CurtHagenlocher commented on issue #3659:
URL: https://github.com/apache/arrow-adbc/issues/3659#issuecomment-3473759232
I'm afraid this isn't possible through the ADBC API. The
`AdbcStatementBindStream` API is really oriented to something like bulk
ingestion, which is in part why you can only supply one. And the lower-level C
bindings aren't exposed via the ADBC API, so there's nothing realistically
possible there either.
If I needed the kind of functionality you seem to be looking for, I think
I'd probably write a DuckDB extension in C which registers a table function
like `read_from_dotnet("table_identifier")` and then exposes an API that can be
p/Invoked by which a .NET application can register and unregister callbacks for
specific table_identifer values. The results would be returned as
ArrowArrayStreams, of course.
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