About entities

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18

A few entities loss after update to 2.3.7_08!

A few entities loss after update to 2.3.7_08!
Forum
18

Entity not removed 100%

Entity not removed 100%
Forum
18

How to avoid NULL values on Embedded entities

How to avoid NULL values on Embedded entities
Forum
18

Using your own classes in the entity class?

Using your own classes in the entity class?
Manual
15

Paths and Types in JPQL and Criteria API

Instances of user defined persistable classes (entity classes, mapped super classes and embeddable ... . For example - c.capital, where c represents a Country entity object uses the capital persistent field in the Country class to navigate to the associated Capital entity object. Path expression whose type
Manual
15

Locking in JPA

, are detected earlier. Optimistic Locking ObjectDB maintains a version number for every entity object. The initial version of a new entity object (when it is stored in the database for the first time) is 1. In every transaction in which an entity object is modified its version number
Manual
15

Database Schema Evolution

Modifications to entity classes that do not change their persistent field definitions (their schema ... of an entity class are detected by ObjectDB. New entity objects have to be stored in the new class schema, and old entity objects, which were stored previously in the old class schema
Result
15

Apache License, Version 2.0, January 2004

of this document. "Licensor" shall mean the copyright owner or entity authorized by the copyright owner that is granting the License. "Legal Entity" shall mean the union of the acting entity and all other entities that control, are controlled by, or are under common control with that entity
Manual
15

Literals in JPQL and Criteria Queries

. 'abc'), enum literals (e.g. mypackage.MyEnum.MY_VALUE) and entity type literals (e.g. Country). JPQL ... } Then example.ui.Color.RED is a valid literal in JPQL, but Color.RED is not. Entity Type Literals Entity type literals represent entity types in JPQL, similar to the way that java.lang.Class instances
Manual
14

UPDATE SET Queries in JPA/JPQL

Existing entity objects can be updated, as explained in chapter 2, by: Retrieving the entity objects into an EntityManager. Updating the relevant entity object fields within an active transaction ... an alternative way for updating entity objects. Unlike SELECT queries, which are used to retrieve data from