Examples with DataScanner herddb.model.DataScanner used on opensource projects

Example 56 with DataScanner

use of herddb.model.DataScanner in project herddb by diennea.

the class BootAsNewLeaderTest method testLeaderOnlineLogNoMoreAvailableDataAlreadyPresentBootAsNewLeader.

@Test
public void testLeaderOnlineLogNoMoreAvailableDataAlreadyPresentBootAsNewLeader() throws Exception {
    final AtomicInteger countErase = new AtomicInteger();
    SystemInstrumentation.addListener(new SystemInstrumentation.SingleInstrumentationPointListener("eraseTablespaceData") {

        @Override
        public void acceptSingle(Object... args) throws Exception {
            countErase.incrementAndGet();
        }
    });
    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);
    serverconfig_1.set(ServerConfiguration.PROPERTY_BOOKKEEPER_LEDGERS_RETENTION_PERIOD, 1);
    serverconfig_1.set(ServerConfiguration.PROPERTY_CHECKPOINT_PERIOD, 0);
    // disabled
    serverconfig_1.set(ServerConfiguration.PROPERTY_BOOKKEEPER_MAX_IDLE_TIME, 0);
    ServerConfiguration serverconfig_2 = serverconfig_1.copy().set(ServerConfiguration.PROPERTY_NODEID, "server2").set(ServerConfiguration.PROPERTY_BASEDIR, folder.newFolder().toPath().toAbsolutePath());
    Table table = Table.builder().name("t1").column("c", ColumnTypes.INTEGER).column("s", ColumnTypes.INTEGER).primaryKey("c").build();
    Index index = Index.builder().onTable(table).type(Index.TYPE_BRIN).column("s", ColumnTypes.STRING).build();
    try (Server server_1 = new Server(serverconfig_1)) {
        server_1.start();
        server_1.waitForStandaloneBoot();
        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, "s", "1")), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        server_1.getManager().executeUpdate(new InsertStatement(TableSpace.DEFAULT, "t1", RecordSerializer.makeRecord(table, "c", 2, "s", "2")), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        server_1.getManager().executeUpdate(new InsertStatement(TableSpace.DEFAULT, "t1", RecordSerializer.makeRecord(table, "c", 3, "s", "3")), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        server_1.getManager().executeUpdate(new InsertStatement(TableSpace.DEFAULT, "t1", RecordSerializer.makeRecord(table, "c", 4, "s", "4")), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        server_1.getManager().executeStatement(new AlterTableSpaceStatement(TableSpace.DEFAULT, new HashSet<>(Arrays.asList("server1", "server2")), "server1", 1, 0), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        TranslatedQuery translated = server_1.getManager().getPlanner().translate(TableSpace.DEFAULT, "SELECT * FROM " + TableSpace.DEFAULT + ".t1 WHERE s=1", Collections.emptyList(), true, true, false, -1);
        ScanStatement statement = translated.plan.mainStatement.unwrap(ScanStatement.class);
        assertTrue(statement.getPredicate().getIndexOperation() instanceof SecondaryIndexSeek);
        try (DataScanner scan = server_1.getManager().scan(statement, translated.context, TransactionContext.NO_TRANSACTION)) {
            assertEquals(1, scan.consume().size());
        }
    }
    String tableSpaceUUID;
    try (Server server_1 = new Server(serverconfig_1)) {
        server_1.start();
        server_1.waitForStandaloneBoot();
        {
            ZookeeperMetadataStorageManager man = (ZookeeperMetadataStorageManager) server_1.getMetadataStorageManager();
            tableSpaceUUID = man.describeTableSpace(TableSpace.DEFAULT).uuid;
            LedgersInfo ledgersList = ZookeeperMetadataStorageManager.readActualLedgersListFromZookeeper(man.getZooKeeper(), testEnv.getPath() + "/ledgers", tableSpaceUUID);
            assertEquals(2, ledgersList.getActiveLedgers().size());
        }
        server_1.getManager().executeUpdate(new InsertStatement(TableSpace.DEFAULT, "t1", RecordSerializer.makeRecord(table, "c", 5, "s", "5")), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        server_1.getManager().checkpoint();
    }
    try (Server server_1 = new Server(serverconfig_1)) {
        server_1.start();
        server_1.waitForStandaloneBoot();
        {
            ZookeeperMetadataStorageManager man = (ZookeeperMetadataStorageManager) server_1.getMetadataStorageManager();
            LedgersInfo ledgersList = ZookeeperMetadataStorageManager.readActualLedgersListFromZookeeper(man.getZooKeeper(), testEnv.getPath() + "/ledgers", tableSpaceUUID);
            assertEquals(2, ledgersList.getActiveLedgers().size());
        }
        server_1.getManager().executeUpdate(new InsertStatement(TableSpace.DEFAULT, "t1", RecordSerializer.makeRecord(table, "c", 6, "s", "6")), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        {
            ZookeeperMetadataStorageManager man = (ZookeeperMetadataStorageManager) server_1.getMetadataStorageManager();
            LedgersInfo ledgersList = ZookeeperMetadataStorageManager.readActualLedgersListFromZookeeper(man.getZooKeeper(), testEnv.getPath() + "/ledgers", tableSpaceUUID);
            assertEquals(2, ledgersList.getActiveLedgers().size());
        }
        server_1.getManager().checkpoint();
    }
    assertEquals(0, countErase.get());
    LogSequenceNumber server2checkpointPosition;
    try (Server server_1 = new Server(serverconfig_1)) {
        server_1.start();
        server_1.waitForStandaloneBoot();
        // start server_2, and flush data locally
        try (Server server_2 = new Server(serverconfig_2)) {
            server_2.start();
            assertTrue(server_2.getManager().waitForTablespace(TableSpace.DEFAULT, 60000, 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);
            }
            // force a checkpoint, data is flushed to disk
            server_2.getManager().checkpoint();
            server2checkpointPosition = server_2.getManager().getTableSpaceManager(TableSpace.DEFAULT).getLog().getLastSequenceNumber();
            System.out.println("server2 checkpoint time: " + server2checkpointPosition);
        }
    }
    // start again server_1, in order to create a new ledger
    try (Server server_1 = new Server(serverconfig_1)) {
        server_1.start();
        server_1.waitForStandaloneBoot();
        BookkeeperCommitLog ll = (BookkeeperCommitLog) server_1.getManager().getTableSpaceManager(TableSpace.DEFAULT).getLog();
        // server_1 make much  progress
        ll.rollNewLedger();
        ll.rollNewLedger();
        ll.rollNewLedger();
        ll.rollNewLedger();
        ll.rollNewLedger();
        ll.rollNewLedger();
        ll.rollNewLedger();
        ll.rollNewLedger();
        // a checkpoint will delete old ledgers
        server_1.getManager().checkpoint();
        {
            ZookeeperMetadataStorageManager man = (ZookeeperMetadataStorageManager) server_1.getMetadataStorageManager();
            LedgersInfo ledgersList = ZookeeperMetadataStorageManager.readActualLedgersListFromZookeeper(man.getZooKeeper(), testEnv.getPath() + "/ledgers", tableSpaceUUID);
            System.out.println("ledgerList: " + ledgersList);
            assertEquals(1, ledgersList.getActiveLedgers().size());
            assertTrue(!ledgersList.getActiveLedgers().contains(ledgersList.getFirstLedger()));
            // we want to be sure that server_2 cannot recover from log
            assertTrue(!ledgersList.getActiveLedgers().contains(server2checkpointPosition.ledgerId));
        }
        assertEquals(1, countErase.get());
        // make server2 boot as leader, it will fence out server1
        // but server1 is not writing so it won't know from BK
        // it will see his new role from zookeeper (with a 'watch' notification)
        server_1.getManager().executeStatement(new AlterTableSpaceStatement(TableSpace.DEFAULT, new HashSet<>(Arrays.asList("server1", "server2")), "server2", 1, 0), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        // trying to become leader
        try (Server server_2 = new Server(serverconfig_2)) {
            server_2.start();
            assertFalse(server_2.getManager().waitForTablespace(TableSpace.DEFAULT, 10000, true));
        }
        // make server_1 leader again
        server_1.getManager().executeStatement(new AlterTableSpaceStatement(TableSpace.DEFAULT, new HashSet<>(Arrays.asList("server1", "server2")), "server1", 1, 0), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        // now server_2 must be able to boot, downloading data from server_1 and easing local state
        try (Server server_2 = new Server(serverconfig_2)) {
            server_2.start();
            assertFalse(server_2.getManager().waitForTablespace(TableSpace.DEFAULT, 60000, true));
        }
        // make server_2 leader again
        server_1.getManager().executeStatement(new AlterTableSpaceStatement(TableSpace.DEFAULT, new HashSet<>(Arrays.asList("server1", "server2")), "server2", 1, 0), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        // stop server_1
        server_1.close();
        // it must have enough local data to boot
        try (Server server_2 = new Server(serverconfig_2)) {
            server_2.start();
            assertTrue(server_2.getManager().waitForTablespace(TableSpace.DEFAULT, 60000, true));
        }
    }
}

Example 57 with DataScanner

use of herddb.model.DataScanner in project herddb by diennea.

the class LocalTableSnapshotRecoveryTest method test_1.

