Examples with TableSpaceManager herddb.core.TableSpaceManager used on opensource projects

Example 6 with TableSpaceManager

use of herddb.core.TableSpaceManager in project herddb by diennea.

the class BookkeeperFailuresTest method testFencingDuringTransaction.

@Test
public void testFencingDuringTransaction() throws Exception {
    ServerConfiguration serverconfig_1 = new ServerConfiguration(folder.newFolder().toPath());
    serverconfig_1.set(ServerConfiguration.PROPERTY_NODEID, "server1");
    serverconfig_1.set(ServerConfiguration.PROPERTY_PORT, 7867);
    serverconfig_1.set(ServerConfiguration.PROPERTY_MODE, ServerConfiguration.PROPERTY_MODE_CLUSTER);
    serverconfig_1.set(ServerConfiguration.PROPERTY_ZOOKEEPER_ADDRESS, testEnv.getAddress());
    serverconfig_1.set(ServerConfiguration.PROPERTY_ZOOKEEPER_PATH, testEnv.getPath());
    serverconfig_1.set(ServerConfiguration.PROPERTY_ZOOKEEPER_SESSIONTIMEOUT, testEnv.getTimeout());
    serverconfig_1.set(ServerConfiguration.PROPERTY_ENFORCE_LEADERSHIP, false);
    ServerConfiguration serverconfig_2 = serverconfig_1.copy().set(ServerConfiguration.PROPERTY_NODEID, "server2").set(ServerConfiguration.PROPERTY_BASEDIR, folder.newFolder().toPath().toAbsolutePath()).set(ServerConfiguration.PROPERTY_PORT, 7868);
    try (Server server = new Server(serverconfig_1)) {
        server.start();
        server.waitForStandaloneBoot();
        Table table = Table.builder().name("t1").column("c", ColumnTypes.INTEGER).primaryKey("c").build();
        server.getManager().executeStatement(new CreateTableStatement(table), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        StatementExecutionResult executeStatement = server.getManager().executeUpdate(new InsertStatement(TableSpace.DEFAULT, "t1", RecordSerializer.makeRecord(table, "c", 1)), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.AUTOTRANSACTION_TRANSACTION);
        long transactionId = executeStatement.transactionId;
        server.getManager().executeUpdate(new InsertStatement(TableSpace.DEFAULT, "t1", RecordSerializer.makeRecord(table, "c", 2)), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), new TransactionContext(transactionId));
        server.getManager().executeUpdate(new InsertStatement(TableSpace.DEFAULT, "t1", RecordSerializer.makeRecord(table, "c", 3)), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), new TransactionContext(transactionId));
        TableSpaceManager tableSpaceManager = server.getManager().getTableSpaceManager(TableSpace.DEFAULT);
        BookkeeperCommitLog log = (BookkeeperCommitLog) tableSpaceManager.getLog();
        long ledgerId = log.getLastSequenceNumber().ledgerId;
        assertTrue(ledgerId >= 1);
        // we do not want auto-recovery
        server.getManager().setActivatorPauseStatus(true);
        try (BookKeeper bk = createBookKeeper()) {
            try (LedgerHandle fenceLedger = bk.openLedger(ledgerId, BookKeeper.DigestType.CRC32, "herddb".getBytes(StandardCharsets.UTF_8))) {
            }
        }
        // transaction will continue and see the failure only the time of the commit
        server.getManager().executeUpdate(new InsertStatement(TableSpace.DEFAULT, "t1", RecordSerializer.makeRecord(table, "c", 4)), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), new TransactionContext(transactionId));
        server.getManager().executeUpdate(new InsertStatement(TableSpace.DEFAULT, "t1", RecordSerializer.makeRecord(table, "c", 5)), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), new TransactionContext(transactionId));
        server.getManager().executeUpdate(new InsertStatement(TableSpace.DEFAULT, "t1", RecordSerializer.makeRecord(table, "c", 6)), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), new TransactionContext(transactionId));
        try {
            server.getManager().executeStatement(new CommitTransactionStatement(TableSpace.DEFAULT, transactionId), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
            fail();
        } catch (StatementExecutionException expected) {
        }
        while (true) {
            System.out.println("status leader:" + tableSpaceManager.isLeader() + " failed:" + tableSpaceManager.isFailed());
            if (tableSpaceManager.isFailed()) {
                break;
            }
            Thread.sleep(100);
        }
        server.getManager().setActivatorPauseStatus(false);
        server.getManager().triggerActivator(ActivatorRunRequest.TABLESPACEMANAGEMENT);
        while (true) {
            TableSpaceManager tableSpaceManager_after_failure = server.getManager().getTableSpaceManager(TableSpace.DEFAULT);
            System.out.println("tableSpaceManager_after_failure:" + tableSpaceManager_after_failure);
            System.out.println("tableSpaceManager:" + tableSpaceManager);
            if (tableSpaceManager_after_failure != null && tableSpaceManager_after_failure != tableSpaceManager) {
                break;
            }
            Thread.sleep(1000);
            server.getManager().triggerActivator(ActivatorRunRequest.TABLESPACEMANAGEMENT);
        }
        TableSpaceManager tableSpaceManager_after_failure = server.getManager().getTableSpaceManager(TableSpace.DEFAULT);
        Assert.assertNotNull(tableSpaceManager_after_failure);
        assertNotSame(tableSpaceManager_after_failure, tableSpaceManager);
        assertTrue(!tableSpaceManager_after_failure.isFailed());
        server.getManager().executeUpdate(new InsertStatement(TableSpace.DEFAULT, "t1", RecordSerializer.makeRecord(table, "c", 4)), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        try (DataScanner scan = scan(server.getManager(), "select * from t1", Collections.emptyList())) {
            assertEquals(1, scan.consume().size());
        }
    }
}

