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FDBRecordStoreTest.java
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FDBRecordStoreTest.java
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/*
* FDBRecordStoreTest.java
*
* This source file is part of the FoundationDB open source project
*
* Copyright 2015-2018 Apple Inc. and the FoundationDB project authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.apple.foundationdb.record.provider.foundationdb;
import com.apple.foundationdb.FDBError;
import com.apple.foundationdb.FDBException;
import com.apple.foundationdb.Range;
import com.apple.foundationdb.record.EvaluationContext;
import com.apple.foundationdb.record.ExecuteProperties;
import com.apple.foundationdb.record.IndexEntry;
import com.apple.foundationdb.record.IndexScanType;
import com.apple.foundationdb.record.IsolationLevel;
import com.apple.foundationdb.record.RecordCoreException;
import com.apple.foundationdb.record.RecordCoreStorageException;
import com.apple.foundationdb.record.RecordCursor;
import com.apple.foundationdb.record.RecordCursorIterator;
import com.apple.foundationdb.record.RecordMetaData;
import com.apple.foundationdb.record.RecordMetaDataBuilder;
import com.apple.foundationdb.record.RecordMetaDataOptionsProto;
import com.apple.foundationdb.record.RecordMetaDataProto;
import com.apple.foundationdb.record.RecordMetaDataProvider;
import com.apple.foundationdb.record.ScanProperties;
import com.apple.foundationdb.record.TestNoUnionProto;
import com.apple.foundationdb.record.TestRecords1Proto;
import com.apple.foundationdb.record.TestRecords7Proto;
import com.apple.foundationdb.record.TestRecordsDuplicateUnionFields;
import com.apple.foundationdb.record.TestRecordsImportProto;
import com.apple.foundationdb.record.TestRecordsWithHeaderProto;
import com.apple.foundationdb.record.TupleRange;
import com.apple.foundationdb.record.metadata.Index;
import com.apple.foundationdb.record.metadata.IndexTypes;
import com.apple.foundationdb.record.metadata.expressions.KeyExpression;
import com.apple.foundationdb.record.provider.common.RecordSerializationException;
import com.apple.foundationdb.record.provider.common.RecordSerializer;
import com.apple.foundationdb.record.provider.foundationdb.keyspace.KeySpacePath;
import com.apple.foundationdb.record.query.RecordQuery;
import com.apple.foundationdb.record.query.expressions.Comparisons;
import com.apple.foundationdb.record.query.expressions.Query;
import com.apple.foundationdb.record.query.plan.ScanComparisons;
import com.apple.foundationdb.record.query.plan.plans.RecordQueryPlan;
import com.apple.foundationdb.tuple.ByteArrayUtil;
import com.apple.foundationdb.tuple.Tuple;
import com.apple.test.Tags;
import com.google.common.base.Charsets;
import com.google.common.base.Strings;
import com.google.protobuf.ByteString;
import com.google.protobuf.DescriptorProtos;
import com.google.protobuf.Descriptors;
import com.google.protobuf.DynamicMessage;
import com.google.protobuf.Message;
import org.junit.jupiter.api.Tag;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.MethodSource;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import java.nio.ByteBuffer;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.function.Consumer;
import java.util.stream.Collectors;
import static com.apple.foundationdb.record.metadata.Key.Expressions.concat;
import static com.apple.foundationdb.record.metadata.Key.Expressions.concatenateFields;
import static com.apple.foundationdb.record.metadata.Key.Expressions.field;
import static com.apple.foundationdb.record.provider.foundationdb.FDBStoreTimer.Events.DELETE_INDEX_ENTRY;
import static com.apple.foundationdb.record.provider.foundationdb.FDBStoreTimer.Events.SAVE_INDEX_ENTRY;
import static com.apple.foundationdb.record.query.plan.match.PlanMatchers.bounds;
import static com.apple.foundationdb.record.query.plan.match.PlanMatchers.hasTupleString;
import static com.apple.foundationdb.record.query.plan.match.PlanMatchers.indexName;
import static com.apple.foundationdb.record.query.plan.match.PlanMatchers.indexScan;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.allOf;
import static org.hamcrest.Matchers.containsString;
import static org.hamcrest.Matchers.equalTo;
import static org.hamcrest.Matchers.greaterThan;
import static org.hamcrest.Matchers.hasSize;
import static org.hamcrest.Matchers.instanceOf;
import static org.hamcrest.Matchers.lessThan;
import static org.hamcrest.core.Is.is;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertSame;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.junit.jupiter.api.Assertions.fail;
import static org.junit.jupiter.api.Assumptions.assumeTrue;
/**
* Basic tests for {@link FDBRecordStore}.
*/
@Tag(Tags.RequiresFDB)
public class FDBRecordStoreTest extends FDBRecordStoreTestBase {
/**
* If there are two primary keys that overlap in the just the right way, then one can have the representation
* of one record's primary key be a strict prefix of the other record's. With older versions of the Record Layer,
* this could lead to problems where attempting to load the record with the shorter key would also read data for
* the record with the longer key. See <a href="https://github.com/FoundationDB/fdb-record-layer/issues/782">Issue #782</a>.
