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Example 81 with Server

use of herddb.server.Server 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 = newServerConfigurationWithAutoPort(folder.newFolder().toPath());
    serverconfig_1.set(ServerConfiguration.PROPERTY_NODEID, "server1");
    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());
    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", true, Collections.emptyList(), 0, 0, 10, true).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, true, Collections.emptyList());
                assertEquals(0, connection.executeScan(TableSpace.DEFAULT, "SELECT * FROM t1", true, Collections.emptyList(), 0, 0, 10, true).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", true, Collections.emptyList(), 0, 0, 10, true).consume().size());
            }
        }
    }
}
Also used : Table(herddb.model.Table) Server(herddb.server.Server) ServerConfiguration(herddb.server.ServerConfiguration) CreateTableStatement(herddb.model.commands.CreateTableStatement) ByteArrayOutputStream(java.io.ByteArrayOutputStream) DeleteStatement(herddb.model.commands.DeleteStatement) InsertStatement(herddb.model.commands.InsertStatement) HDBConnection(herddb.client.HDBConnection) DBManager(herddb.core.DBManager) HDBClient(herddb.client.HDBClient) ProgressListener(herddb.backup.ProgressListener) ByteArrayInputStream(java.io.ByteArrayInputStream) ClientConfiguration(herddb.client.ClientConfiguration) Test(org.junit.Test)

Example 82 with Server

use of herddb.server.Server in project herddb by diennea.

the class MultiServerCreateTableSpaceWaitTest method test_start_table_space_and_wait.

@Test
public void test_start_table_space_and_wait() throws Exception {
    ServerConfiguration serverconfig_1 = newServerConfigurationWithAutoPort(folder.newFolder().toPath());
    serverconfig_1.set(ServerConfiguration.PROPERTY_NODEID, "server1");
    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());
    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();
        try (Server server_2 = new Server(serverconfig_2)) {
            server_2.start();
            TestUtils.execute(server_1.getManager(), "CREATE TABLESPACE 'ttt','leader:" + server_2.getNodeId() + "','wait:60000'", Collections.emptyList());
            try (DataScanner scan = scan(server_1.getManager(), "SELECT * FROM SYSTABLESPACEREPLICASTATE where tablespace_name='ttt' and nodeId='" + server_2.getNodeId() + "'", Collections.emptyList())) {
                List<DataAccessor> tuples = scan.consume();
                // for (Tuple t : tuples) {
                // System.out.println("tuple:" + t);
                // }
                assertEquals(1, tuples.size());
            }
        }
    }
}
Also used : Table(herddb.model.Table) DataScanner(herddb.model.DataScanner) Server(herddb.server.Server) DataAccessor(herddb.utils.DataAccessor) ServerConfiguration(herddb.server.ServerConfiguration) Test(org.junit.Test)

Example 83 with Server

use of herddb.server.Server in project herddb by diennea.

the class ServerWithDynamicPortTest method test.