Example 7 with TableSpaceManager

use of herddb.core.TableSpaceManager in project herddb by diennea.

the class ClientMultiServerTest method test_leader_switch.

@Test
public void test_leader_switch() throws Exception {
    ServerConfiguration serverconfig_1 = new ServerConfiguration(folder.newFolder("server1").toPath());
    serverconfig_1.set(ServerConfiguration.PROPERTY_NODEID, "server1");
    serverconfig_1.set(ServerConfiguration.PROPERTY_PORT, 7867);
    serverconfig_1.set(ServerConfiguration.PROPERTY_MODE, ServerConfiguration.PROPERTY_MODE_CLUSTER);
    serverconfig_1.set(ServerConfiguration.PROPERTY_ZOOKEEPER_ADDRESS, testEnv.getAddress());
    serverconfig_1.set(ServerConfiguration.PROPERTY_ZOOKEEPER_PATH, testEnv.getPath());
    serverconfig_1.set(ServerConfiguration.PROPERTY_ZOOKEEPER_SESSIONTIMEOUT, testEnv.getTimeout());
    ServerConfiguration serverconfig_2 = serverconfig_1.copy().set(ServerConfiguration.PROPERTY_NODEID, "server2").set(ServerConfiguration.PROPERTY_BASEDIR, folder.newFolder("server2").toPath().toAbsolutePath()).set(ServerConfiguration.PROPERTY_PORT, 7868);
    try (Server server_1 = new Server(serverconfig_1)) {
        server_1.start();
        server_1.waitForStandaloneBoot();
        Table table = Table.builder().name("t1").column("c", ColumnTypes.INTEGER).primaryKey("c").build();
        server_1.getManager().executeStatement(new CreateTableStatement(table), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        server_1.getManager().executeUpdate(new InsertStatement(TableSpace.DEFAULT, "t1", RecordSerializer.makeRecord(table, "c", 1)), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        server_1.getManager().executeUpdate(new InsertStatement(TableSpace.DEFAULT, "t1", RecordSerializer.makeRecord(table, "c", 2)), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        try (Server server_2 = new Server(serverconfig_2)) {
            server_2.start();
            server_1.getManager().executeStatement(new AlterTableSpaceStatement(TableSpace.DEFAULT, new HashSet<>(Arrays.asList("server1", "server2")), "server1", 2, 0), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
            assertTrue(server_2.getManager().waitForTablespace(TableSpace.DEFAULT, 60000, false));
            server_2.getManager().setErrorIfNotLeader(false);
            // wait for data to arrive on server_2
            for (int i = 0; i < 100; i++) {
                GetResult found = server_2.getManager().get(new GetStatement(TableSpace.DEFAULT, "t1", Bytes.from_int(1), null, false), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
                if (found.found()) {
                    break;
                }
                Thread.sleep(100);
            }
            assertTrue(server_2.getManager().get(new GetStatement(TableSpace.DEFAULT, "t1", Bytes.from_int(1), null, false), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION).found());
            server_2.getManager().setErrorIfNotLeader(true);
            ClientConfiguration client_configuration = new ClientConfiguration(folder.newFolder().toPath());
            client_configuration.set(ClientConfiguration.PROPERTY_MODE, ServerConfiguration.PROPERTY_MODE_CLUSTER);
