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:
In JPQL I want to construct the equivalent query to this: select *, count(*) as finger_count from page_delta_summary
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
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.
We are requiredto append query numbers to each and every query our application executes. EX:SELECT * FROM ... WHERE ... QUERYNO 123456;
I\'m trying to set the type of a column in OpenJPA as binary(5) so I\'m using the following declaration:
I am using JPA (OpenJPA). I have following entries in my persistence.xml: <property name=\"openjpa.RuntimeUnenhancedClasses\" value=\"supported\"/>
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
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).
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
加载中,请稍侯......