Examples with HDBClient herddb.client.HDBClient used on opensource projects

Example 1 with HDBClient

use of herddb.client.HDBClient in project herddb by diennea.

the class BaseBench method startServer.

@Before
public void startServer() throws Exception {
    makeServerConfiguration();
    threadpool = Executors.newFixedThreadPool(numThreads);
    server = new Server(serverConfiguration);
    server.start();
    server.waitForStandaloneBoot();
    client = new HDBClient(new ClientConfiguration(folder.newFolder().toPath()));
    client.setClientSideMetadataProvider(new StaticClientSideMetadataProvider(server));
    dataSource = new BasicHerdDBDataSource(client);
}

Example 2 with HDBClient

use of herddb.client.HDBClient in project herddb by diennea.

the class BackupRestoreTest method test_backup_restore_with_deletes.

/**
 * Check that restore a dirty delete doesn't revive a record (it is: a phantom deleted record on a dirty page)
 */
@Test
public void test_backup_restore_with_deletes() 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);
    /* Disable page compaction (avoid compaction of dirty page) */
    serverconfig_1.set(ServerConfiguration.PROPERTY_FILL_PAGE_THRESHOLD, 0.0D);
    ServerConfiguration serverconfig_2 = serverconfig_1.copy().set(ServerConfiguration.PROPERTY_NODEID, "server2").set(ServerConfiguration.PROPERTY_BASEDIR, folder.newFolder().toPath().toAbsolutePath()).set(ServerConfiguration.PROPERTY_PORT, 7868);
    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 (Server server_1 = new Server(serverconfig_1)) {
        server_1.start();
        server_1.waitForStandaloneBoot();
        Table table = Table.builder().name("t1").column("c", ColumnTypes.INTEGER).column("d", ColumnTypes.INTEGER).primaryKey("c").build();
        DBManager manager = server_1.getManager();
        manager.executeStatement(new CreateTableStatement(table), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        manager.executeUpdate(new InsertStatement(TableSpace.DEFAULT, table.name, RecordSerializer.makeRecord(table, "c", 1, "d", 2)), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        manager.executeUpdate(new InsertStatement(TableSpace.DEFAULT, table.name, RecordSerializer.makeRecord(table, "c", 2, "d", 2)), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        manager.executeUpdate(new InsertStatement(TableSpace.DEFAULT, table.name, RecordSerializer.makeRecord(table, "c", 3, "d", 2)), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        manager.executeUpdate(new InsertStatement(TableSpace.DEFAULT, table.name, RecordSerializer.makeRecord(table, "c", 4, "d", 2)), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        manager.checkpoint();
        /* Check that new data isn't in a dirty page  */
        assertEquals(0, manager.getTableSpaceManager(TableSpace.DEFAULT).getTableManager(table.name).getStats().getDirtypages());
        manager.executeUpdate(new DeleteStatement(TableSpace.DEFAULT, table.name, Bytes.from_int(1), null), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        manager.executeUpdate(new InsertStatement(TableSpace.DEFAULT, table.name, RecordSerializer.makeRecord(table, "c", 5, "d", 2)), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        /* Now we have a dirty page in the checkpoint */
        manager.checkpoint();
        /* Check that a dirty page exists */
        assertEquals(1, manager.getTableSpaceManager(TableSpace.DEFAULT).getTableManager(table.name).getStats().getDirtypages());
        try (Server server_2 = new Server(serverconfig_2)) {
            server_2.start();
            try (HDBClient client = new HDBClient(client_configuration);
                HDBConnection connection = client.openConnection()) {
                assertEquals(4, connection.executeScan(TableSpace.DEFAULT, "SELECT * FROM t1", Collections.emptyList(), 0, 0, 10).consume().size());
                ByteArrayOutputStream oo = new ByteArrayOutputStream();
                BackupUtils.dumpTableSpace(TableSpace.DEFAULT, 64 * 1024, connection, oo, new ProgressListener() {
                });
                byte[] backupData = oo.toByteArray();
                connection.executeUpdate(TableSpace.DEFAULT, "DELETE FROM t1", 0, false, Collections.emptyList());
                assertEquals(0, connection.executeScan(TableSpace.DEFAULT, "SELECT * FROM t1", Collections.emptyList(), 0, 0, 10).consume().size());
                BackupUtils.restoreTableSpace("newts", server_2.getNodeId(), connection, new ByteArrayInputStream(backupData), new ProgressListener() {
                });
                /* No new insert AND no delete... if 5 it did see the new insert but missed the delete! */
                assertEquals(4, connection.executeScan("newts", "SELECT * FROM newts.t1", Collections.emptyList(), 0, 0, 10).consume().size());
            }
        }
    }
}

Example 3 with HDBClient

use of herddb.client.HDBClient in project herddb by diennea.

the class BackupRestoreTest method test_backup_restore.