            client_configuration.set(ClientConfiguration.PROPERTY_ZOOKEEPER_ADDRESS, testEnv.getAddress());
            client_configuration.set(ClientConfiguration.PROPERTY_ZOOKEEPER_PATH, testEnv.getPath());
            client_configuration.set(ClientConfiguration.PROPERTY_ZOOKEEPER_SESSIONTIMEOUT, testEnv.getTimeout());
            try (HDBClient client = new HDBClient(client_configuration);
                HDBConnection connection = client.openConnection()) {
                try (ScanResultSet scan = connection.executeScan(TableSpace.DEFAULT, "SELECT * FROM t1 WHERE c=1", Collections.emptyList(), 0, 0, 10)) {
                    assertEquals(1, scan.consume().size());
                }
                // switch leader to server2
                server_2.getManager().executeStatement(new AlterTableSpaceStatement(TableSpace.DEFAULT, new HashSet<>(Arrays.asList("server1", "server2")), "server2", 2, 0), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
                // wait that server_1 leaves leadership
                for (int i = 0; i < 100; i++) {
                    TableSpaceManager tManager = server_1.getManager().getTableSpaceManager(TableSpace.DEFAULT);
                    if (tManager != null && !tManager.isLeader()) {
                        break;
                    }
                    Thread.sleep(100);
                }
                TableSpaceManager tManager = server_1.getManager().getTableSpaceManager(TableSpace.DEFAULT);
                assertTrue(tManager != null && !tManager.isLeader());
                // the client MUST automatically look for the new leader
                try (ScanResultSet scan = connection.executeScan(TableSpace.DEFAULT, "SELECT * FROM t1 WHERE c=1", Collections.emptyList(), 0, 0, 10)) {
                    assertEquals(1, scan.consume().size());
                }
            }
            // assert  that server_1 is not accepting request any more
            try (HDBClient client_to_1 = new HDBClient(new ClientConfiguration(folder.newFolder().toPath()));
                HDBConnection connection = client_to_1.openConnection()) {
                client_to_1.setClientSideMetadataProvider(new StaticClientSideMetadataProvider(server_1));
                try (ScanResultSet scan = connection.executeScan(TableSpace.DEFAULT, "SELECT * FROM t1 WHERE c=1", Collections.emptyList(), 0, 0, 10)) {
                    fail("server_1 MUST not accept queries");
                } catch (ClientSideMetadataProviderException ok) {
                }
            }
            // assert that server_2 is accepting requests
            try (HDBClient client_to_2 = new HDBClient(new ClientConfiguration(folder.newFolder().toPath()));
                HDBConnection connection = client_to_2.openConnection()) {
                client_to_2.setClientSideMetadataProvider(new StaticClientSideMetadataProvider(server_2));
                try (ScanResultSet scan = connection.executeScan(TableSpace.DEFAULT, "SELECT * FROM t1 WHERE c=1", Collections.emptyList(), 0, 0, 10)) {
                    assertEquals(1, scan.consume().size());
                }
            }
        }
    }
}

Example 8 with TableSpaceManager

use of herddb.core.TableSpaceManager in project herddb by diennea.

the class EmbeddedBookieTest method test_boot_with_bookie.

