in api-server/src/main/java/org/apache/cassandra/diff/api/services/DBService.java [190:199]
public Collection<JobResult> fetchJobResults(UUID jobId) {
JobSummary summary = fetchJobSummary(jobId);
List<ResultSetFuture> futures = Lists.newArrayListWithCapacity(summary.keyspaceTables.size());
for (String table : summary.keyspaceTables)
futures.add(session.executeAsync(jobResultStatement.bind(jobId, table)));
SortedSet<JobResult> results = Sets.newTreeSet();
processFutures(futures, JobResult::fromRow, results::add);
return results;
}