Examples with RangeSet com.apple.foundationdb.async.RangeSet used on opensource projects

Example 11 with RangeSet

use of com.apple.foundationdb.async.RangeSet in project fdb-record-layer by FoundationDB.

the class OnlineIndexerSimpleTest method testMarkReadableClearsBuiltRanges.

@Test
public void testMarkReadableClearsBuiltRanges() {
    List<TestRecords1Proto.MySimpleRecord> records = LongStream.range(0, 200).mapToObj(val -> TestRecords1Proto.MySimpleRecord.newBuilder().setRecNo(val).setNumValue2((int) val + 1).build()).collect(Collectors.toList());
    Index index = new Index("newIndex", field("num_value_2").ungrouped(), IndexTypes.SUM);
    IndexAggregateFunction aggregateFunction = new IndexAggregateFunction(FunctionNames.SUM, index.getRootExpression(), index.getName());
    List<String> indexTypes = Collections.singletonList("MySimpleRecord");
    FDBRecordStoreTestBase.RecordMetaDataHook hook = metaDataBuilder -> metaDataBuilder.addIndex("MySimpleRecord", index);
    openSimpleMetaData();
    try (FDBRecordContext context = openContext()) {
        records.forEach(recordStore::saveRecord);
        context.commit();
    }
    openSimpleMetaData(hook);
    try (OnlineIndexer indexer = OnlineIndexer.newBuilder().setDatabase(fdb).setMetaData(metaData).setIndex(index).setSubspace(subspace).build()) {
        indexer.buildIndex(true);
    }
    openSimpleMetaData(hook);
    try (FDBRecordContext context = openContext()) {
        // Verify rangeSet is cleared when index is marked readable
        final RangeSet rangeSet = new RangeSet(recordStore.indexRangeSubspace(index));
        AsyncIterator<Range> ranges = rangeSet.missingRanges(recordStore.ensureContextActive()).iterator();
        final Range range = ranges.next();
        final boolean range1IsEmpty = RangeSet.isFirstKey(range.begin) && RangeSet.isFinalKey(range.end);
        assertTrue(range1IsEmpty);
        // fake commit, happy compiler
        context.commit();
    }
}

Example 12 with RangeSet

use of com.apple.foundationdb.async.RangeSet in project fdb-record-layer by FoundationDB.

the class OnlineIndexerSimpleTest method buildEndpointIdempotency.

