Philippe Marschall

> My understanding of the timestamp and timestamptz data types is that both are effectively some fractional second offset since epoch, but the difference is that for timestamp epoch is...

> * We start printing warnings whenever users hit the problematic code (e.g. when they really use the problematic lines) I'm struggling to come up with a good way to...

Thank you for pointing out the alternatives. That solves our issue.

@mkuzela it looks like the bug was introduced with f460f4acc31f9fb5ec85ffa6a33ecdbeace6f400

Do you use this in your application or is this simply for completeness? If you use it in your application would you mind sharing your use case? Which JPA provider...

Can you elaborate why you would prefer `TIMESTAMPLZ` over `TIMESTAMPTZ`?

> When an application has many users from all over the world, and you don't want to do the conversion in the back- or frontend Can you expand on why...

I glad it's of use to people. I need to know a bit more of your setup in order to be able to reproduce the issue. I need to know:...

> Does any of the maven modules in this repo do the ZonedDateTime+EL+PG combo without column split? With and without a column split none of the modules support ZonedDateTime with...

I fear the `UserType`s are not compatible with Hibernate 5.0. The `UserType` interface was changed from [5.0](https://docs.jboss.org/hibernate/orm/5.0/javadocs/org/hibernate/usertype/UserType.html) to [5.2](https://docs.jboss.org/hibernate/orm/5.2/javadocs/org/hibernate/usertype/UserType.html), most notably the argument type changed from `SessionImplementor` to `SharedSessionContractImplementor`. Likely...