@Test
public void test_1() throws Exception {
    Path dataPath = folder.newFolder("data").toPath();
    Path logsPath = folder.newFolder("logs").toPath();
    Path metadataPath = folder.newFolder("metadata").toPath();
    Path tmoDir = folder.newFolder("tmoDir").toPath();
    String nodeId = "localhost";
    try (DBManager manager = new DBManager("localhost", new FileMetadataStorageManager(metadataPath), new FileDataStorageManager(dataPath), new FileCommitLogManager(logsPath), tmoDir, null)) {
        manager.start();
        manager.waitForTablespace(TableSpace.DEFAULT, 10000);
        Table table = Table.builder().tablespace(TableSpace.DEFAULT).name("t1").column("id", ColumnTypes.STRING).column("name", ColumnTypes.STRING).primaryKey("id").build();
        CreateTableStatement st2 = new CreateTableStatement(table);
        manager.executeStatement(st2, StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        TestUtils.execute(manager, "INSERT INTO t1(id,name) values(?,?)", Arrays.asList("a", "b"));
        manager.getTableSpaceManager(TableSpace.DEFAULT).checkpoint(false, false, false);
        TestUtils.execute(manager, "INSERT INTO t1(id,name) values(?,?)", Arrays.asList("c", "d"));
        manager.getTableSpaceManager(TableSpace.DEFAULT).getTableManager("t1").flush();
        TestUtils.execute(manager, "INSERT INTO t1(id,name) values(?,?)", Arrays.asList("e", "f"));
        try (DataScanner scan = TestUtils.scan(manager, "SELECT * FROM t1", Collections.emptyList())) {
            assertEquals(3, scan.consume().size());
        }
    }
    try (DBManager manager = new DBManager("localhost", new FileMetadataStorageManager(metadataPath), new FileDataStorageManager(dataPath), new FileCommitLogManager(logsPath), tmoDir, null)) {
        manager.start();
        manager.waitForTablespace(TableSpace.DEFAULT, 10000);
        try (DataScanner scan = TestUtils.scan(manager, "SELECT * FROM t1", Collections.emptyList())) {
            assertEquals(3, scan.consume().size());
        }
    }
}

Example 58 with DataScanner

use of herddb.model.DataScanner in project herddb by diennea.

the class PrimaryIndexScanRangeTest method primaryIndexPrefixScanFileTest.

