update « Batch « JPA Q&A





1. Batch Update in Hibernate    coderanch.com

2. Enabling batch updates in hibernate    coderanch.com

3. [Hibernate] One-to-many batch updating?    coderanch.com

My goal: everytime when I update the teacher, I will reassign the students to this teacher, for example, Case A: Teacher 1 have student 1,2,3, now I want to assign 4 to this teacher, but remove 1,2,3. Case B: Teacher 1 have student 1,2,3, now I want to assign 1,4,5 to this teacher My question is, Do I need to run ...

4. Batch Update is not working    forum.hibernate.org

I followed an example in the tutorial/book to the letter, scrolling with the cursor, flushing, clearing the context. It has worked; however, the sql log showed updates as separate statements. I went further to profile the database (sql server). The profiler again showed that execution happened in a non-batching manner. I tried to debug Hibernate source code, but could see that ...

5. Batch Update    forum.hibernate.org

6. Constranints violation in hibernate batch update    forum.hibernate.org

I am using EJb 3 with hybernate. I have a entity called ApplicationForm and another Entity called ClassGroup; the relationship between these two is @ManyToMany(cascade = { CascadeType.ALL }, fetch = FetchType.EAGER). I have a "save(ApplicationForm a)" metod that calls the entitymanager's save operation. I have flex front end button that triggers this method. When i hit that button few times(10 ...

7. How to expedite batch updates ?    forum.hibernate.org

We have a scenario where we need to perform several updates, but not for all columns. Code: Session session = ... session.beginTransaction(); for () { object.setPrimaryKey(key); object.setProperty(value); object.setAnotherProperty(value); session.update(object); if ( i % 3000 == 0 ) { session.flush(); session.clear(); } } .. commit ...

8. how to use batch update feature in the hibernate?    forum.hibernate.org

Thanks.My JDBC Driver is mysql mysql connector 3.08 stable.And the driver support batch mode.The following is my config file content: com.mysql.jdbc.Driver jdbc:mysql://localhost:3306/test?useUnicode=true&characterEncoding=Big5 root 10 25 ture true net.sf.hibernate.dialect.MySQLDialect ...





10. Quick Questions on Batch updates    forum.hibernate.org

After reading "how to use batch update feature in the hibernate?" I just wnated to double check a couple of things. If I want to do batch writes to the database all I have to do is set the property in the config file... 25 right? I have a few quick questions about how the batch stuff works. 1) Does ...

11. Best way for batch updates    forum.hibernate.org

12. Failed Batch update from HSQLDB?    forum.hibernate.org

I have following errors. Can some one give some idea what's wrong? the UserInfo is a one-to-one relation to User. Debug level Hibernate log excerpt: 21:33:37,765 DEBUG SQL:226 - insert into USER (EMAIL, password, type, status, subscription, nickname, lastname, firstname, point, vipPoint, authorPoint, authorVipPoint, USER_ID) values (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, null) 21:33:37,781 DEBUG ...

13. Batch update    forum.hibernate.org

14. inverse="true" and batch update    forum.hibernate.org

15. Batch updates and Components?    forum.hibernate.org

More info from the log. /Kristoffer java.lang.reflect.InvocationTargetException at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:585) at com.opensymphony.xwork.DefaultActionInvocation.invokeAction(DefaultActionInvocation.java:300) at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:166) at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:35) at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:164) at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:35) at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:164) at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:35) at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:164) at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:35) at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:164) at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:35) at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:164) at sherlock.backend.security.SecurityInterceptor.intercept(SecurityInterceptor.java:113) at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:164) at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:35) at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:164) at com.opensymphony.xwork.DefaultActionProxy.execute(DefaultActionProxy.java:116) at com.opensymphony.webwork.dispatcher.ServletDispatcher.serviceAction(ServletDispatcher.java:272) at com.opensymphony.webwork.dispatcher.ServletDispatcher.service(ServletDispatcher.java:237) at javax.servlet.http.HttpServlet.service(HttpServlet.java:336) at com.evermind._ha.doFilter(.:59) at framework.authfilter.filter.SecurityFilter.doFilter(SecurityFilter.java:193) at ...