@Test
public void buildEndpointIdempotency() {
    List<TestRecords1Proto.MySimpleRecord> records = LongStream.range(0, 10).mapToObj(val -> TestRecords1Proto.MySimpleRecord.newBuilder().setRecNo(val).setNumValue2((int) val + 1).build()).collect(Collectors.toList());
    Index index = new Index("simple$value_2", field("num_value_2").ungrouped(), IndexTypes.SUM);
    IndexAggregateFunction aggregateFunction = new IndexAggregateFunction(FunctionNames.SUM, index.getRootExpression(), index.getName());
    List<String> indexTypes = Collections.singletonList("MySimpleRecord");
    FDBRecordStoreTestBase.RecordMetaDataHook hook = metaDataBuilder -> metaDataBuilder.addIndex("MySimpleRecord", index);
    final Supplier<Tuple> getAggregate = () -> {
        Tuple ret;
        try (FDBRecordContext context = openContext()) {
            assertTrue(recordStore.uncheckedMarkIndexReadable(index.getName()).join());
            FDBRecordStore recordStore2 = recordStore.asBuilder().setContext(context).uncheckedOpen();
            ret = recordStore2.evaluateAggregateFunction(indexTypes, aggregateFunction, TupleRange.ALL, IsolationLevel.SERIALIZABLE).join();
        // Do NOT commit the change.
        }
        return ret;
    };
    openSimpleMetaData();
    try (FDBRecordContext context = openContext()) {
        records.forEach(recordStore::saveRecord);
        context.commit();
    }
    openSimpleMetaData(hook);
    try (FDBRecordContext context = openContext()) {
        recordStore.markIndexWriteOnly(index).join();
        context.commit();
    }
    try (OnlineIndexer indexBuilder = OnlineIndexer.newBuilder().setDatabase(fdb).setMetaData(metaData).setIndex(index).setSubspace(subspace).build()) {
        final RangeSet rangeSet = new RangeSet(recordStore.indexRangeSubspace(index));
        // Build the endpoints
        TupleRange range = indexBuilder.buildEndpoints().join();
        assertEquals(Tuple.from(0L), range.getLow());
        assertEquals(Tuple.from(9L), range.getHigh());
        assertEquals(Tuple.from(10L), getAggregate.get());
        assertEquals(Collections.emptyList(), rangeSet.missingRanges(fdb.database(), null, Tuple.from(0L).pack()).join());
        assertEquals(Collections.emptyList(), rangeSet.missingRanges(fdb.database(), Tuple.from(9L).pack(), null).join());
        List<Range> middleRanges = rangeSet.missingRanges(fdb.database()).join();
        assertEquals(Collections.singletonList(Tuple.from(0L)), middleRanges.stream().map(r -> Tuple.fromBytes(r.begin)).collect(Collectors.toList()));
        assertEquals(Collections.singletonList(Tuple.from(9L)), middleRanges.stream().map(r -> Tuple.fromBytes(r.end)).collect(Collectors.toList()));
        // Make sure running this again doesn't change anything.
        range = indexBuilder.buildEndpoints().join();
        assertEquals(Tuple.from(0L), range.getLow());
        assertEquals(Tuple.from(9L), range.getHigh());
        assertEquals(Tuple.from(10L), getAggregate.get());
        assertEquals(Collections.emptyList(), rangeSet.missingRanges(fdb.database(), null, Tuple.from(0L).pack()).join());
        assertEquals(Collections.emptyList(), rangeSet.missingRanges(fdb.database(), Tuple.from(9L).pack(), null).join());
        middleRanges = rangeSet.missingRanges(fdb.database()).join();
        assertEquals(Collections.singletonList(Tuple.from(0L)), middleRanges.stream().map(r -> Tuple.fromBytes(r.begin)).collect(Collectors.toList()));
        assertEquals(Collections.singletonList(Tuple.from(9L)), middleRanges.stream().map(r -> Tuple.fromBytes(r.end)).collect(Collectors.toList()));
        // Remove the first and last records.
        try (FDBRecordContext context = openContext()) {
            recordStore.deleteRecord(Tuple.from(0L));
            recordStore.deleteRecord(Tuple.from(9L));
            context.commit();
        }
        assertEquals(Tuple.from(0L), getAggregate.get());
        // Rerun endpoints with new data.
        range = indexBuilder.buildEndpoints().join();
        assertEquals(Tuple.from(1L), range.getLow());
