Prepared statement returns empty table / column names in result metadata

Prepared statement returns empty table / column names in result metadata: a task in MiMo-V2.6-RL-harbor-code: MiMo-V2.6-RL Code (Harbor) (Harbor dataset). I'm connecting to TiDB from a C++ app using MySQL Connector/C++. When I run a query through a prepared statement and try to read columns by…

The task

I'm connecting to TiDB from a C++ app using MySQL Connector/C++. When I run a query through a prepared statement and try to read columns by name, it fails — but the exact same code against MySQL works fine.

Part of FineEnvs/MiMo-V2.6-RL-harbor-code.