Package com.facebook.presto.client

Examples of com.facebook.presto.client.StatementClient

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    @Override
    protected MaterializedResult computeActual(@Language("SQL") String sql)
    {
        ClientSession session = new ClientSession(coordinator.getBaseUrl(), "testuser", "test", "default", "default", true);

        try (StatementClient client = new StatementClient(httpClient, queryResultsCodec, session, sql)) {
            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();
            }

            if (!client.isFailed()) {
                return new MaterializedResult(rows.build(), tupleInfo);
            }

            QueryError error = client.finalResults().getError();
            assert error != null;
            if (error.getFailureInfo() != null) {
                throw error.getFailureInfo().toException();
            }
            throw new RuntimeException("Query failed: " + error.getMessage());
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        return new Query(startInternalQuery(query));
    }

    public StatementClient startInternalQuery(String query)
    {
        return new StatementClient(httpClient, queryResultsCodec, session, query);
    }
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        return new Query(startInternalQuery(query));
    }

    public StatementClient startInternalQuery(String query)
    {
        return new StatementClient(httpClient, queryResultsCodec, session.get(), query);
    }
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        return new Query(startInternalQuery(query));
    }

    public StatementClient startInternalQuery(String query)
    {
        return new StatementClient(httpClient, queryResultsCodec, session.get(), query);
    }
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            locale = Locale.forLanguageTag(language);
        }

        ClientSession session = new ClientSession(serverUri(), user, source, catalog, schema, timeZoneId, locale, false);

        StatementClient client = new StatementClient(httpClient, queryResultsCodec, session, query);

        List<Column> columns = getColumns(client);
        Iterator<List<Object>> iterator = flatten(new ResultsPageIterator(client));
        SimpleQueryResults results = new SimpleQueryResults(columns, iterator);
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        return compute(sql, getClientSession());
    }

    private MaterializedResult compute(@Language("SQL") String sql, ClientSession session)
    {
        try (StatementClient client = new StatementClient(httpClient, queryResultsCodec, session, sql)) {
            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();
            }

            if (!client.isFailed()) {
                return new MaterializedResult(rows.build(), types);
            }

            QueryError error = client.finalResults().getError();
            assert error != null;
            if (error.getFailureInfo() != null) {
                throw error.getFailureInfo().toException();
            }
            throw new RuntimeException("Query failed: " + error.getMessage());
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        return execute(defaultSession, sql);
    }

    public MaterializedResult execute(ConnectorSession session, @Language("SQL") String sql)
    {
        try (StatementClient client = new StatementClient(httpClient, QUERY_RESULTS_CODEC, toClientSession(session), sql)) {
            AtomicBoolean loggedUri = new AtomicBoolean(false);
            ImmutableList.Builder<MaterializedRow> rows = ImmutableList.builder();
            List<Type> 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 = getTypes(prestoServer.getMetadata(), results.getColumns());
                }
                if (results.getData() != null) {
                    rows.addAll(transform(results.getData(), dataToRow(session.getTimeZoneKey(), types)));
                }

                client.advance();
            }

            if (!client.isFailed()) {
                return new MaterializedResult(rows.build(), types);
            }

            QueryError error = client.finalResults().getError();
            assert error != null;
            if (error.getFailureInfo() != null) {
                throw error.getFailureInfo().toException();
            }
            throw new RuntimeException("Query failed: " + error.getMessage());
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        assertRequest(!isNullOrEmpty(catalog), "Catalog (%s) is empty", PRESTO_CATALOG);
        assertRequest(!isNullOrEmpty(schema), "Schema (%s) is empty", PRESTO_SCHEMA);

        ClientSession session = new ClientSession(serverUri(), user, source, catalog, schema, false);

        StatementClient client = new StatementClient(httpClient, queryResultsCodec, session, query);

        List<Column> columns = getColumns(client);
        Iterator<List<Object>> iterator = flatten(new ResultsPageIterator(client));
        SimpleQueryResults results = new SimpleQueryResults(columns, iterator);
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        return compute(sql, getClientSession());
    }

    private MaterializedResult compute(@Language("SQL") String sql, ClientSession session)
    {
        try (StatementClient client = new StatementClient(httpClient, queryResultsCodec, session, sql)) {
            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();
            }

            if (!client.isFailed()) {
                return new MaterializedResult(rows.build(), types);
            }

            QueryError error = client.finalResults().getError();
            assert error != null;
            if (error.getFailureInfo() != null) {
                throw error.getFailureInfo().toException();
            }
            throw new RuntimeException("Query failed: " + error.getMessage());
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    @Override
    protected MaterializedResult computeActual(@Language("SQL") String sql)
    {
        ClientSession session = new ClientSession(coordinator.getBaseUrl(), "testuser", "test", "default", "default", true);

        try (StatementClient client = new StatementClient(httpClient, queryResultsCodec, session, sql)) {
            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();
            }

            if (!client.isFailed()) {
                return new MaterializedResult(rows.build(), types);
            }

            QueryError error = client.finalResults().getError();
            assert error != null;
            if (error.getFailureInfo() != null) {
                throw error.getFailureInfo().toException();
            }
            throw new RuntimeException("Query failed: " + error.getMessage());
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