Examples with Persistor io.prestosql.queryeditorui.output.persistors.Persistor used on opensource projects

Example 1 with Persistor

use of io.prestosql.queryeditorui.output.persistors.Persistor in project hetu-core by openlookeng.

the class Execution method doExecute.

private Job doExecute() throws ExecutionFailureException {
    final String userQuery = QUERY_SPLITTER.splitToList(getJob().getQuery()).get(0);
    final JobOutputBuilder outputBuilder;
    job.setQueryStats(createNoOpQueryStats());
    try {
        outputBuilder = outputBuilderFactory.forJob(job);
    } catch (IOException e) {
        throw new ExecutionFailureException(job, "Could not create output builder for job", e);
    } catch (InvalidQueryException e) {
        throw new ExecutionFailureException(job, e.getMessage(), e);
    }
    final Persistor persistor = persistorFactory.getPersistor(job, job.getOutput());
    final String query = job.getOutput().processQuery(userQuery);
    if (!persistor.canPersist(authorizer)) {
        throw new ExecutionFailureException(job, "Not authorized to create tables", null);
    }
    final Set<Table> tables = new HashSet<>();
    try {
        tables.addAll(authorizer.tablesUsedByQuery(query));
    } catch (ParsingException e) {
        job.setError(new QueryError(e.getMessage(), null, -1, null, Optional.empty(), null, new ErrorLocation(e.getLineNumber(), e.getColumnNumber()), null));
        throw new ExecutionFailureException(job, "Invalid query, could not parse", e);
    }
    if (!authorizer.isAuthorizedRead(tables)) {
        job.setQueryStats(createNoOpQueryStats());
        throw new ExecutionFailureException(job, "Cannot access tables", null);
    }
    JobSessionContext jobSessionContext = JobSessionContext.buildFromClient(queryRunner.getSession());
    job.setSessionContext(jobSessionContext);
    QueryClient queryClient = new QueryClient(queryRunner, timeout, query);
    try {
        queryClient.executeWith((client) -> {
            if (client == null) {
                return null;
            }
            QueryStatusInfo statusInfo = client.currentStatusInfo();
            QueryData data = client.currentData();
            List<Column> resultColumns = null;
            JobState jobState = null;
            QueryError queryError = null;
            QueryStats queryStats = null;
            if (isCancelled) {
                throw new ExecutionFailureException(job, "Query was cancelled", null);
            }
            if (statusInfo.getError() != null) {
                queryError = statusInfo.getError();
                jobState = JobState.FAILED;
            }
            if ((statusInfo.getInfoUri() != null) && (jobState != JobState.FAILED)) {
                BasicQueryInfo queryInfo = queryInfoClient.from(statusInfo.getInfoUri(), statusInfo.getId());
                if (queryInfo != null) {
                    queryStats = queryInfo.getQueryStats();
                }
            }
            if (statusInfo.getInfoUri() != null && job.getInfoUri() == null) {
                URI infoUri = statusInfo.getInfoUri();
                String path = infoUri.getPath();
                path = path.substring(path.indexOf("query.html"));
                infoUri = URI.create(path + "?" + infoUri.getQuery());
                job.setInfoUri(infoUri);
            }
            if (statusInfo.getStats() != null) {
                jobState = JobState.fromStatementState(statusInfo.getStats().getState());
            }
            try {
                if (statusInfo.getColumns() != null) {
                    resultColumns = statusInfo.getColumns();
                    outputBuilder.addColumns(resultColumns);
                }
                if (data.getData() != null) {
                    List<List<Object>> resultsData = ImmutableList.copyOf(data.getData());
                    for (List<Object> row : resultsData) {
                        outputBuilder.addRow(row);
                    }
                }
            } catch (FileTooLargeException e) {
                throw new ExecutionFailureException(job, "Output file exceeded maximum configured filesize", e);
            }
            rlUpdateJobInfo(tables, resultColumns, queryStats, jobState, queryError);
            return null;
        });
    } catch (QueryTimeOutException e) {
        throw new ExecutionFailureException(job, format("Query exceeded maximum execution time of %s minutes", Duration.millis(e.getElapsedMs()).getStandardMinutes()), e);
    }
    QueryStatusInfo finalResults = queryClient.finalResults();
    if (finalResults != null && finalResults.getInfoUri() != null) {
        BasicQueryInfo queryInfo = queryInfoClient.from(finalResults.getInfoUri(), finalResults.getId());
        if (queryInfo != null) {
            updateJobInfo(null, null, queryInfo.getQueryStats(), JobState.fromStatementState(finalResults.getStats().getState()), finalResults.getError());
        }
    }
    if (job.getState() != JobState.FAILED) {
        URI location = persistor.persist(outputBuilder, job);
        if (location != null) {
            job.getOutput().setLocation(location);
        }
    } else {
        throw new ExecutionFailureException(job, null, null);
    }
    return getJob();
}