@Test
public void primaryIndexPrefixScanFileTest() throws Exception {
    Path dataPath = folder.newFolder("data").toPath();
    String nodeId = "localhost";
    try (DBManager manager = new DBManager("localhost", new MemoryMetadataStorageManager(), new FileDataStorageManager(dataPath), new MemoryCommitLogManager(), null, null)) {
        manager.start();
        CreateTableSpaceStatement st1 = new CreateTableSpaceStatement("tblspace1", Collections.singleton(nodeId), nodeId, 1, 0, 0);
        manager.executeStatement(st1, StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        manager.waitForTablespace("tblspace1", 10000);
        Table table = Table.builder().tablespace("tblspace1").name("t1").column("n1", ColumnTypes.INTEGER).column("n2", ColumnTypes.INTEGER).column("id", ColumnTypes.STRING).column("name", ColumnTypes.STRING).primaryKey("n1").build();
        CreateTableStatement st2 = new CreateTableStatement(table);
        manager.executeStatement(st2, StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        TestUtils.executeUpdate(manager, "INSERT INTO tblspace1.t1(id,n1,n2,name) values('a',1,5,'n1')", Collections.emptyList());
        TestUtils.executeUpdate(manager, "INSERT INTO tblspace1.t1(id,n1,n2,name) values('b',2,5,'n1')", Collections.emptyList());
        TestUtils.executeUpdate(manager, "INSERT INTO tblspace1.t1(id,n1,n2,name) values('c',3,6,'n2')", Collections.emptyList());
        TestUtils.executeUpdate(manager, "INSERT INTO tblspace1.t1(id,n1,n2,name) values('d',5,7,'n2')", Collections.emptyList());
        TestUtils.executeUpdate(manager, "INSERT INTO tblspace1.t1(id,n1,n2,name) values('e',6,5,'n2')", Collections.emptyList());
        TestUtils.executeUpdate(manager, "INSERT INTO tblspace1.t1(id,n1,n2,name) values('f',7,7,'n2')", Collections.emptyList());
        performBasicPlannerTests(manager);
        assertFalse(manager.getTableSpaceManager("tblspace1").getTableManager("t1").isKeyToPageSortedAscending());
        {
            TranslatedQuery translated = manager.getPlanner().translate(TableSpace.DEFAULT, "SELECT n1,n2 " + "FROM tblspace1.t1 " + "WHERE n1>=2 " + "and n2<=6 " + "order by n1", Collections.emptyList(), true, true, false, -1);
            ScanStatement scan = translated.plan.mainStatement.unwrap(ScanStatement.class);
            assertTrue(scan.getPredicate().getIndexOperation() instanceof PrimaryIndexRangeScan);
            assertTrue(scan.getComparator().isOnlyPrimaryKeyAndAscending());
            try (DataScanner scan1 = manager.scan(scan, translated.context, TransactionContext.NO_TRANSACTION)) {
                List<DataAccessor> tuples = scan1.consume();
                assertEquals(3, tuples.size());
                assertEquals(2, tuples.get(0).get("n1"));
                assertEquals(3, tuples.get(1).get("n1"));
                assertEquals(6, tuples.get(2).get("n1"));
            }
        }
        {
            TranslatedQuery translated = manager.getPlanner().translate(TableSpace.DEFAULT, "SELECT n1,n2 " + "FROM tblspace1.t1 " + "WHERE n1>=2 " + "and n2<=6 " + "order by n1 " + "limit 2", Collections.emptyList(), true, true, false, -1);
            ScanStatement scan = translated.plan.mainStatement.unwrap(ScanStatement.class);
            assertTrue(scan.getPredicate().getIndexOperation() instanceof PrimaryIndexRangeScan);
            assertTrue(scan.getComparator().isOnlyPrimaryKeyAndAscending());
            try (DataScanner scan1 = manager.scan(scan, translated.context, TransactionContext.NO_TRANSACTION)) {
                List<DataAccessor> tuples = scan1.consume();
                assertEquals(2, tuples.size());
                assertEquals(2, tuples.get(0).get("n1"));
                assertEquals(3, tuples.get(1).get("n1"));
            }
        }
        {
            TranslatedQuery translated = manager.getPlanner().translate(TableSpace.DEFAULT, "SELECT n1,n2 " + "FROM tblspace1.t1 " + "WHERE n1>=2 " + "and n2<=6 " + "limit 2", Collections.emptyList(), true, true, false, -1);
            ScanStatement scan = translated.plan.mainStatement.unwrap(ScanStatement.class);
            assertTrue(scan.getPredicate().getIndexOperation() instanceof PrimaryIndexRangeScan);
            assertNull(scan.getComparator());
            assertNotNull(scan.getLimits());
            try (DataScanner scan1 = manager.scan(scan, translated.context, TransactionContext.NO_TRANSACTION)) {
                List<DataAccessor> tuples = scan1.consume();
                assertEquals(2, tuples.size());
            }
        }
        {
            TranslatedQuery translated = manager.getPlanner().translate(TableSpace.DEFAULT, "SELECT n1,n2 " + "FROM tblspace1.t1 " + "WHERE n1>=2 " + "and n2<=6 " + "order by n1 " + "limit 1,3", Collections.emptyList(), true, true, false, -1);
            ScanStatement scan = translated.plan.mainStatement.unwrap(ScanStatement.class);
            assertTrue(scan.getPredicate().getIndexOperation() instanceof PrimaryIndexRangeScan);
            assertTrue(scan.getComparator().isOnlyPrimaryKeyAndAscending());
            try (DataScanner scan1 = manager.scan(scan, translated.context, TransactionContext.NO_TRANSACTION)) {
                List<DataAccessor> tuples = scan1.consume();
                assertEquals(2, tuples.size());
                assertEquals(3, tuples.get(0).get("n1"));
                assertEquals(6, tuples.get(1).get("n1"));
            }
        }
        {
            TranslatedQuery translated = manager.getPlanner().translate(TableSpace.DEFAULT, "SELECT n1,n2 " + "FROM tblspace1.t1 " + "WHERE n1>=2 " + "and n2<=7 " + "order by n1 " + "limit 1,2", Collections.emptyList(), true, true, false, -1);
            ScanStatement scan = translated.plan.mainStatement.unwrap(ScanStatement.class);
            assertTrue(scan.getPredicate().getIndexOperation() instanceof PrimaryIndexRangeScan);
            assertTrue(scan.getComparator().isOnlyPrimaryKeyAndAscending());
            try (DataScanner scan1 = manager.scan(scan, translated.context, TransactionContext.NO_TRANSACTION)) {
                List<DataAccessor> tuples = scan1.consume();
                assertEquals(2, tuples.size());
                assertEquals(3, tuples.get(0).get("n1"));
                assertEquals(5, tuples.get(1).get("n1"));
            }
        }
        {
            TranslatedQuery translated = manager.getPlanner().translate(TableSpace.DEFAULT, "SELECT n1,n2 " + "FROM tblspace1.t1 " + "WHERE n1>=2 " + "and n2<=7 " + "order by n1 " + "limit 3,2", Collections.emptyList(), true, true, false, -1);
            ScanStatement scan = translated.plan.mainStatement.unwrap(ScanStatement.class);
            assertTrue(scan.getPredicate().getIndexOperation() instanceof PrimaryIndexRangeScan);
            assertTrue(scan.getComparator().isOnlyPrimaryKeyAndAscending());
            try (DataScanner scan1 = manager.scan(scan, translated.context, TransactionContext.NO_TRANSACTION)) {
                List<DataAccessor> tuples = scan1.consume();
                assertEquals(2, tuples.size());
                assertEquals(6, tuples.get(0).get("n1"));
                assertEquals(7, tuples.get(1).get("n1"));
            }
        }
        {
            TranslatedQuery translated = manager.getPlanner().translate(TableSpace.DEFAULT, "SELECT n1,n2 " + "FROM tblspace1.t1 " + "WHERE n1>=2 " + "and n2<=7 " + "order by n1 " + "limit 4,2", Collections.emptyList(), true, true, false, -1);
            ScanStatement scan = translated.plan.mainStatement.unwrap(ScanStatement.class);
            assertTrue(scan.getPredicate().getIndexOperation() instanceof PrimaryIndexRangeScan);
            assertTrue(scan.getComparator().isOnlyPrimaryKeyAndAscending());
            try (DataScanner scan1 = manager.scan(scan, translated.context, TransactionContext.NO_TRANSACTION)) {
                List<DataAccessor> tuples = scan1.consume();
                assertEquals(1, tuples.size());
                assertEquals(7, tuples.get(0).get("n1"));
            }
        }
        // add a record in the middle of the sorted recordset
        DMLStatementExecutionResult res = TestUtils.executeUpdate(manager, "INSERT INTO tblspace1.t1(id,n1,n2,name) values('g',4,6,'n2')", Collections.emptyList(), TransactionContext.AUTOTRANSACTION_TRANSACTION);
        long tx = res.transactionId;
        {
            TranslatedQuery translated = manager.getPlanner().translate(TableSpace.DEFAULT, "SELECT n1,n2 " + "FROM tblspace1.t1 " + "WHERE n1>=2 " + "and n2<=6 " + "order by n1", Collections.emptyList(), true, true, false, -1);
            ScanStatement scan = translated.plan.mainStatement.unwrap(ScanStatement.class);
            assertTrue(scan.getPredicate().getIndexOperation() instanceof PrimaryIndexRangeScan);
            assertTrue(scan.getComparator().isOnlyPrimaryKeyAndAscending());
            try (DataScanner scan1 = manager.scan(scan, translated.context, new TransactionContext(tx))) {
                List<DataAccessor> tuples = scan1.consume();
                assertEquals(4, tuples.size());
                assertEquals(2, tuples.get(0).get("n1"));
                assertEquals(3, tuples.get(1).get("n1"));
                assertEquals(4, tuples.get(2).get("n1"));
                assertEquals(6, tuples.get(3).get("n1"));
            }
        }
        {
            TranslatedQuery translated = manager.getPlanner().translate(TableSpace.DEFAULT, "SELECT n1,n2 " + "FROM tblspace1.t1 " + "WHERE n1>=2 " + "and n2<=7 " + "order by n1", Collections.emptyList(), true, true, false, -1);
            ScanStatement scan = translated.plan.mainStatement.unwrap(ScanStatement.class);
            assertTrue(scan.getPredicate().getIndexOperation() instanceof PrimaryIndexRangeScan);
            assertTrue(scan.getComparator().isOnlyPrimaryKeyAndAscending());
            try (DataScanner scan1 = manager.scan(scan, translated.context, new TransactionContext(tx))) {
                List<DataAccessor> tuples = scan1.consume();
                assertEquals(6, tuples.size());
                assertEquals(2, tuples.get(0).get("n1"));
                assertEquals(3, tuples.get(1).get("n1"));
                assertEquals(4, tuples.get(2).get("n1"));
                assertEquals(5, tuples.get(3).get("n1"));
                assertEquals(6, tuples.get(4).get("n1"));
                assertEquals(7, tuples.get(5).get("n1"));
            }
        }
        {
            TranslatedQuery translated = manager.getPlanner().translate(TableSpace.DEFAULT, "SELECT n1,n2 " + "FROM tblspace1.t1 " + "WHERE n1>=2 " + "and n2<=6 " + "order by n1 " + "limit 2", Collections.emptyList(), true, true, false, -1);
            ScanStatement scan = translated.plan.mainStatement.unwrap(ScanStatement.class);
            assertTrue(scan.getPredicate().getIndexOperation() instanceof PrimaryIndexRangeScan);
            assertTrue(scan.getComparator().isOnlyPrimaryKeyAndAscending());
            try (DataScanner scan1 = manager.scan(scan, translated.context, new TransactionContext(tx))) {
                List<DataAccessor> tuples = scan1.consume();
                assertEquals(2, tuples.size());
                assertEquals(2, tuples.get(0).get("n1"));
                assertEquals(3, tuples.get(1).get("n1"));
            }
        }
        {
            TranslatedQuery translated = manager.getPlanner().translate(TableSpace.DEFAULT, "SELECT n1,n2 " + "FROM tblspace1.t1 " + "WHERE n1>=2 " + "and n2<=7 " + "order by n1 " + "limit 1,3", Collections.emptyList(), true, true, false, -1);
            ScanStatement scan = translated.plan.mainStatement.unwrap(ScanStatement.class);
            assertTrue(scan.getPredicate().getIndexOperation() instanceof PrimaryIndexRangeScan);
            assertTrue(scan.getComparator().isOnlyPrimaryKeyAndAscending());
            try (DataScanner scan1 = manager.scan(scan, translated.context, new TransactionContext(tx))) {
                List<DataAccessor> tuples = scan1.consume();
                for (DataAccessor tuple : tuples) {