@Test
public void test_boot_with_bookie() throws Exception {
    ServerConfiguration serverconfig_1 = new ServerConfiguration(folder.newFolder("server1").toPath());
    serverconfig_1.set(ServerConfiguration.PROPERTY_NODEID, "server1");
    serverconfig_1.set(ServerConfiguration.PROPERTY_PORT, 7867);
    serverconfig_1.set(ServerConfiguration.PROPERTY_MODE, ServerConfiguration.PROPERTY_MODE_CLUSTER);
    serverconfig_1.set(ServerConfiguration.PROPERTY_ZOOKEEPER_ADDRESS, testEnv.getAddress());
    serverconfig_1.set(ServerConfiguration.PROPERTY_ZOOKEEPER_PATH, testEnv.getPath());
    serverconfig_1.set(ServerConfiguration.PROPERTY_ZOOKEEPER_SESSIONTIMEOUT, testEnv.getTimeout());
    serverconfig_1.set(ServerConfiguration.PROPERTY_BOOKKEEPER_START, true);
    serverconfig_1.set("bookie.allowLoopback", true);
    ServerConfiguration serverconfig_2 = serverconfig_1.copy().set(ServerConfiguration.PROPERTY_NODEID, "server2").set(ServerConfiguration.PROPERTY_BASEDIR, folder.newFolder("server2").toPath().toAbsolutePath()).set(ServerConfiguration.PROPERTY_PORT, 7868).set(ServerConfiguration.PROPERTY_BOOKKEEPER_BOOKIE_PORT, 3182);
    try (Server server_1 = new Server(serverconfig_1)) {
        server_1.start();
        server_1.waitForStandaloneBoot();
        Table table = Table.builder().name("t1").column("c", ColumnTypes.INTEGER).primaryKey("c").build();
        server_1.getManager().executeStatement(new CreateTableStatement(table), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        server_1.getManager().executeUpdate(new InsertStatement(TableSpace.DEFAULT, "t1", RecordSerializer.makeRecord(table, "c", 1)), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        server_1.getManager().executeUpdate(new InsertStatement(TableSpace.DEFAULT, "t1", RecordSerializer.makeRecord(table, "c", 2)), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        try (Server server_2 = new Server(serverconfig_2)) {
            server_2.start();
            server_1.getManager().executeStatement(new AlterTableSpaceStatement(TableSpace.DEFAULT, new HashSet<>(Arrays.asList("server1", "server2")), "server1", 2, 0), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
            assertTrue(server_2.getManager().waitForTablespace(TableSpace.DEFAULT, 60000, false));
            server_2.getManager().setErrorIfNotLeader(false);
            // wait for data to arrive on server_2
            for (int i = 0; i < 100; i++) {
                GetResult found = server_2.getManager().get(new GetStatement(TableSpace.DEFAULT, "t1", Bytes.from_int(1), null, false), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
                if (found.found()) {
                    break;
                }
                Thread.sleep(100);
            }
            assertTrue(server_2.getManager().get(new GetStatement(TableSpace.DEFAULT, "t1", Bytes.from_int(1), null, false), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION).found());
            server_2.getManager().setErrorIfNotLeader(true);
            ClientConfiguration client_configuration = new ClientConfiguration(folder.newFolder().toPath());
            client_configuration.set(ClientConfiguration.PROPERTY_MODE, ServerConfiguration.PROPERTY_MODE_CLUSTER);