*
* <p>
* This test is parameterized by format version because the fix involves being more particular about the range that
* is scanned. In particular, the scan range is now only over those keys which are strict prefixes of the primary
* key. This is fine as long as there aren't any data stored at that key. Prior to {@link FDBRecordStore#SAVE_UNSPLIT_WITH_SUFFIX_FORMAT_VERSION},
* there could be data in that key was not true if {@code splitLongRecords} was {@code false}. Parameterizing here
* tests those older configurations.
* </p>
*
* @param formatVersion format version to use when running the test
* @param splitLongRecords whether the test should split long records or not
*/
@ParameterizedTest(name = "prefixPrimaryKeysWithNullByteAfterPrefix [formatVersion = {0}, splitLongRecords = {1}]")
@MethodSource("formatVersionAndSplitArgs")
public void prefixPrimaryKeysWithNullByteAfterPrefix(int formatVersion, boolean splitLongRecords) throws Exception {
final RecordMetaDataHook hook = metaData -> {
metaData.setSplitLongRecords(splitLongRecords);
metaData.getRecordType("MySimpleRecord").setPrimaryKey(field("str_value_indexed"));
};
final FDBRecordStore.Builder storeBuilder;
// The primary key for record1 is a prefix of the primary key for record2, and the first byte in record2's primary
// key is a null byte. Because FDB's Tuple layer null terminates its representation of strings, this means that
// the keys used to store record1 forms a prefix of the keys storing record2. However, the null byte should be
// escaped in such a way that it is possible to read only the keys for record1. This is necessary to properly load
// the record by primary key.
final TestRecords1Proto.MySimpleRecord record1 = TestRecords1Proto.MySimpleRecord.newBuilder()
.setStrValueIndexed("foo")
.setNumValue3Indexed(1066)
.build();
final TestRecords1Proto.MySimpleRecord record2 = TestRecords1Proto.MySimpleRecord.newBuilder()
.setStrValueIndexed("foo\0bar")
.setNumValue3Indexed(1415)
.build();
// Save the two records
try (FDBRecordContext context = openContext()) {
uncheckedOpenSimpleRecordStore(context, hook);
storeBuilder = recordStore.asBuilder().setFormatVersion(formatVersion);
final FDBRecordStore store = storeBuilder.create();
store.saveRecord(record1);
store.saveRecord(record2);
commit(context);
}
// Load by scanning records
try (FDBRecordContext context = openContext()) {
final FDBRecordStore store = storeBuilder.setContext(context).open();
final List<FDBStoredRecord<Message>> records = store.scanRecords(null, ScanProperties.FORWARD_SCAN).asList().get();
assertThat(records, hasSize(2));
assertEquals(record1, records.get(0).getRecord());
assertEquals(record2, records.get(1).getRecord());
}
// Load by primary key
try (FDBRecordContext context = openContext()) {
final FDBRecordStore store = storeBuilder.setContext(context).open();
FDBStoredRecord<Message> storedRecord1 = store.loadRecord(Tuple.from(record1.getStrValueIndexed()));
assertNotNull(storedRecord1, "record1 was missing");
assertEquals(record1, storedRecord1.getRecord());
FDBStoredRecord<Message> storedRecord2 = store.loadRecord(Tuple.from(record2.getStrValueIndexed()));
assertNotNull(storedRecord2, "record2 was missing");
assertEquals(record2, storedRecord2.getRecord());
}
// Load by query
try (FDBRecordContext context = openContext()) {
final FDBRecordStore store = storeBuilder.setContext(context).open();
final RecordQuery query = RecordQuery.newBuilder()
.setRecordType("MySimpleRecord")
.setFilter(Query.field("num_value_3_indexed").equalsParameter("num"))
.build();
final RecordQueryPlan plan = store.planQuery(query);
assertThat(plan, indexScan(allOf(indexName("MySimpleRecord$num_value_3_indexed"), bounds(hasTupleString("[EQUALS $num]")))));
// Record 1
List<FDBQueriedRecord<Message>> record1List = plan.execute(store, EvaluationContext.forBinding("num", 1066)).asList().get();
assertThat(record1List, hasSize(1));
FDBQueriedRecord<Message> queriedRecord1 = record1List.get(0);
assertEquals(record1, queriedRecord1.getRecord());
// Record 2
List<FDBQueriedRecord<Message>> record2List = plan.execute(store, EvaluationContext.forBinding("num", 1415)).asList().get();
assertThat(record2List, hasSize(1));
