoverflow.comAccording to NHibernate documentation, SQL statements are issued in the following order when a session is flushed:
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3. nhibernate one-to-many cascade all session flush not refreshing graph of entites stackoverflow.commy code can be found on this link : problem with NHibernate one-to-many relationship Collection with cascade I created a parent enitiy and then I add children for it with ... |
4. Clearing session, flushing, refreshing, after hibernate bulk updates? stackoverflow.comAs we know, when doing a bulk update to the DB with hibernate (even in HQL), the changes made are not replicated to the entities stored in the current session. So i ... |
5. Hibernate: Refresh, Evict, Replicate and Flush stackoverflow.comI wish I knew what exactly does each item in this list, how it works, what the consequences and when is the correct time to use.
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6. Hibernate 3.3.2 not flushing inserts before selects coderanch.comHi, I do not get any error messages as the entity manager is flushed when the transaction commits. In short here is my code all within a single transaction: for(Charge charge : list) { invoice(charge); } /* * if an invoice exists for the charge add it * otherwise create a new invoice */ private void invoice(Charge charge) { Invoice invoice ... |
7. Unwanted SELECTs on session flush (HIBERNATE Wrong) coderanch.comHi All my question about what does hibernate do on flush in the OneToMany relations ?? I will explain the problem with a simple example: I have three entities A,B,C A-B one to many B-C one to many I have one object from A and it container 10 children from B. and there is no objects from C the mistake is ... |
8. No auto flush after save before select -why??? forum.hibernate.org// no transaction session.setFlushMode(FlushMode.AUTO); // no change with ALWAYS session.save(new Book("THE ASSOCIATE")); // book has title only, set by constructor session.save(new Book("CROSS COUNTRY")); session.save(new Book("COVET")); session.save(new Book("HEAT LIGHTNING")); System.out.println(session.createQuery("select count(*) from Book").uniqueResult()); // prints 0 System.out.println(session.get(Book.class, 1l)); // prints book instance System.out.println(session.createQuery("select count(*) from Book").uniqueResult()); // prints 0 session.flush(); System.out.println(session.createQuery("select count(*) from Book").uniqueResult()); // prints 4 |
9. SQL order for Update after flush forum.hibernate.orgHello, I have a question, i have a entity : Person. String Name String FirstName. I load object in session, I change only the Name with the setter and when the Session is flush the SQL order is : Update Person set name = "", firstName ="" where id = "". The firstName is changed too ! It's possible ta have ... |
10. Why does hibernate flush on a readonly query ? forum.hibernate.orgVersion: 3.2.6 Ga I am using auto flush in my application to flush my session. According to the documentation, hibernate flushes the session before a query to make sure that no stale data is returned which is good. However, when i look at the performance of my application, out of 30 seconds of activity, 28 seconds is spent trying to retreive ... |
11. Can I predict the order of flushing encapsulated entities? forum.hibernate.orgHi all, Short Version of Question: Suppose I have an object named Employee. Employ encapsulates other objects such as Address, Supervisor, etc. When changes are made to the Employee and its associations, is the order in which the associated/encapsulated objects stored/flushed predictable or consistent? More detailed explanation of question: For example, can one always say that the Address will be updated ... |
12. Flushing Session during "Session.find" forum.hibernate.orgHi, Does the Hibernate "flushes" the Session when we execute a "find" method on Session. Ours a 3 tier web application and the Hibernate Session are managed by ThreadLocal way . I am doing a simple "find" on the session and then after getting the result, i am closing the session -- but when i look at the log file generated ... |
13. Automatic updates on flush when doing select forum.hibernate.orgIm stuck with a little problem using Hibernate. Im doing a plain "find" on an object (Called A), and when the session flushes it does an update on the table. Why is that?. I dont modify ANY part of the object. I have overriden equals, hashCode and toString. Object A has a Set of Objects B. (lazilly loaded). It has one ... |
14. how can i change the session flush order forum.hibernate.orgThe SQL statements are issued in the following order 1. all entity insertions, in the same order the corresponding objects were saved using Session.save() 2. all entity updates 3. all collection deletions 4. all collection element deletions, updates and insertions 5. all collection insertions 6. all entity deletions, in the same order the corresponding objects were deleted using Session.delete() |
