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

Example 41 with GetResult

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

the class SimpleTransactionTest method rollbackCreateTable.

@Test
public void rollbackCreateTable() throws Exception {
    Bytes key = Bytes.from_int(1234);
    Bytes value = Bytes.from_long(8888);
    Table transacted_table = Table.builder().tablespace(tableSpace).name("t2").column("id", ColumnTypes.STRING).column("name", ColumnTypes.STRING).primaryKey("id").build();
    long tx = beginTransaction();
    CreateTableStatement st_create = new CreateTableStatement(transacted_table);
    manager.executeStatement(st_create, StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), new TransactionContext(tx));
    InsertStatement insert = new InsertStatement(tableSpace, "t2", new Record(key, value));
    assertEquals(1, manager.executeUpdate(insert, StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), new TransactionContext(tx)).getUpdateCount());
    GetStatement get = new GetStatement(tableSpace, "t2", key, null, false);
    GetResult result = manager.get(get, StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), new TransactionContext(tx));
    assertTrue(result.found());
    assertEquals(key, result.getRecord().key);
    assertEquals(value, result.getRecord().value);
    RollbackTransactionStatement rollback = new RollbackTransactionStatement(tableSpace, tx);
    manager.executeStatement(rollback, StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
    try {
        manager.get(new GetStatement(tableSpace, "t2", key, null, false), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        fail();
    } catch (TableDoesNotExistException error) {
    }
}

Example 42 with GetResult

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

the class SimpleTransactionTest method testInsertThenDelete.

@Test
public void testInsertThenDelete() throws Exception {
    Bytes key = Bytes.from_string("key1");
    long tx = beginTransaction();
    {
        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(), new TransactionContext(tx)).getUpdateCount());
    }
    {
        DeleteStatement st = new DeleteStatement(tableSpace, tableName, key, null);
        assertEquals(1, manager.executeUpdate(st, StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), new TransactionContext(tx)).getUpdateCount());
    }
    commitTransaction(tx);
    GetResult get = manager.get(new GetStatement(tableSpace, tableName, key, null, false), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
    assertFalse(get.found());
}

Example 43 with GetResult

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

the class RawSQLTest method basicTest.

