About Lukas Eder

Lukas is a Java and SQL enthusiast developer. He created the Data Geekery GmbH. He is the creator of jOOQ, a comprehensive SQL library for Java, and he is blogging mostly about these three topics: Java, SQL and jOOQ.

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Don’t Miss out on Writing Java 8 SQL One-Liners with jOOλ or jOOQ

More and more people are catching up with the latest update to our platform by adopting functional programming also for their businesses. At Data Geekery, we’re using Java 8 for our ...
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The Caveats of Dual-Licensing

We’ve been in business for more than one year now with our dual-licensing strategy for jOOQ. While this strategy has worked very well for us, it has also been a bit of a challenge ...
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Using Your RDBMS for Messaging is Totally OK

Controversial database topics are a guaranteed success on reddit, because everyone has an opinion on those topics. More importantly, many people have a dogmatic opinion, which always ...
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Asynchronous SQL Execution with jOOQ and Java 8’s CompletableFuture

Reactive programming is the new buzzword, which essentially just means asynchronous programming or messaging. Fact is that functional syntax greatly helps with structuring asynchronous ...
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How Nashorn Impacts API Evolution on a New Level

Following our previous article about how to use jOOQ with Java 8 and Nashorn, one of our users discovered a flaw in using the jOOQ API as discussed here on the user group. In essence, ...
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This is the Final Discussion!

Pun intended… Let’s discuss Java final. Recently, our popular blog post “10 Subtle Best Practices when Coding Java” had a significant revival and a new set of comments as it ...
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Why You Should NOT Implement Layered Architecture

Abstraction layers in software are what architecture astronauts tell you to do. Instead, however, half of all applications out there would be so easy, fun, and most importantly: productive ...
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When the Java 8 Streams API is not Enough

Java 8 was – as always – a release of compromises and backwards-compatibility. A release where the JSR-335 expert group might not have agreed upon scope or feasibility of certain ...
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Look no Further! The Final Answer to “Where to Put Generated Code?”

This recent question on Stack Overflow made me think. Why does jOOQ suggest to put generated code under “/target” and not under “/src”?… and I’m about to give you the ...
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Awesome SQL Trick: Constraints on Views

CHECK constraints are already pretty great when you want to sanitize your data. But there are some limitations to CHECK constraints, including the fact that they are applied to the ...
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