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Support automatic FieldMasks with PATCH #107

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nemith opened this issue Dec 23, 2024 · 0 comments
Open

Support automatic FieldMasks with PATCH #107

nemith opened this issue Dec 23, 2024 · 0 comments

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@nemith
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nemith commented Dec 23, 2024

GRPC-Gateway supports a PATCH feature1 that when:

  1. a non * body is provided
  2. there is a update_mask field present that is of a type google.api.FieldMask
  3. And the method is PATCH

Then the fields specified in the body are automatically added to the update path.

This is extremely useful for transcoding a idomatic REST interface to gRPC while stil supporting stanard gRPC interfaces.

  1. https://grpc-ecosystem.github.io/grpc-gateway/docs/mapping/patch_feature/

This is needed for projects like envoy who use this library. (See envoyproxy/envoy#10235)
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@nemith