FDBQueriedRecord<Message> queriedRecord2 = record2List.get(0);
assertEquals(record2, queriedRecord2.getRecord());
}
}
@Test
public void scanContinuations() throws Exception {
try (FDBRecordContext context = openContext()) {
openSimpleRecordStore(context);
TestRecords1Proto.MySimpleRecord.Builder recBuilder = TestRecords1Proto.MySimpleRecord.newBuilder();
for (int i = 0; i < 100; i++) {
recBuilder.setRecNo(i);
recordStore.saveRecord(recBuilder.build());
}
commit(context);
}
try (FDBRecordContext context = openContext()) {
openSimpleRecordStore(context);
for (Boolean builtInLimit : new Boolean[] { Boolean.TRUE, Boolean.FALSE }) {
for (int limit = 1; limit <= 5; limit++) {
int i = 0;
byte[] continuation = null;
do {
try (RecordCursorIterator<FDBStoredRecord<Message>> cursor = scanContinuationsCursor(continuation, limit, false, builtInLimit).asIterator()) {
while (cursor.hasNext()) {
assertEquals(i, cursor.next().getPrimaryKey().getLong(0));
i++;
}
continuation = cursor.getContinuation();
}
} while (continuation != null);
assertEquals(100, i);
do {
try (RecordCursorIterator<FDBStoredRecord<Message>> cursor = scanContinuationsCursor(continuation, limit, true, builtInLimit).asIterator()) {
while (cursor.hasNext()) {
i--;
assertEquals(i, cursor.next().getPrimaryKey().getLong(0));
}
continuation = cursor.getContinuation();
}
} while (continuation != null);
assertEquals(0, i);
}
}
commit(context);
}
}
private RecordCursor<FDBStoredRecord<Message>> scanContinuationsCursor(byte[] continuation, int limit, boolean reverse, boolean builtInLimit) {
if (builtInLimit) {
return recordStore.scanRecords(continuation, new ScanProperties(ExecuteProperties.newBuilder()
.setReturnedRowLimit(limit)
.setIsolationLevel(IsolationLevel.SERIALIZABLE)
.build(), reverse));
} else {
// Using a separate limit cursor will mean calling getContinuation on the inner cursor in the middle of its stream.
return recordStore.scanRecords(continuation, new ScanProperties(ExecuteProperties.newBuilder()
.setReturnedRowLimit(Integer.MAX_VALUE)
.setIsolationLevel(IsolationLevel.SERIALIZABLE)
.build(), reverse)).limitRowsTo(limit);
}
}
@Test
public void testOverlappingPrimaryKey() {
try (FDBRecordContext context = openContext()) {
RecordMetaDataBuilder builder = RecordMetaData.newBuilder().setRecords(TestRecordsWithHeaderProto.getDescriptor());
builder.getRecordType("MyRecord")
.setPrimaryKey(field("header").nest(concatenateFields("path", "rec_no")));
builder.addIndex("MyRecord", "MyRecord$path_str", concat(field("header").nest("path"),
field("str_value")));
RecordMetaData metaData = builder.getRecordMetaData();
createOrOpenRecordStore(context, metaData);
TestRecordsWithHeaderProto.MyRecord.Builder recBuilder = TestRecordsWithHeaderProto.MyRecord.newBuilder();
TestRecordsWithHeaderProto.HeaderRecord.Builder headerBuilder = recBuilder.getHeaderBuilder();
headerBuilder.setPath("aaa");
headerBuilder.setRecNo(1);
recBuilder.setStrValue("hello");
recordStore.saveRecord(recBuilder.build());
headerBuilder.setPath("aaa");
headerBuilder.setRecNo(2);
recBuilder.setStrValue("goodbye");
recordStore.saveRecord(recBuilder.build());
headerBuilder.setPath("zzz");
headerBuilder.setRecNo(3);
recBuilder.setStrValue("end");
recordStore.saveRecord(recBuilder.build());
List<List<Object>> rows = new ArrayList<>();
Index index = metaData.getIndex("MyRecord$path_str");
ScanComparisons comparisons = ScanComparisons.from(new Comparisons.SimpleComparison(Comparisons.Type.EQUALS, "aaa"));
TupleRange range = comparisons.toTupleRange();
try (RecordCursor<IndexEntry> cursor = recordStore.scanIndex(index, IndexScanType.BY_VALUE, range,
null, ScanProperties.FORWARD_SCAN)) {
cursor.forEach(row -> rows.add(row.getKey().getItems())).join();
}
assertEquals(Arrays.asList(Arrays.asList("aaa", "goodbye", 2L),
Arrays.asList("aaa", "hello", 1L)),
rows);
}
}
@Test
public void testIndexKeyTooLarge() {
assertThrows(FDBExceptions.FDBStoreKeySizeException.class, () -> {
try (FDBRecordContext context = openContext()) {
openSimpleRecordStore(context);
TestRecords1Proto.MySimpleRecord.Builder recBuilder = TestRecords1Proto.MySimpleRecord.newBuilder();
recBuilder.setRecNo(1);
recBuilder.setStrValueIndexed(Strings.repeat("x", 10000));
recordStore.saveRecord(recBuilder.build());