            client_configuration.set(ClientConfiguration.PROPERTY_ZOOKEEPER_ADDRESS, testEnv.getAddress());
            client_configuration.set(ClientConfiguration.PROPERTY_ZOOKEEPER_PATH, testEnv.getPath());
            client_configuration.set(ClientConfiguration.PROPERTY_ZOOKEEPER_SESSIONTIMEOUT, testEnv.getTimeout());
            try (HDBClient client = new HDBClient(client_configuration);
                HDBConnection connection = client.openConnection()) {
                try (ScanResultSet scan = connection.executeScan(TableSpace.DEFAULT, "SELECT * FROM t1 WHERE c=1", Collections.emptyList(), 0, 0, 10)) {
                    assertEquals(1, scan.consume().size());
                }
                // switch leader to server2
                server_2.getManager().executeStatement(new AlterTableSpaceStatement(TableSpace.DEFAULT, new HashSet<>(Arrays.asList("server1", "server2")), "server2", 2, 0), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
                // wait that server_1 leaves leadership
                for (int i = 0; i < 100; i++) {
                    TableSpaceManager tManager = server_1.getManager().getTableSpaceManager(TableSpace.DEFAULT);
                    if (tManager != null && !tManager.isLeader()) {
                        break;
                    }
                    Thread.sleep(100);
                }
                TableSpaceManager tManager = server_1.getManager().getTableSpaceManager(TableSpace.DEFAULT);
                assertTrue(tManager != null && !tManager.isLeader());
                // the client MUST automatically look for the new leader
                try (ScanResultSet scan = connection.executeScan(TableSpace.DEFAULT, "SELECT * FROM t1 WHERE c=1", Collections.emptyList(), 0, 0, 10)) {
                    assertEquals(1, scan.consume().size());
                }
            }
            // assert  that server_1 is not accepting request any more
            try (HDBClient client_to_1 = new HDBClient(new ClientConfiguration(folder.newFolder().toPath()));
                HDBConnection connection = client_to_1.openConnection()) {
                client_to_1.setClientSideMetadataProvider(new StaticClientSideMetadataProvider(server_1));
                try (ScanResultSet scan = connection.executeScan(TableSpace.DEFAULT, "SELECT * FROM t1 WHERE c=1", Collections.emptyList(), 0, 0, 10)) {
                    fail("server_1 MUST not accept queries");
                } catch (ClientSideMetadataProviderException ok) {
                }
            }
            // assert that server_2 is accepting requests
            try (HDBClient client_to_2 = new HDBClient(new ClientConfiguration(folder.newFolder().toPath()));
                HDBConnection connection = client_to_2.openConnection()) {
                client_to_2.setClientSideMetadataProvider(new StaticClientSideMetadataProvider(server_2));
                try (ScanResultSet scan = connection.executeScan(TableSpace.DEFAULT, "SELECT * FROM t1 WHERE c=1", Collections.emptyList(), 0, 0, 10)) {
                    assertEquals(1, scan.consume().size());
                }
            }
        }
    }
}