        assertEquals(Tuple.from(8L), range.getHigh());
        assertEquals(Tuple.from(9L), getAggregate.get());
        assertEquals(Collections.emptyList(), rangeSet.missingRanges(fdb.database(), null, Tuple.from(1L).pack()).join());
        assertEquals(Collections.emptyList(), rangeSet.missingRanges(fdb.database(), Tuple.from(8L).pack(), null).join());
        middleRanges = rangeSet.missingRanges(fdb.database()).join();
        assertEquals(Collections.singletonList(Tuple.from(1L)), middleRanges.stream().map(r -> Tuple.fromBytes(r.begin)).collect(Collectors.toList()));
        assertEquals(Collections.singletonList(Tuple.from(8L)), middleRanges.stream().map(r -> Tuple.fromBytes(r.end)).collect(Collectors.toList()));
        // Run it again to show that nothing has happened.
        range = indexBuilder.buildEndpoints().join();
        assertEquals(Tuple.from(1L), range.getLow());
        assertEquals(Tuple.from(8L), range.getHigh());
        assertEquals(Tuple.from(9L), getAggregate.get());
        assertEquals(Collections.emptyList(), rangeSet.missingRanges(fdb.database(), null, Tuple.from(1L).pack()).join());
        assertEquals(Collections.emptyList(), rangeSet.missingRanges(fdb.database(), Tuple.from(8L).pack(), null).join());
        middleRanges = rangeSet.missingRanges(fdb.database()).join();
        assertEquals(Collections.singletonList(Tuple.from(1L)), middleRanges.stream().map(r -> Tuple.fromBytes(r.begin)).collect(Collectors.toList()));
        assertEquals(Collections.singletonList(Tuple.from(8L)), middleRanges.stream().map(r -> Tuple.fromBytes(r.end)).collect(Collectors.toList()));
        // Add back the previous first and last records.
        try (FDBRecordContext context = openContext()) {
            recordStore.saveRecord(TestRecords1Proto.MySimpleRecord.newBuilder().setRecNo(0L).setNumValue2(1).build());
            recordStore.saveRecord(TestRecords1Proto.MySimpleRecord.newBuilder().setRecNo(9L).setNumValue2(10).build());
            context.commit();
        }
        assertEquals(Tuple.from(20L), getAggregate.get());
        // Rerun endpoints with new data.
        range = indexBuilder.buildEndpoints().join();
        assertEquals(Tuple.from(0L), range.getLow());
        assertEquals(Tuple.from(9L), range.getHigh());
        assertEquals(Tuple.from(20L), getAggregate.get());
        assertEquals(Collections.emptyList(), rangeSet.missingRanges(fdb.database(), null, Tuple.from(1L).pack()).join());
        assertEquals(Collections.emptyList(), rangeSet.missingRanges(fdb.database(), Tuple.from(8L).pack(), null).join());
        middleRanges = rangeSet.missingRanges(fdb.database()).join();
        assertEquals(Collections.singletonList(Tuple.from(1L)), middleRanges.stream().map(r -> Tuple.fromBytes(r.begin)).collect(Collectors.toList()));
        assertEquals(Collections.singletonList(Tuple.from(8L)), middleRanges.stream().map(r -> Tuple.fromBytes(r.end)).collect(Collectors.toList()));
        // Run it again to show that nothing has happened.
        range = indexBuilder.buildEndpoints().join();
        assertEquals(Tuple.from(0L), range.getLow());
        assertEquals(Tuple.from(9L), range.getHigh());
        assertEquals(Tuple.from(20L), getAggregate.get());
        assertEquals(Collections.emptyList(), rangeSet.missingRanges(fdb.database(), null, Tuple.from(1L).pack()).join());
        assertEquals(Collections.emptyList(), rangeSet.missingRanges(fdb.database(), Tuple.from(8L).pack(), null).join());
        middleRanges = rangeSet.missingRanges(fdb.database()).join();
        assertEquals(Collections.singletonList(Tuple.from(1L)), middleRanges.stream().map(r -> Tuple.fromBytes(r.begin)).collect(Collectors.toList()));
        assertEquals(Collections.singletonList(Tuple.from(8L)), middleRanges.stream().map(r -> Tuple.fromBytes(r.end)).collect(Collectors.toList()));
        // Straight up build the whole index.
        indexBuilder.buildIndex(false);
        assertEquals(Tuple.from(55L), getAggregate.get());
        assertEquals(Collections.emptyList(), rangeSet.missingRanges(fdb.database()).join());
    }
}