@Test
public void basicTest() throws Exception {
    String nodeId = "localhost";
    try (DBManager manager = new DBManager("localhost", new MemoryMetadataStorageManager(), new MemoryDataStorageManager(), 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);
        execute(manager, "CREATE TABLE tblspace1.tsql (k1 string primary key,n1 int,s1 string)", Collections.emptyList());
        assertEquals(1, executeUpdate(manager, "INSERT INTO tblspace1.tsql(k1,n1) values(?,?)", Arrays.asList("mykey", Integer.valueOf(1234))).getUpdateCount());
        {
            GetResult result = manager.get(new GetStatement("tblspace1", "tsql", Bytes.from_string("mykey"), null, false), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
            assertTrue(result.found());
            assertEquals(result.getRecord().key, Bytes.from_string("mykey"));
            Map<String, Object> finalRecord = result.getRecord().toBean(manager.getTableSpaceManager("tblspace1").getTableManager("tsql").getTable());
            assertEquals(RawString.of("mykey"), finalRecord.get("k1"));
            assertEquals(Integer.valueOf(1234), finalRecord.get("n1"));
        }
        {
            assertEquals(1, executeUpdate(manager, "UPDATE tblspace1.tsql set n1=? where k1 = ?", Arrays.asList(Integer.valueOf(999), "mykey")).getUpdateCount());
        }
        {
            assertEquals(1, executeUpdate(manager, "UPDATE tblspace1.tsql set n1=? where k1 = ? and n1 = ?", Arrays.asList(Integer.valueOf(100), "mykey", Integer.valueOf(999))).getUpdateCount());
        }
        {
            assertEquals(1, executeUpdate(manager, "UPDATE tblspace1.tsql set n1=? where k1 = ? and (n1 = ? or n1 <> ?)", Arrays.asList(Integer.valueOf(999), "mykey", Integer.valueOf(100), Integer.valueOf(1000))).getUpdateCount());
        }
        {
            assertEquals(1, executeUpdate(manager, "UPDATE tblspace1.tsql set n1=? where k1 = ? and (n1 <> ?)", Arrays.asList(Integer.valueOf(34), "mykey", Integer.valueOf(15))).getUpdateCount());
        }
        {
            assertEquals(1, executeUpdate(manager, "UPDATE tblspace1.tsql set n1=? where k1 = ? and not (n1 <> ?)", Arrays.asList(Integer.valueOf(999), "mykey", Integer.valueOf(34))).getUpdateCount());
        }
        {
            GetResult result = manager.get(new GetStatement("tblspace1", "tsql", Bytes.from_string("mykey"), null, false), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
            assertTrue(result.found());
            assertEquals(result.getRecord().key, Bytes.from_string("mykey"));
            Map<String, Object> finalRecord = result.getRecord().toBean(manager.getTableSpaceManager("tblspace1").getTableManager("tsql").getTable());
            assertEquals(RawString.of("mykey"), finalRecord.get("k1"));
            assertEquals(Integer.valueOf(999), finalRecord.get("n1"));
        }
        {
            TranslatedQuery translate1 = manager.getPlanner().translate(TableSpace.DEFAULT, "SELECT * FROM tblspace1.tsql where k1 = ?", Arrays.asList("mykey"), false, true, false, -1);
            GetStatement st_get = (GetStatement) translate1.plan.mainStatement;
            GetResult result = manager.get(st_get, translate1.context, TransactionContext.NO_TRANSACTION);
            assertTrue(result.found());
            assertEquals(result.getRecord().key, Bytes.from_string("mykey"));
            Map<String, Object> finalRecord = result.getRecord().toBean(manager.getTableSpaceManager("tblspace1").getTableManager("tsql").getTable());
            assertEquals(RawString.of("mykey"), finalRecord.get("k1"));
            assertEquals(Integer.valueOf(999), finalRecord.get("n1"));
        }
        {
            TranslatedQuery translate1 = manager.getPlanner().translate(TableSpace.DEFAULT, "SELECT * FROM tblspace1.tsql where k1 = ? and n1=?", Arrays.asList("mykey", 999), false, true, false, -1);
            GetStatement st_get_with_condition = (GetStatement) translate1.plan.mainStatement;
            GetResult result = manager.get(st_get_with_condition, translate1.context, TransactionContext.NO_TRANSACTION);
            assertTrue(result.found());
            assertEquals(result.getRecord().key, Bytes.from_string("mykey"));
            Map<String, Object> finalRecord = result.getRecord().toBean(manager.getTableSpaceManager("tblspace1").getTableManager("tsql").getTable());
