Examples with TransactionManager com.facebook.presto.transaction.TransactionManager used on opensource projects

Example 11 with TransactionManager

use of com.facebook.presto.transaction.TransactionManager in project presto by prestodb.

the class TestAccessControlManager method testDenyCatalogAccessControl.

@Test(expectedExceptions = PrestoException.class, expectedExceptionsMessageRegExp = "Access Denied: Cannot select from table schema.table")
public void testDenyCatalogAccessControl() throws Exception {
    CatalogManager catalogManager = new CatalogManager();
    TransactionManager transactionManager = createTestTransactionManager(catalogManager);
    AccessControlManager accessControlManager = new AccessControlManager(transactionManager);
    TestSystemAccessControlFactory accessControlFactory = new TestSystemAccessControlFactory("test");
    accessControlManager.addSystemAccessControlFactory(accessControlFactory);
    accessControlManager.setSystemAccessControl("test", ImmutableMap.of());
    ConnectorId connectorId = registerBogusConnector(catalogManager, transactionManager, accessControlManager, "catalog");
    accessControlManager.addCatalogAccessControl(connectorId, new DenyConnectorAccessControl());
    transaction(transactionManager, accessControlManager).execute(transactionId -> {
        accessControlManager.checkCanSelectFromTable(transactionId, new Identity(USER_NAME, Optional.of(PRINCIPAL)), new QualifiedObjectName("catalog", "schema", "table"));
    });
}

Example 12 with TransactionManager

use of com.facebook.presto.transaction.TransactionManager in project presto by prestodb.

the class TestAccessControlManager method testDenySystemAccessControl.

@Test(expectedExceptions = PrestoException.class, expectedExceptionsMessageRegExp = "Access Denied: Cannot select from table secured_catalog.schema.table")
public void testDenySystemAccessControl() throws Exception {
    CatalogManager catalogManager = new CatalogManager();
    TransactionManager transactionManager = createTestTransactionManager(catalogManager);
    AccessControlManager accessControlManager = new AccessControlManager(transactionManager);
    TestSystemAccessControlFactory accessControlFactory = new TestSystemAccessControlFactory("test");
    accessControlManager.addSystemAccessControlFactory(accessControlFactory);
    accessControlManager.setSystemAccessControl("test", ImmutableMap.of());
    registerBogusConnector(catalogManager, transactionManager, accessControlManager, "connector");
    accessControlManager.addCatalogAccessControl(new ConnectorId("connector"), new DenyConnectorAccessControl());
    transaction(transactionManager, accessControlManager).execute(transactionId -> {
        accessControlManager.checkCanSelectFromTable(transactionId, new Identity(USER_NAME, Optional.of(PRINCIPAL)), new QualifiedObjectName("secured_catalog", "schema", "table"));
    });
}

Example 13 with TransactionManager

use of com.facebook.presto.transaction.TransactionManager in project presto by prestodb.

the class CallTask method execute.

@Override
public ListenableFuture<?> execute(Call call, TransactionManager transactionManager, Metadata metadata, AccessControl accessControl, QueryStateMachine stateMachine, List<Expression> parameters) {
    if (!stateMachine.isAutoCommit()) {
        throw new PrestoException(NOT_SUPPORTED, "Procedures cannot be called within a transaction (use autocommit mode)");
    }
    Session session = stateMachine.getSession();
    QualifiedObjectName procedureName = createQualifiedObjectName(session, call, call.getName());
    ConnectorId connectorId = metadata.getCatalogHandle(stateMachine.getSession(), procedureName.getCatalogName()).orElseThrow(() -> new SemanticException(MISSING_CATALOG, call, "Catalog %s does not exist", procedureName.getCatalogName()));
    Procedure procedure = metadata.getProcedureRegistry().resolve(connectorId, procedureName.asSchemaTableName());
    // map declared argument names to positions
    Map<String, Integer> positions = new HashMap<>();
    for (int i = 0; i < procedure.getArguments().size(); i++) {
        positions.put(procedure.getArguments().get(i).getName(), i);
    }
    // per specification, do not allow mixing argument types
    Predicate<CallArgument> hasName = argument -> argument.getName().isPresent();
    boolean anyNamed = call.getArguments().stream().anyMatch(hasName);
    boolean allNamed = call.getArguments().stream().allMatch(hasName);
    if (anyNamed && !allNamed) {
        throw new SemanticException(INVALID_PROCEDURE_ARGUMENTS, call, "Named and positional arguments cannot be mixed");
    }
    // get the argument names in call order
    Map<String, CallArgument> names = new LinkedHashMap<>();
    for (int i = 0; i < call.getArguments().size(); i++) {
        CallArgument argument = call.getArguments().get(i);
        if (argument.getName().isPresent()) {
            String name = argument.getName().get();
            if (names.put(name, argument) != null) {
                throw new SemanticException(INVALID_PROCEDURE_ARGUMENTS, argument, "Duplicate procedure argument: %s", name);
            }
            if (!positions.containsKey(name)) {
                throw new SemanticException(INVALID_PROCEDURE_ARGUMENTS, argument, "Unknown argument name: %s", name);
            }
        } else if (i < procedure.getArguments().size()) {
            names.put(procedure.getArguments().get(i).getName(), argument);
        } else {
            throw new SemanticException(INVALID_PROCEDURE_ARGUMENTS, call, "Too many arguments for procedure");
        }
    }
    // verify argument count
    if (names.size() < positions.size()) {
        throw new SemanticException(INVALID_PROCEDURE_ARGUMENTS, call, "Too few arguments for procedure");
    }
    // get argument values
    Object[] values = new Object[procedure.getArguments().size()];
    for (Entry<String, CallArgument> entry : names.entrySet()) {
        CallArgument callArgument = entry.getValue();
        int index = positions.get(entry.getKey());
        Argument argument = procedure.getArguments().get(index);
        Expression expression = ExpressionTreeRewriter.rewriteWith(new ParameterRewriter(parameters), callArgument.getValue());
        Type type = metadata.getType(argument.getType());
        checkCondition(type != null, INVALID_PROCEDURE_DEFINITION, "Unknown procedure argument type: %s", argument.getType());
        Object value = evaluateConstantExpression(expression, type, metadata, session, parameters);
        values[index] = toTypeObjectValue(session, type, value);
    }
    // validate arguments
    MethodType methodType = procedure.getMethodHandle().type();
    for (int i = 0; i < procedure.getArguments().size(); i++) {
        if ((values[i] == null) && methodType.parameterType(i).isPrimitive()) {
            String name = procedure.getArguments().get(i).getName();
            throw new PrestoException(INVALID_PROCEDURE_ARGUMENT, "Procedure argument cannot be null: " + name);
        }
    }
    // insert session argument
    List<Object> arguments = new ArrayList<>();
    Iterator<Object> valuesIterator = asList(values).iterator();
    for (Class<?> type : methodType.parameterList()) {
        if (ConnectorSession.class.isAssignableFrom(type)) {
            arguments.add(session.toConnectorSession(connectorId));
        } else {
            arguments.add(valuesIterator.next());
        }
    }
    try {
        procedure.getMethodHandle().invokeWithArguments(arguments);
    } catch (Throwable t) {
        if (t instanceof InterruptedException) {
            Thread.currentThread().interrupt();
        }
        propagateIfInstanceOf(t, PrestoException.class);
        throw new PrestoException(PROCEDURE_CALL_FAILED, t);
    }
    return immediateFuture(null);
}