                    System.out.println("tuple: " + tuple.toMap());
                }
                assertEquals(3, tuples.size());
                assertEquals(3, tuples.get(0).get("n1"));
                assertEquals(4, tuples.get(1).get("n1"));
                assertEquals(5, tuples.get(2).get("n1"));
            }
        }
        {
            TranslatedQuery translated = manager.getPlanner().translate(TableSpace.DEFAULT, "SELECT n1,n2 " + "FROM tblspace1.t1 " + "WHERE n1>=2 " + "and n2<=6 " + "order by n1 " + "limit 1,3", Collections.emptyList(), true, true, false, -1);
            ScanStatement scan = translated.plan.mainStatement.unwrap(ScanStatement.class);
            assertTrue(scan.getPredicate().getIndexOperation() instanceof PrimaryIndexRangeScan);
            assertTrue(scan.getComparator().isOnlyPrimaryKeyAndAscending());
            try (DataScanner scan1 = manager.scan(scan, translated.context, new TransactionContext(tx))) {
                List<DataAccessor> tuples = scan1.consume();
                assertEquals(3, tuples.size());
                assertEquals(3, tuples.get(0).get("n1"));
                assertEquals(4, tuples.get(1).get("n1"));
                assertEquals(6, tuples.get(2).get("n1"));
            }
        }
        {
            TranslatedQuery translated = manager.getPlanner().translate(TableSpace.DEFAULT, "SELECT n1,n2 " + "FROM tblspace1.t1 " + "WHERE n1>=2 " + "and n2<=7 " + "order by n1 " + "limit 1,2", Collections.emptyList(), true, true, false, -1);
            ScanStatement scan = translated.plan.mainStatement.unwrap(ScanStatement.class);
            assertTrue(scan.getPredicate().getIndexOperation() instanceof PrimaryIndexRangeScan);
            assertTrue(scan.getComparator().isOnlyPrimaryKeyAndAscending());
            try (DataScanner scan1 = manager.scan(scan, translated.context, new TransactionContext(tx))) {
                List<DataAccessor> tuples = scan1.consume();
                assertEquals(2, tuples.size());
                assertEquals(3, tuples.get(0).get("n1"));
                assertEquals(4, tuples.get(1).get("n1"));
            }
        }
        {
            TranslatedQuery translated = manager.getPlanner().translate(TableSpace.DEFAULT, "SELECT n1,n2 " + "FROM tblspace1.t1 " + "WHERE n1>=2 " + "and n2<=7 " + "order by n1 " + "limit 3,2", Collections.emptyList(), true, true, false, -1);
            ScanStatement scan = translated.plan.mainStatement.unwrap(ScanStatement.class);
            assertTrue(scan.getPredicate().getIndexOperation() instanceof PrimaryIndexRangeScan);
            assertTrue(scan.getComparator().isOnlyPrimaryKeyAndAscending());
            try (DataScanner scan1 = manager.scan(scan, translated.context, new TransactionContext(tx))) {
                List<DataAccessor> tuples = scan1.consume();
                assertEquals(2, tuples.size());
                assertEquals(5, tuples.get(0).get("n1"));
                assertEquals(6, tuples.get(1).get("n1"));
            }
        }
        {
            TranslatedQuery translated = manager.getPlanner().translate(TableSpace.DEFAULT, "SELECT n1,n2 " + "FROM tblspace1.t1 " + "WHERE n1>=2 " + "and n2<=7 " + "order by n1 " + "limit 4,2", Collections.emptyList(), true, true, false, -1);
            ScanStatement scan = translated.plan.mainStatement.unwrap(ScanStatement.class);
            assertTrue(scan.getPredicate().getIndexOperation() instanceof PrimaryIndexRangeScan);
            assertTrue(scan.getComparator().isOnlyPrimaryKeyAndAscending());
            try (DataScanner scan1 = manager.scan(scan, translated.context, new TransactionContext(tx))) {
                List<DataAccessor> tuples = scan1.consume();
                assertEquals(2, tuples.size());
                assertEquals(6, tuples.get(0).get("n1"));
                assertEquals(7, tuples.get(1).get("n1"));
            }
        }
        {
            TranslatedQuery translated = manager.getPlanner().translate(TableSpace.DEFAULT, "SELECT n1,n2 " + "FROM tblspace1.t1 " + "WHERE n1>=2 " + "and n2<=7 " + "order by n1 " + "limit 5,2", Collections.emptyList(), true, true, false, -1);
            ScanStatement scan = translated.plan.mainStatement.unwrap(ScanStatement.class);
            assertTrue(scan.getPredicate().getIndexOperation() instanceof PrimaryIndexRangeScan);
            assertTrue(scan.getComparator().isOnlyPrimaryKeyAndAscending());
            try (DataScanner scan1 = manager.scan(scan, translated.context, new TransactionContext(tx))) {
                List<DataAccessor> tuples = scan1.consume();
                assertEquals(1, tuples.size());
                assertEquals(7, tuples.get(0).get("n1"));
            }
        }
        // add other records in the context of the transaction
        TestUtils.executeUpdate(manager, "INSERT INTO tblspace1.t1(id,n1,n2,name) values('g',8,6,'n3')", Collections.emptyList(), new TransactionContext(tx));
        TestUtils.executeUpdate(manager, "INSERT INTO tblspace1.t1(id,n1,n2,name) values('g',9,6,'n3')", Collections.emptyList(), new TransactionContext(tx));
        TestUtils.executeUpdate(manager, "INSERT INTO tblspace1.t1(id,n1,n2,name) values('g',10,6,'n3')", Collections.emptyList(), new TransactionContext(tx));
        {
            TranslatedQuery translated = manager.getPlanner().translate(TableSpace.DEFAULT, "SELECT n1,n2 " + "FROM tblspace1.t1 " + "WHERE n1>=2 " + "and n2<=7 " + "order by n1 ", Collections.emptyList(), true, true, false, -1);
            ScanStatement scan = translated.plan.mainStatement.unwrap(ScanStatement.class);
            assertTrue(scan.getPredicate().getIndexOperation() instanceof PrimaryIndexRangeScan);
            assertTrue(scan.getComparator().isOnlyPrimaryKeyAndAscending());
            try (DataScanner scan1 = manager.scan(scan, translated.context, new TransactionContext(tx))) {
                List<DataAccessor> tuples = scan1.consume();
                assertEquals(9, tuples.size());
                assertEquals(2, tuples.get(0).get("n1"));
                assertEquals(3, tuples.get(1).get("n1"));
                assertEquals(4, tuples.get(2).get("n1"));
                assertEquals(5, tuples.get(3).get("n1"));
                assertEquals(6, tuples.get(4).get("n1"));
                assertEquals(7, tuples.get(5).get("n1"));
                assertEquals(8, tuples.get(6).get("n1"));
                assertEquals(9, tuples.get(7).get("n1"));
                assertEquals(10, tuples.get(8).get("n1"));
            }
        }
        {
            TranslatedQuery translated = manager.getPlanner().translate(TableSpace.DEFAULT, "SELECT n1,n2 " + "FROM tblspace1.t1 " + "WHERE n1>=2 " + "and n2<=7 " + "order by n1 " + "limit 7", Collections.emptyList(), true, true, false, -1);
            ScanStatement scan = translated.plan.mainStatement.unwrap(ScanStatement.class);
            assertTrue(scan.getPredicate().getIndexOperation() instanceof PrimaryIndexRangeScan);
            assertTrue(scan.getComparator().isOnlyPrimaryKeyAndAscending());
            try (DataScanner scan1 = manager.scan(scan, translated.context, new TransactionContext(tx))) {
                List<DataAccessor> tuples = scan1.consume();
                assertEquals(7, tuples.size());
                assertEquals(2, tuples.get(0).get("n1"));
                assertEquals(3, tuples.get(1).get("n1"));
                assertEquals(4, tuples.get(2).get("n1"));
                assertEquals(5, tuples.get(3).get("n1"));
                assertEquals(6, tuples.get(4).get("n1"));
                assertEquals(7, tuples.get(5).get("n1"));
                assertEquals(8, tuples.get(6).get("n1"));
            }
        }
        {
            TranslatedQuery translated = manager.getPlanner().translate(TableSpace.DEFAULT, "SELECT n1,n2,name " + "FROM tblspace1.t1 " + "WHERE n1>=2 " + "and name='n3' " + "order by n1 " + "limit 200", Collections.emptyList(), true, true, false, -1);
            ScanStatement scan = translated.plan.mainStatement.unwrap(ScanStatement.class);
            assertTrue(scan.getPredicate().getIndexOperation() instanceof PrimaryIndexRangeScan);
            assertTrue(scan.getComparator().isOnlyPrimaryKeyAndAscending());
            try (DataScanner scan1 = manager.scan(scan, translated.context, new TransactionContext(tx))) {
                List<DataAccessor> tuples = scan1.consume();
                tuples.forEach(t -> {
                    System.out.println("OK sortedByClusteredIndex tuple " + t.toMap());
                });
                assertEquals(3, tuples.size());
                assertEquals(8, tuples.get(0).get("n1"));
                assertEquals(9, tuples.get(1).get("n1"));
                assertEquals(10, tuples.get(2).get("n1"));
            }
        }
        {
            TranslatedQuery translated = manager.getPlanner().translate(TableSpace.DEFAULT, "SELECT n1,n2,name " + "FROM tblspace1.t1 " + "WHERE n1>=2 " + "and name='n3' " + "order by n1 ", Collections.emptyList(), true, true, false, -1);
            ScanStatement scan = translated.plan.mainStatement.unwrap(ScanStatement.class);
            assertTrue(scan.getPredicate().getIndexOperation() instanceof PrimaryIndexRangeScan);
            assertTrue(scan.getComparator().isOnlyPrimaryKeyAndAscending());
            try (DataScanner scan1 = manager.scan(scan, translated.context, new TransactionContext(tx))) {
                List<DataAccessor> tuples = scan1.consume();
                tuples.forEach(t -> {
                    System.out.println("OK sortedByClusteredIndex tuple " + t.toMap());
                });
                assertEquals(3, tuples.size());
                assertEquals(8, tuples.get(0).get("n1"));
                assertEquals(9, tuples.get(1).get("n1"));
                assertEquals(10, tuples.get(2).get("n1"));
            }
        }
        {
            TranslatedQuery translated = manager.getPlanner().translate(TableSpace.DEFAULT, "SELECT n1,n2,name " + "FROM tblspace1.t1 " + "WHERE n1>=2 " + "and name='n3' " + "order by n1 desc", Collections.emptyList(), true, true, false, -1);
            ScanStatement scan = translated.plan.mainStatement.unwrap(ScanStatement.class);
            assertTrue(scan.getPredicate().getIndexOperation() instanceof PrimaryIndexRangeScan);
            assertFalse(scan.getComparator().isOnlyPrimaryKeyAndAscending());
            try (DataScanner scan1 = manager.scan(scan, translated.context, new TransactionContext(tx))) {
                List<DataAccessor> tuples = scan1.consume();
                tuples.forEach(t -> {
                    System.out.println("OK sortedByClusteredIndex tuple " + t.toMap());
                });
                assertEquals(3, tuples.size());
                assertEquals(10, tuples.get(0).get("n1"));
                assertEquals(9, tuples.get(1).get("n1"));
                assertEquals(8, tuples.get(2).get("n1"));
            }
        }
        {
            TranslatedQuery translated = manager.getPlanner().translate(TableSpace.DEFAULT, "SELECT n1,n2,name " + "FROM tblspace1.t1 " + "WHERE n1>=2 " + "and name='n3' " + "order by n1 " + "limit 2", Collections.emptyList(), true, true, false, -1);
            ScanStatement scan = translated.plan.mainStatement.unwrap(ScanStatement.class);
            assertTrue(scan.getPredicate().getIndexOperation() instanceof PrimaryIndexRangeScan);
            assertTrue(scan.getComparator().isOnlyPrimaryKeyAndAscending());
            try (DataScanner scan1 = manager.scan(scan, translated.context, new TransactionContext(tx))) {
                List<DataAccessor> tuples = scan1.consume();
                tuples.forEach(t -> {
                    System.out.println("OK sortedByClusteredIndex tuple " + t.toMap());
                });
                assertEquals(2, tuples.size());
                assertEquals(8, tuples.get(0).get("n1"));
                assertEquals(9, tuples.get(1).get("n1"));
            }
        }
    }
}

