Examples with ILSMComponentFilter org.apache.hyracks.storage.am.lsm.common.api.ILSMComponentFilter used on opensource projects

Example 1 with ILSMComponentFilter

use of org.apache.hyracks.storage.am.lsm.common.api.ILSMComponentFilter in project asterixdb by apache.

the class LSMBTreeFilterMergeTestDriver method runTest.

@Override
protected void runTest(ISerializerDeserializer[] fieldSerdes, int numKeys, BTreeLeafFrameType leafType, ITupleReference lowKey, ITupleReference highKey, ITupleReference prefixLowKey, ITupleReference prefixHighKey) throws Exception {
    OrderedIndexTestContext ctx = createTestContext(fieldSerdes, numKeys, leafType, true);
    ctx.getIndex().create();
    ctx.getIndex().activate();
    // to determine which field types to generate.
    if (fieldSerdes[0] instanceof IntegerSerializerDeserializer) {
        orderedIndexTestUtils.bulkLoadIntTuples(ctx, numTuplesToInsert, true, getRandom());
    } else if (fieldSerdes[0] instanceof UTF8StringSerializerDeserializer) {
        orderedIndexTestUtils.bulkLoadStringTuples(ctx, numTuplesToInsert, true, getRandom());
    }
    int maxTreesToMerge = AccessMethodTestsConfig.LSM_BTREE_MAX_TREES_TO_MERGE;
    ILSMIndexAccessor accessor = (ILSMIndexAccessor) ctx.getIndexAccessor();
    IBinaryComparator comp = ctx.getComparatorFactories()[0].createBinaryComparator();
    for (int i = 0; i < maxTreesToMerge; i++) {
        int flushed = 0;
        for (; flushed < i; flushed++) {
            Pair<ITupleReference, ITupleReference> minMax = null;
            if (fieldSerdes[0] instanceof IntegerSerializerDeserializer) {
                minMax = orderedIndexTestUtils.insertIntTuples(ctx, numTuplesToInsert, true, getRandom());
            } else {
                minMax = orderedIndexTestUtils.insertStringTuples(ctx, numTuplesToInsert, true, getRandom());
            }
            if (minMax != null) {
                ILSMComponentFilter f = ((LSMBTree) ctx.getIndex()).getCurrentMemoryComponent().getLSMComponentFilter();
                Pair<ITupleReference, ITupleReference> obsMinMax = filterToMinMax(f);
                Assert.assertEquals(0, TreeIndexTestUtils.compareFilterTuples(obsMinMax.getLeft(), minMax.getLeft(), comp));
                Assert.assertEquals(0, TreeIndexTestUtils.compareFilterTuples(obsMinMax.getRight(), minMax.getRight(), comp));
            }
            StubIOOperationCallback stub = new StubIOOperationCallback();
            BlockingIOOperationCallbackWrapper waiter = new BlockingIOOperationCallbackWrapper(stub);
            accessor.scheduleFlush(waiter);
            waiter.waitForIO();
            if (minMax != null) {
                Pair<ITupleReference, ITupleReference> obsMinMax = filterToMinMax(stub.getLastNewComponent().getLSMComponentFilter());
                Assert.assertEquals(0, TreeIndexTestUtils.compareFilterTuples(obsMinMax.getLeft(), minMax.getLeft(), comp));
                Assert.assertEquals(0, TreeIndexTestUtils.compareFilterTuples(obsMinMax.getRight(), minMax.getRight(), comp));
            }
        }
        List<ILSMDiskComponent> flushedComponents = ((LSMBTree) ctx.getIndex()).getImmutableComponents();
        MutablePair<ITupleReference, ITupleReference> expectedMergeMinMax = null;
        for (ILSMDiskComponent f : flushedComponents) {
            Pair<ITupleReference, ITupleReference> componentMinMax = filterToMinMax(f.getLSMComponentFilter());
            if (expectedMergeMinMax == null) {
                expectedMergeMinMax = MutablePair.of(componentMinMax.getLeft(), componentMinMax.getRight());
            }
            if (TreeIndexTestUtils.compareFilterTuples(expectedMergeMinMax.getLeft(), componentMinMax.getLeft(), comp) > 0) {
                expectedMergeMinMax.setLeft(componentMinMax.getLeft());
            }
            if (TreeIndexTestUtils.compareFilterTuples(expectedMergeMinMax.getRight(), componentMinMax.getRight(), comp) < 0) {
                expectedMergeMinMax.setRight(componentMinMax.getRight());
            }
        }
        accessor.scheduleMerge(NoOpIOOperationCallbackFactory.INSTANCE.createIoOpCallback(), ((LSMBTree) ctx.getIndex()).getImmutableComponents());
        flushedComponents = ((LSMBTree) ctx.getIndex()).getImmutableComponents();
        Pair<ITupleReference, ITupleReference> mergedMinMax = filterToMinMax(flushedComponents.get(0).getLSMComponentFilter());
        Assert.assertEquals(0, TreeIndexTestUtils.compareFilterTuples(expectedMergeMinMax.getLeft(), mergedMinMax.getLeft(), comp));
        Assert.assertEquals(0, TreeIndexTestUtils.compareFilterTuples(expectedMergeMinMax.getRight(), mergedMinMax.getRight(), comp));
        orderedIndexTestUtils.checkPointSearches(ctx);
        orderedIndexTestUtils.checkScan(ctx);
        orderedIndexTestUtils.checkDiskOrderScan(ctx);
        orderedIndexTestUtils.checkRangeSearch(ctx, lowKey, highKey, true, true);
        if (prefixLowKey != null && prefixHighKey != null) {
            orderedIndexTestUtils.checkRangeSearch(ctx, prefixLowKey, prefixHighKey, true, true);
        }
    }
    ctx.getIndex().deactivate();
    ctx.getIndex().destroy();
}