Example 9 with TableSpaceManager

use of herddb.core.TableSpaceManager in project herddb by diennea.

the class UpgradeFrom050WithBrinIndexesTest method test.

private void test(String file) throws Exception {
    File dbdatadir = folder.newFolder("dbdata050_" + file);
    try (InputStream in = UpgradeFrom050WithBrinIndexesTest.class.getResourceAsStream(file)) {
        ZIPUtils.unZip(in, dbdatadir);
    }
    final Path dbdata = dbdatadir.toPath().resolve("dbdata");
    Path metadataPath = dbdata.resolve("metadata");
    Path dataPath = dbdata.resolve("data");
    Path logsPath = dbdata.resolve("txlog");
    Path tmoDir = dbdata.resolve("tmp");
    assertTrue(Files.isDirectory(metadataPath));
    assertTrue(Files.isDirectory(dataPath));
    assertTrue(Files.isDirectory(logsPath));
    Path nodeid = dataPath.resolve("nodeid");
    assertTrue(Files.isRegularFile(nodeid));
    String id = new String(Files.readAllBytes(nodeid), StandardCharsets.UTF_8);
    System.out.println("id:" + id);
    String expectedNodeId = "capra";
    assertTrue(id.endsWith("\n" + expectedNodeId));
    try (DBManager manager = new DBManager(expectedNodeId, new FileMetadataStorageManager(metadataPath), new FileDataStorageManager(dataPath), new FileCommitLogManager(logsPath), tmoDir, null)) {
        manager.start();
        final String tableSpace = "herd";
        final String tableName = "testtable";
        assertEquals(expectedNodeId, manager.getNodeId());
        assertTrue(manager.waitForTablespace(tableSpace, 10000));
        TableSpaceManager tableSpaceManager = manager.getTableSpaceManager(tableSpace);
        AbstractTableManager tableManager = tableSpaceManager.getTableManager(tableName);
        List<Index> indexes = tableManager.getAvailableIndexes();
        for (Index e : indexes) {
            System.out.println("INDEX: " + e);
            assertEquals(e.type, Index.TYPE_BRIN);
        }
        assertEquals(4, indexes.size());
        for (Column c : tableManager.getTable().getColumns()) {
            System.out.println("COLUMN :" + c);
        }
        {
            TranslatedQuery translated = manager.getPlanner().translate(tableSpace, "SELECT * FROM " + tableName + " ORDER BY pk,n1,n2", Collections.emptyList(), true, true, false, -1);
            ScanStatement scan = translated.plan.mainStatement.unwrap(ScanStatement.class);
            System.out.println("TABLE CONTENTS");
            try (DataScanner scan1 = manager.scan(scan, translated.context, TransactionContext.NO_TRANSACTION)) {
                for (DataAccessor r : scan1.consume()) {
                    System.out.println("RECORD " + r.toMap());
                }
            }
        }
        test(new TestCase("SELECT * FROM " + tableSpace + "." + tableName + " WHERE n1=1", SecondaryIndexSeek.class, 4), manager, tableSpace);
        // this could be SecondaryIndexSeek but we have more indexes and the planner is not so smart
        test(new TestCase("SELECT * FROM " + tableSpace + "." + tableName + " WHERE n2=3", SecondaryIndexPrefixScan.class, 2), manager, tableSpace);
        test(new TestCase("SELECT * FROM " + tableSpace + "." + tableName + " WHERE n2>=3", SecondaryIndexRangeScan.class, 3), manager, tableSpace);
        test(new TestCase("SELECT * FROM " + tableSpace + "." + tableName + " WHERE n1=1 and n2=3", SecondaryIndexPrefixScan.class, 1), manager, tableSpace);
    }
}

Example 10 with TableSpaceManager

use of herddb.core.TableSpaceManager in project herddb by diennea.

the class JSQLParserPlanner method queryConsistencyCheckStatement.

public Statement queryConsistencyCheckStatement(String defaultTablespace, String query, List<Object> parameters) {
    if (query.startsWith(TABLE_CONSISTENCY_COMMAND)) {
        query = query.substring(query.substring(0, 21).length());
        String tableSpace = defaultTablespace;
        String tableName;
        if (query.contains(".")) {
            String[] tokens = query.split("\\.");
            tableSpace = tokens[0].trim().replaceAll("\'", "");
            tableName = tokens[1].trim().replaceAll("\'", "");
        } else {
            tableName = query.trim();
        }
        TableSpaceManager tableSpaceManager = manager.getTableSpaceManager(tableSpace);
        if (tableSpaceManager == null) {
            throw new TableSpaceDoesNotExistException(String.format("Tablespace %s does not exist.", tableSpace));
        }
        AbstractTableManager tableManager = tableSpaceManager.getTableManager(tableName);
        if (tableManager == null || tableManager.getCreatedInTransaction() > 0) {
            throw new TableDoesNotExistException(String.format("Table %s does not exist.", tableName));
        }
        return new TableConsistencyCheckStatement(tableName, tableSpace);
    } else {
        throw new StatementExecutionException(String.format("Incorrect Syntax for tableconsistencycheck"));
    }
}