Examples with AtomicResultsMessage org.teiid.dqp.message.AtomicResultsMessage used on opensource projects

Example 11 with AtomicResultsMessage

use of org.teiid.dqp.message.AtomicResultsMessage in project teiid by teiid.

the class TestConnectorWorkItem method testLobs.

@Test
public void testLobs() throws Exception {
    BufferManager bm = BufferManagerFactory.getStandaloneBufferManager();
    final List<Object> result = Arrays.asList(AutoGenDataService.CLOB_VAL);
    final ExecutionFactory<Object, Object> ef = new ExecutionFactory<Object, Object>() {

        @Override
        public boolean isSourceRequired() {
            return false;
        }

        @Override
        public ResultSetExecution createResultSetExecution(QueryExpression command, ExecutionContext executionContext, RuntimeMetadata metadata, Object connection) throws TranslatorException {
            return new ResultSetExecution() {

                private boolean returned;

                @Override
                public void execute() throws TranslatorException {
                }

                @Override
                public void close() {
                }

                @Override
                public void cancel() throws TranslatorException {
                }

                @Override
                public List<?> next() throws TranslatorException, DataNotAvailableException {
                    if (returned) {
                        return null;
                    }
                    returned = true;
                    return result;
                }
            };
        }
    };
    ConnectorManager cm = new // $NON-NLS-1$ //$NON-NLS-2$
    ConnectorManager(// $NON-NLS-1$ //$NON-NLS-2$
    "FakeConnector", // $NON-NLS-1$ //$NON-NLS-2$
    "FakeConnector") {

        public ExecutionFactory getExecutionFactory() {
            return ef;
        }

        public Object getConnectionFactory() {
            return null;
        }
    };
    cm.start();
    ef.setCopyLobs(true);
    AtomicRequestMessage requestMsg = createNewAtomicRequestMessage(1, 1);
    // $NON-NLS-1$
    requestMsg.setCommand(helpGetCommand("SELECT CLOB_COLUMN FROM LOB_TESTING_ONE", EXAMPLE_BQT));
    requestMsg.setBufferManager(bm);
    ConnectorWorkItem cwi = new ConnectorWorkItem(requestMsg, cm);
    cwi.execute();
    AtomicResultsMessage message = cwi.more();
    List[] resutls = message.getResults();
    List<?> tuple = resutls[0];
    ClobType clob = (ClobType) tuple.get(0);
    assertEquals(StorageMode.MEMORY, InputStreamFactory.getStorageMode(clob));
    assertTrue(message.supportsImplicitClose());
    result.set(0, AutoGenDataService.CLOB_VAL);
    ef.setCopyLobs(false);
    cwi = new ConnectorWorkItem(requestMsg, cm);
    cwi.execute();
    message = cwi.more();
    resutls = message.getResults();
    tuple = resutls[0];
    clob = (ClobType) tuple.get(0);
    assertEquals(StorageMode.OTHER, InputStreamFactory.getStorageMode(clob));
    assertFalse(message.supportsImplicitClose());
    result.set(0, new ClobImpl(new InputStreamFactory() {

        @Override
        public InputStream getInputStream() throws IOException {
            return new ByteArrayInputStream(new byte[0]);
        }

        @Override
        public StorageMode getStorageMode() {
            // TODO: introduce an explicit streaming
            return StorageMode.FREE;
        }
    }, -1));
    requestMsg.setCopyStreamingLobs(true);
    cwi = new ConnectorWorkItem(requestMsg, cm);
    cwi.execute();
    message = cwi.more();
    resutls = message.getResults();
    tuple = resutls[0];
    clob = (ClobType) tuple.get(0);
    // switched from FREE to PERSISTENT
    assertEquals(StorageMode.PERSISTENT, InputStreamFactory.getStorageMode(clob));
    assertFalse(message.supportsImplicitClose());
}

Example 12 with AtomicResultsMessage

use of org.teiid.dqp.message.AtomicResultsMessage in project teiid by teiid.

the class TestConnectorWorkItem method testExecutionWarning.

@Test
public void testExecutionWarning() throws Throwable {
    AtomicResultsMessage results = helpExecuteUpdate(false, false);
    assertEquals(1, results.getWarnings().size());
}

Example 13 with AtomicResultsMessage

use of org.teiid.dqp.message.AtomicResultsMessage in project teiid by teiid.

the class TestConnectorWorkItem method testBatchUpdateExecutionSingleResult.

@Test
public void testBatchUpdateExecutionSingleResult() throws Throwable {
    AtomicResultsMessage results = helpExecuteUpdate(true, true);
    assertEquals(2, results.getResults().length);
    assertEquals(Integer.valueOf(1), results.getResults()[0].get(0));
    assertEquals(1, results.getResults()[1].get(0));
}