            assertEquals(RawString.of("mykey"), finalRecord.get("k1"));
            assertEquals(Integer.valueOf(999), finalRecord.get("n1"));
        }
        {
            TranslatedQuery translate1 = manager.getPlanner().translate(TableSpace.DEFAULT, "SELECT * FROM tblspace1.tsql where k1 = ? and n1=?", Arrays.asList("mykey", 9992), false, true, false, -1);
            GetStatement st_get_with_wrong_condition = (GetStatement) translate1.plan.mainStatement;
            GetResult result = manager.get(st_get_with_wrong_condition, translate1.context, TransactionContext.NO_TRANSACTION);
            assertFalse(result.found());
        }
        {
            assertEquals(0, executeUpdate(manager, "DELETE FROM tblspace1.tsql where k1 = ? and n1 = ?", Arrays.asList("mykey", 123)).getUpdateCount());
        }
        {
            assertEquals(1, executeUpdate(manager, "DELETE FROM tblspace1.tsql where k1 = ?", Arrays.asList("mykey")).getUpdateCount());
        }
        {
            GetResult result = manager.get(new GetStatement("tblspace1", "tsql", Bytes.from_string("mykey"), null, false), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
            assertFalse(result.found());
        }
        {
            assertEquals(1, executeUpdate(manager, "INSERT INTO tblspace1.tsql(k1,n1) values(?,?)", Arrays.asList("mykey", Integer.valueOf(1234))).getUpdateCount());
        }
        {
            GetResult result = manager.get(new GetStatement("tblspace1", "tsql", Bytes.from_string("mykey"), null, false), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
            assertTrue(result.found());
        }
        {
            assertEquals(1, executeUpdate(manager, "DELETE FROM tblspace1.tsql where k1 = ? and n1=?", Arrays.asList("mykey", 1234)).getUpdateCount());
        }
        {
            GetResult result = manager.get(new GetStatement("tblspace1", "tsql", Bytes.from_string("mykey"), null, false), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
            assertFalse(result.found());
        }
        {
            assertEquals(1, executeUpdate(manager, "INSERT INTO tblspace1.tsql(k1,n1) values('mykey2',1234)", Collections.emptyList()).getUpdateCount());
        }
        {
            assertEquals(1, executeUpdate(manager, "UPDATE tblspace1.tsql set n1=2135 where k1 = 'mykey2'", Collections.emptyList()).getUpdateCount());
        }
        {
            assertEquals(1, executeUpdate(manager, "UPDATE tblspace1.tsql set n1=2138,s1='foo' where k1 = 'mykey2' and s1 is null", Collections.emptyList()).getUpdateCount());
        }
        {
            TranslatedQuery translate1 = manager.getPlanner().translate(TableSpace.DEFAULT, "SELECT * FROM tblspace1.tsql where k1 ='mykey2'", Collections.emptyList(), true, true, false, -1);
            ScanStatement scan = translate1.plan.mainStatement.unwrap(ScanStatement.class);
            try (DataScanner scan1 = manager.scan(scan, translate1.context, TransactionContext.NO_TRANSACTION)) {
                assertEquals(1, scan1.consume().size());
            }
        }
        {
            TranslatedQuery translate1 = manager.getPlanner().translate(TableSpace.DEFAULT, "SELECT k1 FROM tblspace1.tsql where k1 ='mykey2'", Collections.emptyList(), true, true, false, -1);
            try (DataScanner scan1 = ((ScanResult) manager.executePlan(translate1.plan, translate1.context, TransactionContext.NO_TRANSACTION)).dataScanner) {
                List<DataAccessor> records = scan1.consume();
                assertEquals(1, records.size());
                System.out.println("records:" + records);
                assertEquals(1, records.get(0).getFieldNames().length);
                assertEquals(1, records.get(0).toMap().size());
                assertEquals("k1", records.get(0).getFieldNames()[0]);
                assertEquals(RawString.of("mykey2"), records.get(0).get(0));
            }
        }
        {
            TranslatedQuery translate1 = manager.getPlanner().translate(TableSpace.DEFAULT, "SELECT k1 theKey FROM tblspace1.tsql where k1 ='mykey2'", Collections.emptyList(), true, true, false, -1);
            try (DataScanner scan1 = ((ScanResult) manager.executePlan(translate1.plan, translate1.context, TransactionContext.NO_TRANSACTION)).dataScanner) {
