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Missing (null) elements in eager loaded references

it happen when the EntityManager is open or closed? Note that if you are working with detached objects

Removing entity class

You can retrieve all your objects, detach them, and then persist them to a new database

How to disable Transparent Update.

for your reference. Manoj Manoj Kumar Maharana You cannot disable transparent update. You can detach the first

ObjectDB version 2.1 has been released

and TreeMap in the Explorer. Fixed detachment of entities by replacing proxy objects with ordinary

Possible issue with LAZY Loading

differences) when the EntityManager is closed or results are detached. In this case, LAZY data will not

Significant I/O costs during batch update or insert data.

Our application has some complex entities. We do batch update(merge detached entity) every 2 minutes. We find the period significant IO costs these days, and disappeared when turn off the batch updating. 1.ObjectDB is in embedded mode. 2.ObjectDB version is 2.3.7 3.Database file size is nearly

ObjectDB 2.0.5

Fixed Java Agent / Java EE / Spring enhancement bug. Fixed a bug in merging detached entity objects. Fixed unexpected NullPointerException in client server mode. Fixed an exception in AVG query on non numeric values (issue #107). Fixed a bug in handling JOIN queries with primary key fields.

Use temporary files to enable very large transactions

the first level cache (by flush() and detach()). But an array of bytes, any ObjectDB memory

ObjectDB 2.6.5

. Fixed a bug in indexing java.sql.Date fields during time / time zone change. Fixed a bug in detachment of embedded objects (if enabled).

ObjectDB 2.3.2

on using a collection in a detached object (issue #527). Fixed a bug of changing id type when an entity

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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