Example 59 with DataScanner

use of herddb.model.DataScanner in project herddb by diennea.

the class PrimaryIndexScanRangeTest method scanByPKOfIntsWithNegativeValues.

@Test
public void scanByPKOfIntsWithNegativeValues() throws Exception {
    Path dataPath = folder.newFolder("data").toPath();
    String nodeId = "localhost";
    try (DBManager manager = new DBManager("localhost", new MemoryMetadataStorageManager(), new FileDataStorageManager(dataPath), new MemoryCommitLogManager(), null, null)) {
        manager.start();
        CreateTableSpaceStatement st1 = new CreateTableSpaceStatement("tblspace1", Collections.singleton(nodeId), nodeId, 1, 0, 0);
        manager.executeStatement(st1, StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        manager.waitForTablespace("tblspace1", 10000);
        Table table = Table.builder().tablespace("tblspace1").name("t1").column("n1", ColumnTypes.INTEGER).column("n2", ColumnTypes.INTEGER).column("id", ColumnTypes.STRING).column("name", ColumnTypes.STRING).primaryKey("n1").build();
        CreateTableStatement st2 = new CreateTableStatement(table);
        manager.executeStatement(st2, StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        TestUtils.executeUpdate(manager, "INSERT INTO tblspace1.t1(id,n1,n2,name) values('a',1,5,'n1')", Collections.emptyList());
        TestUtils.executeUpdate(manager, "INSERT INTO tblspace1.t1(id,n1,n2,name) values('b',2,5,'n1')", Collections.emptyList());
        TestUtils.executeUpdate(manager, "INSERT INTO tblspace1.t1(id,n1,n2,name) values('c',-3,6,'n2')", Collections.emptyList());
        assertFalse(manager.getTableSpaceManager("tblspace1").getTableManager("t1").isKeyToPageSortedAscending());
        {
            TranslatedQuery translated = manager.getPlanner().translate(TableSpace.DEFAULT, "SELECT n1,n2 " + "FROM tblspace1.t1 " + "order by n1", Collections.emptyList(), true, true, false, -1);
            ScanStatement scan = translated.plan.mainStatement.unwrap(ScanStatement.class);
            assertTrue(scan.getComparator().isOnlyPrimaryKeyAndAscending());
            try (DataScanner scan1 = manager.scan(scan, translated.context, TransactionContext.NO_TRANSACTION)) {
                List<DataAccessor> tuples = scan1.consume();
                assertEquals(3, tuples.size());
                assertEquals(-3, tuples.get(0).get("n1"));
                assertEquals(1, tuples.get(1).get("n1"));
                assertEquals(2, tuples.get(2).get("n1"));
            }
        }
    }
}

Example 60 with DataScanner

use of herddb.model.DataScanner in project herddb by diennea.

the class PrimaryIndexScanRangeTest method primaryIndexPrefixScanWithStringsFileTest.