Example 13 with RangeSet

use of com.apple.foundationdb.async.RangeSet in project fdb-record-layer by FoundationDB.

the class OnlineIndexerBuildIndexTest method singleRebuild.

void singleRebuild(@Nonnull List<TestRecords1Proto.MySimpleRecord> records, @Nullable List<TestRecords1Proto.MySimpleRecord> recordsWhileBuilding, int agents, boolean overlap, boolean splitLongRecords, @Nonnull Index index, @Nonnull Runnable beforeBuild, @Nonnull Runnable afterBuild, @Nonnull Runnable afterReadable) {
    LOGGER.info(KeyValueLogMessage.of("beginning rebuild test", TestLogMessageKeys.RECORDS, records.size(), LogMessageKeys.RECORDS_WHILE_BUILDING, recordsWhileBuilding == null ? 0 : recordsWhileBuilding.size(), TestLogMessageKeys.AGENTS, agents, TestLogMessageKeys.OVERLAP, overlap, TestLogMessageKeys.SPLIT_LONG_RECORDS, splitLongRecords, TestLogMessageKeys.INDEX, index));
    final FDBStoreTimer timer = new FDBStoreTimer();
    final FDBRecordStoreTestBase.RecordMetaDataHook onlySplitHook = metaDataBuilder -> {
        if (splitLongRecords) {
            metaDataBuilder.setSplitLongRecords(true);
            metaDataBuilder.removeIndex("MySimpleRecord$str_value_indexed");
        }
    };
    final FDBRecordStoreTestBase.RecordMetaDataHook hook = metaDataBuilder -> {
        onlySplitHook.apply(metaDataBuilder);
        metaDataBuilder.addIndex("MySimpleRecord", index);
    };
    LOGGER.info(KeyValueLogMessage.of("inserting elements prior to test", TestLogMessageKeys.RECORDS, records.size()));
    openSimpleMetaData(onlySplitHook);
    try (FDBRecordContext context = openContext()) {
        for (TestRecords1Proto.MySimpleRecord record : records) {
            // Check presence first to avoid overwriting version information of previously added records.
            Tuple primaryKey = Tuple.from(record.getRecNo());
            if (recordStore.loadRecord(primaryKey) == null) {
                recordStore.saveRecord(record);
            }
        }
        context.commit();
    }
    LOGGER.info(KeyValueLogMessage.of("running before build for test"));
    beforeBuild.run();
    openSimpleMetaData(hook);
    LOGGER.info(KeyValueLogMessage.of("adding index", TestLogMessageKeys.INDEX, index));
    openSimpleMetaData(hook);
    final boolean isAlwaysReadable;
    try (FDBRecordContext context = openContext()) {
        // care of by OnlineIndexer.
        if (!safeBuild) {
            LOGGER.info(KeyValueLogMessage.of("marking write-only", TestLogMessageKeys.INDEX, index));
            recordStore.clearAndMarkIndexWriteOnly(index).join();
        }
        isAlwaysReadable = safeBuild && recordStore.isIndexReadable(index);
        context.commit();
    }
    LOGGER.info(KeyValueLogMessage.of("creating online index builder", TestLogMessageKeys.INDEX, index, TestLogMessageKeys.RECORD_TYPES, metaData.recordTypesForIndex(index), LogMessageKeys.SUBSPACE, ByteArrayUtil2.loggable(subspace.pack()), LogMessageKeys.LIMIT, 20, TestLogMessageKeys.RECORDS_PER_SECOND, OnlineIndexer.DEFAULT_RECORDS_PER_SECOND * 100));
    final OnlineIndexer.Builder builder = OnlineIndexer.newBuilder().setDatabase(fdb).setMetaData(metaData).setIndex(index).setSubspace(subspace).setConfigLoader(old -> {
        OnlineIndexer.Config.Builder conf = OnlineIndexer.Config.newBuilder().setMaxLimit(20).setMaxRetries(Integer.MAX_VALUE).setRecordsPerSecond(OnlineIndexer.DEFAULT_RECORDS_PER_SECOND * 100);
        if (ThreadLocalRandom.current().nextBoolean()) {
            // randomly enable the progress logging to ensure that it doesn't throw exceptions,
            // or otherwise disrupt the build.
            LOGGER.info("Setting progress log interval");
            conf.setProgressLogIntervalMillis(0);
        }