fail("exception should have been thrown before commit");
commit(context);
}
});
}
@Test
public void testIndexValueTooLarge() {
assertThrows(FDBExceptions.FDBStoreValueSizeException.class, () -> {
try (FDBRecordContext context = openContext()) {
openSimpleRecordStore(context, md -> {
md.setSplitLongRecords(true);
md.removeIndex("MySimpleRecord$str_value_indexed");
md.addIndex("MySimpleRecord", new Index(
"valueIndex",
field("num_value_2"),
field("str_value_indexed"),
IndexTypes.VALUE,
Collections.emptyMap()));
});
TestRecords1Proto.MySimpleRecord.Builder recBuilder = TestRecords1Proto.MySimpleRecord.newBuilder();
recBuilder.setRecNo(1);
recBuilder.setStrValueIndexed(Strings.repeat("x", 100000));
recordStore.saveRecord(recBuilder.build());
fail("exception should have been thrown before commit");
commit(context);
}
});
}
@Test
public void testStoredRecordSizeIsPlausible() {
try (FDBRecordContext context = openContext()) {
openSimpleRecordStore(context, TEST_SPLIT_HOOK);
TestRecords1Proto.MySimpleRecord.Builder recBuilder = TestRecords1Proto.MySimpleRecord.newBuilder();
recBuilder.setRecNo(1);
recBuilder.setStrValueIndexed(Strings.repeat("x", 10));
FDBStoredRecord<Message> rec1 = recordStore.saveRecord(recBuilder.build());
assertEquals(1, rec1.getKeyCount(), "small record should only need one key-value pair");
assertThat("small record should only need few key bytes", rec1.getKeySize(), allOf(greaterThan(5), lessThan(100)));
assertThat("small record should only need few value bytes", rec1.getValueSize(), allOf(greaterThan(10), lessThan(100)));
recBuilder.setRecNo(2);
recBuilder.setStrValueIndexed(Strings.repeat("x", 100000));
FDBStoredRecord<Message> rec2 = recordStore.saveRecord(recBuilder.build());
assertThat("large record should only need several key-value pairs", rec2.getKeyCount(), allOf(greaterThan(1), lessThan(10)));
assertThat("large record should only need few key bytes", rec2.getKeySize(), allOf(greaterThan(10), lessThan(100)));
assertThat("large record should only need many value bytes", rec2.getValueSize(), allOf(greaterThan(100000), lessThan(101000)));
FDBStoredRecord<Message> rec1x = recordStore.loadRecord(rec1.getPrimaryKey());
assertEquals(rec1.getKeyCount(), rec1x.getKeyCount(), "small record loaded key count should match");
assertEquals(rec1.getKeySize(), rec1x.getKeySize(), "small record loaded key size should match");
assertEquals(rec1.getValueSize(), rec1x.getValueSize(), "small record loaded value size should match");
FDBStoredRecord<Message> rec2x = recordStore.loadRecord(rec2.getPrimaryKey());
assertEquals(rec2.getKeyCount(), rec2x.getKeyCount(), "large record loaded key count should match");
assertEquals(rec2.getKeySize(), rec2x.getKeySize(), "large record loaded key size should match");
assertEquals(rec2.getValueSize(), rec2x.getValueSize(), "large record loaded value size should match");
commit(context);
}
}
@Test
public void testStoredRecordSizeIsConsistent() {
final RecordMetaDataHook hook = md -> md.setSplitLongRecords(true);
Set<FDBStoredRecord<Message>> saved;
try (FDBRecordContext context = openContext()) {
List<FDBStoredRecord<Message>> saving = new ArrayList<>();
openSimpleRecordStore(context, hook);
for (int i = 0; i < 10; i++) {
TestRecords1Proto.MySimpleRecord.Builder recBuilder = TestRecords1Proto.MySimpleRecord.newBuilder();
recBuilder.setRecNo(i + 1);
recBuilder.setStrValueIndexed(Strings.repeat("z", i * 10));
saving.add(recordStore.saveRecord(recBuilder.build()));
}
commit(context);
final byte[] commitVersionstamp = context.getVersionStamp();
assertNotNull(commitVersionstamp);
saved = saving.stream().map(rec -> rec.withCommittedVersion(context.getVersionStamp())).collect(Collectors.toSet());
}
Set<FDBStoredRecord<Message>> scanned = new HashSet<>();
try (FDBRecordContext context = openContext()) {
openSimpleRecordStore(context, hook);
recordStore.scanRecords(null, ScanProperties.FORWARD_SCAN).forEach(scanned::add).join();
commit(context);
}
Set<FDBStoredRecord<Message>> indexed = new HashSet<>();
try (FDBRecordContext context = openContext()) {
openSimpleRecordStore(context, hook);
recordStore.scanIndexRecords("MySimpleRecord$str_value_indexed").forEach(i -> indexed.add(i.getStoredRecord())).join();
