About type

api-jpa

getPersistenceType()

Return the persistence type.(Method of javax.persistence.metamodel.Type)

 
release

2.6.1

... file with unexpected HashMap.Entry as a listed type. Fixed return type of SUM queries on BigDecimal field ( issue #236 ). Fixed a ...

 
forum_thread

NullpointerException when execute a merge

How can we analyze the cause of an "Unexpected internal exception"?   We create an object tree that is persisted with "merge()". Then we want to persist “merge()” an new object of a different type.   [we use ObjectDb 2.6.0_3] ... persist “merge()” an new object of a different type.   [we use ObjectDb 2.6.0_3] Caused by: ... PK before persisting the first instance of this entity type to the database. Please try build 2.6.0_04 that includes a fix. ...

 
api-jpa

javax.persistence.criteria.ParameterExpression

Type of criteria query parameter expressions.(Interface of JPA)

 
api-jpa

javax.persistence.Basic

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

 
api-jpa

getResultList()

Execute a SELECT query and return the query results as a typed List.(Method of javax.persistence.TypedQuery)

 
forum_thread

find() cost unreasonable time!

Hi, I make a full binary tree of 4095 node, I check the first 9 node, but the root cost 24 seconds, why? Result: ... 24.125000 getSons time @ 0.000000 1 : type : Nodes, sons : 2 child : 2 child : 3 Iterator ... 0.000000 getSons time @ 0.000000 2 : type : Nodes, sons : 2 child : 4 child : 5 Iterator ...

 
manual

JPA Entity Fields

Explains how to define and use primary keys in JPA, including composite and embedded primary keys.... supports persistent fields with any declared static type, including a generic java.lang.Object , as long as the type of the actual value at runtime is persistable (or null ). Every ...

 
release

2.6.2

... file with unexpected HashMap.Entry as a listed type. Fixed return type of SUM queries on BigDecimal field ( issue #236 ). Fixed a ...

 
api-jdo

Key.types

Types of the keys.(Annotation Element of javax.jdo.annotations.Key)