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95

Schema Update large refactoring

to do an automatic schema update of our database using the objectdb.conf file. The old package structure looks like ... , if it is possible to perform some sort of wildcard schema update, instead of specifying all the thousands ... to perform some sort of wildcard schema update Wildcards are not supported. > will there be any limit
93

Activation error on Schema change

, and actually any change to your schema may cause a similar exception. Please verify ... . Even when objectdb.conf with old license key where copied to new version directory. No schema change
93

Schema evolution & renamed/moved enum

to use the <schema> tag in the config file because my enum is not an entity. What is a the proper way ... automatic schema evolution is currently not supported. If you have to update a field type into a non
93

Schema Update: class hierarchy change

Hello, we try to change the class hierarchy of an Entity. You wrote www.objectdb.com/database/forum/899 that ObjectDB support automatic schema evolution for adding and removing fields and for class ... up and down in the class hierarchy as part of the automatic schema evolution
93

Is there a way to extract the schema from an existing Database?

Hi ObjectDB, Is there a way to extract the schema from an existing Database? i.e. without using my class files Thanks EKK EKK Emmanuel Keskes The schema is available for viewing in the Explorer. You may use the JPA Metamodel API to extract it using your own code. support Support
93

How does objectdb deal with conflicting schemas?

Suppose we have an objectdb network server with multiple clients connecting to it. Some clients have the latest object schema, matching that of the server. But some have an older schema, not using fields that have since been added. Will this work? FastModel Ben Schreiber This is strictly forbidden. You must have the same version of classes everywhere. support Support
19

Feature Request: Subclassed PersistenceException for Type Not Found in DB Schema

with different schemas managed by the same ObjectDB server that are sharded based on the day. We let ObjectdDB create the schema in each ODB file the first time objects are persisted. The problem is that when a process runs that querys a shard before the schema is created a generic PersistenceException
18

Compare two schemas or odb files

For example, if we make a backup of our database it would be helpful to have the possibility to compare the backup schema (odb file) with the current version in the database and as result we should get the difference between the two schemas. It would also be sufficient, if we can compare object
18

Crash after altering schema

Hi, I got an exception after altering Schema.... (just adding an index). --- bmpccdeMac-mini:CloudAI eko$ java -jar build/libs/asli-cloudai.jar Current Working directory /Users/eko/work/asli ... (Thread.java:832) eko EKO FAJAR Note that after schema change you have to restart the server
18

Collision Between Different Schema Versions of Entity Classes

Version 2.8.4 fixes a critical bug that in rare cases may cause collision between different schema versions of entity classes, when schemas have changes many times (usually more than 20 times). This bug mainly affects queries on hierarchy of multiple entity classes (i.e. a query on a super class

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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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