                List<DataAccessor> records = scan1.consume();
                assertEquals(1, records.size());
                assertEquals(1, records.get(0).getFieldNames().length);
                assertEquals(1, records.get(0).toMap().size());
                assertEquals("thekey", records.get(0).getFieldNames()[0].toLowerCase());
                System.out.println("type: " + records.get(0).getClass());
                assertEquals(RawString.of("mykey2"), records.get(0).get(0));
            }
        }
        {
            TranslatedQuery translate1 = manager.getPlanner().translate(TableSpace.DEFAULT, "SELECT k1 as theKey,'one' as theStringConstant,3  LongConstant FROM tblspace1.tsql where k1 ='mykey2'", Collections.emptyList(), true, true, false, -1);
            try (DataScanner scan1 = ((ScanResult) manager.executePlan(translate1.plan, translate1.context, TransactionContext.NO_TRANSACTION)).dataScanner) {
                List<DataAccessor> records = scan1.consume();
                assertEquals(1, records.size());
                assertEquals(3, records.get(0).getFieldNames().length);
                assertEquals(3, records.get(0).toMap().size());
                assertEquals("thekey", records.get(0).getFieldNames()[0].toLowerCase());
                assertEquals(RawString.of("mykey2"), records.get(0).get(0));
                assertEquals("thestringconstant", records.get(0).getFieldNames()[1].toLowerCase());
                assertEquals(RawString.of("one"), records.get(0).get(1));
                assertEquals("longconstant", records.get(0).getFieldNames()[2].toLowerCase());
                assertEquals(3, ((Number) records.get(0).get(2)).longValue());
            }
        }
        {
            TranslatedQuery translate1 = manager.getPlanner().translate(TableSpace.DEFAULT, "SELECT * FROM tblspace1.tsql where k1 ='mykey2' and s1 is not null", Collections.emptyList(), true, true, false, -1);
            ScanStatement scan = translate1.plan.mainStatement.unwrap(ScanStatement.class);
            try (DataScanner scan1 = manager.scan(scan, translate1.context, TransactionContext.NO_TRANSACTION)) {
                assertEquals(1, scan1.consume().size());
            }
        }
        {
            assertEquals(1, executeUpdate(manager, "UPDATE tblspace1.tsql set n1=2138,s1='bar' where k1 = 'mykey2' and s1 is not null", Collections.emptyList()).getUpdateCount());
        }
        {
            assertEquals(0, executeUpdate(manager, "UPDATE tblspace1.tsql set n1=2138,s1='bar' where k1 = 'mykey2' and s1 is null", Collections.emptyList()).getUpdateCount());
        }
        {
            assertEquals(0, executeUpdate(manager, "UPDATE tblspace1.tsql set n1=2138,s1='bar' where k1 = 'mykey2' and not (s1 is not null)", Collections.emptyList()).getUpdateCount());
        }
        {
            assertEquals(1, executeUpdate(manager, "UPDATE tblspace1.tsql set n1=2138,s1='bar' where k1 = 'mykey2' and not (s1 is null)", Collections.emptyList()).getUpdateCount());
        }
        {
            assertEquals(1, executeUpdate(manager, "DELETE FROM  tblspace1.tsql where k1 = 'mykey2' and s1 is not null", Collections.emptyList()).getUpdateCount());
            assertEquals(0, executeUpdate(manager, "DELETE FROM  tblspace1.tsql where k1 = 'mykey2' and s1 is not null", Collections.emptyList()).getUpdateCount());
        }
        {
            GetResult result = manager.get(new GetStatement("tblspace1", "tsql", Bytes.from_string("mykey2"), null, false), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
            assertFalse(result.found());
        }
        {
            TransactionResult result = (TransactionResult) execute(manager, "EXECUTE BEGINTRANSACTION 'tblspace1'", Collections.emptyList());
            long tx = result.getTransactionId();
            execute(manager, "EXECUTE COMMITTRANSACTION 'tblspace1'," + tx, Collections.emptyList());
        }
        {
            TransactionResult result = (TransactionResult) execute(manager, "EXECUTE BEGINTRANSACTION 'tblspace1'", Collections.emptyList());
            long tx = result.getTransactionId();
            execute(manager, "EXECUTE ROLLBACKTRANSACTION 'tblspace1'," + tx, Collections.emptyList());
        }
    }
}