@Test
public void primaryIndexPrefixScanWithStringsFileTest() throws Exception {
    Path dataPath = folder.newFolder("data").toPath();
    String nodeId = "localhost";
    try (DBManager manager = new DBManager("localhost", new MemoryMetadataStorageManager(), new FileDataStorageManager(dataPath), new MemoryCommitLogManager(), null, null)) {
        manager.start();
        CreateTableSpaceStatement st1 = new CreateTableSpaceStatement("tblspace1", Collections.singleton(nodeId), nodeId, 1, 0, 0);
        manager.executeStatement(st1, StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        manager.waitForTablespace("tblspace1", 10000);
        Table table = Table.builder().tablespace("tblspace1").name("t1").column("n1", ColumnTypes.STRING).column("n2", ColumnTypes.INTEGER).column("id", ColumnTypes.STRING).column("name", ColumnTypes.STRING).primaryKey("n1").build();
        CreateTableStatement st2 = new CreateTableStatement(table);
        manager.executeStatement(st2, StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        TestUtils.executeUpdate(manager, "INSERT INTO tblspace1.t1(id,n1,n2,name) values('a','1',5,'n1')", Collections.emptyList());
        TestUtils.executeUpdate(manager, "INSERT INTO tblspace1.t1(id,n1,n2,name) values('b','2',5,'n1')", Collections.emptyList());
        TestUtils.executeUpdate(manager, "INSERT INTO tblspace1.t1(id,n1,n2,name) values('c','3',6,'n2')", Collections.emptyList());
        TestUtils.executeUpdate(manager, "INSERT INTO tblspace1.t1(id,n1,n2,name) values('d','5',7,'n2')", Collections.emptyList());
        TestUtils.executeUpdate(manager, "INSERT INTO tblspace1.t1(id,n1,n2,name) values('e','6',5,'n2')", Collections.emptyList());
        TestUtils.executeUpdate(manager, "INSERT INTO tblspace1.t1(id,n1,n2,name) values('f','7',7,'n2')", Collections.emptyList());
        assertTrue(manager.getTableSpaceManager("tblspace1").getTableManager("t1").isKeyToPageSortedAscending());
        {
            TranslatedQuery translated = manager.getPlanner().translate(TableSpace.DEFAULT, "SELECT n1,n2 " + "FROM tblspace1.t1 " + "WHERE n1>='2' " + "and n2<=6 " + "order by n1", Collections.emptyList(), true, true, false, -1);
            ScanStatement scan = translated.plan.mainStatement.unwrap(ScanStatement.class);
            assertTrue(scan.getPredicate().getIndexOperation() instanceof PrimaryIndexRangeScan);
            assertTrue(scan.getComparator().isOnlyPrimaryKeyAndAscending());
            try (DataScanner scan1 = manager.scan(scan, translated.context, TransactionContext.NO_TRANSACTION)) {
                List<DataAccessor> tuples = scan1.consume();
                assertEquals(3, tuples.size());
                assertEquals(RawString.of("2"), tuples.get(0).get("n1"));
                assertEquals(RawString.of("3"), tuples.get(1).get("n1"));
                assertEquals(RawString.of("6"), tuples.get(2).get("n1"));
            }
        }
        {
            TranslatedQuery translated = manager.getPlanner().translate(TableSpace.DEFAULT, "SELECT n1,n2 " + "FROM tblspace1.t1 " + "WHERE n1>='2' " + "and n2<=6 " + "order by n1 " + "limit 2", Collections.emptyList(), true, true, false, -1);
            ScanStatement scan = translated.plan.mainStatement.unwrap(ScanStatement.class);
            assertTrue(scan.getPredicate().getIndexOperation() instanceof PrimaryIndexRangeScan);
            assertTrue(scan.getComparator().isOnlyPrimaryKeyAndAscending());
            try (DataScanner scan1 = manager.scan(scan, translated.context, TransactionContext.NO_TRANSACTION)) {
                List<DataAccessor> tuples = scan1.consume();
                assertEquals(2, tuples.size());
                assertEquals(RawString.of("2"), tuples.get(0).get("n1"));
                assertEquals(RawString.of("3"), tuples.get(1).get("n1"));
            }
        }
        {
            TranslatedQuery translated = manager.getPlanner().translate(TableSpace.DEFAULT, "SELECT n1,n2 " + "FROM tblspace1.t1 " + "WHERE n1>='2' " + "and n2<=6 " + "limit 2", Collections.emptyList(), true, true, false, -1);
            ScanStatement scan = translated.plan.mainStatement.unwrap(ScanStatement.class);
            assertTrue(scan.getPredicate().getIndexOperation() instanceof PrimaryIndexRangeScan);
            assertNull(scan.getComparator());
            assertNotNull(scan.getLimits());
            try (DataScanner scan1 = manager.scan(scan, translated.context, TransactionContext.NO_TRANSACTION)) {
                List<DataAccessor> tuples = scan1.consume();
                assertEquals(2, tuples.size());
            }
        }
        {
            TranslatedQuery translated = manager.getPlanner().translate(TableSpace.DEFAULT, "SELECT n1,n2 " + "FROM tblspace1.t1 " + "WHERE n1>='2' " + "and n2<=6 " + "order by n1 " + "limit 1,3", Collections.emptyList(), true, true, false, -1);
            ScanStatement scan = translated.plan.mainStatement.unwrap(ScanStatement.class);
            assertTrue(scan.getPredicate().getIndexOperation() instanceof PrimaryIndexRangeScan);
            assertTrue(scan.getComparator().isOnlyPrimaryKeyAndAscending());
            try (DataScanner scan1 = manager.scan(scan, translated.context, TransactionContext.NO_TRANSACTION)) {
                List<DataAccessor> tuples = scan1.consume();
                assertEquals(2, tuples.size());
                assertEquals(RawString.of("3"), tuples.get(0).get("n1"));
                assertEquals(RawString.of("6"), tuples.get(1).get("n1"));
            }
        }
        {
            TranslatedQuery translated = manager.getPlanner().translate(TableSpace.DEFAULT, "SELECT n1,n2 " + "FROM tblspace1.t1 " + "WHERE n1>='2' " + "and n2<=7 " + "order by n1 " + "limit 1,2", Collections.emptyList(), true, true, false, -1);
            ScanStatement scan = translated.plan.mainStatement.unwrap(ScanStatement.class);
            assertTrue(scan.getPredicate().getIndexOperation() instanceof PrimaryIndexRangeScan);
            assertTrue(scan.getComparator().isOnlyPrimaryKeyAndAscending());
            try (DataScanner scan1 = manager.scan(scan, translated.context, TransactionContext.NO_TRANSACTION)) {
                List<DataAccessor> tuples = scan1.consume();
                assertEquals(2, tuples.size());
                assertEquals(RawString.of("3"), tuples.get(0).get("n1"));
                assertEquals(RawString.of("5"), tuples.get(1).get("n1"));
            }
        }
        {
            TranslatedQuery translated = manager.getPlanner().translate(TableSpace.DEFAULT, "SELECT n1,n2 " + "FROM tblspace1.t1 " + "WHERE n1>='2' " + "and n2<=7 " + "order by n1 " + "limit 3,2", Collections.emptyList(), true, true, false, -1);
            ScanStatement scan = translated.plan.mainStatement.unwrap(ScanStatement.class);
            assertTrue(scan.getPredicate().getIndexOperation() instanceof PrimaryIndexRangeScan);
            assertTrue(scan.getComparator().isOnlyPrimaryKeyAndAscending());
            try (DataScanner scan1 = manager.scan(scan, translated.context, TransactionContext.NO_TRANSACTION)) {
                List<DataAccessor> tuples = scan1.consume();
                assertEquals(2, tuples.size());
                assertEquals(RawString.of("6"), tuples.get(0).get("n1"));
                assertEquals(RawString.of("7"), tuples.get(1).get("n1"));
            }
        }
        {
            TranslatedQuery translated = manager.getPlanner().translate(TableSpace.DEFAULT, "SELECT n1,n2 " + "FROM tblspace1.t1 " + "WHERE n1>='2' " + "and n2<=7 " + "order by n1 " + "limit 4,2", Collections.emptyList(), true, true, false, -1);
            ScanStatement scan = translated.plan.mainStatement.unwrap(ScanStatement.class);
            assertTrue(scan.getPredicate().getIndexOperation() instanceof PrimaryIndexRangeScan);
            assertTrue(scan.getComparator().isOnlyPrimaryKeyAndAscending());
            try (DataScanner scan1 = manager.scan(scan, translated.context, TransactionContext.NO_TRANSACTION)) {
                List<DataAccessor> tuples = scan1.consume();
                assertEquals(1, tuples.size());
                assertEquals(RawString.of("7"), tuples.get(0).get("n1"));
            }
        }
        // add a record in the middle of the sorted recordset
