Since then, we extended and improved the support: added it for export (initially, it was only for import) and improved the performance.
About strange stuff in the library - it uses a non-obvious approach for exception handling, and their C++ code feels like they too much focusing on some non-orthodox approaches.
It was contributed by Marek VavruĊĦa from CloudFlare in 2017: https://github.com/ClickHouse/ClickHouse/pull/1387
Since then, we extended and improved the support: added it for export (initially, it was only for import) and improved the performance.
About strange stuff in the library - it uses a non-obvious approach for exception handling, and their C++ code feels like they too much focusing on some non-orthodox approaches.