@Test
public void test() throws Exception {
    TestStatsProvider statsProvider = new TestStatsProvider();
    ServerConfiguration serverconfig_1 = newServerConfigurationWithAutoPort(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());
    ClientConfiguration clientConfiguration = new ClientConfiguration();
    clientConfiguration.set(ClientConfiguration.PROPERTY_MODE, ClientConfiguration.PROPERTY_MODE_CLUSTER);
    clientConfiguration.set(ClientConfiguration.PROPERTY_ZOOKEEPER_ADDRESS, testEnv.getAddress());
    clientConfiguration.set(ClientConfiguration.PROPERTY_ZOOKEEPER_PATH, testEnv.getPath());
    clientConfiguration.set(ClientConfiguration.PROPERTY_ZOOKEEPER_SESSIONTIMEOUT, testEnv.getTimeout());
    StatsLogger logger = statsProvider.getStatsLogger("ds");
    try (HDBClient client1 = new HDBClient(clientConfiguration, logger)) {
        try (HDBConnection connection = client1.openConnection()) {
            try (Server server_1 = new Server(serverconfig_1)) {
                server_1.start();
                server_1.waitForStandaloneBoot();
                // create table and insert data
                connection.executeUpdate(TableSpace.DEFAULT, "CREATE TABLE t1(k1 int primary key, n1 int)", TransactionContext.NOTRANSACTION_ID, false, false, Collections.emptyList());
                connection.executeUpdate(TableSpace.DEFAULT, "INSERT INTO t1(k1,n1) values(1,1)", TransactionContext.NOTRANSACTION_ID, false, false, Collections.emptyList());
            }
            // change port
            serverconfig_1.set(ServerConfiguration.PROPERTY_PORT, 7868);
            try (Server server_1 = new Server(serverconfig_1)) {
                server_1.start();
                server_1.waitForStandaloneBoot();
                connection.executeUpdate(TableSpace.DEFAULT, "INSERT INTO t1(k1,n1) values(2,1)", TransactionContext.NOTRANSACTION_ID, false, false, Collections.emptyList());
                connection.executeUpdate(TableSpace.DEFAULT, "INSERT INTO t1(k1,n1) values(3,1)", TransactionContext.NOTRANSACTION_ID, false, false, Collections.emptyList());
            }
        }
    }
}
Also used : TestStatsProvider(org.apache.bookkeeper.test.TestStatsProvider) StatsLogger(org.apache.bookkeeper.stats.StatsLogger) HDBConnection(herddb.client.HDBConnection) HDBClient(herddb.client.HDBClient) Server(herddb.server.Server) ServerConfiguration(herddb.server.ServerConfiguration) ClientConfiguration(herddb.client.ClientConfiguration) Test(org.junit.Test)

Example 84 with Server

use of herddb.server.Server in project herddb by diennea.

the class WaitForBookiesTest method testBootstrapClusterWaitForBookies.

@Test
public void testBootstrapClusterWaitForBookies() throws Exception {
    ServerConfiguration serverconfig_1 = newServerConfigurationWithAutoPort(folder.newFolder().toPath());
    serverconfig_1.set(ServerConfiguration.PROPERTY_NODEID, "server1");
    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_DEFAULT_REPLICA_COUNT, 2);
    serverconfig_1.set(ServerConfiguration.PROPERTY_BOOKKEEPER_WAIT_CLUSTER_READY_TIMEOUT, 0);
    try (Server server_1 = new Server(serverconfig_1)) {
        // boot should fail, as we need two bookies
        server_1.start();
        server_1.getManager().setActivatorPauseStatus(true);
        Exception err = TestUtils.expectThrows(Exception.class, () -> {
            server_1.waitForTableSpaceBoot(TableSpace.DEFAULT, 5000, true);
        });
        assertEquals("TableSpace " + TableSpace.DEFAULT + " not started within 5000 ms", err.getMessage());
    }
    serverconfig_1.set(ServerConfiguration.PROPERTY_BOOKKEEPER_WAIT_CLUSTER_READY_TIMEOUT, 10000);
    try (Server server_1 = new Server(serverconfig_1)) {
        server_1.start();
        // add a second bookie after starting the server
        testEnv.startNewBookie();
        server_1.waitForTableSpaceBoot(TableSpace.DEFAULT, 20000, true);
        // verify server is working at it is able to write to the WAL
        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);
        try (DataScanner scan = scan(server_1.getManager(), "SELECT * FROM systablespacereplicastate", Collections.emptyList())) {
            List<DataAccessor> results = scan.consume();
            assertEquals(1, results.size());
        }
    }
}
Also used : Table(herddb.model.Table) DataScanner(herddb.model.DataScanner) Server(herddb.server.Server) DataAccessor(herddb.utils.DataAccessor) ServerConfiguration(herddb.server.ServerConfiguration) CreateTableStatement(herddb.model.commands.CreateTableStatement) Test(org.junit.Test)

Example 85 with Server

use of herddb.server.Server in project herddb by diennea.

the class RetryOnLeaderChangedTest method test.

