About schema

21-30 of 200Refresh
Forum
21

Schema migration - long to String

? Changing a field from long to String should not require any specific action. Actually such schema changes are not related to the Doctor, and usually you don't have to run the Doctor after the schema ... and it seems that the Doctor may produce false alarms after such schema change. As a workaround you can read
Forum
21

Automatic schema evolution causes ArrayOutOfBoundsException

Hi, I did 2 modification to our schema. Our schema looked like this: class Entity - List ... ServiceProvider and removed the duplicated name field, the schema now looks like this: class ... . The objectdb doctor states "No errors have been found". Is there any other way to resolve this schema update
Issue
21

Schema-Update: Rename superclass and remove one subclass

SuperClass to RenamedSuperClass and Remove the ChildClassB. <schema> schema ... demonstrates a bug in schema evolution that includes renaming a super class and removing
Forum
21

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 ... , and you will have to write code for making this schema change. Thanks for your reply. Could you please elaborate
Forum
21

Massive schema update

Hello, I need to rename/move a lot of classes in my project. I know how to do it with the <schema ... is, Is there any way to migrate all the objects to the new schema after I wrote the shema update? Thanks in advance. Best Regars, Pablo. The effect on performance of schema update (including using
Forum
21

Database corrupted after schema change

, so it looks to me that it is some failing schema evolution. When I tried to fix the DB file, the Doctor ... and how to avoid it ? Since you are using version 2.8.3_05 it might be the critical schema bug (issue #2621 ... the schema change, without fixing the DB file with Doctor) using ObjectDB 2.8.5 and the data
Forum
20

schema update procedure

Is there a specific procedure that we should follow when making schema updates? I have often found ... after schema change is known and documented. The need for more than one restart, however, is new ... side is to synchronize all the persistable classes by sending the up to date schema of all these classes to the server
Issue
20

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
Forum
20

Schema-Update: Rename superclass and remove one subclass

SuperClass to RenamedSuperClass and Remove the ChildClassB. <schema> schema ... . It demonstrates well a bug in schema evolution that includes renaming a super class and removing
Issue
19

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