15. Delete object; Flush session; Session.find gets object forum.hibernate.orgtry { Session session = currentSession(); // opens session session.delete(merchantAttributeDTOobj); } catch (HibernateException e) { ... |
16. Unexpected behavior on Select - Updating during Flush forum.hibernate.org[b]Hibernate version:[/b] 3.1.3 [b]Full stack trace of any exception that occurs:[/b] [b]Name and version of the database you are using:[/b] Sybase, vers ? I need some help understanding hibernate behavior - I have to select a large collection using IDs in an IN (x,y,...z) clause. There is a limitation as to the number of elements I can use so I have ... |
17. session.find result in flush forum.hibernate.orgIn the book "Hibernate A J2EE Developer's guide" ISBN : 0-321-26819-9 it is written that Certain session.find() or session.iterate() will cause a flush to occur automatically. I dont get any exception, but I can se that the onFlushDirty in the Interceptor is called the executing this line : List l = session.find("select from Authority as au where au.code=? and au.type.sid=? and ... |
18. NEWBIE - flush() after SELECT causes DB updates forum.hibernate.orgAuthor Message philipharvey44 Post subject: NEWBIE - flush() after SELECT causes DB updates Posted: Wed Aug 16, 2006 7:00 am Newbie Joined: Wed Aug 16, 2006 6:31 am Posts: 2 Hi, I've got a parent/child relationship between classes HistoricalNote and NoteItem. My problem is that when I do a "select all" on HistoricalNote, I see the NoteItem table not ... |
19. How can find out what hiberante is trying to do in a flush forum.hibernate.orgHi I've got an odd problem. We're Using Hibernate 3 and Spring 2 on weblogic 9.1 and an Oracle 10g backend and I have come upon a strange problem. When making a call to our srvices layer to persist an object I get this error [code]java.lang.ClassCastException: java.util.ArrayList at org.hibernate.type.SetType.wrap(SetType.java:39) at org.hibernate.event.def.WrapVisitor.processArrayOrNewCollection(WrapVisitor.java:84) at org.hibernate.event.def.WrapVisitor.processCollection(WrapVisitor.java:51) at org.hibernate.event.def.AbstractVisitor.processValue(AbstractVisitor.java:101) at org.hibernate.event.def.WrapVisitor.processValue(WrapVisitor.java:98) at org.hibernate.event.def.AbstractVisitor.processEntityPropertyValues(AbstractVisitor.java:55) at org.hibernate.event.def.DefaultFlushEntityEventListener.wrapCollections(DefaultFlushEntityEventListener.java:178) ... |
20. Controlling query order during Flush in Hibernate forum.hibernate.orgI have a transaction that has more than one query stored internally by hibernate. It contains both updates and inserts. When flush() is called at the end of the transaction I want the queries to be executed in the order in which the session.insert() and session.update() were called. Right now Hibernate is collating all inserts and then all updates and flushing ... |
21. Select Before Update, DB Snapshots and flushing behavior forum.hibernate.orgExpert Joined: Sat Jan 17, 2004 2:57 pm Posts: 317 Location: In the basement in my underwear Hibernate version: 3.2.5 Name and version of the database you are using: Oracle 10g I'm seeing some behavior that I'm not sure is by design with db snapshots and flushing. We've got a custom persister that attempts to keep track of individual changes to ... |
22. How to flush only selected objects in session? forum.hibernate.orgWe are using the "Session-per-conversation" pattern in a web application, with the application tier handling the starting and ending of a conversation, But we also have the requirement where during the conversation, we have to save only some of the session objects (not every thing in the session). The below example is a toned down version of what is happening in ... |
23. Why hibernate flush on readonly query ? forum.hibernate.orgI am using the lastest stable hibernate version (3.3.1) Anyway: I am using auto flush and during a tx I perform a query-read from the db to do dome validation before performing saveOrUpdate. Hibernate will perform a flush just before the query is executed like stated in the hibernate book. However, my query is marked as readOnly on the Query interface. ... |
24. Flushing Query forum.hibernate.orgI have a class which executes a named-query. When executed as a unit test the query flushes the entity manager before execution however when deployed to weblogic server the query is not flushed prior to execution. My unit test setup is using JTA transactions and hypersonic db. My production setup is weblogic and oracle. Could anyone explain why the behaviour is ... |
25. Hibernate EM-3.3.2 not flushing inserts before selects forum.hibernate.org |