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JohnRock
 Post subject: How to batch update with JPA?
PostPosted: Fri Mar 27, 2009 12:01 am 
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Joined: Sat Feb 07, 2009 4:08 pm
Posts: 22
Location: New York City
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 done?
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