[protoc-gen-openapiv2] Option to disable setting default values for enums without omitting it from the list of values about grpc-gateway HOT 3 CLOSED

Hi, thanks for your issue. I'm not sure I understand what it is you're suggesting. The default value is tied to the behavior of the JSON marshaler. What does it mean to not omit the default value but not setting it?

Also, I appreciate that you created an issue before creating the PR, but I'd still prefer if we had a discussion and agreed that it's worth adding before creating the PR. Right now, I'm not convinced we need this new option.

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@johanbrandhorst The issue is that we have that lots of enums where the first element doesn't really behave like a default value.
So for those enums we want that first value to present in the generated openapi file but not set as a default value.

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Hm, I think you'll have to create your own JSON marshaler, which will not be protobuf spec compliant. The zero value in a protobuf enum is always the default value. The gateway will not support this use case, I'm afraid. Thanks for raising the issue and I hope you can figure out a solution.

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