Example 14 with TransactionManager

use of com.facebook.presto.transaction.TransactionManager in project presto by prestodb.

the class CreateViewTask method execute.

@Override
public ListenableFuture<?> execute(CreateView statement, TransactionManager transactionManager, Metadata metadata, AccessControl accessControl, QueryStateMachine stateMachine, List<Expression> parameters) {
    Session session = stateMachine.getSession();
    QualifiedObjectName name = createQualifiedObjectName(session, statement, statement.getName());
    accessControl.checkCanCreateView(session.getRequiredTransactionId(), session.getIdentity(), name);
    String sql = getFormattedSql(statement.getQuery(), sqlParser, Optional.of(parameters));
    Analysis analysis = analyzeStatement(statement, session, metadata, accessControl, parameters);
    List<ViewColumn> columns = analysis.getOutputDescriptor(statement.getQuery()).getVisibleFields().stream().map(field -> new ViewColumn(field.getName().get(), field.getType())).collect(toImmutableList());
    String data = codec.toJson(new ViewDefinition(sql, session.getCatalog(), session.getSchema(), columns, Optional.of(session.getUser())));
    metadata.createView(session, name, data, statement.isReplace());
    return immediateFuture(null);
}

Example 15 with TransactionManager

use of com.facebook.presto.transaction.TransactionManager in project presto by prestodb.

the class TestStartTransactionTask method testStartTransactionIdleExpiration.

@Test
public void testStartTransactionIdleExpiration() throws Exception {
    Session session = sessionBuilder().setClientTransactionSupport().build();
    TransactionManager transactionManager = TransactionManager.create(new TransactionManagerConfig().setIdleTimeout(// Fast idle timeout
    new Duration(1, TimeUnit.MICROSECONDS)).setIdleCheckInterval(new Duration(10, TimeUnit.MILLISECONDS)), scheduledExecutor, new CatalogManager(), executor);
    AccessControl accessControl = new AccessControlManager(transactionManager);
    QueryStateMachine stateMachine = QueryStateMachine.begin(new QueryId("query"), "START TRANSACTION", session, URI.create("fake://uri"), true, transactionManager, accessControl, executor, metadata);
    assertFalse(stateMachine.getSession().getTransactionId().isPresent());
    getFutureValue(new StartTransactionTask().execute(new StartTransaction(ImmutableList.of()), transactionManager, metadata, new AllowAllAccessControl(), stateMachine, emptyList()));
    assertFalse(stateMachine.getQueryInfoWithoutDetails().isClearTransactionId());
    assertTrue(stateMachine.getQueryInfoWithoutDetails().getStartedTransactionId().isPresent());
    long start = System.nanoTime();
    while (!transactionManager.getAllTransactionInfos().isEmpty()) {
        if (Duration.nanosSince(start).toMillis() > 10_000) {
            fail("Transaction did not expire in the allotted time");
        }
        TimeUnit.MILLISECONDS.sleep(10);
    }
}