Examples of org.h2.index.PageDataIndex

org.h2.test.rowlock.TestRowLocks
The scan index allows to access a row by key. It can be used to iterate over all rows of a table. Each regular table has one such object, even if no primary key or indexes are defined.

     * @param tableId the object id of the table
     * @param key the key of the row to delete
     */
    void redoDelete(int logPos, int tableId, long key) {
        Index index = metaObjects.get(tableId);
        PageDataIndex scan = (PageDataIndex) index;
        Row row = scan.getRowWithKey(key);
        redo(logPos, tableId, row, false);
    }

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                    throw DbException.get(ErrorCode.FILE_CORRUPTED_1, "index not found " + indexId);
                }
                if (!(idx instanceof PageDataIndex)) {
                    throw DbException.get(ErrorCode.FILE_CORRUPTED_1, "not a data index " + indexId + " " + idx);
                }
                PageDataIndex index = (PageDataIndex) idx;
                if (statistics != null) {
                    statisticsIncrement(index.getTable().getName() + "." + index.getName() + " read");
                }
                p = PageDataLeaf.read(index, data, pageId);
                break;
            }
            case Page.TYPE_DATA_NODE: {
                int indexId = data.readVarInt();
                PageIndex idx = metaObjects.get(indexId);
                if (idx == null) {
                    throw DbException.get(ErrorCode.FILE_CORRUPTED_1, "index not found " + indexId);
                }
                if (!(idx instanceof PageDataIndex)) {
                    throw DbException.get(ErrorCode.FILE_CORRUPTED_1, "not a data index " + indexId + " " + idx);
                }
                PageDataIndex index = (PageDataIndex) idx;
                if (statistics != null) {
                    statisticsIncrement(index.getTable().getName() + "." + index.getName() + " read");
                }
                p = PageDataNode.read(index, data, pageId);
                break;
            }
            case Page.TYPE_DATA_OVERFLOW: {
                p = PageDataOverflow.read(this, data, pageId);
                if (statistics != null) {
                    statisticsIncrement("overflow read");
                }
                break;
            }
            case Page.TYPE_BTREE_LEAF: {
                int indexId = data.readVarInt();
                PageIndex idx = metaObjects.get(indexId);
                if (idx == null) {
                    throw DbException.get(ErrorCode.FILE_CORRUPTED_1, "index not found " + indexId);
                }
                if (!(idx instanceof PageBtreeIndex)) {
                    throw DbException.get(ErrorCode.FILE_CORRUPTED_1, "not a btree index " + indexId + " " + idx);
                }
                PageBtreeIndex index = (PageBtreeIndex) idx;
                if (statistics != null) {
                    statisticsIncrement(index.getTable().getName() + "." + index.getName() + " read");
                }
                p = PageBtreeLeaf.read(index, data, pageId);
                break;
            }
            case Page.TYPE_BTREE_NODE: {
                int indexId = data.readVarInt();
                PageIndex idx = metaObjects.get(indexId);
                if (idx == null) {
                    throw DbException.get(ErrorCode.FILE_CORRUPTED_1, "index not found " + indexId);
                }
                if (!(idx instanceof PageBtreeIndex)) {
                    throw DbException.get(ErrorCode.FILE_CORRUPTED_1, "not a btree index " + indexId + " " + idx);
                }
                PageBtreeIndex index = (PageBtreeIndex) idx;
                if (statistics != null) {
                    statisticsIncrement(index.getTable().getName() + "." + index.getName() + " read");
                }
                p = PageBtreeNode.read(index, data, pageId);
                break;
            }
            case Page.TYPE_STREAM_TRUNK:

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                log.removeUntil(firstUncommittedSection);
            } else {
                setReadOnly = true;
            }
        }
        PageDataIndex systemTable = (PageDataIndex) metaObjects.get(0);
        isNew = systemTable == null;
        for (PageIndex index : metaObjects.values()) {
            if (index.getTable().isTemporary()) {
                // temporary indexes are removed after opening
                if (tempObjects == null) {

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     * @param tableId the object id of the table
     * @param key the key of the row to delete
     */
    void redoDelete(int logPos, int tableId, long key) {
        Index index = metaObjects.get(tableId);
        PageDataIndex scan = (PageDataIndex) index;
        Row row = scan.getRowWithKey(key);
        redo(logPos, tableId, row, false);
    }

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    public RegularTable(CreateTableData data) {
        super(data);
        this.isHidden = data.isHidden;
        if (data.persistData && database.isPersistent()) {
            mainIndex = new PageDataIndex(this, data.id, IndexColumn.wrap(getColumns()), IndexType.createScan(data.persistData), data.create, data.session);
            scanIndex = mainIndex;
        } else {
            scanIndex = new ScanIndex(this, data.id, IndexColumn.wrap(getColumns()), IndexType.createScan(data.persistData));
        }
        indexes.add(scanIndex);

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        testReadOnly();
        testAdapter();
    }


    private static void testAdapter() {
        TraceSystem ts = new TraceSystem(null);
        ts.setLevelFile(TraceSystem.ADAPTER);
        ts.getTrace("test").info("test");
        ts.close();
    }

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        ts.getTrace("test").info("test");
        ts.close();
    }


    private void testTraceDebug() {
        TraceSystem ts = new TraceSystem(null);
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        ts.setSysOut(new PrintStream(out));
        ts.setLevelSystemOut(TraceSystem.DEBUG);
        ts.getTrace("test").debug(new Exception("error"), "test");
        ts.close();
        String outString = new String(out.toByteArray());
        assertContains(outString, "error");
        assertContains(outString, "Exception");
        assertContains(outString, "test");
    }

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    private void testReadOnly() throws Exception {
        String readOnlyFile = getBaseDir() + "/readOnly.log";
        IOUtils.delete(readOnlyFile);
        IOUtils.openFileOutputStream(readOnlyFile, false).close();
        FileSystem.getInstance(getBaseDir()).setReadOnly(readOnlyFile);
        TraceSystem ts = new TraceSystem(readOnlyFile);
        ts.setLevelFile(TraceSystem.INFO);
        ts.getTrace("test").info("test");
        IOUtils.delete(readOnlyFile);
        ts.close();
    }

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        FileSystem.getInstance("split:").delete("split:" + getBaseDir() + "/openClose2.h2.db");
        Connection conn;
        conn = DriverManager.getConnection("jdbc:h2:split:18:" + getBaseDir() + "/openClose2");
        conn.createStatement().execute("create table test(id int, name varchar) as select 1, space(1000000)");
        conn.close();
        FileObject f = FileSystem.getInstance(getBaseDir()).openFileObject(getBaseDir() + "/openClose2.h2.db.1.part", "rw");
        f.setFileLength(f.length() * 2);
        f.close();
        assertThrows(ErrorCode.IO_EXCEPTION_2, this).
                getConnection("jdbc:h2:split:18:" + getBaseDir() + "/openClose2");
        FileSystem.getInstance("split:").delete("split:" + getBaseDir() + "/openClose2.h2.db");
    }

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        // mvcc & row level locking
        new TestMvcc1().runTest(this);
        new TestMvcc2().runTest(this);
        new TestMvcc3().runTest(this);
        new TestMvccMultiThreaded().runTest(this);
        new TestRowLocks().runTest(this);


        // synth
        new TestBtreeIndex().runTest(this);
        new TestCrashAPI().runTest(this);
        new TestFuzzOptimizations().runTest(this);

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