commit(context);
}
assertEquals(saved, scanned);
assertEquals(saved, indexed);
}
@Test
public void testStoreTimersIncrement() throws Exception {
final int recordCount = 10;
final int recordKeyCount = 2 * recordCount;
final int minRecordKeyBytes = 8;
final int minTotalRecordKeyBytes = minRecordKeyBytes * recordKeyCount;
final int minRecordValueBytes = 15;
final int minTotalRecordValueBytes = recordCount * minRecordValueBytes;
try (FDBRecordContext context = openContext()) {
openSimpleRecordStore(context);
recordStore.deleteAllRecords();
for (int i = 0; i < recordCount; i++) {
TestRecords1Proto.MySimpleRecord.Builder recBuilder = TestRecords1Proto.MySimpleRecord.newBuilder();
recBuilder.setRecNo(i + 1);
recordStore.saveRecord(recBuilder.build());
}
assertThat(timer.getCount(FDBStoreTimer.Events.SAVE_RECORD), equalTo(recordCount));
assertThat(timer.getCount(FDBStoreTimer.Events.SAVE_INDEX_ENTRY), equalTo(recordCount * 3));
assertThat(timer.getCount(FDBStoreTimer.Counts.SAVE_RECORD_KEY), equalTo(recordKeyCount));
assertThat(timer.getCount(FDBStoreTimer.Counts.SAVE_RECORD_KEY_BYTES), greaterThan(minTotalRecordKeyBytes));
assertThat(timer.getCount(FDBStoreTimer.Counts.SAVE_RECORD_VALUE_BYTES), greaterThan(minTotalRecordValueBytes));
assertThat(timer.getCount(FDBStoreTimer.Counts.SAVE_INDEX_KEY), equalTo(recordCount * 3));
assertThat(timer.getCount(FDBStoreTimer.Counts.SAVE_INDEX_KEY_BYTES), greaterThan(minTotalRecordKeyBytes * 3));
assertThat(timer.getCount(FDBStoreTimer.Counts.SAVE_INDEX_VALUE_BYTES), equalTo(0));
assertThat(timer.getCount(RecordSerializer.Events.SERIALIZE_PROTOBUF_RECORD), equalTo(recordCount));
commit(context);
}
try (FDBRecordContext context = openContext()) {
openSimpleRecordStore(context);
recordStore.scanRecords(null, ScanProperties.FORWARD_SCAN).getCount().join();
assertThat(timer.getCount(FDBStoreTimer.Events.SCAN_RECORDS), equalTo( recordCount + 1));
assertThat(timer.getCount(FDBStoreTimer.Counts.LOAD_RECORD_KEY), equalTo(recordKeyCount));
assertThat(timer.getCount(FDBStoreTimer.Counts.LOAD_RECORD_KEY_BYTES), greaterThan(minTotalRecordKeyBytes));
assertThat(timer.getCount(FDBStoreTimer.Counts.LOAD_RECORD_VALUE_BYTES), greaterThan(minTotalRecordValueBytes));
assertThat(timer.getCount(RecordSerializer.Events.DESERIALIZE_PROTOBUF_RECORD), equalTo(recordCount));
commit(context);
}
try (FDBRecordContext context = openContext()) {
openSimpleRecordStore(context);
recordStore.scanIndexRecords("MySimpleRecord$str_value_indexed").getCount().join();
assertThat(timer.getCount(FDBStoreTimer.Events.SCAN_INDEX_KEYS), equalTo(recordCount + 1));
assertThat(timer.getCount(FDBStoreTimer.Counts.LOAD_RECORD_KEY), equalTo(recordKeyCount));
assertThat(timer.getCount(FDBStoreTimer.Counts.LOAD_RECORD_KEY_BYTES), greaterThan(minTotalRecordKeyBytes));
assertThat(timer.getCount(FDBStoreTimer.Counts.LOAD_RECORD_VALUE_BYTES), greaterThan(minTotalRecordValueBytes));
assertThat(timer.getCount(FDBStoreTimer.Counts.LOAD_INDEX_KEY), equalTo(recordCount));
assertThat(timer.getCount(FDBStoreTimer.Counts.LOAD_INDEX_KEY_BYTES), greaterThan(minTotalRecordKeyBytes));
assertThat(timer.getCount(FDBStoreTimer.Counts.LOAD_INDEX_VALUE_BYTES), equalTo(0));
commit(context);
}
try (FDBRecordContext context = openContext()) {
openSimpleRecordStore(context);
for (int i = 0; i < recordCount; i++) {
TestRecords1Proto.MySimpleRecord.Builder recBuilder = TestRecords1Proto.MySimpleRecord.newBuilder();
recBuilder.setRecNo(i + 1);
recBuilder.setStrValueIndexed("abcxyz");
recordStore.saveRecord(recBuilder.build());
}
assertThat(timer.getCount(FDBStoreTimer.Counts.REPLACE_RECORD_VALUE_BYTES), greaterThan(minTotalRecordValueBytes));
commit(context);
}
try (FDBRecordContext context = openContext()) {
openSimpleRecordStore(context);
recordStore.deleteAllRecords();
for (int i = 0; i < recordCount; i++) {
TestRecords1Proto.MySimpleRecord.Builder recBuilder = TestRecords1Proto.MySimpleRecord.newBuilder();
recBuilder.setRecNo(i + 1);
recordStore.saveRecord(recBuilder.build());
}
for (int i = 0; i < recordCount; i++) {
recordStore.deleteRecord(Tuple.from(i + 1));
}
assertThat(timer.getCount(FDBStoreTimer.Events.SAVE_RECORD), equalTo(recordCount));