Example 44 with GetResult

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

the class SimpleClusterDisklessTest method test.

@Test
public void test() throws Exception {
    {
        Record record = new Record(Bytes.from_string("key1"), Bytes.from_string("0"));
        InsertStatement st = new InsertStatement(tableSpace, tableName, record);
        assertEquals(1, manager.executeUpdate(st, StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION).getUpdateCount());
    }
    assertEquals(0, dataStorageManager.getActualNumberOfPages(tableSpaceUUID, tableName));
    manager.checkpoint();
    String tableUuid = manager.getTableSpaceManager(tableSpace).getTableManager(tableName).getTable().uuid;
    assertNotNull(dataStorageManager.readPage(tableSpaceUUID, tableUuid, 1L));
    assertEquals(1, dataStorageManager.getActualNumberOfPages(tableSpaceUUID, tableUuid));
    {
        GetResult result = manager.get(new GetStatement(tableSpace, tableName, Bytes.from_string("key1"), null, false), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        assertTrue(result.found());
    }
    manager.checkpoint();
    assertEquals(1, dataStorageManager.getActualNumberOfPages(tableSpaceUUID, tableUuid));
    {
        Record record = new Record(Bytes.from_string("key1"), Bytes.from_string("5"));
        UpdateStatement st = new UpdateStatement(tableSpace, tableName, record, null);
        assertEquals(1, manager.executeUpdate(st, StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION).getUpdateCount());
    }
    // a new page must be allocated
    manager.checkpoint();
    assertEquals(1, dataStorageManager.getActualNumberOfPages(tableSpaceUUID, tableUuid));
    {
        Record record = new Record(Bytes.from_string("key1"), Bytes.from_string("6"));
        UpdateStatement st = new UpdateStatement(tableSpace, tableName, record, null);
        assertEquals(1, manager.executeUpdate(st, StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION).getUpdateCount());
    }
    {
        Record record = new Record(Bytes.from_string("key1"), Bytes.from_string("7"));
        UpdateStatement st = new UpdateStatement(tableSpace, tableName, record, null);
        assertEquals(1, manager.executeUpdate(st, StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION).getUpdateCount());
    }
    // only a new page must be allocated, not two more
    manager.checkpoint();
    assertEquals(1, dataStorageManager.getActualNumberOfPages(tableSpaceUUID, tableUuid));
    {
        DeleteStatement st = new DeleteStatement(tableSpace, tableName, Bytes.from_string("key1"), null);
        assertEquals(1, manager.executeUpdate(st, StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION).getUpdateCount());
        GetResult result = manager.get(new GetStatement(tableSpace, tableName, Bytes.from_string("key1"), null, false), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        assertFalse(result.found());
    }
    // a delete does not trigger new pages in this case
    manager.checkpoint();
    assertEquals(0, dataStorageManager.getActualNumberOfPages(tableSpaceUUID, tableUuid));
    {
        assertEquals(1, manager.executeUpdate(new InsertStatement(tableSpace, tableName, new Record(Bytes.from_string("key2"), Bytes.from_string("50"))), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION).getUpdateCount());
        assertEquals(1, manager.executeUpdate(new InsertStatement(tableSpace, tableName, new Record(Bytes.from_string("key3"), Bytes.from_string("60"))), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION).getUpdateCount());
    }
    manager.checkpoint();
    assertEquals(1, dataStorageManager.getActualNumberOfPages(tableSpaceUUID, tableUuid));
    {
        DeleteStatement st = new DeleteStatement(tableSpace, tableName, Bytes.from_string("key2"), null);
        assertEquals(1, manager.executeUpdate(st, StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION).getUpdateCount());
    }
    // a new page, containg the key3 record is needed
    manager.checkpoint();
    assertEquals(1, dataStorageManager.getActualNumberOfPages(tableSpaceUUID, tableUuid));
    Holder<TableStatus> _tableStatus = new Holder<>();
    dataStorageManager.fullTableScan(tableSpaceUUID, tableUuid, new FullTableScanConsumer() {

        @Override
        public void acceptTableStatus(TableStatus tableStatus) {
            _tableStatus.value = tableStatus;
        }
    });
    for (long pageId : _tableStatus.value.activePages.keySet()) {
        List<Record> records = dataStorageManager.readPage(tableSpaceUUID, tableUuid, pageId);
        System.out.println("PAGE #" + pageId + " records :" + records);
    }
    assertEquals(1, _tableStatus.value.activePages.size());
}

Example 45 with GetResult

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

the class SimpleDMLFileTest method test.