        DMLStatementExecutionResult res = TestUtils.executeUpdate(manager, "INSERT INTO tblspace1.t1(id,n1,n2,name) values('g','4',6,'n2')", Collections.emptyList(), TransactionContext.AUTOTRANSACTION_TRANSACTION);
        long tx = res.transactionId;
        {
            TranslatedQuery translated = manager.getPlanner().translate(TableSpace.DEFAULT, "SELECT n1,n2 " + "FROM tblspace1.t1 " + "WHERE n1>='2' " + "and n2<=6 " + "order by n1", Collections.emptyList(), true, true, false, -1);
            ScanStatement scan = translated.plan.mainStatement.unwrap(ScanStatement.class);
            assertTrue(scan.getPredicate().getIndexOperation() instanceof PrimaryIndexRangeScan);
            assertTrue(scan.getComparator().isOnlyPrimaryKeyAndAscending());
            try (DataScanner scan1 = manager.scan(scan, translated.context, new TransactionContext(tx))) {
                List<DataAccessor> tuples = scan1.consume();
                assertEquals(4, tuples.size());
                assertEquals(RawString.of("2"), tuples.get(0).get("n1"));
                assertEquals(RawString.of("3"), tuples.get(1).get("n1"));
                assertEquals(RawString.of("4"), tuples.get(2).get("n1"));
                assertEquals(RawString.of("6"), tuples.get(3).get("n1"));
            }
        }
        {
            TranslatedQuery translated = manager.getPlanner().translate(TableSpace.DEFAULT, "SELECT n1,n2 " + "FROM tblspace1.t1 " + "WHERE n1>='2' " + "and n2<=7 " + "order by n1", Collections.emptyList(), true, true, false, -1);
            ScanStatement scan = translated.plan.mainStatement.unwrap(ScanStatement.class);
            assertTrue(scan.getPredicate().getIndexOperation() instanceof PrimaryIndexRangeScan);
            assertTrue(scan.getComparator().isOnlyPrimaryKeyAndAscending());
            try (DataScanner scan1 = manager.scan(scan, translated.context, new TransactionContext(tx))) {
                List<DataAccessor> tuples = scan1.consume();
                assertEquals(6, tuples.size());
                assertEquals(RawString.of("2"), tuples.get(0).get("n1"));
                assertEquals(RawString.of("3"), tuples.get(1).get("n1"));
                assertEquals(RawString.of("4"), tuples.get(2).get("n1"));
                assertEquals(RawString.of("5"), tuples.get(3).get("n1"));
                assertEquals(RawString.of("6"), tuples.get(4).get("n1"));
                assertEquals(RawString.of("7"), tuples.get(5).get("n1"));
            }
        }
        {
            TranslatedQuery translated = manager.getPlanner().translate(TableSpace.DEFAULT, "SELECT n1,n2 " + "FROM tblspace1.t1 " + "WHERE n1>='2' " + "and n2<=6 " + "order by n1 " + "limit 2", Collections.emptyList(), true, true, false, -1);
            ScanStatement scan = translated.plan.mainStatement.unwrap(ScanStatement.class);
            assertTrue(scan.getPredicate().getIndexOperation() instanceof PrimaryIndexRangeScan);
            assertTrue(scan.getComparator().isOnlyPrimaryKeyAndAscending());
            try (DataScanner scan1 = manager.scan(scan, translated.context, new TransactionContext(tx))) {
                List<DataAccessor> tuples = scan1.consume();
                assertEquals(2, tuples.size());
                assertEquals(RawString.of("2"), tuples.get(0).get("n1"));
                assertEquals(RawString.of("3"), tuples.get(1).get("n1"));
            }
        }
        {
            TranslatedQuery translated = manager.getPlanner().translate(TableSpace.DEFAULT, "SELECT n1,n2 " + "FROM tblspace1.t1 " + "WHERE n1>='2' " + "and n2<=7 " + "order by n1 " + "limit 1,3", Collections.emptyList(), true, true, false, -1);
            ScanStatement scan = translated.plan.mainStatement.unwrap(ScanStatement.class);
            assertTrue(scan.getPredicate().getIndexOperation() instanceof PrimaryIndexRangeScan);
            assertTrue(scan.getComparator().isOnlyPrimaryKeyAndAscending());
            try (DataScanner scan1 = manager.scan(scan, translated.context, new TransactionContext(tx))) {
                List<DataAccessor> tuples = scan1.consume();
                for (DataAccessor tuple : tuples) {
                    System.out.println("tuple: " + tuple.toMap());
                }
                assertEquals(3, tuples.size());
                assertEquals(RawString.of("3"), tuples.get(0).get("n1"));
                assertEquals(RawString.of("4"), tuples.get(1).get("n1"));
                assertEquals(RawString.of("5"), tuples.get(2).get("n1"));
            }
        }
        {
            TranslatedQuery translated = manager.getPlanner().translate(TableSpace.DEFAULT, "SELECT n1,n2 " + "FROM tblspace1.t1 " + "WHERE n1>='2' " + "and n2<=6 " + "order by n1 " + "limit 1,3", Collections.emptyList(), true, true, false, -1);
            ScanStatement scan = translated.plan.mainStatement.unwrap(ScanStatement.class);
            assertTrue(scan.getPredicate().getIndexOperation() instanceof PrimaryIndexRangeScan);
            assertTrue(scan.getComparator().isOnlyPrimaryKeyAndAscending());
            try (DataScanner scan1 = manager.scan(scan, translated.context, new TransactionContext(tx))) {
                List<DataAccessor> tuples = scan1.consume();
                assertEquals(3, tuples.size());
                assertEquals(RawString.of("3"), tuples.get(0).get("n1"));
                assertEquals(RawString.of("4"), tuples.get(1).get("n1"));
                assertEquals(RawString.of("6"), tuples.get(2).get("n1"));
            }
        }
        {
            TranslatedQuery translated = manager.getPlanner().translate(TableSpace.DEFAULT, "SELECT n1,n2 " + "FROM tblspace1.t1 " + "WHERE n1>='2' " + "and n2<=7 " + "order by n1 " + "limit 1,2", Collections.emptyList(), true, true, false, -1);
            ScanStatement scan = translated.plan.mainStatement.unwrap(ScanStatement.class);
            assertTrue(scan.getPredicate().getIndexOperation() instanceof PrimaryIndexRangeScan);
            assertTrue(scan.getComparator().isOnlyPrimaryKeyAndAscending());
            try (DataScanner scan1 = manager.scan(scan, translated.context, new TransactionContext(tx))) {
                List<DataAccessor> tuples = scan1.consume();
                assertEquals(2, tuples.size());
                assertEquals(RawString.of("3"), tuples.get(0).get("n1"));
                assertEquals(RawString.of("4"), tuples.get(1).get("n1"));
            }
        }
        {
            TranslatedQuery translated = manager.getPlanner().translate(TableSpace.DEFAULT, "SELECT n1,n2 " + "FROM tblspace1.t1 " + "WHERE n1>='2' " + "and n2<=7 " + "order by n1 " + "limit 3,2", Collections.emptyList(), true, true, false, -1);
            ScanStatement scan = translated.plan.mainStatement.unwrap(ScanStatement.class);
            assertTrue(scan.getPredicate().getIndexOperation() instanceof PrimaryIndexRangeScan);
            assertTrue(scan.getComparator().isOnlyPrimaryKeyAndAscending());
            try (DataScanner scan1 = manager.scan(scan, translated.context, new TransactionContext(tx))) {
                List<DataAccessor> tuples = scan1.consume();
                assertEquals(2, tuples.size());
                assertEquals(RawString.of("5"), tuples.get(0).get("n1"));
                assertEquals(RawString.of("6"), tuples.get(1).get("n1"));
            }
        }
        {
            TranslatedQuery translated = manager.getPlanner().translate(TableSpace.DEFAULT, "SELECT n1,n2 " + "FROM tblspace1.t1 " + "WHERE n1>='2' " + "and n2<=7 " + "order by n1 " + "limit 4,2", Collections.emptyList(), true, true, false, -1);
            ScanStatement scan = translated.plan.mainStatement.unwrap(ScanStatement.class);
            assertTrue(scan.getPredicate().getIndexOperation() instanceof PrimaryIndexRangeScan);
            assertTrue(scan.getComparator().isOnlyPrimaryKeyAndAscending());
            try (DataScanner scan1 = manager.scan(scan, translated.context, new TransactionContext(tx))) {
                List<DataAccessor> tuples = scan1.consume();
                assertEquals(2, tuples.size());
                assertEquals(RawString.of("6"), tuples.get(0).get("n1"));
                assertEquals(RawString.of("7"), tuples.get(1).get("n1"));
            }
        }
        {
            TranslatedQuery translated = manager.getPlanner().translate(TableSpace.DEFAULT, "SELECT n1,n2 " + "FROM tblspace1.t1 " + "WHERE n1>='2' " + "and n2<=7 " + "order by n1 " + "limit 5,2", Collections.emptyList(), true, true, false, -1);
