imagine i have 3 Entities, Basic <- Sub <- SubSub. I want to select Basic and Sub but not SubSub
Can anyone explain why I\'m getting this error (full stack trace below): Caused by: org.apache.openjpa.lib.jdbc.ReportingSQLException: You have an error in your SQL syntax; check the manual that cor
Is there any way in OpenJPA to get hold of a nested object property via CriteriaBuilder? Here\'s a small case.
I\'m migrating from Hibernate to OpenJPA. And there开发者_StackOverflow中文版 are many entities with annotations like this:
I have the following query method that has slow performance: @Override public Map<String, Long> getFeatureCounts() {
My department has decided move to hash partitioning/sharding for some of our large Oracle databases.We will be splitting our entities across different schemas.I\'ve been tasked to do a spike to evalua
I have a class, Location. Location contains a List of coordinates that define its border. @Entity @Table(name=\"LOCATION\")
We\'re running into problems with Spring 3.0.5 transactional management and OpenJPA 2.0.1 and we can\'t seem to pinpoint the problem so any help is appreciated.
I have two tables, that share the same definition. I commonly insert new objects into one of these tables, let\'s call it Table1. From time to time, I want to move one entry from Table1 to the other t
public class ImprovedMappingDefaults extends PersistenceMappingDefaults { @Override protected void correctName(Table table, Column col) {