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This article mainly introduces "what are the characteristics of the architecture of Calcite". In the daily operation, I believe many people have doubts about the characteristics of the architecture of Calcite. The editor consulted all kinds of materials and sorted out simple and easy-to-use methods of operation. I hope it will be helpful for you to answer the doubts about "what are the characteristics of the architecture of Calcite?" Next, please follow the editor to study!

Calcite is a particularly interesting thing, the parsing layer between query and storage, similar to the ANTL4 mentioned earlier, but far more powerful than antl4. The original intention of its design is one size fits all, which shows that it is very ambitious.

Calcite architecture has three characteristics: flexible, embeddable, and extensible, that is, flexibility, components pluggable, extensible, its SQL Parser layer, Optimizer layer, etc., can be used separately, which is one of the reasons why Calcite is welcomed by the total multi-open source framework.

Such as SQL Parser layer, Optimizer layer and so on are not understood, but with it you can build a unified SQL platform. For the data platform, everything is SQL, whether it is external services or internal query conversion, can greatly save manpower and improve efficiency. The interface that provides services to the outside world can be templated and can be used n times at a time, one develop, use everywhere. I think it's funny and slippery when I think about it.

But the introduction to calcite is very simple, advanced is very difficult, there are a series of conceptual details, the most important thing is that the official website documents are not particularly sound.

In any case, it is a framework basis that is particularly worth learning. If you have learned this, you can understand all the analytical solutions of flink, hive and other sql.

At this point, the study on "what are the characteristics of the architecture of Calcite" is over. I hope to be able to solve your doubts. The collocation of theory and practice can better help you learn, go and try it! If you want to continue to learn more related knowledge, please continue to follow the website, the editor will continue to work hard to bring you more practical articles!

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