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!!! Hibernate Frequently Asked Questions !!!

What does session.refresh() do ?

!!!Answer!!!- From Technical Expert

It is possible to re-load an object and all its collections at any time, using the refresh() method. This is useful
when database triggers are used to initialize some of the properties of the object.
For Example - Triger on cat_name coulmn. Trigger is updating hit_count coulmn in the same Cat Table. When Insert data into Cat TABLE trigger update hit_count coulmn to 1. sess.refresh() reload all the data. No nned again to select call.
sess.save(cat);
sess.flush(); //force the SQL INSERT
sess.refresh(cat); //re-read the state (after the trigger executes)

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