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config optimizing

serialization="false" /> <cascade-persist always="auto" on-persist="false" on-commit="true

Problem with merging / persisitng objects with @Embeddable field

, cascade = CascadeType.ALL) List<ProductDemand> productDemands; @Entity public class ProductDemand

@OneToOne query issue with OR and IS NULL

Hello, I'm struggeling to get a query run right. I have 2 entities (simplified) class A {     @Id     @GeneratedValue     private Long key;          @OneToOne(mappedBy = "other", cascade = CascadeType.ALL)         private B another } class B {     @Id     @GeneratedValue

Embedded Entity in EmbeddedId not persisted. Error 631 at select.

CascadeType.PERSIST: @Embeddable public static class AId {     @OneToOne(cascade

ObjectDB 2.3.3

with cascading persist after updating the database and before commit (issue #544). Fixed NullPointerException

ObjectDB 2.7.1

Fixed a critical bug that may cause database corruption (issue #1977). Improved error messages on entity operation exceptions. Fixed a NullPointerException on cascading persist throw an unloaded collection (issue #2049). Fixed the location of a temporary file for index update (issue #2050). Fixed

ObjectDB 2.7.6

Added support of an option to disable broken reference cleaning in the Doctor (feature request #2341). Added support of cascading delete using JDO (feature request #2329). Added logging for "Failed to read from file" error (issue #2322). Added an option for eager background purge of weak references

ObjectDB 2.7.3

Fixed a bug in query execution optimization (issue #2170). Fixed cascading delete through unloaded (lazy) relationships. Fixed a NullPointerException when using "objectdb.temp.page-file" (issue #2163) Added logging and suspend exception for issue #2153. Fixed a bug in using SIZE with <= on dates in

ObjectDB 2.5.7

Added Refresh toolbar button and accelerator key in the Explorer. Added support of retrieving database connection details. Fixed unstable activation in Mac OS. Fixed a bug in using FETCH JOIN in criteria queries. Fixed a bug in cascading remove when orphan removal is set. Fixed

ObjectDB 2.0.0

/ version / inverse (mapped by) fields. Fixed Explorer bug in closing database files. Fixed cascading

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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