Examples with GetStatement herddb.model.commands.GetStatement used on opensource projects

Example 96 with GetStatement

use of herddb.model.commands.GetStatement in project herddb by diennea.

the class SimpleTransactionTest method testRollbackDelete1.

@Test
public void testRollbackDelete1() throws Exception {
    Bytes key = Bytes.from_string("key1");
    {
        Record record = new Record(key, Bytes.from_int(0));
        InsertStatement st = new InsertStatement(tableSpace, tableName, record);
        assertEquals(1, manager.executeUpdate(st, StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION).getUpdateCount());
    }
    long tx = beginTransaction();
    DeleteStatement st = new DeleteStatement(tableSpace, tableName, key, null);
    assertEquals(1, manager.executeUpdate(st, StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), new TransactionContext(tx)).getUpdateCount());
    rollbackTransaction(tx);
    GetResult get = manager.get(new GetStatement(tableSpace, tableName, key, null, false), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
    assertTrue(get.found());
}

Example 97 with GetStatement

use of herddb.model.commands.GetStatement in project herddb by diennea.

the class TmpMapImpl method executeContainsKey.

private boolean executeContainsKey(byte[] serializedKey, String tmpTableName) throws CollectionsException {
    try {
        GetStatement get = new GetStatement(TableSpace.DEFAULT, tmpTableName, Bytes.from_array(serializedKey), null, false);
        GetResult getResult = (GetResult) tableSpaceManager.executeStatement(get, StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), herddb.model.TransactionContext.NO_TRANSACTION);
        return getResult.found();
    } catch (HerdDBInternalException err) {
        throw new CollectionsException(err);
    }
}

Example 98 with GetStatement

use of herddb.model.commands.GetStatement in project herddb by diennea.

the class TmpMapImpl method executeGet.

private Object executeGet(byte[] serializedKey, String tmpTableName) throws CollectionsException {
    try {
        GetStatement get = new GetStatement(TableSpace.DEFAULT, tmpTableName, Bytes.from_array(serializedKey), null, false);
        GetResult getResult = (GetResult) tableSpaceManager.executeStatement(get, StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), herddb.model.TransactionContext.NO_TRANSACTION);
        if (!getResult.found()) {
            return null;
        } else {
            return valuesSerializer.deserialize(getResult.getRecord().value);
        }
    } catch (Exception err) {
        throw new CollectionsException(err);
    }
}

Example 99 with GetStatement

use of herddb.model.commands.GetStatement in project herddb by diennea.

the class ColumnTimestampTest method test2.

@Test
public void test2() throws Exception {
    String tableName2 = "t2";
    Table table2 = Table.builder().tablespace("tblspace1").name(tableName2).tablespace(tableSpace).column("id", ColumnTypes.STRING).column("name", ColumnTypes.STRING).column("ts1", ColumnTypes.TIMESTAMP).primaryKey("id").build();
    CreateTableStatement st2 = new CreateTableStatement(table2);
    manager.executeStatement(st2, StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
    java.sql.Timestamp ts1 = new java.sql.Timestamp(System.currentTimeMillis());
    {
        Map<String, Object> bean = new HashMap<>();
        bean.put("id", "key1");
        bean.put("ts1", ts1);
        Record record = RecordSerializer.toRecord(bean, table2);
        InsertStatement st = new InsertStatement(tableSpace, "t2", record);
        assertEquals(1, manager.executeUpdate(st, StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION).getUpdateCount());
    }
    {
        GetResult result = manager.get(new GetStatement(tableSpace, tableName2, Bytes.from_string("key1"), null, false), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        assertTrue(result.found());
        Map<String, Object> resultbean = result.getRecord().toBean(table2);
        assertEquals(Bytes.from_string("key1"), result.getRecord().key);
        assertEquals(2, resultbean.entrySet().size());
        assertEquals(RawString.of("key1"), resultbean.get("id"));
        assertEquals(ts1, resultbean.get("ts1"));
    }
    {
        Map<String, Object> bean = new HashMap<>();
        bean.put("id", "key1");
        bean.put("ts1", null);
        Record record = RecordSerializer.toRecord(bean, table2);
        UpdateStatement st = new UpdateStatement(tableSpace, tableName2, record, null);
        assertEquals(1, manager.executeUpdate(st, StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION).getUpdateCount());
    }
    {
        GetResult result = manager.get(new GetStatement(tableSpace, tableName2, Bytes.from_string("key1"), null, false), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        assertTrue(result.found());
        Map<String, Object> resultbean = result.getRecord().toBean(table2);
        assertEquals(Bytes.from_string("key1"), result.getRecord().key);
        assertEquals(1, resultbean.entrySet().size());
        assertEquals(RawString.of("key1"), resultbean.get("id"));
        assertEquals(null, resultbean.get("ts1"));
    }
}

Example 100 with GetStatement

use of herddb.model.commands.GetStatement in project herddb by diennea.

the class ClientMultiServerTest method testLeaderDetached.

@Test
public void testLeaderDetached() throws Exception {
    ServerConfiguration serverconfig_1 = newServerConfigurationWithAutoPort(folder.newFolder("server1").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("server2").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();
        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", 1, 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", true, Collections.emptyList(), 0, 0, 10, true)) {
                    assertEquals(1, scan.consume().size());
                }
                // switch leader to server2
                server_2.getManager().executeStatement(new AlterTableSpaceStatement(TableSpace.DEFAULT, new HashSet<>(Arrays.asList("server1", "server2")), "server2", 1, 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", true, Collections.emptyList(), 0, 0, 10, true)) {
                    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) {

                    @Override
                    public void requestMetadataRefresh(Exception error) throws ClientSideMetadataProviderException {
                        assertTrue(error instanceof LeaderChangedException);
                        throw new ClientSideMetadataProviderException(error);
                    }
                });
                try (ScanResultSet scan = connection.executeScan(TableSpace.DEFAULT, "SELECT * FROM t1 WHERE c=1", true, Collections.emptyList(), 0, 0, 10, true)) {
                    fail("server_1 MUST not accept queries");
                } catch (ClientSideMetadataProviderException ok) {
                    assertTrue(ok.getCause() instanceof LeaderChangedException);
                }
            }
            // 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", true, Collections.emptyList(), 0, 0, 10, true)) {
                    assertEquals(1, scan.consume().size());
                }
            }
        }
    }
}