16. Newbie Persistince Problems: Batch update returned unexpecte    forum.hibernate.org

Author Message kryptontri Post subject: Newbie Persistince Problems: Batch update returned unexpecte Posted: Tue May 10, 2005 12:29 pm Newbie Joined: Tue Jul 13, 2004 11:51 am Posts: 13 Hi, ... I am new to hibernate and need to get this simple relationship persisted :-((( please see below .. Need help with Hibernate? Read this first: http://www.hibernate.org/ForumMailingli ... AskForHelp ...





17. How to do batch update using Hibernate    forum.hibernate.org

I'm facing some problem while doing batch update .Exception reads this [java] Hibernate: insert into CHILD (name, ID) values (?, ?) [java] org.hibernate.exception.GenericJDBCException: Could not execute JDBC ch update [java] at org.hibernate.exception.ErrorCodeConverter.handledNonSpecific ption(ErrorCodeConverter.java:92) [java] at org.hibernate.exception.ErrorCodeConverter.convert(ErrorCodeC rter.java:80) [java] at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExcep Helper.java:43) [java] at org.hibernate.jdbc.AbstractBatcher.executeBatch(AbstractBatch ava:181) [java] at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.j 226) [java] at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.j 136) [java] at org.hibernate.event.def.AbstractFlushingEventListener.perform utions(AbstractFlushingEventListener.java:274) [java] at org.hibernate.event.def.DefaultFlushEventListener.onFlush(Def FlushEventListener.java:27) ...

18. Batch updates    forum.hibernate.org

19. one-to-many batch updating    forum.hibernate.org

Need help with Hibernate? Read this first: http://www.hibernate.org/ForumMailingli ... AskForHelp My goal: everytime when I update the teacher, I will reassign the students to this teacher, for example, Case A: Teacher 1 have student 1,2,3, now I want to assign 4 to this teacher, but remove 1,2,3. Case B: Teacher 1 have student 1,2,3, now I want to assign 1,4,5 to ...

20. NamingsStrategy and Batch updated    forum.hibernate.org

VARNING: SQL Error: 208, SQLState: 42S02 2006-aug-31 08:37:39 org.hibernate.util.JDBCExceptionReporter logExceptions ALLVARLIG: Invalid object name '#iep.mbr_member'. 2006-aug-31 08:37:39 org.hibernate.hql.ast.exec.AbstractStatementExecutor$2 doWork VARNING: unable to drop temporary id table after use java.sql.SQLException: Cannot drop the table '#iep.mbr_member', because it does not exist in the system catalog. at net.sourceforge.jtds.jdbc.SQLDiagnostic.addDiagnostic(SQLDiagnostic.java:365) at net.sourceforge.jtds.jdbc.TdsCore.tdsErrorToken(TdsCore.java:2781) at net.sourceforge.jtds.jdbc.TdsCore.nextToken(TdsCore.java:2224) ...

21. Batch update    forum.hibernate.org

22. batch updates in Hibernate    forum.hibernate.org

Hi, I'm doing multiple record updates, and presently updating one by one record individualy. But i have a requirement that i have to do the batch updates and the batch operation shoud continue even one record fails. Hibernate batch updates helps me to achieve this.. but i have to even get the log for failed records information( that record related data)..which ...

23. How to batch update with JPA?    forum.hibernate.org

I am trying to do a simple batch update that involves two steps: 1. select * users from user table, and sort by user.score desc 2. update user.rank based on the order they were retrieved from the first query. Assuming there may be thousands of users I want to do this in a batch update using JPA. How can this be ...

24. onPrepareStatement called twice on batch update statements    forum.hibernate.org

Hi All, I have 2 questions. 1) I've been playing with hibernate interceptors and I noticed that on batch statements the interceptor's onPrepareStatement gets called twice! Is this the normal behavior? If I want to register such an event only once what is the best way to do it (given a multi-threaded environment)? 2) While writing unit tests, I am extending ...