Function librocksdb_sys::rocksdb_sst_file_metadata_get_smallestkey

pub unsafe extern "C" fn rocksdb_sst_file_metadata_get_smallestkey(
    file_meta: *mut rocksdb_sst_file_metadata_t,
    len: *mut usize
) -> *mut c_char

Returns the smallest key of the specified sst file. The caller is responsible for releasing the returned memory.

@param file_meta the metadata of an SST file to obtain its smallest key. @param len the out value which will contain the length of the returned key after the function call.