        return conf.build();
    }).setTimer(timer);
    if (ThreadLocalRandom.current().nextBoolean()) {
        LOGGER.info("Setting priority to DEFAULT");
        builder.setPriority(FDBTransactionPriority.DEFAULT);
    }
    if (fdb.isTrackLastSeenVersion()) {
        LOGGER.info("Setting weak read semantics");
        builder.setWeakReadSemantics(new FDBDatabase.WeakReadSemantics(0L, Long.MAX_VALUE, true));
    }
    if (!safeBuild) {
        builder.setIndexingPolicy(OnlineIndexer.IndexingPolicy.newBuilder().setIfDisabled(OnlineIndexer.IndexingPolicy.DesiredAction.ERROR).setIfMismatchPrevious(OnlineIndexer.IndexingPolicy.DesiredAction.ERROR));
        builder.setUseSynchronizedSession(false);
    }
    try (OnlineIndexer indexBuilder = builder.build()) {
        CompletableFuture<Void> buildFuture;
        LOGGER.info(KeyValueLogMessage.of("building index", TestLogMessageKeys.INDEX, index, TestLogMessageKeys.AGENT, agents, LogMessageKeys.RECORDS_WHILE_BUILDING, recordsWhileBuilding == null ? 0 : recordsWhileBuilding.size(), TestLogMessageKeys.OVERLAP, overlap));
        if (agents == 1) {
            buildFuture = indexBuilder.buildIndexAsync(false);
        } else {
            if (overlap) {
                CompletableFuture<?>[] futures = new CompletableFuture<?>[agents];
                for (int i = 0; i < agents; i++) {
                    final int agent = i;
                    futures[i] = safeBuild ? indexBuilder.buildIndexAsync(false).exceptionally(exception -> {
                        // because the other one is already working on building the index.
                        if (exception.getCause() instanceof SynchronizedSessionLockedException) {
                            LOGGER.info(KeyValueLogMessage.of("Detected another worker processing this index", TestLogMessageKeys.INDEX, index, TestLogMessageKeys.AGENT, agent), exception);
                            return null;
                        } else {
                            throw new CompletionException(exception);
                        }
                    }) : indexBuilder.buildIndexAsync(false);
                }
                buildFuture = CompletableFuture.allOf(futures);
            } else {
                // Safe builds do not support building ranges yet.
                assumeFalse(safeBuild);
                buildFuture = indexBuilder.buildEndpoints().thenCompose(tupleRange -> {
                    if (tupleRange != null) {
                        long start = tupleRange.getLow().getLong(0);
                        long end = tupleRange.getHigh().getLong(0);
                        CompletableFuture<?>[] futures = new CompletableFuture<?>[agents];
                        for (int i = 0; i < agents; i++) {
                            long itrStart = start + (end - start) / agents * i;
                            long itrEnd = (i == agents - 1) ? end : start + (end - start) / agents * (i + 1);
                            LOGGER.info(KeyValueLogMessage.of("building range", TestLogMessageKeys.INDEX, index, TestLogMessageKeys.AGENT, i, TestLogMessageKeys.BEGIN, itrStart, TestLogMessageKeys.END, itrEnd));
                            futures[i] = indexBuilder.buildRange(Key.Evaluated.scalar(itrStart), Key.Evaluated.scalar(itrEnd));
                        }
                        return CompletableFuture.allOf(futures);
                    } else {
                        return AsyncUtil.DONE;
                    }
                });
            }
        }
        if (safeBuild) {
            buildFuture = MoreAsyncUtil.composeWhenComplete(buildFuture, (result, ex) -> indexBuilder.checkAnyOngoingOnlineIndexBuildsAsync().thenAccept(Assertions::assertFalse), fdb::mapAsyncToSyncException);
