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334

Database Schema Evolution

after a schema change. Automatic Schema Evolution ObjectDB implements an automatic schema evolution mechanism ... might also be located in a different place in the class hierarchy. That makes automatic schema evolution ... schema evolution mechanism, as described above, is based on matching fields by their names
157

Schema evolution & renamed/moved enum

automatic schema evolution is currently not supported. If you have to update a field type into a non
157

Understanding limitations of schema evolution

Hi, I am trying to understand the limitations of schema evolution and have read the material on http://www.objectdb.com/java/jpa/entity/schema as well as the link therein regarding manual schema update when changing a field’s name Yet, i am confused regarding how to handle the case
157

Automatic schema evolution causes ArrayOutOfBoundsException

and eliminating the duplicate name field. According the ObjectDB schema evolution rules, the first change
147

Schema Evolution Question

Schema Evolution Question
28

ObjectDB Object Database Features

is optional (recommended before deployment). Schema Evolution Fully automatic schema evolution and type
26

PersistenceException: Failed to locate field

. pretty sure that in the past schema evolution would not have triggered errors, is this case, a simple new ... The schema evolution should work in this case, nothing was changed. An exception may be thrown ... and contents. So, back to this question: does schema evolution work where you're relying
14

Complex Schema Upgrade not working

schema evolution support consists of: Automatic schema evolution - for adding and removing fields
4

boolean field flips after schema update (in class) of another field

previous schema evolution changes (you might have a longer history of schema changes in deployment ... not necessarily causes exceptions, but if you are sure about the number of schema evolutions ... . We already have tests that check that schema evolution work, including when fields of all types are added
2

[ODB1] Chapter 3 - Persistent Classes

, the two referred Point instances are deleted with it. 3.5 Automatic Schema Evolution Most of the changes ... to the new schema. ObjectDB implements an automatic schema evolution mechanism, which enables transparent

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

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