openjpa

相关标签：javascript jquery android 多少钱 iPhone

Problems when using inheritance with Hibernate

I am working on a little exercise and I am facing some problems when calling a select query. Basically I\'ve created an Abstract class in the following way:[详细]

2023-01-29 05:21 分类：问答
OpenJPA: how to construct a GROUP BY query with a group count

In JPQL I want to construct the equivalent query to this: select *, count(*) as finger_count from page_delta_summary[详细]

2023-01-26 17:53 分类：问答
OpenJPA: Can the target of a ManyToOne relation be an @Embedded field?

I am trying to use a ManyToOne relation where the foreign key links to an @Embedded field in the target class. This compiles and enhances fine, but when running this code, OpenJPA will complain with a[详细]

2023-01-25 20:47 分类：问答
Maven archetypes for OpenJPA

Greeting开发者_如何学Gos. I\'m just starting to explore Maven and I use m2eclipse as to use Maven in Eclipse.[详细]

2023-01-24 11:46 分类：问答
Can we assign custom Query Hints to JPA NamedQueries

We are requiredto append query numbers to each and every query our application executes. EX:SELECT * FROM ... WHERE ... QUERYNO 123456;[详细]

2023-01-23 20:26 分类：问答
Open JPA - column definition binary

I\'m trying to set the type of a column in OpenJPA as binary(5) so I\'m using the following declaration:[详细]

2023-01-23 12:04 分类：问答
No metadata found for type using OpenJPA with RuntimeUnenhancedClasses

I am using JPA (OpenJPA). I have following entries in my persistence.xml: <property name=\"openjpa.RuntimeUnenhancedClasses\" value=\"supported\"/>[详细]

2023-01-21 15:32 分类：问答
Apache Wicket, OpenJPA and Spring/ROO

I\'ve set up a Spring ROO application, set persistence to OpenJPA and created some entities. Then I replaced Spring MVC with Apache Wicket. Stuff seems to be working fine and I\'ve successfully displa[详细]

2023-01-19 12:06 分类：问答
can OptimisticLockException occur if app srv Isolation level is set to READ COMMITTED?

I am using Websphere application server 7.0.0.0.9 with ;OpenJPA 1.2.3-SNAPSHOT\'. I have Set property of jdbc data source webSphereDefaultIsolationLevel=2 (READ COMMITTED).[详细]

2023-01-19 01:21 分类：问答
How to generate ORM.XML mapping files from annotations?

At work, we design solutions for rather big entities in the financi开发者_如何学运维al services area, and we prefer to have our deployment mappings in XML, since it\'s easy to change without having to[详细]

2023-01-17 23:24 分类：问答