Examples with MVStore org.h2.mvstore.MVStore used on opensource projects

Example 21 with MVStore

use of org.h2.mvstore.MVStore in project h2database by h2database.

the class TestMVRTree method testRandomInsert.

private void testRandomInsert() {
    String fileName = getBaseDir() + "/" + getTestName();
    FileUtils.delete(fileName);
    MVStore s;
    s = new MVStore.Builder().fileName(fileName).pageSplitSize(100).open();
    MVRTreeMap<String> map = s.openMap("data", new MVRTreeMap.Builder<String>());
    Random r = new Random(1);
    for (int i = 0; i < 1000; i++) {
        if (i % 100 == 0) {
            r.setSeed(1);
        }
        float x = r.nextFloat() * 50, y = r.nextFloat() * 50;
        SpatialKey k = new SpatialKey(i % 100, x, x + 2, y, y + 1);
        map.put(k, "i:" + i);
        if (i % 10 == 0) {
            s.commit();
        }
    }
    s.close();
}

Example 22 with MVStore

use of org.h2.mvstore.MVStore in project h2database by h2database.

the class TestMVTableEngine method testGarbageCollectionForLOB.

private void testGarbageCollectionForLOB() throws SQLException {
    if (config.memory) {
        return;
    }
    Connection conn;
    Statement stat;
    deleteDb(getTestName());
    String url = getTestName() + ";MV_STORE=TRUE";
    url = getURL(url, true);
    conn = getConnection(url);
    stat = conn.createStatement();
    stat.execute("create table test(id int, data blob)");
    stat.execute("insert into test select x, repeat('0', 10000) " + "from system_range(1, 10)");
    stat.execute("drop table test");
    stat.execute("create table test2(id int, data blob)");
    PreparedStatement prep = conn.prepareStatement("insert into test2 values(?, ?)");
    prep.setInt(1, 1);
    assertThrows(ErrorCode.IO_EXCEPTION_1, prep).setBinaryStream(1, createFailingStream(new IOException()));
    prep.setInt(1, 2);
    assertThrows(ErrorCode.IO_EXCEPTION_1, prep).setBinaryStream(1, createFailingStream(new IllegalStateException()));
    conn.close();
    MVStore s = MVStore.open(getBaseDir() + "/" + getTestName() + ".mv.db");
    assertTrue(s.hasMap("lobData"));
    MVMap<Long, byte[]> lobData = s.openMap("lobData");
    assertEquals(0, lobData.sizeAsLong());
    assertTrue(s.hasMap("lobMap"));
    MVMap<Long, byte[]> lobMap = s.openMap("lobMap");
    assertEquals(0, lobMap.sizeAsLong());
    assertTrue(s.hasMap("lobRef"));
    MVMap<Long, byte[]> lobRef = s.openMap("lobRef");
    assertEquals(0, lobRef.sizeAsLong());
    s.close();
}

Example 23 with MVStore

use of org.h2.mvstore.MVStore in project h2database by h2database.

the class TestRandomMapOps method openStore.

private static MVStore openStore(String fileName) {
    MVStore s = new MVStore.Builder().fileName(fileName).pageSplitSize(50).autoCommitDisabled().open();
    s.setRetentionTime(1000);
    return s;
}

Example 24 with MVStore

use of org.h2.mvstore.MVStore in project h2database by h2database.

the class TestRandomMapOps method testOps.

private void testOps(String fileName, int size, int seed) {
    FileUtils.delete(fileName);
    MVStore s = openStore(fileName);
    MVMap<Integer, byte[]> m = s.openMap("data");
    Random r = new Random(seed);
    op = 0;
    TreeMap<Integer, byte[]> map = new TreeMap<>();
    for (; op < size; op++) {
        int k = r.nextInt(100);
        byte[] v = new byte[r.nextInt(10) * 10];
        int type = r.nextInt(12);
        switch(type) {
            case 0:
            case 1:
            case 2:
            case 3:
                log(op, k, v, "m.put({0}, {1})");
                m.put(k, v);
                map.put(k, v);
                break;
            case 4:
            case 5:
                log(op, k, v, "m.remove({0})");
                m.remove(k);
                map.remove(k);
                break;
            case 6:
                log(op, k, v, "s.compact(90, 1024)");
                s.compact(90, 1024);
                break;
            case 7:
                log(op, k, v, "m.clear()");
                m.clear();
                map.clear();
                break;
            case 8:
                log(op, k, v, "s.commit()");
                s.commit();
                break;
            case 9:
                log(op, k, v, "s.commit()");
                s.commit();
                log(op, k, v, "s.close()");
                s.close();
                log(op, k, v, "s = openStore(fileName)");
                s = openStore(fileName);
                log(op, k, v, "m = s.openMap(\"data\")");
                m = s.openMap("data");
                break;
            case 10:
                log(op, k, v, "s.commit()");
                s.commit();
                log(op, k, v, "s.compactMoveChunks()");
                s.compactMoveChunks();
                break;
            case 11:
                log(op, k, v, "m.getKeyIndex({0})");
                ArrayList<Integer> keyList = new ArrayList<>(map.keySet());
                int index = Collections.binarySearch(keyList, k, null);
                int index2 = (int) m.getKeyIndex(k);
                assertEquals(index, index2);
                if (index >= 0) {
                    int k2 = m.getKey(index);
                    assertEquals(k2, k);
                }
                break;
        }
        assertEqualsMapValues(map.get(k), m.get(k));
        assertEquals(map.ceilingKey(k), m.ceilingKey(k));
        assertEquals(map.floorKey(k), m.floorKey(k));
        assertEquals(map.higherKey(k), m.higherKey(k));
        assertEquals(map.lowerKey(k), m.lowerKey(k));
        assertEquals(map.isEmpty(), m.isEmpty());
        assertEquals(map.size(), m.size());
        if (!map.isEmpty()) {
            assertEquals(map.firstKey(), m.firstKey());
            assertEquals(map.lastKey(), m.lastKey());
        }
    }
    s.close();
}

Example 25 with MVStore

use of org.h2.mvstore.MVStore in project h2database by h2database.

the class TestTransactionStore method testTransactionAge.

private void testTransactionAge() throws Exception {
    MVStore s;
    TransactionStore ts;
    s = MVStore.open(null);
    ts = new TransactionStore(s);
    ts.init();
    ts.setMaxTransactionId(16);
    ArrayList<Transaction> openList = new ArrayList<>();
    for (int i = 0, j = 1; i < 64; i++) {
        Transaction t = ts.begin();
        openList.add(t);
        assertEquals(j, t.getId());
        j++;
        if (j > 16) {
            j = 1;
        }
        if (openList.size() >= 16) {
            t = openList.remove(0);
            t.commit();
        }
    }
    s = MVStore.open(null);
    ts = new TransactionStore(s);
    ts.init();
    ts.setMaxTransactionId(16);
    ArrayList<Transaction> fifo = New.arrayList();
    int open = 0;
    for (int i = 0; i < 64; i++) {
        Transaction t = null;
        if (open >= 16) {
            try {
                t = ts.begin();
                fail();
            } catch (IllegalStateException e) {
            // expected - too many open
            }
            Transaction first = fifo.remove(0);
            first.commit();
            open--;
        }
        t = ts.begin();
        t.openMap("data").put(i, i);
        fifo.add(t);
        open++;
    }
    s.close();
}