@Test
public void test() throws Exception {
    {
        Record record = new Record(Bytes.from_string("key1"), Bytes.from_string("0"));
        InsertStatement st = new InsertStatement(tableSpace, tableName, record);
        assertEquals(1, manager.executeUpdate(st, StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION).getUpdateCount());
    }
    String tableUuid = manager.getTableSpaceManager(tableSpace).getTableManager(tableName).getTable().uuid;
    boolean notexist = false;
    try {
        dataStorageManager.readPage(tableSpaceUUID, tableUuid, 1L);
    } catch (DataPageDoesNotExistException ex) {
        notexist = true;
    } finally {
        assertTrue(notexist);
    }
    assertEquals(0, dataStorageManager.getActualNumberOfPages(tableSpaceUUID, tableUuid));
    manager.checkpoint();
    assertNotNull(dataStorageManager.readPage(tableSpaceUUID, tableUuid, 1L));
    assertEquals(1, dataStorageManager.getActualNumberOfPages(tableSpaceUUID, tableUuid));
    {
        GetResult result = manager.get(new GetStatement(tableSpace, tableName, Bytes.from_string("key1"), null, false), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        assertTrue(result.found());
    }
    manager.checkpoint();
    assertEquals(1, dataStorageManager.getActualNumberOfPages(tableSpaceUUID, tableUuid));
    {
        Record record = new Record(Bytes.from_string("key1"), Bytes.from_string("5"));
        UpdateStatement st = new UpdateStatement(tableSpace, tableName, record, null);
        assertEquals(1, manager.executeUpdate(st, StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION).getUpdateCount());
    }
    // a new page must be allocated
    manager.checkpoint();
    assertEquals(1, dataStorageManager.getActualNumberOfPages(tableSpaceUUID, tableUuid));
    {
        Record record = new Record(Bytes.from_string("key1"), Bytes.from_string("6"));
        UpdateStatement st = new UpdateStatement(tableSpace, tableName, record, null);
        assertEquals(1, manager.executeUpdate(st, StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION).getUpdateCount());
    }
    {
        Record record = new Record(Bytes.from_string("key1"), Bytes.from_string("7"));
        UpdateStatement st = new UpdateStatement(tableSpace, tableName, record, null);
        assertEquals(1, manager.executeUpdate(st, StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION).getUpdateCount());
    }
    // only a new page must be allocated, not two more
    manager.checkpoint();
    assertEquals(1, dataStorageManager.getActualNumberOfPages(tableSpaceUUID, tableUuid));
    {
        DeleteStatement st = new DeleteStatement(tableSpace, tableName, Bytes.from_string("key1"), null);
        assertEquals(1, manager.executeUpdate(st, StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION).getUpdateCount());
        GetResult result = manager.get(new GetStatement(tableSpace, tableName, Bytes.from_string("key1"), null, false), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        assertFalse(result.found());
    }
    // a delete does not trigger new pages in this case
    manager.checkpoint();
    assertEquals(0, dataStorageManager.getActualNumberOfPages(tableSpaceUUID, tableUuid));
    {
        assertEquals(1, manager.executeUpdate(new InsertStatement(tableSpace, tableName, new Record(Bytes.from_string("key2"), Bytes.from_string("50"))), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION).getUpdateCount());
        assertEquals(1, manager.executeUpdate(new InsertStatement(tableSpace, tableName, new Record(Bytes.from_string("key3"), Bytes.from_string("60"))), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION).getUpdateCount());
    }
    manager.checkpoint();
    assertEquals(1, dataStorageManager.getActualNumberOfPages(tableSpaceUUID, tableUuid));
    {
        DeleteStatement st = new DeleteStatement(tableSpace, tableName, Bytes.from_string("key2"), null);
        assertEquals(1, manager.executeUpdate(st, StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION).getUpdateCount());
    }
    // a new page, containg the key3 record is needed
    manager.checkpoint();
}