            ScanStatement scan = translated.plan.mainStatement.unwrap(ScanStatement.class);
            assertTrue(scan.getPredicate().getIndexOperation() instanceof PrimaryIndexRangeScan);
            assertTrue(scan.getComparator().isOnlyPrimaryKeyAndAscending());
            try (DataScanner scan1 = manager.scan(scan, translated.context, new TransactionContext(tx))) {
                List<DataAccessor> tuples = scan1.consume();
                assertEquals(1, tuples.size());
                assertEquals(RawString.of("7"), tuples.get(0).get("n1"));
            }
        }
        // add other records in the context of the transaction
        TestUtils.executeUpdate(manager, "INSERT INTO tblspace1.t1(id,n1,n2,name) values('g','8',6,'n3')", Collections.emptyList(), new TransactionContext(tx));
        TestUtils.executeUpdate(manager, "INSERT INTO tblspace1.t1(id,n1,n2,name) values('g','9',6,'n3')", Collections.emptyList(), new TransactionContext(tx));
        TestUtils.executeUpdate(manager, "INSERT INTO tblspace1.t1(id,n1,n2,name) values('g','A',6,'n3')", Collections.emptyList(), new TransactionContext(tx));
        {
            TranslatedQuery translated = manager.getPlanner().translate(TableSpace.DEFAULT, "SELECT n1,n2 " + "FROM tblspace1.t1 " + "WHERE n1>='2' " + "and n2<=7 " + "order by n1 ", Collections.emptyList(), true, true, false, -1);
            ScanStatement scan = translated.plan.mainStatement.unwrap(ScanStatement.class);
            assertTrue(scan.getPredicate().getIndexOperation() instanceof PrimaryIndexRangeScan);
            assertTrue(scan.getComparator().isOnlyPrimaryKeyAndAscending());
            try (DataScanner scan1 = manager.scan(scan, translated.context, new TransactionContext(tx))) {
                List<DataAccessor> tuples = scan1.consume();
                assertEquals(9, tuples.size());
                assertEquals(RawString.of("2"), tuples.get(0).get("n1"));
                assertEquals(RawString.of("3"), tuples.get(1).get("n1"));
                assertEquals(RawString.of("4"), tuples.get(2).get("n1"));
                assertEquals(RawString.of("5"), tuples.get(3).get("n1"));
                assertEquals(RawString.of("6"), tuples.get(4).get("n1"));
                assertEquals(RawString.of("7"), tuples.get(5).get("n1"));
                assertEquals(RawString.of("8"), tuples.get(6).get("n1"));
                assertEquals(RawString.of("9"), tuples.get(7).get("n1"));
                assertEquals(RawString.of("A"), tuples.get(8).get("n1"));
            }
        }
        {
            TranslatedQuery translated = manager.getPlanner().translate(TableSpace.DEFAULT, "SELECT n1,n2 " + "FROM tblspace1.t1 " + "WHERE n1>='2' " + "and n2<=7 " + "order by n1 " + "limit 7", Collections.emptyList(), true, true, false, -1);
            ScanStatement scan = translated.plan.mainStatement.unwrap(ScanStatement.class);
            assertTrue(scan.getPredicate().getIndexOperation() instanceof PrimaryIndexRangeScan);
            assertTrue(scan.getComparator().isOnlyPrimaryKeyAndAscending());
            try (DataScanner scan1 = manager.scan(scan, translated.context, new TransactionContext(tx))) {
                List<DataAccessor> tuples = scan1.consume();
                assertEquals(7, tuples.size());
                assertEquals(RawString.of("2"), tuples.get(0).get("n1"));
                assertEquals(RawString.of("3"), tuples.get(1).get("n1"));
                assertEquals(RawString.of("4"), tuples.get(2).get("n1"));
                assertEquals(RawString.of("5"), tuples.get(3).get("n1"));
                assertEquals(RawString.of("6"), tuples.get(4).get("n1"));
                assertEquals(RawString.of("7"), tuples.get(5).get("n1"));
                assertEquals(RawString.of("8"), tuples.get(6).get("n1"));
            }
        }
        {
            TranslatedQuery translated = manager.getPlanner().translate(TableSpace.DEFAULT, "SELECT n1,n2,name " + "FROM tblspace1.t1 " + "WHERE n1>='2' " + "and name='n3' " + "order by n1 " + "limit 200", Collections.emptyList(), true, true, false, -1);
            ScanStatement scan = translated.plan.mainStatement.unwrap(ScanStatement.class);
            assertTrue(scan.getPredicate().getIndexOperation() instanceof PrimaryIndexRangeScan);
            assertTrue(scan.getComparator().isOnlyPrimaryKeyAndAscending());
            try (DataScanner scan1 = manager.scan(scan, translated.context, new TransactionContext(tx))) {
                List<DataAccessor> tuples = scan1.consume();
                tuples.forEach(t -> {
                    System.out.println("OK sortedByClusteredIndex tuple " + t.toMap());
                });
                assertEquals(3, tuples.size());
                assertEquals(RawString.of("8"), tuples.get(0).get("n1"));
                assertEquals(RawString.of("9"), tuples.get(1).get("n1"));
                assertEquals(RawString.of("A"), tuples.get(2).get("n1"));
            }
        }
        {
            TranslatedQuery translated = manager.getPlanner().translate(TableSpace.DEFAULT, "SELECT n1,n2,name " + "FROM tblspace1.t1 " + "WHERE n1>='2' " + "and name='n3' " + "order by n1 ", Collections.emptyList(), true, true, false, -1);
            ScanStatement scan = translated.plan.mainStatement.unwrap(ScanStatement.class);
            assertTrue(scan.getPredicate().getIndexOperation() instanceof PrimaryIndexRangeScan);
            assertTrue(scan.getComparator().isOnlyPrimaryKeyAndAscending());
            try (DataScanner scan1 = manager.scan(scan, translated.context, new TransactionContext(tx))) {
                List<DataAccessor> tuples = scan1.consume();
                tuples.forEach(t -> {
                    System.out.println("OK sortedByClusteredIndex tuple " + t.toMap());
                });
                assertEquals(3, tuples.size());
                assertEquals(RawString.of("8"), tuples.get(0).get("n1"));
                assertEquals(RawString.of("9"), tuples.get(1).get("n1"));
                assertEquals(RawString.of("A"), tuples.get(2).get("n1"));
            }
        }
        {
            TranslatedQuery translated = manager.getPlanner().translate(TableSpace.DEFAULT, "SELECT n1,n2,name " + "FROM tblspace1.t1 " + "WHERE n1>='2' " + "and name='n3' " + "order by n1 desc", Collections.emptyList(), true, true, false, -1);
            ScanStatement scan = translated.plan.mainStatement.unwrap(ScanStatement.class);
            assertTrue(scan.getPredicate().getIndexOperation() instanceof PrimaryIndexRangeScan);
            assertFalse(scan.getComparator().isOnlyPrimaryKeyAndAscending());
            try (DataScanner scan1 = manager.scan(scan, translated.context, new TransactionContext(tx))) {
                List<DataAccessor> tuples = scan1.consume();
                tuples.forEach(t -> {
                    System.out.println("OK sortedByClusteredIndex tuple " + t.toMap());
                });
                assertEquals(3, tuples.size());
                assertEquals(RawString.of("A"), tuples.get(0).get("n1"));
                assertEquals(RawString.of("9"), tuples.get(1).get("n1"));
                assertEquals(RawString.of("8"), tuples.get(2).get("n1"));
            }
        }
        {
            TranslatedQuery translated = manager.getPlanner().translate(TableSpace.DEFAULT, "SELECT n1,n2,name " + "FROM tblspace1.t1 " + "WHERE n1>='2' " + "and name='n3' " + "order by n1 " + "limit 2", Collections.emptyList(), true, true, false, -1);
            ScanStatement scan = translated.plan.mainStatement.unwrap(ScanStatement.class);
            assertTrue(scan.getPredicate().getIndexOperation() instanceof PrimaryIndexRangeScan);
            assertTrue(scan.getComparator().isOnlyPrimaryKeyAndAscending());
            try (DataScanner scan1 = manager.scan(scan, translated.context, new TransactionContext(tx))) {
                List<DataAccessor> tuples = scan1.consume();
                tuples.forEach(t -> {
                    System.out.println("OK sortedByClusteredIndex tuple " + t.toMap());
                });
                assertEquals(2, tuples.size());
                assertEquals(RawString.of("8"), tuples.get(0).get("n1"));
                assertEquals(RawString.of("9"), tuples.get(1).get("n1"));
            }
        }
    }
}