assertEquals(timer.getCount(FDBStoreTimer.Events.SAVE_RECORD), timer.getCount(FDBStoreTimer.Events.DELETE_RECORD));
assertEquals(timer.getCount(FDBStoreTimer.Events.SAVE_INDEX_ENTRY), timer.getCount(FDBStoreTimer.Events.DELETE_INDEX_ENTRY));
assertEquals(timer.getCount(FDBStoreTimer.Counts.SAVE_RECORD_KEY), timer.getCount(FDBStoreTimer.Counts.DELETE_RECORD_KEY));
assertEquals(timer.getCount(FDBStoreTimer.Counts.SAVE_RECORD_KEY_BYTES), timer.getCount(FDBStoreTimer.Counts.DELETE_RECORD_KEY_BYTES));
assertEquals(timer.getCount(FDBStoreTimer.Counts.SAVE_RECORD_VALUE_BYTES), timer.getCount(FDBStoreTimer.Counts.DELETE_RECORD_VALUE_BYTES));
assertEquals(timer.getCount(FDBStoreTimer.Counts.SAVE_INDEX_KEY), timer.getCount(FDBStoreTimer.Counts.DELETE_INDEX_KEY));
assertEquals(timer.getCount(FDBStoreTimer.Counts.SAVE_INDEX_KEY_BYTES), timer.getCount(FDBStoreTimer.Counts.DELETE_INDEX_KEY_BYTES));
commit(context);
}
}
@Test
public void updateUnchanged() throws Exception {
TestRecords1Proto.MySimpleRecord.Builder recBuilder = TestRecords1Proto.MySimpleRecord.newBuilder();
recBuilder.setRecNo(1);
try (FDBRecordContext context = openContext()) {
openSimpleRecordStore(context);
recBuilder.setStrValueIndexed("abc");
recordStore.saveRecord(recBuilder.build());
commit(context);
}
try (FDBRecordContext context = openContext()) {
openSimpleRecordStore(context);
recBuilder.setStrValueIndexed("xyz");
recordStore.saveRecord(recBuilder.build());
assertEquals(2, timer.getCount(DELETE_INDEX_ENTRY) + timer.getCount(SAVE_INDEX_ENTRY), "should update one index");
commit(context);
}
try (FDBRecordContext context = openContext()) {
openSimpleRecordStore(context);
recordStore.saveRecord(recBuilder.build());
assertEquals(0, timer.getCount(DELETE_INDEX_ENTRY) + timer.getCount(SAVE_INDEX_ENTRY), "should not update any index");
commit(context);
}
}
@Test
public void typeChange() throws Exception {
try (FDBRecordContext context = openContext()) {
createOrOpenRecordStore(context, RecordMetaData.build(TestRecords7Proto.getDescriptor()));
TestRecords7Proto.MyRecord1.Builder rec1Builder = TestRecords7Proto.MyRecord1.newBuilder();
rec1Builder.setRecNo(1);
rec1Builder.setStrValue("one");
recordStore.saveRecord(rec1Builder.build());
assertEquals(1L, recordStore.scanIndexRecords("MyRecord1$str_value").getCount().get().longValue(), "should have one record in index");
TestRecords7Proto.MyRecord2.Builder rec2Builder = TestRecords7Proto.MyRecord2.newBuilder();
rec2Builder.setRecNo(1); // Same primary key
rec2Builder.setStrValue("two");
recordStore.saveRecord(rec2Builder.build());
FDBStoredRecord<Message> rec2 = recordStore.loadRecord(Tuple.from(1L));
assertNotNull(rec2);
TestRecords7Proto.MyRecord2.Builder myrec = TestRecords7Proto.MyRecord2.newBuilder();
myrec.mergeFrom(rec2.getRecord());
assertEquals("two", myrec.getStrValue(), "should load second record");
assertEquals(0L, recordStore.scanIndexRecords("MyRecord1$str_value").getCount().get().longValue(), "should have no records in index");
}
}
@Test
public void testCommittedVersion() throws Exception {
try (FDBRecordContext context = openContext()) {
final long readVersion = context.getReadVersion();
openSimpleRecordStore(context);
TestRecords1Proto.MySimpleRecord.Builder recBuilder = TestRecords1Proto.MySimpleRecord.newBuilder();
recBuilder.setRecNo(1);
recordStore.saveRecord(recBuilder.build());
commit(context);
assertThat(context.getCommittedVersion(), greaterThan(readVersion));
}
}
@Test
public void testCommittedVersionReadOnly() {
try (FDBRecordContext context = openContext()) {
commit(context);
assertThat(context.getCommittedVersion(), equalTo(-1L));
}
}
@Test
public void testVersionStamp() throws Exception {
try (FDBRecordContext context = openContext()) {
openSimpleRecordStore(context);
TestRecords1Proto.MySimpleRecord.Builder recBuilder = TestRecords1Proto.MySimpleRecord.newBuilder();
recBuilder.setRecNo(1);
recordStore.saveRecord(recBuilder.build());
commit(context);
assertNotNull(context.getVersionStamp());
long committedVersion = context.getCommittedVersion();
assertThat(committedVersion, greaterThan(0L));
assertEquals(committedVersion, ByteBuffer.wrap(context.getVersionStamp()).getLong());
// TODO: When have version stamp operations in tuples, etc. check them.