@Test
public void test() throws Exception {
    TestStatsProvider statsProvider = new TestStatsProvider();
    ServerConfiguration serverconfig_1 = newServerConfigurationWithAutoPort(folder.newFolder().toPath());
    serverconfig_1.set(ServerConfiguration.PROPERTY_NODEID, "server1");
    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().toPath().toAbsolutePath());
    try (Server server_1 = new Server(serverconfig_1)) {
        server_1.start();
        server_1.waitForStandaloneBoot();
        try (Server server_2 = new Server(serverconfig_2)) {
            server_2.start();
            TestUtils.execute(server_1.getManager(), "CREATE TABLESPACE 'ttt','leader:" + server_2.getNodeId() + "','expectedreplicacount:2'", Collections.emptyList());
            // wait for server_2 to wake up
            for (int i = 0; i < 40; i++) {
                TableSpaceManager tableSpaceManager2 = server_2.getManager().getTableSpaceManager("ttt");
                if (tableSpaceManager2 != null && tableSpaceManager2.isLeader()) {
                    break;
                }
                Thread.sleep(500);
            }
            assertTrue(server_2.getManager().getTableSpaceManager("ttt") != null && server_2.getManager().getTableSpaceManager("ttt").isLeader());
            // wait for server_1 to announce as follower
            waitClusterStatus(server_1.getManager(), server_1.getNodeId(), "follower");
            ClientConfiguration clientConfiguration = new ClientConfiguration();
            clientConfiguration.set(ClientConfiguration.PROPERTY_MODE, ClientConfiguration.PROPERTY_MODE_CLUSTER);
            clientConfiguration.set(ClientConfiguration.PROPERTY_ZOOKEEPER_ADDRESS, testEnv.getAddress());
            clientConfiguration.set(ClientConfiguration.PROPERTY_ZOOKEEPER_PATH, testEnv.getPath());
            clientConfiguration.set(ClientConfiguration.PROPERTY_ZOOKEEPER_SESSIONTIMEOUT, testEnv.getTimeout());
            StatsLogger logger = statsProvider.getStatsLogger("ds");
            try (HDBClient client1 = new HDBClient(clientConfiguration, logger)) {
                try (HDBConnection connection = client1.openConnection()) {
                    // create table and insert data
                    connection.executeUpdate(TableSpace.DEFAULT, "CREATE TABLE ttt.t1(k1 int primary key, n1 int)", TransactionContext.NOTRANSACTION_ID, false, false, Collections.emptyList());
                    connection.executeUpdate(TableSpace.DEFAULT, "INSERT INTO ttt.t1(k1,n1) values(1,1)", TransactionContext.NOTRANSACTION_ID, false, false, Collections.emptyList());
                    connection.executeUpdate(TableSpace.DEFAULT, "INSERT INTO ttt.t1(k1,n1) values(2,1)", TransactionContext.NOTRANSACTION_ID, false, false, Collections.emptyList());
                    connection.executeUpdate(TableSpace.DEFAULT, "INSERT INTO ttt.t1(k1,n1) values(3,1)", TransactionContext.NOTRANSACTION_ID, false, false, Collections.emptyList());
                    // use client2, so that it opens a connection to current leader
                    try (ScanResultSet scan = connection.executeScan(TableSpace.DEFAULT, "SELECT * FROM ttt.t1", false, Collections.emptyList(), TransactionContext.NOTRANSACTION_ID, 0, 0, true)) {
                        assertEquals(3, scan.consume().size());
                    }
                    // change leader
                    switchLeader(server_1.getNodeId(), server_2.getNodeId(), server_1.getManager());
                    // perform operation
                    try (ScanResultSet scan = connection.executeScan(TableSpace.DEFAULT, "SELECT * FROM ttt.t1", false, Collections.emptyList(), TransactionContext.NOTRANSACTION_ID, 0, 0, true)) {
                        assertEquals(3, scan.consume().size());
                    }
                    // check the client handled "not leader error"
                    assertEquals(1, logger.scope("hdbclient").getCounter("leaderChangedErrors").get().intValue());
                    // change leader
                    switchLeader(server_2.getNodeId(), server_1.getNodeId(), server_1.getManager());
                    // perform operation
