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update columns

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kaza7

Post subject: update columns

Posted: Fri Jan 22, 2010 12:00 pm

Newbie

Joined: Mon Jan 11, 2010 11:05 am
Posts: 8

on the faq of hibernate :

Quote:

Updating only the modified columns. Hibernate knows exactly which columns need updating and, if you choose, will update only those columns

Could you explain me how does hibernate do to know exactly each column were modified?

Thanks

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Cameron McKenzie

Post subject: Re: update columns

Posted: Sat Jan 23, 2010 3:06 pm

Expert

Joined: Tue May 13, 2008 3:42 pm
Posts: 919
Location: Toronto & Ajax Ontario www.hibernatemadeeasy.com

It keeps track of which fields in the entity have changed.

_________________
Cameron McKenzie - Author of "Hibernate Made Easy" and "What is WebSphere?"
http://www.TheBookOnHibernate.com Check out my 'easy to follow' Hibernate & JPA Tutorials

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kaza7

Post subject: Re: update columns

Posted: Wed Jan 27, 2010 9:11 am

Newbie

Joined: Mon Jan 11, 2010 11:05 am
Posts: 8

yes, but using what process exactly?

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