About primitive

manual

JPA Persistable Types

Explains how JPA manages types, including entity classes, embeddable classes, primitive types, wrappers, string, date, enum, collections and maps.... Embeddable classes. Simple Java data types: Primitive types, Wrappers, String, Date and Math types. Multi ... simple Java data types are persistable: Primitive types: boolean , byte , short , char , int , long , ...

 
forum_thread

Query results are not up to date for entities, not primitives

When using the CriteriaBuilder to query, the retrieved list are not refreshed according to the latest updates. But, when using the JPQL Query, the list are refreshed. What is the problem? ... the list are refreshed, and, when I querying for primitive fields like Strings, the list of primitives are loading refreshed ... query mode, from CriteriaBuilder to JPQL or from Entity to Primitive. What´s now? ...

 
api-jpa

javax.persistence.criteria.Path

Represents a simple or compound attribute path from a bound type or collection, and is a "primitive" expression.(Interface of JPA)

 
page

ObjectDB Object Database Features

ObjectDB provides a rich set of features, many of them as the result of supporting the JPA and JDO APIs.... Primitive types (boolean, byte, short, char, int, long, float, double). ...

 
api-jpa

javax.persistence.Basic

The simplest type of mapping to a database column.(Annotation of JPA)

 
api-jdo

javax.jdo.Query

The Query interface allows applications to obtain persistent instances, values, and aggregate data from the data store.(Interface of JDO)

 
release

2.4.3

... Fixed the Explorer to show null values in primitive fields (unset values in new fields) correctly. Fixed a ... Fixed a bug in clearing persistent properties of primitive types. Fixed a bug of returning managed hollow objects ...

 
release

2.4.2

... Fixed the Explorer to show null values in primitive fields (unset values in new fields) correctly. Fixed a ... Fixed a bug in clearing persistent properties of primitive types. Fixed a bug of returning managed hollow objects ...

 
api-jpa

javax.persistence.Id

Specifies the primary key of an entity.(Annotation of JPA)

 
forum_thread

PersistenceException: Failed to locate field

Hi, have recently been running into this issue when changing the schema: com.objectdb.o._PersistenceException: Failed to locate field in this case, adding a primitive String field to an Entity. pretty sure that in the past schema evolution would not have triggered errors, is this case, a simple new field, shouldn't the policy be to add a null in that field, or other default for that primitive. ... Failed to locate field in this case, adding a primitive String field to an Entity. pretty sure that in the past ... be to add a null in that field, or other default for that primitive. Specifically, from: ...