Function duckdb_appender_end_row

pub unsafe extern "C" fn duckdb_appender_end_row(
    appender: *mut _duckdb_appender,
) -> u32

Finish the current row of appends. After end_row is called, the next row can be appended.

appender: The appender. returns: DuckDBSuccess on success or DuckDBError on failure.