Hi,

Wondering if there any known issues around reuse of the C++ Arrow Flight
SQL (or more likely just Flight client) within a specific process?  We're
running into an issue resulting in an error such as:

> libprotobuf ERROR
C:\GitLab-Runner\NrpRz49i\0\3rdParty\protobuf\upstream\src\google\protobuf\descriptor_database.cc:641]
File already exists in database: FlightSql.proto

Is reuse of the C++ client library within one process supported, and are
there constraints to be aware of regarding e.g. client object reuse vs.
separate instantiations (which seems like a likely root cause here)?

Thanks
Paul

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