}
}
@Test
public void testVersionStampReadOnly() {
try (FDBRecordContext context = openContext()) {
commit(context);
assertNull(context.getVersionStamp());
}
}
@Test
public void testCancelWhileCommitVersionStamp() throws Exception {
FDBRecordContext context = openContext();
openSimpleRecordStore(context);
recordStore.addConflictForSubspace(true); // so that we are not a read-only transaction
CompletableFuture<Void> commitFuture = context.commitAsync();
context.close();
try {
commitFuture.get();
} catch (ExecutionException e) {
// Ignore. Only waiting to make sure it's completed.
}
// Depending on who wins the race, we might hit either assert. However, the behavior
// should match the result of getCommittedVersion.
boolean shouldFail;
long committedVersion;
try {
committedVersion = context.getCommittedVersion();
assertThat(committedVersion, greaterThan(0L));
shouldFail = false;
} catch (RecordCoreStorageException e) {
committedVersion = -1L;
shouldFail = true;
}
try {
byte[] versionStamp = context.getVersionStamp();
assertThat(shouldFail, is(false));
assertNotNull(versionStamp);
assertEquals(committedVersion, ByteBuffer.wrap(versionStamp).getLong());
} catch (RecordCoreStorageException e) {
assertEquals("Transaction has not been committed yet.", e.getMessage());
assertThat(shouldFail, is(true));
}
}
@Test
public void testSubspaceWriteConflict() throws Exception {
// Double check that it works to have two contexts on same space without conflict.
FDBRecordContext context1 = openContext();
uncheckedOpenSimpleRecordStore(context1);
try (FDBRecordContext context2 = openContext()) {
uncheckedOpenSimpleRecordStore(context2);
commit(context2);
}
commit(context1);
// Again with conflict.
FDBRecordContext context3 = openContext();
uncheckedOpenSimpleRecordStore(context3);
FDBRecordStore recordStore3 = recordStore;
recordStore3.loadRecord(Tuple.from(0L)); // Need to read something as write-only transactions never conflict
recordStore3.addConflictForSubspace(true);
try (FDBRecordContext context4 = openContext()) {
uncheckedOpenSimpleRecordStore(context4);
recordStore.addConflictForSubspace(true);
commit(context4);
}
try {
commit(context3);
fail("should have gotten failure");
} catch (FDBExceptions.FDBStoreRetriableException ex) {
assertTrue(ex.getCause() instanceof FDBException);
assertThat(((FDBException)ex.getCause()).getCode(), equalTo(FDBError.NOT_COMMITTED.code()));
}
}
@Test
public void testSubspaceReadWriteConflict() throws Exception {
// create the store, so it won't conflict on that action
try (FDBRecordContext context = openContext()) {
openSimpleRecordStore(context);
context.commit();
}
// Double check that it works to have two contexts on same space writing different records without conflict.
try (FDBRecordContext context1 = openContext()) {
openSimpleRecordStore(context1);
FDBRecordStore recordStore1 = recordStore;
recordStore1.saveRecord(TestRecords1Proto.MySimpleRecord.newBuilder().setRecNo(1).build());
try (FDBRecordContext context2 = openContext()) {
openSimpleRecordStore(context2);
recordStore.saveRecord(TestRecords1Proto.MySimpleRecord.newBuilder().setRecNo(2).build());
commit(context2);
}
commit(context1);
}
// Again with requested conflict.
try (FDBRecordContext context3 = openContext()) {
openSimpleRecordStore(context3);
FDBRecordStore recordStore3 = recordStore;
recordStore3.addConflictForSubspace(false);
recordStore3.saveRecord(TestRecords1Proto.MySimpleRecord.newBuilder().setRecNo(3).build());
try (FDBRecordContext context4 = openContext()) {
uncheckedOpenSimpleRecordStore(context4);
recordStore.addConflictForSubspace(false);
recordStore.saveRecord(TestRecords1Proto.MySimpleRecord.newBuilder().setRecNo(4).build());
commit(context4);
}
assertThrows(FDBExceptions.FDBStoreTransactionConflictException.class, () -> commit(context3));
}
}
/**
* Test that the user field can be set.
