Hi Andy, I'm running into a bit of a catch-22 solution here and would love some ideas if you have something. I'm trying to identify all dirty fields of an object during a StoreLifecycleListener. I hav

Clearly we can associate a unique (usually integer in our case) class ID / discriminator to each persistent class. Given that this class ID is always unique across all classes within our system I have

Dear colleagues: I am developing a project with Spring Boot and Informix IDS 7.31TD9, but I find that I cannot connect to the database. I tried to load the dependencies of all the versions of Informix

Hi everyone, Recently I have created a pull request for Spanner database adapter. While running the Datanucleus tests I have encountered an issue which made me realize that I have not fully understood

We use below components from datanucleus, since we have a plan to upgrade to Java 17 need to know the compatibility to run the below components on java 17 runtime environment. *Vendor* *Software Name*

I am trying to build a test case for JDO. When I clone https://github.com/datanucleus/test-jdo then mvn clean compile test I get a failure, also created https://github.com/datanucleus/test-jdo/issues/

We have a table like: node(nodetype, subnodetype, ...) From this one table we want to have several persistent java classes. Both node.nodetype and node.subnodetype is needed to discriminate the java c

If a class does not have an attribute defined to be the primary key field but, rather, relies on DN creating the primary key column in the RBDMS table implicitly, is there any way to specify the defau

Traditionally we have used the java.util.Date class for storing time instants in UTC time - in all existing tables DN has created a 'TIMESTAMP' type field in MySQL - which works fine. Recently we adde

I've got a project with datanucleus v6.0.0-release and in my properties file I've got configured with the following values: As you can see I have the *datanucleus.query.results.cached* enabled In my p

Hi! I hope you can help with this issue. I have a simple inheritance of these two classes. I've got them mapped like this with subclass-table inheritence strategy. Also I have query results cache enab

I'd like to implement a JDOQL query for the following SQL statement: select * from project p, project_strategic_bucket psb where psb.project_id_oid = p.id and psb.strategic_bucket_id_oid in (select sb

I'm aware this is kind of a generic question, but is there any guidance or any best practices around connection factory configuration when using connection pooling? We use DN RDBMS with HikariCP, and

Hi, I posted my question on StackOverflow, but realized it might be better to post here as on SO there's only 5-ish DN questions per year :-) https://stackoverflow.com/questions/75422362/datanucleus-r

Hello, We have recently upgraded Datanucleus from 5.0 to 5.2 and we started to see broken queries, here are some examples: # this query is cut after the WHERE cause SELECT 'com.somepackage.EntityOne'