                    GetResult get = connection.executeGet(TableSpace.DEFAULT, "SELECT * FROM ttt.t1 where k1=1", TransactionContext.NOTRANSACTION_ID, false, Collections.emptyList());
                    assertTrue(get.isFound());
                    // check the client handled "not leader error"
                    assertEquals(2, logger.scope("hdbclient").getCounter("leaderChangedErrors").get().intValue());
                    // change leader
                    switchLeader(server_1.getNodeId(), server_2.getNodeId(), server_1.getManager());
                    // perform operation
                    assertEquals(1, connection.executeUpdate(TableSpace.DEFAULT, "UPDATE ttt.t1 set n1=3 where k1=1", TransactionContext.NOTRANSACTION_ID, false, false, Collections.emptyList()).updateCount);
                    // check the client handled "not leader error"
                    assertEquals(3, logger.scope("hdbclient").getCounter("leaderChangedErrors").get().intValue());
                    // change leader
                    switchLeader(server_2.getNodeId(), server_1.getNodeId(), server_1.getManager());
                    // perform operation
                    assertEquals(1, connection.executeUpdateAsync(TableSpace.DEFAULT, "UPDATE ttt.t1 set n1=3 where k1=1", TransactionContext.NOTRANSACTION_ID, false, false, Collections.emptyList()).get().updateCount);
                    // check the client handled "not leader error"
                    assertEquals(4, logger.scope("hdbclient").getCounter("leaderChangedErrors").get().intValue());
                    // change leader
                    switchLeader(server_1.getNodeId(), server_2.getNodeId(), server_1.getManager());
                    // perform operation
                    assertEquals(1, connection.executeUpdates(TableSpace.DEFAULT, "UPDATE ttt.t1 set n1=3 where k1=1", TransactionContext.NOTRANSACTION_ID, false, false, Arrays.asList(Collections.emptyList())).get(0).updateCount);
                    // check the client handled "not leader error"
                    assertEquals(5, logger.scope("hdbclient").getCounter("leaderChangedErrors").get().intValue());
                    // change leader
                    switchLeader(server_2.getNodeId(), server_1.getNodeId(), server_1.getManager());
                    // perform operation
                    assertEquals(1, connection.executeUpdatesAsync(TableSpace.DEFAULT, "UPDATE ttt.t1 set n1=3 where k1=1", TransactionContext.NOTRANSACTION_ID, false, false, Arrays.asList(Collections.emptyList())).get().get(0).updateCount);
                    // check the client handled "not leader error"
                    assertEquals(6, logger.scope("hdbclient").getCounter("leaderChangedErrors").get().intValue());
                }
            }
        }
    }
}
Also used : TestStatsProvider(org.apache.bookkeeper.test.TestStatsProvider) StatsLogger(org.apache.bookkeeper.stats.StatsLogger) HDBConnection(herddb.client.HDBConnection) HDBClient(herddb.client.HDBClient) Server(herddb.server.Server) GetResult(herddb.client.GetResult) ServerConfiguration(herddb.server.ServerConfiguration) TableSpaceManager(herddb.core.TableSpaceManager) ScanResultSet(herddb.client.ScanResultSet) ClientConfiguration(herddb.client.ClientConfiguration) Test(org.junit.Test)

Aggregations

Server (herddb.server.Server)119 Test (org.junit.Test)111 ServerConfiguration (herddb.server.ServerConfiguration)60 ClientConfiguration (herddb.client.ClientConfiguration)56 StaticClientSideMetadataProvider (herddb.server.StaticClientSideMetadataProvider)56 Connection (java.sql.Connection)53 HDBClient (herddb.client.HDBClient)52 Statement (java.sql.Statement)47 ResultSet (java.sql.ResultSet)37 Table (herddb.model.Table)36 CreateTableStatement (herddb.model.commands.CreateTableStatement)35 InsertStatement (herddb.model.commands.InsertStatement)32 PreparedStatement (java.sql.PreparedStatement)30 HashSet (java.util.HashSet)24 AlterTableSpaceStatement (herddb.model.commands.AlterTableSpaceStatement)19 Path (java.nio.file.Path)19 DataScanner (herddb.model.DataScanner)18 TableSpaceManager (herddb.core.TableSpaceManager)15 HDBConnection (herddb.client.HDBConnection)14 Index (herddb.model.Index)14