@Test
public void test_backup_restore() 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);
    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 (Server server_1 = new Server(serverconfig_1)) {
        server_1.start();
        server_1.waitForStandaloneBoot();
        Table table = Table.builder().name("t1").column("c", ColumnTypes.INTEGER).column("d", ColumnTypes.INTEGER).primaryKey("c").build();
        Index index = Index.builder().onTable(table).column("d", ColumnTypes.INTEGER).type(Index.TYPE_BRIN).build();
        server_1.getManager().executeStatement(new CreateTableStatement(table), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        server_1.getManager().executeStatement(new CreateIndexStatement(index), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        server_1.getManager().executeUpdate(new InsertStatement(TableSpace.DEFAULT, "t1", RecordSerializer.makeRecord(table, "c", 1, "d", 2)), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        server_1.getManager().executeUpdate(new InsertStatement(TableSpace.DEFAULT, "t1", RecordSerializer.makeRecord(table, "c", 2, "d", 2)), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        server_1.getManager().executeUpdate(new InsertStatement(TableSpace.DEFAULT, "t1", RecordSerializer.makeRecord(table, "c", 3, "d", 2)), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        server_1.getManager().executeUpdate(new InsertStatement(TableSpace.DEFAULT, "t1", RecordSerializer.makeRecord(table, "c", 4, "d", 2)), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        try (Server server_2 = new Server(serverconfig_2)) {
            server_2.start();
            try (HDBClient client = new HDBClient(client_configuration);
                HDBConnection connection = client.openConnection()) {
                assertEquals(4, connection.executeScan(TableSpace.DEFAULT, "SELECT * FROM t1", Collections.emptyList(), 0, 0, 10).consume().size());
                ByteArrayOutputStream oo = new ByteArrayOutputStream();
                BackupUtils.dumpTableSpace(TableSpace.DEFAULT, 64 * 1024, connection, oo, new ProgressListener() {
                });
                byte[] backupData = oo.toByteArray();
                connection.executeUpdate(TableSpace.DEFAULT, "DELETE FROM t1", 0, false, Collections.emptyList());
                assertEquals(0, connection.executeScan(TableSpace.DEFAULT, "SELECT * FROM t1", Collections.emptyList(), 0, 0, 10).consume().size());
                BackupUtils.restoreTableSpace("newts", server_2.getNodeId(), connection, new ByteArrayInputStream(backupData), new ProgressListener() {
                });
                assertEquals(4, connection.executeScan("newts", "SELECT * FROM newts.t1", Collections.emptyList(), 0, 0, 10).consume().size());
                assertEquals(1, server_2.getManager().getTableSpaceManager("newts").getIndexesOnTable("t1").size());
            }
        }
    }
}

Example 4 with HDBClient

use of herddb.client.HDBClient 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 5 with HDBClient

use of herddb.client.HDBClient in project herddb by diennea.

the class DeleteCheckpointFilesTest method test.

@Test
public void test() throws Exception {
    ServerConfiguration serverConfiguration = new ServerConfiguration(folder.newFolder().toPath());
    try (Server server = new Server(serverConfiguration)) {
        server.start();
        try (HDBClient client = new HDBClient(new ClientConfiguration(folder.newFolder().toPath()));
            HDBConnection connection = client.openConnection()) {
            client.setClientSideMetadataProvider(new StaticClientSideMetadataProvider(server));
            server.waitForStandaloneBoot();
            long resultCreateTable = connection.executeUpdate(TableSpace.DEFAULT, "CREATE TABLE mytable (id string primary key, n1 long, n2 integer)", 0, false, Collections.emptyList()).updateCount;
            Assert.assertEquals(1, resultCreateTable);
            long resultCreateIndex = connection.executeUpdate(TableSpace.DEFAULT, "CREATE HASH INDEX myhashindex on mytable (n2)", 0, false, Collections.emptyList()).updateCount;
            Assert.assertEquals(1, resultCreateIndex);
            long resultCreateIndex2 = connection.executeUpdate(TableSpace.DEFAULT, "CREATE BRIN INDEX mybrinindex on mytable (n1)", 0, false, Collections.emptyList()).updateCount;
            Assert.assertEquals(1, resultCreateIndex2);
            Assert.assertEquals(1, connection.executeUpdate(TableSpace.DEFAULT, "INSERT INTO mytable (id,n1,n2) values(?,?,?)", 0, false, Arrays.asList("test_0", 1, 2)).updateCount);
            Map<String, Object> newValue = connection.executeUpdate(TableSpace.DEFAULT, "UPDATE mytable set n1= n1+1 where id=?", 0, true, Arrays.asList("test_0")).newvalue;
            assertEquals(Long.valueOf(2), newValue.get("n1"));
            server.getManager().checkpoint();
            server.getManager().checkpoint();
            Assert.assertEquals(1, connection.executeUpdate(TableSpace.DEFAULT, "INSERT INTO mytable (id,n1,n2) values(?,?,?)", 0, false, Arrays.asList("test_1", 2, 2)).updateCount);
            server.getManager().checkpoint();
            try (DataScanner scan = TestUtils.scan(server.getManager(), "SELECT * FROM mytable WHERE n2 = ?", Arrays.asList(2))) {
                assertEquals(2, scan.consume().size());
            }
            try (DataScanner scan = TestUtils.scan(server.getManager(), "SELECT * FROM mytable WHERE n1 = ?", Arrays.asList(2))) {
                assertEquals(2, scan.consume().size());
            }
        }
    }
    try (Server server = new Server(serverConfiguration)) {
        server.start();
        server.waitForStandaloneBoot();
        try (DataScanner scan = TestUtils.scan(server.getManager(), "SELECT * FROM mytable WHERE n2 = ?", Arrays.asList(2))) {
            assertEquals(2, scan.consume().size());
        }
        try (DataScanner scan = TestUtils.scan(server.getManager(), "SELECT * FROM mytable WHERE n1 = ?", Arrays.asList(2))) {
            assertEquals(2, scan.consume().size());
        }
    }
}