|
How to emulate LEFT JOIN FETCH using Record-based projections
-
vladmihalcea.com
-
3 months ago
-
kor
Introduction In this article, I’m going to show you how to emulate a LEFT JOIN FETCH between two root entities without fetching the intermediate child entity. I got the inspiration for this article by this comment thread on my blog. Domain Model Let’s assume we have the following entities: The Post is the root entity of our hierarchy, but just like it’s the case with the relational model, the root entity does not have any reference to its c..
|
If you’ve deployed a Cloudflare Page in the past few years, like I have, and hooked it up with for example a GitHub repository, you may not have noticed, that Cloudflare has been making changes to your configuration, and it may not be what you want. tl;dr:To disable the access policy, enable the “Zero Trust […]
|
|
Introduction In this article, I’m going to show you the best way to replace the deprecated @GenericGenerator when upgrading your application to Hibernate 7. Hibernate @GenericGenerator annotation The @GenericGenerator annotation has been available since Hibernate 3.5, as an alternative to the
|
|
Introduction My friend, Denis Magda, wrote a wonderful book called Just Use Postgres!, and I’m glad that I got the chance to read it. Audience This book is useful for any software developer who’s either using PostgreSQL or plans on using it because it covers a lot of features that are very useful for modern applications. No matter your level of seniority, you are definitely going to learn from Denis’ book. Content Just Use Postgres! has 402..
|
|
The best way to clean up test data with Spring and Hibernate
-
vladmihalcea.com
-
6 months ago
-
kor
Introduction In this article, I’m going to show you the best way to clean up test data when using Spring and Hibernate. While it’s very common to use the @DataJpaTest annotation when implementing integration tests, in this blog post, you will see why you are better off avoiding using this annotation. Why I don’t use @DataJpaTest As explained by the manual, Spring Boot provides the @DataJpaTest annotation for Spring Data JPA integration test..
|
|
As of November 5th, 2025, Material for MkDocs is now in maintenance mode, with committed support for the next 12 months. At the same time a new static site generator (SSG) has been brought to live, with a faster build engine and maximum compatibility with MkDocs (for now), and built with the same open source […]
|
|
From my experience, every product will eventually want to export some messages or generate a report and it obviously needs to be a PDF. Primarily working with C# these days, it’s a recurring quest to find a good PDF rendering solution for .NET. Quest Unlocked! Naturally, I first started looking for permissively licensed libraries, which […]
|
|
Introduction My friend, Laurentiu Spilca, has been working on the second edition of his Troubleshooting Java book, and when I was asked to review it, I was more than happy to do it since the book features a lot of topics that I’m also very interested in, such as performance tuning and query optimization. Audience This book is useful for any Java developer because it teaches you how to get the best out of your IDE debugger, as well as showin..
|
|
In September there seems to have been some blockchain spam repositories (see ycombinato, Git Coin) that tagged quite a few people, triggering GitHub notifications for those people. While GitHub reacted and removed the repositories, they didn’t mark those notifications as read. Additionally, the notification icon on GitHub seems to disregard notifications of deleted repositories, yet […]
|
|
Twelve years later! Twelve years ago today, I decided to create this blog on WordPress.com to share whatever I was finding interesting while working as a software architect. Prior to starting this blog, I didn’t have any writing experience, which you can clearly see in the first article I’ve ever published. However, practice makes perfect, and in time, I managed to learn how to express myself in writing, whether it was an article, a social ..
|