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Protocol Buffers Handbook

You're reading from   Protocol Buffers Handbook Getting deeper into Protobuf internals and its usage

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Product type Paperback
Published in Apr 2024
Publisher Packt
ISBN-13 9781805124672
Length 226 pages
Edition 1st Edition
Languages
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Author (1):
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Clément Jean Clément Jean
Author Profile Icon Clément Jean
Clément Jean
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Toc

Table of Contents (13) Chapters Close

Preface 1. Chapter 1: Serialization Primer FREE CHAPTER 2. Chapter 2: Protobuf is a Language 3. Chapter 3: Describing Data with Protobuf Text Format 4. Chapter 4: The Protobuf Compiler 5. Chapter 5: Serialization Internals 6. Chapter 6: Schema Evolution over Time 7. Chapter 7: Implementing the Address Book in Go 8. Chapter 8: Implementing the Address Book in Python 9. Chapter 9: Developing a Protoc Plugin in Golang 10. Chapter 10: Advanced Build 11. Index 12. Other Books You May Enjoy

Disabling field names – reserved names

Important message

For the sake of simplicity, I will be using Go for this example. If you are not familiar with this language, don’t worry. The example is small, and Go is a simple language. I am 100% confident that you can understand what’s going on.

We previously saw the need for reserved tags and how they can help with backward and forward compatibility. In this section, we will focus on the impact of the schema’s evolution on the code we are writing.

As we know, Protoc is mostly used to generate code out of proto files. This generated code is then used in our application to abstract the Protobuf encoding/decoding. While this is great, this creates some problems when the schemas evolve. Some of these problems can only be solved by going through the code manually and updating it but others are preventable.

Let’s see an example of a preventable problem. As you may recall, we now have v1, v2, and...

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