Category: Jpa - Coding Forest

Posts in jpa

Using UUID on Spring Data JPA Entities

In this article I’ll explore how to model a [JPA Entity][1] using an [UUID][2] as Primary Key working with [Spring Data JPA.][3]

written November 5, 2018 in data, hibernate, jpa, kotlin, spring, uuid Read on →

Hierarchical Queries on RDBMS With JPA

Hello! In this post I’ll explore the different alternatives for querying hierarchical data stored on a RDBMS using [JPA][1].

written August 4, 2018 in graph, hierarchical, jpa, kotlin, query, rdbms, recursive, sql Read on →

Oracle, JPA and the Mystery of the String That Was Null

This is the story of how Oracle DB was messing up Kotlin’s type system, and what I did to fix it.

written June 23, 2018 in h2, jpa, kotlin, npe, nulls, oracle, oracle-db, spring, spring-data Read on →