Package com.facebook.presto.client

Examples of com.facebook.presto.client.QueryResults

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            AtomicBoolean loggedUri = new AtomicBoolean(false);
            ImmutableList.Builder<Tuple> rows = ImmutableList.builder();
            TupleInfo tupleInfo = null;

            while (client.isValid()) {
                QueryResults results = client.current();
                if (!loggedUri.getAndSet(true)) {
                    log.info("Query %s: %s?pretty", results.getId(), results.getInfoUri());
                }

                if ((tupleInfo == null) && (results.getColumns() != null)) {
                    tupleInfo = getTupleInfo(results.getColumns());
                }
                if (results.getData() != null) {
                    rows.addAll(transform(results.getData(), dataToTuple(tupleInfo)));
                }

                client.advance();
            }
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            if ((!queryInfo.getState().isDone()) || (!exchangeClient.isClosed())) {
                nextResultsUri = createNextResultsUri(uriInfo);
            }

            // first time through, self is null
            QueryResults queryResults = new QueryResults(
                    queryId.toString(),
                    uriInfo.getRequestUriBuilder().replaceQuery("").replacePath(queryInfo.getSelf().getPath()).build(),
                    findCancelableLeafStage(queryInfo),
                    nextResultsUri,
                    columns,
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            if ((!queryInfo.getState().isDone()) || (!exchangeClient.isClosed())) {
                nextResultsUri = createNextResultsUri(uriInfo);
            }

            // first time through, self is null
            QueryResults queryResults = new QueryResults(
                    queryId.toString(),
                    uriInfo.getRequestUriBuilder().replaceQuery("").replacePath(queryInfo.getSelf().getPath()).build(),
                    findCancelableLeafStage(queryInfo),
                    nextResultsUri,
                    columns,
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            AtomicBoolean loggedUri = new AtomicBoolean(false);
            ImmutableList.Builder<MaterializedTuple> rows = ImmutableList.builder();
            List<TupleInfo> types = null;

            while (client.isValid()) {
                QueryResults results = client.current();
                if (!loggedUri.getAndSet(true)) {
                    log.info("Query %s: %s?pretty", results.getId(), results.getInfoUri());
                }

                if ((types == null) && (results.getColumns() != null)) {
                    types = getTupleInfos(results.getColumns());
                }
                if (results.getData() != null) {
                    rows.addAll(transform(results.getData(), dataToTuple(types)));
                }

                client.advance();
            }
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            if ((!queryInfo.getState().isDone()) || (!exchangeClient.isClosed())) {
                nextResultsUri = createNextResultsUri(uriInfo);
            }

            // first time through, self is null
            QueryResults queryResults = new QueryResults(
                    queryId.toString(),
                    uriInfo.getRequestUriBuilder().replaceQuery("").replacePath(queryInfo.getSelf().getPath()).build(),
                    findCancelableLeafStage(queryInfo),
                    nextResultsUri,
                    columns,
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            AtomicBoolean loggedUri = new AtomicBoolean(false);
            ImmutableList.Builder<Tuple> rows = ImmutableList.builder();
            TupleInfo tupleInfo = null;

            while (client.isValid()) {
                QueryResults results = client.current();
                if (!loggedUri.getAndSet(true)) {
                    log.info("Query %s: %s?pretty", results.getId(), results.getInfoUri());
                }

                if ((tupleInfo == null) && (results.getColumns() != null)) {
                    tupleInfo = getTupleInfo(results.getColumns());
                }
                if (results.getData() != null) {
                    rows.addAll(transform(results.getData(), dataToTuple(tupleInfo)));
                }

                client.advance();
            }
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    public void printFinalInfo()
    {
        Duration wallTime = Duration.nanosSince(start);

        QueryResults results = client.finalResults();
        StatementStats stats = results.getStats();

        int nodes = stats.getNodes();
        if ((nodes == 0) || (stats.getTotalSplits() == 0)) {
            return;
        }

        // blank line
        out.println();

        // Query 12, FINISHED, 1 node
        String querySummary = String.format("Query %s, %s, %,d %s",
                results.getId(),
                stats.getState(),
                nodes,
                pluralize("node", nodes));
        out.println(querySummary);

        if (client.isDebug()) {
            out.println(results.getInfoUri() + "?pretty");
        }

        // Splits: 1000 total, 842 done (84.20%)
        String splitsSummary = String.format("Splits: %,d total, %,d done (%.2f%%)",
                stats.getTotalSplits(),
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    private List<String> queryMetadata(String query)
    {
        ImmutableList.Builder<String> cache = ImmutableList.builder();
        try (StatementClient client = queryRunner.startInternalQuery(query)) {
            while (client.isValid() && !Thread.currentThread().isInterrupted()) {
                QueryResults results = client.current();
                if (results.getData() != null) {
                    for (List<Object> row : results.getData()) {
                        cache.add((String) row.get(0));
                    }
                }
                client.advance();
            }
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            if ((!queryInfo.getState().isDone()) || (!exchangeClient.isClosed())) {
                nextResultsUri = createNextResultsUri(uriInfo);
            }

            // first time through, self is null
            QueryResults queryResults = new QueryResults(
                    queryId.toString(),
                    uriInfo.getRequestUriBuilder().replaceQuery("").replacePath(queryInfo.getSelf().getPath()).build(),
                    findCancelableLeafStage(queryInfo),
                    nextResultsUri,
                    columns,
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        else {
            waitForData();
        }

        if ((!client.isFailed()) && (!client.isGone()) && (!client.isClosed())) {
            QueryResults results = client.isValid() ? client.current() : client.finalResults();
            if (results.getColumns() == null) {
                errorChannel.printf("Query %s has no columns\n", results.getId());
                return;
            }

            try {
                renderResults(out, outputFormat, interactive, results);
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Related Classes of com.facebook.presto.client.QueryResults

  • com.facebook.presto.cli.Query
  • com.facebook.presto.cli.StatusPrinter
  • com.facebook.presto.cli.TableNameCompleter
  • com.facebook.presto.jdbc.PrestoResultSet
  • com.facebook.presto.server.StatementResource$Query
  • com.facebook.presto.server.TestDistributedQueries
  • com.facebook.presto.server.TestDistributedQueriesIndexed
  • com.facebook.presto.spi.type.TypeSignature
  • com.facebook.presto.tests.AbstractTestingPrestoClient
  • com.facebook.presto.tests.DistributedQueryRunner
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