emkornfield commented on a change in pull request #8325:
URL: https://github.com/apache/arrow/pull/8325#discussion_r502156886
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File path: cpp/src/arrow/flight/client.cc
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@@ -835,6 +843,31 @@ class GrpcMetadataReader : public FlightMetadataReader {
std::shared_ptr<std::mutex> read_mutex_;
};
+namespace {
+// Dummy self-signed certificate to be used because TlsCredentials
+// requires root CA certs, even if you are skipping server
+// verification.
+#if defined(GRPC_NAMESPACE_FOR_TLS_CREDENTIALS_OPTIONS)
+const char BLANK_ROOT_PEM[] =
Review comment:
nit: constexpr? or static.
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