Function duckdb_append_data_chunk 

pub unsafe extern "C" fn duckdb_append_data_chunk(
    appender: duckdb_appender,
    chunk: duckdb_data_chunk,
) -> duckdb_state

Appends a pre-filled data chunk to the specified appender. Attempts casting, if the data chunk types do not match the active appender types.

history:

• stable: v0.3.3

@param appender The appender to append to. @param chunk The data chunk to append. @return duckdb_state