Ben Kietzman created ARROW-8323:
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Summary: [C++] Pin gRPC at v1.27 to avoid compilation error in its
headers
Key: ARROW-8323
URL: https://issues.apache.org/jira/browse/ARROW-8323
Project: Apache Arrow
Issue Type: Bug
Components: C++
Affects Versions: 0.16.0
Reporter: Ben Kietzman
Assignee: Ben Kietzman
Fix For: 0.17.0
[gRPC 1.28|https://github.com/grpc/grpc/releases/tag/v1.28.0] includes a change
which introduces an implicit size_t->int conversion in proto_utils.h:
https://github.com/grpc/grpc/commit/2748755a4ff9ed940356e78c105f55f839fdf38b
Conversion warnings are treated as errors for example here:
https://ci.appveyor.com/project/BenjaminKietzman/arrow/build/job/9cl0vqa8e495knn3#L1126
So IIUC we need to pin gRPC to 1.27 for now.
Upstream PR: https://github.com/grpc/grpc/pull/22557
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