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ObjectDB version 2.2 has been released

database corruption bug (issue #187). Fixed a critical bug in schema evolution of modified ancestor
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Removing an entity throws exception

when enhancement is not in use) - after schema evolution. Therefore, starting with a new database
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Schema-Update: Rename superclass and remove one subclass

. It demonstrates well a bug in schema evolution that includes renaming a super class and removing
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Schema-Update: Rename superclass and remove one subclass

demonstrates a bug in schema evolution that includes renaming a super class and removing
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2

Support of modifying an ObjectDB Entity class (Schema Change)

for more information! No need for this effort. See this manual page. Schema evolution is automatic
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Update Entity references if we change the type of an entity

of automatic schema evolution at the moment, as critical parts of ObjectDB currently require references to include the exact type of the referred object. btc_es
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drop a column from table

Hi, I want to drop one column from my database table suppose i have 3 column (id, name, address) now i want to drop address. then what will be the query or procedure..   Just remove the field from the entity class. See Automatic Schema Evolution. Space in the database file will be reclaimed lazily
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[ODB1] Chapter 3 - Persistent Classes

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