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 Post subject: Working with chunks
PostPosted: Thu Mar 18, 2004 5:18 am 
Beginner
Beginner

Joined: Wed Jan 21, 2004 10:15 am
Posts: 24
Location: Munich, Germany
Hi!

From a performance and philosophical point of view, which solution is to be preferred?

Create a fresh session every time:
Code:
foreach (chunk) {
  Session session = sf.openSession();
  Transaction tx = session.beginTransaction();
  session.doSomething();
  session.doSomethingElse();
  tx.commit();
  session.close();
}


Or recycle one session:
Code:
Session session = sf.openSession();
foreach (chunk) {
  Transaction tx = session.beginTransaction();
  session.doSomething();
  session.doSomethingElse();
  tx.commit();
}
session.close();


I looked in the documentation, and both is possible.

Thanks for your help!

Christian


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 Post subject:
PostPosted: Thu Mar 18, 2004 6:50 am 
Hibernate Team
Hibernate Team

Joined: Tue Aug 26, 2003 12:50 pm
Posts: 5130
Location: Melbourne, Australia
The first is better, since transaction commit does not clear the session cache. Or you can use Session.clear() at the start of each chunk.


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