@Test
public void testUnmodifibleList() throws Exception {
BufferManager bm = BufferManagerFactory.getStandaloneBufferManager();
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 {
List<String> list1 = Collections.singletonList("1");
final Iterator<List<String>> iter = Arrays.asList(list1).iterator();
return new ResultSetExecution() {
@Override
public void execute() throws TranslatorException {}
@Override
public void close() {}
@Override
public void cancel() throws TranslatorException {}
@Override
public List<?> next() throws TranslatorException, DataNotAvailableException {
if (iter.hasNext()) {
return iter.next();
}
return null;
}
};
}
};
ConnectorManager cm =
new ConnectorManager("FakeConnector", "FakeConnector") { // $NON-NLS-1$ //$NON-NLS-2$
public ExecutionFactory getExecutionFactory() {
return ef;
}
public Object getConnectionFactory() {
return null;
}
};
cm.start();
AtomicRequestMessage requestMsg = createNewAtomicRequestMessage(1, 1);
requestMsg.setCommand(
helpGetCommand("SELECT intkey FROM bqt1.smalla", EXAMPLE_BQT)); // $NON-NLS-1$
requestMsg.setBufferManager(bm);
ConnectorWorkItem cwi = new ConnectorWorkItem(requestMsg, cm);
cwi.execute();
AtomicResultsMessage message = cwi.more();
List[] results = message.getResults();
assertEquals(1, results.length);
List<?> tuple = results[0];
assertEquals(1, tuple.get(0));
assertEquals(1, message.getFinalRow());
}
@Test
public void testLobs() throws Exception {
BufferManager bm = BufferManagerFactory.getStandaloneBufferManager();
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 Arrays.asList(AutoGenDataService.CLOB_VAL);
}
};
}
};
ConnectorManager cm =
new ConnectorManager("FakeConnector", "FakeConnector") { // $NON-NLS-1$ //$NON-NLS-2$
public ExecutionFactory getExecutionFactory() {
return ef;
}
public Object getConnectionFactory() {
return null;
}
};
cm.start();
ef.setCopyLobs(true);
AtomicRequestMessage requestMsg = createNewAtomicRequestMessage(1, 1);
requestMsg.setCommand(
helpGetCommand("SELECT CLOB_COLUMN FROM LOB_TESTING_ONE", EXAMPLE_BQT)); // $NON-NLS-1$
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());
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());
}