Em.Refresh() Issues An Update Statement When Issued In A Transaction
Last updated on APRIL 27, 2012
Applies to:Oracle TopLink - Version 18.104.22.168.0 and later
Information in this document applies to any platform.
Loading an entity which has a @PreUpdate method to the cache and needing to
use the em.refresh() method on this entity.
When em.refresh() method call is enclosed in a transaction, @PreUpdate is
triggered and update statement is fired to the database.
The em.refresh() method is supposed to be a read-only operation that treats database as
source of truth and updates the cache. No update statement should be
generated and the @PreUpdate function should not be triggered.
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