        }
        if (recordsWhileBuilding != null && recordsWhileBuilding.size() > 0) {
            int i = 0;
            while (i < recordsWhileBuilding.size()) {
                List<TestRecords1Proto.MySimpleRecord> thisBatch = recordsWhileBuilding.subList(i, Math.min(i + 30, recordsWhileBuilding.size()));
                fdb.run(context -> {
                    FDBRecordStore store = recordStore.asBuilder().setContext(context).build();
                    thisBatch.forEach(store::saveRecord);
                    return null;
                });
                i += 30;
            }
        }
        buildFuture.join();
        // if a record is added to a range that has already been built, it will not be counted, otherwise,
        // it will.
        long additionalScans = 0;
        if (recordsWhileBuilding != null && recordsWhileBuilding.size() > 0) {
            additionalScans += (long) recordsWhileBuilding.size();
        }
        try (FDBRecordContext context = openContext()) {
            IndexBuildState indexBuildState = context.asyncToSync(FDBStoreTimer.Waits.WAIT_GET_INDEX_BUILD_STATE, IndexBuildState.loadIndexBuildStateAsync(recordStore, index));
            IndexState indexState = indexBuildState.getIndexState();
            if (isAlwaysReadable) {
                assertEquals(IndexState.READABLE, indexState);
            } else {
                assertEquals(IndexState.WRITE_ONLY, indexState);
                assertEquals(indexBuilder.getTotalRecordsScanned(), indexBuildState.getRecordsScanned());
                // Count index is not defined so we cannot determine the records in total from it.
                assertNull(indexBuildState.getRecordsInTotal());
            }
        }
        assertThat(indexBuilder.getTotalRecordsScanned(), allOf(greaterThanOrEqualTo((long) records.size()), lessThanOrEqualTo((long) records.size() + additionalScans)));
    }
    KeyValueLogMessage msg = KeyValueLogMessage.build("building index - completed", TestLogMessageKeys.INDEX, index);
    msg.addKeysAndValues(timer.getKeysAndValues());
    LOGGER.info(msg.toString());
    LOGGER.info(KeyValueLogMessage.of("running post build checks", TestLogMessageKeys.INDEX, index));
    // uses the index in quereis since the index is readable.
    if (!isAlwaysReadable) {
        afterBuild.run();
    }
    LOGGER.info(KeyValueLogMessage.of("verifying range set emptiness", TestLogMessageKeys.INDEX, index));
    try (FDBRecordContext context = openContext()) {
        RangeSet rangeSet = new RangeSet(recordStore.indexRangeSubspace(metaData.getIndex(index.getName())));
        System.out.println("Range set for " + records.size() + " records:\n" + rangeSet.rep(context.ensureActive()).join());
        if (!isAlwaysReadable) {
            assertEquals(Collections.emptyList(), rangeSet.missingRanges(context.ensureActive()).asList().join());
        }
        context.commit();
    }
    LOGGER.info(KeyValueLogMessage.of("marking index readable", TestLogMessageKeys.INDEX, index));
    try (FDBRecordContext context = openContext()) {
        boolean updated = recordStore.markIndexReadable(index).join();
        if (isAlwaysReadable) {
            assertFalse(updated);
        } else {
            assertTrue(updated);
        }
        context.commit();
    }
    afterReadable.run();
    LOGGER.info(KeyValueLogMessage.of("ending rebuild test", TestLogMessageKeys.RECORDS, records.size(), LogMessageKeys.RECORDS_WHILE_BUILDING, recordsWhileBuilding == null ? 0 : recordsWhileBuilding.size(), TestLogMessageKeys.AGENTS, agents, TestLogMessageKeys.OVERLAP, overlap, TestLogMessageKeys.SPLIT_LONG_RECORDS, splitLongRecords, TestLogMessageKeys.INDEX, index));
}

