Examples with DataPageDoesNotExistException herddb.storage.DataPageDoesNotExistException used on opensource projects

Example 1 with DataPageDoesNotExistException

use of herddb.storage.DataPageDoesNotExistException 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();
}

Example 2 with DataPageDoesNotExistException

use of herddb.storage.DataPageDoesNotExistException in project herddb by diennea.

the class TableManager method loadPageToMemory.

private DataPage loadPageToMemory(Long pageId, boolean recovery) throws DataStorageManagerException {
    DataPage result = pages.get(pageId);
    if (result != null) {
        pageReplacementPolicy.pageHit(result);
        return result;
    }
    long _start = System.currentTimeMillis();
    long _ioAndLock = 0;
    AtomicBoolean computed = new AtomicBoolean();
    try {
        result = pages.computeIfAbsent(pageId, (id) -> {
            try {
                computed.set(true);
                List<Record> page;
                maxCurrentPagesLoads.acquireUninterruptibly();
                try {
                    page = dataStorageManager.readPage(tableSpaceUUID, table.uuid, pageId);
                } finally {
                    maxCurrentPagesLoads.release();
                }
                loadedPagesCount.increment();
                return buildImmutableDataPage(pageId, page);
            } catch (DataStorageManagerException err) {
                throw new RuntimeException(err);
            }
        });
        if (computed.get()) {
            _ioAndLock = System.currentTimeMillis();
            final Page.Metadata unload = pageReplacementPolicy.add(result);
            if (unload != null) {
                unload.owner.unload(unload.pageId);
            }
        }
    } catch (RuntimeException error) {
        if (error.getCause() != null) {
            Throwable cause = error.getCause();
            if (cause instanceof DataStorageManagerException) {
                if (cause instanceof DataPageDoesNotExistException) {
                    return null;
                }
                throw (DataStorageManagerException) cause;
            }
        }
        throw new DataStorageManagerException(error);
    }
    if (computed.get()) {
        long _stop = System.currentTimeMillis();
        LOGGER.log(Level.FINE, "table " + table.name + "," + "loaded " + result.size() + " records from page " + pageId + " in " + (_stop - _start) + " ms" + ", (" + (_ioAndLock - _start) + " ms read + plock" + ", " + (_stop - _ioAndLock) + " ms unlock)");
    }
    return result;
}

Example 3 with DataPageDoesNotExistException

use of herddb.storage.DataPageDoesNotExistException in project herddb by diennea.

the class FileDataStorageManager method readPage.

@Override
public List<Record> readPage(String tableSpace, String tableName, Long pageId) throws DataStorageManagerException, DataPageDoesNotExistException {
    long _start = System.currentTimeMillis();
    Path tableDir = getTableDirectory(tableSpace, tableName);
    Path pageFile = getPageFile(tableDir, pageId);
    List<Record> result;
    try {
        result = rawReadDataPage(pageFile);
    } catch (NoSuchFileException nsfe) {
        throw new DataPageDoesNotExistException("No such page: " + tableSpace + "_" + tableName + "." + pageId, nsfe);
    } catch (IOException err) {
        throw new DataStorageManagerException("error reading data page: " + tableSpace + "_" + tableName + "." + pageId, err);
    }
    long _stop = System.currentTimeMillis();
    long delta = _stop - _start;
    LOGGER.log(Level.FINE, "readPage {0}.{1} {2} ms", new Object[] { tableSpace, tableName, delta + "" });
    return result;
}