Examples with TransactionManager io.prestosql.transaction.TransactionManager used on opensource projects

Example 11 with TransactionManager

use of io.prestosql.transaction.TransactionManager in project hetu-core by openlookeng.

the class TestPrepareTask method executePrepare.

private Map<String, String> executePrepare(String statementName, Statement statement, String sqlString, Session session) {
    TransactionManager transactionManager = createTestTransactionManager();
    QueryStateMachine stateMachine = QueryStateMachine.begin(sqlString, Optional.empty(), session, URI.create("fake://uri"), new ResourceGroupId("test"), new NoOpResourceGroupManager(), false, transactionManager, new AccessControlManager(transactionManager), executor, metadata, WarningCollector.NOOP);
    Prepare prepare = new Prepare(identifier(statementName), statement);
    new PrepareTask(new SqlParser()).execute(prepare, transactionManager, metadata, new AllowAllAccessControl(), stateMachine, emptyList(), new HeuristicIndexerManager(new FileSystemClientManager(), new HetuMetaStoreManager()));
    return stateMachine.getAddedPreparedStatements();
}

Example 12 with TransactionManager

use of io.prestosql.transaction.TransactionManager in project hetu-core by openlookeng.

the class TestRollbackTask method testUnknownTransactionRollback.

@Test
public void testUnknownTransactionRollback() {
    TransactionManager transactionManager = createTestTransactionManager();
    Session session = sessionBuilder().setTransactionId(// Use a random transaction ID that is unknown to the system
    TransactionId.create()).build();
    QueryStateMachine stateMachine = createQueryStateMachine("ROLLBACK", session, transactionManager);
    getFutureValue(new RollbackTask().execute(new Rollback(), transactionManager, metadata, new AllowAllAccessControl(), stateMachine, emptyList(), new HeuristicIndexerManager(new FileSystemClientManager(), new HetuMetaStoreManager())));
    // Still issue clear signal
    assertTrue(stateMachine.getQueryInfo(Optional.empty()).isClearTransactionId());
    assertFalse(stateMachine.getQueryInfo(Optional.empty()).getStartedTransactionId().isPresent());
    assertTrue(transactionManager.getAllTransactionInfos().isEmpty());
}

Example 13 with TransactionManager

use of io.prestosql.transaction.TransactionManager in project hetu-core by openlookeng.

the class TestStartTransactionTask method testStartTransactionTooManyIsolationLevels.

@Test
public void testStartTransactionTooManyIsolationLevels() {
    Session session = sessionBuilder().setClientTransactionSupport().build();
    TransactionManager transactionManager = createTestTransactionManager();
    QueryStateMachine stateMachine = createQueryStateMachine("START TRANSACTION", session, transactionManager);
    assertFalse(stateMachine.getSession().getTransactionId().isPresent());
    assertSemanticExceptionThrownBy(() -> getFutureValue(new StartTransactionTask().execute(new StartTransaction(ImmutableList.of(new Isolation(Isolation.Level.READ_COMMITTED), new Isolation(Isolation.Level.READ_COMMITTED))), transactionManager, metadata, new AllowAllAccessControl(), stateMachine, emptyList(), new HeuristicIndexerManager(new FileSystemClientManager(), new HetuMetaStoreManager())))).hasErrorCode(INVALID_TRANSACTION_MODE);
    assertTrue(transactionManager.getAllTransactionInfos().isEmpty());
    assertFalse(stateMachine.getQueryInfo(Optional.empty()).isClearTransactionId());
    assertFalse(stateMachine.getQueryInfo(Optional.empty()).getStartedTransactionId().isPresent());
}

Example 14 with TransactionManager

use of io.prestosql.transaction.TransactionManager in project hetu-core by openlookeng.

the class CreateViewTask method execute.

@Override
public ListenableFuture<?> execute(CreateView statement, TransactionManager transactionManager, Metadata metadata, AccessControl accessControl, QueryStateMachine stateMachine, List<Expression> parameters, HeuristicIndexerManager heuristicIndexerManager) {
    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, stateMachine.getWarningCollector());
    List<ViewColumn> columns = analysis.getOutputDescriptor(statement.getQuery()).getVisibleFields().stream().map(field -> new ViewColumn(field.getName().get(), field.getType().getTypeSignature())).collect(toImmutableList());
    // use DEFINER security by default
    Optional<String> owner = Optional.of(session.getUser());
    if (statement.getSecurity().orElse(null) == INVOKER) {
        owner = Optional.empty();
    }
    ConnectorViewDefinition definition = new ConnectorViewDefinition(sql, session.getCatalog(), session.getSchema(), columns, owner, !owner.isPresent());
    metadata.createView(session, name, definition, statement.isReplace());
    return immediateFuture(null);
}

Example 15 with TransactionManager

use of io.prestosql.transaction.TransactionManager in project hetu-core by openlookeng.

the class RevokeRolesTask method execute.

@Override
public ListenableFuture<?> execute(RevokeRoles statement, TransactionManager transactionManager, Metadata metadata, AccessControl accessControl, QueryStateMachine stateMachine, List<Expression> parameters, HeuristicIndexerManager heuristicIndexerManager) {
    Session session = stateMachine.getSession();
    Set<String> roles = statement.getRoles().stream().map(role -> role.getValue().toLowerCase(Locale.ENGLISH)).collect(toImmutableSet());
    Set<PrestoPrincipal> grantees = statement.getGrantees().stream().map(MetadataUtil::createPrincipal).collect(toImmutableSet());
    boolean adminOptionFor = statement.isAdminOptionFor();
    Optional<PrestoPrincipal> grantor = statement.getGrantor().map(specification -> createPrincipal(session, specification));
    String catalog = createCatalogName(session, statement);
    Set<String> availableRoles = metadata.listRoles(session, catalog);
    Set<String> specifiedRoles = new LinkedHashSet<>();
    specifiedRoles.addAll(roles);
    grantees.stream().filter(principal -> principal.getType() == ROLE).map(PrestoPrincipal::getName).forEach(specifiedRoles::add);
    if (grantor.isPresent() && grantor.get().getType() == ROLE) {
        specifiedRoles.add(grantor.get().getName());
    }
    for (String role : specifiedRoles) {
        if (!availableRoles.contains(role)) {
            throw new SemanticException(MISSING_ROLE, statement, "Role '%s' does not exist", role);
        }
    }
    accessControl.checkCanRevokeRoles(session.getRequiredTransactionId(), session.getIdentity(), roles, grantees, adminOptionFor, grantor, catalog);
    metadata.revokeRoles(session, roles, grantees, adminOptionFor, grantor, catalog);
    return immediateFuture(null);
}