Unexpected results when an entity with non-flushed changes is changed from read-only to
modifiable
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Key: HHH-4642
URL:
http://opensource.atlassian.com/projects/hibernate/browse/HHH-4642
Project: Hibernate Core
Issue Type: Bug
Components: core
Affects Versions: 3.5.0-Beta-2, 3.5.0.Beta-1
Reporter: Gail Badner
Assignee: Gail Badner
When an entity is changed from being read-only to modifiable, its snapshot is created from
its current state (in the session), not its persistent state (in the DB).
This can cause unexpected results when:
- an entity had non-flushed changes when it was set to read-only, or
- an entity's state (in the session) was changed after being made read-only.
If no other changes are made to the entity after being made modifiable, Hibernate will not
detect that the entity is dirty, and those changes will not be pushed to the DB. If other
changes are made, Hibernate will detect that the entity is dirty, and the newer changes
will be persisted, but the older changes may not be.
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