pub unsafe extern "C" fn duckdb_fetch_chunk(
result: duckdb_result,
) -> duckdb_data_chunk
Expand description
Fetches a data chunk from a duckdb_result. This function should be called repeatedly until the result is exhausted.
The result must be destroyed with duckdb_destroy_data_chunk
.
It is not known beforehand how many chunks will be returned by this result.
@param result The result object to fetch the data chunk from.
@return The resulting data chunk. Returns NULL
if the result has an error.