Example 14 with RangeSet

use of com.apple.foundationdb.async.RangeSet in project fdb-record-layer by FoundationDB.

the class FDBRestrictedIndexQueryTest method queryAggregateWithWriteOnly.

/**
 * Verify that write-only aggregate indexes are not used by the planner.
 * Verify that re-allowing reads to those indexes allows the planner to use them.
 * TODO: Abstract out common code in queryWithWriteOnly, queryWithDisabled, queryAggregateWithWriteOnly and queryAggregateWithDisabled (https://github.com/FoundationDB/fdb-record-layer/issues/4)
 */
@Test
void queryAggregateWithWriteOnly() throws Exception {
    Index sumIndex = new Index("value3sum", field("num_value_3_indexed").ungrouped(), IndexTypes.SUM);
    Index maxIndex = new Index("value3max", field("num_value_3_indexed").ungrouped(), IndexTypes.MAX_EVER_TUPLE);
    RecordMetaDataHook hook = metaData -> {
        metaData.addIndex("MySimpleRecord", sumIndex);
        metaData.addIndex("MySimpleRecord", maxIndex);
    };
    try (FDBRecordContext context = openContext()) {
        openSimpleRecordStore(context, hook);
        recordStore.deleteAllRecords();
        recordStore.clearAndMarkIndexWriteOnly("value3sum").join();
        recordStore.clearAndMarkIndexWriteOnly("value3max").join();
        RangeSet rangeSet = new RangeSet(recordStore.indexRangeSubspace(sumIndex));
        rangeSet.insertRange(context.ensureActive(), Tuple.from(1000).pack(), Tuple.from(1500).pack(), true).get();
        saveSimpleRecord(1066, 42);
        saveSimpleRecord(1776, 100);
        assertThrowsAggregateFunctionNotSupported(() -> recordStore.evaluateAggregateFunction(Collections.singletonList("MySimpleRecord"), new IndexAggregateFunction(FunctionNames.SUM, sumIndex.getRootExpression(), sumIndex.getName()), TupleRange.ALL, IsolationLevel.SERIALIZABLE).get(), "value3sum.sum(Field { 'num_value_3_indexed' None} group 1)");
        assertThrowsAggregateFunctionNotSupported(() -> recordStore.evaluateAggregateFunction(Collections.singletonList("MySimpleRecord"), new IndexAggregateFunction(FunctionNames.MAX_EVER, maxIndex.getRootExpression(), maxIndex.getName()), TupleRange.ALL, IsolationLevel.SERIALIZABLE).get(), "value3max.max_ever(Field { 'num_value_3_indexed' None} group 1)");
        commit(context);
    }
    try (FDBRecordContext context = openContext()) {
        openSimpleRecordStore(context, hook);
        recordStore.uncheckedMarkIndexReadable("value3sum").join();
        recordStore.uncheckedMarkIndexReadable("value3max").join();
        // Unsafe: made readable without building indexes, which is why sum gets wrong answer.
        assertEquals(42L, recordStore.evaluateAggregateFunction(Collections.singletonList("MySimpleRecord"), new IndexAggregateFunction(FunctionNames.SUM, sumIndex.getRootExpression(), sumIndex.getName()), TupleRange.ALL, IsolationLevel.SERIALIZABLE).get().getLong(0));
        assertEquals(100L, recordStore.evaluateAggregateFunction(Collections.singletonList("MySimpleRecord"), new IndexAggregateFunction(FunctionNames.MAX_EVER, maxIndex.getRootExpression(), maxIndex.getName()), TupleRange.ALL, IsolationLevel.SERIALIZABLE).get().getLong(0));
        recordStore.rebuildAllIndexes().get();
        assertEquals(142L, recordStore.evaluateAggregateFunction(Collections.singletonList("MySimpleRecord"), new IndexAggregateFunction(FunctionNames.SUM, sumIndex.getRootExpression(), sumIndex.getName()), TupleRange.ALL, IsolationLevel.SERIALIZABLE).get().getLong(0));
        assertEquals(100L, recordStore.evaluateAggregateFunction(Collections.singletonList("MySimpleRecord"), new IndexAggregateFunction(FunctionNames.MAX_EVER, maxIndex.getRootExpression(), maxIndex.getName()), TupleRange.ALL, IsolationLevel.SERIALIZABLE).get().getLong(0));
    }
}

Example 15 with RangeSet

use of com.apple.foundationdb.async.RangeSet in project fdb-record-layer by FoundationDB.

the class FDBRecordStore method firstUnbuiltRange.

/**
 * Returns the first unbuilt range of an index that is currently being bulit.
 * If there is no range that is currently unbuilt, it will return an
 * empty {@link Optional}. If there is one, it will return an {@link Optional}
 * set to the first unbuilt range it finds.
 * @param index the index to check built state
 * @return a future that will contain the first unbuilt range if any
 */
@Nonnull
public CompletableFuture<Optional<Range>> firstUnbuiltRange(@Nonnull Index index) {
    if (!getRecordMetaData().hasIndex(index.getName())) {
        throw new MetaDataException("Index " + index.getName() + " does not exist in meta-data.");
    }
    Transaction tr = ensureContextActive();
    RangeSet rangeSet = new RangeSet(indexRangeSubspace(index));
    AsyncIterator<Range> missingRangeIterator = rangeSet.missingRanges(tr, null, null, 1).iterator();
    return missingRangeIterator.onHasNext().thenApply(hasFirst -> {
        if (hasFirst) {
            return Optional.of(missingRangeIterator.next());
        } else {
            return Optional.empty();
        }
    });
}