*/
@Test
public void testAccessUserField() throws Exception {
try (FDBRecordContext context = openContext()) {
openSimpleRecordStore(context);
assertNull(recordStore.getHeaderUserField("foo"));
recordStore.setHeaderUserField("foo", "bar".getBytes(Charsets.UTF_8));
commit(context);
}
try (FDBRecordContext context = openContext()) {
openSimpleRecordStore(context);
assertEquals("bar", recordStore.getHeaderUserField("foo").toStringUtf8());
RecordMetaDataProto.DataStoreInfo storeHeader = recordStore.getRecordStoreState().getStoreHeader();
assertEquals(1, storeHeader.getUserFieldCount());
// Validate that one can overwrite an existing value
recordStore.setHeaderUserField("foo", "µs".getBytes(Charsets.UTF_8));
storeHeader = recordStore.getRecordStoreState().getStoreHeader();
assertEquals(1, storeHeader.getUserFieldCount());
// Validate that one can add a new value
recordStore.setHeaderUserField("baz", field("baz").toKeyExpression().toByteString());
storeHeader = recordStore.getRecordStoreState().getStoreHeader();
assertEquals(2, storeHeader.getUserFieldCount());
commit(context);
}
try (FDBRecordContext context = openContext()) {
openSimpleRecordStore(context);
// Read back the stored values
assertEquals("µs", recordStore.getHeaderUserField("foo").toStringUtf8());
ByteString bazValue = recordStore.getHeaderUserField("baz");
assertNotNull(bazValue);
KeyExpression expr = KeyExpression.fromProto(RecordMetaDataProto.KeyExpression.parseFrom(bazValue));
assertEquals(field("baz"), expr);
// Add in a new field
recordStore.setHeaderUserField("qwop", Tuple.from(1066L).pack());
// Delete the middle field
recordStore.clearHeaderUserField("baz");
assertNull(recordStore.getHeaderUserField("baz"));
commit(context);
}
try (FDBRecordContext context = openContext()) {
openSimpleRecordStore(context);
assertEquals("µs", recordStore.getHeaderUserField("foo").toStringUtf8());
assertNull(recordStore.getHeaderUserField("baz"));
assertEquals(Tuple.from(1066L), Tuple.fromBytes(recordStore.getHeaderUserField("qwop").toByteArray()));
RecordMetaDataProto.DataStoreInfo storeHeader = recordStore.getRecordStoreState().getStoreHeader();
assertEquals(2, storeHeader.getUserFieldCount());
commit(context);
}
}
/**
* Test that when the store header user fields are updated, all other concurrent operations fail with a conflict.
*/
@Test
public void testConflictIfUpdateUserHeaderField() throws Exception {
final String userField = "my_important_user_header_field";
try (FDBRecordContext context = openContext()) {
openSimpleRecordStore(context);
recordStore.setHeaderUserField(userField, ByteArrayUtil.encodeInt(1066L));
commit(context);
}
try (FDBRecordContext context1 = openContext(); FDBRecordContext context2 = openContext()) {
openSimpleRecordStore(context1);
FDBRecordStore recordStore1 = recordStore;
openSimpleRecordStore(context2);
FDBRecordStore recordStore2 = recordStore;
recordStore1.setHeaderUserField(userField, ByteArrayUtil.encodeInt(1459L));
commit(context1);
// Need to save a record to make the conflict resolver actually check for conflicts
recordStore2.saveRecord(TestRecords1Proto.MySimpleRecord.newBuilder()
.setRecNo(1776L)
.build());
assertThrows(FDBExceptions.FDBStoreTransactionConflictException.class, context2::commit);
}
}
@Test
public void testUserVersionMonotonic() {
final FDBRecordStoreBase.UserVersionChecker userVersion1 = (oldUserVersion, oldMetaDataVersion, metaData) -> CompletableFuture.completedFuture(101);
final FDBRecordStoreBase.UserVersionChecker userVersion2 = (oldUserVersion, oldMetaDataVersion, metaData) -> CompletableFuture.completedFuture(102);
final RecordMetaDataBuilder builder = RecordMetaData.newBuilder().setRecords(TestRecords1Proto.getDescriptor());
try (FDBRecordContext context = openContext()) {
recordStore = FDBRecordStore.newBuilder()
.setContext(context).setKeySpacePath(path).setMetaDataProvider(builder).setUserVersionChecker(userVersion1)
.create();
assertEquals(101, recordStore.getUserVersion());
context.commit();
}
try (FDBRecordContext context = openContext()) {
recordStore = FDBRecordStore.newBuilder()
.setContext(context).setKeySpacePath(path).setMetaDataProvider(builder).setUserVersionChecker(userVersion2)
.open();
assertEquals(102, recordStore.getUserVersion());
context.commit();
}
try (FDBRecordContext context = openContext()) {
FDBRecordStore.Builder storeBuilder = FDBRecordStore.newBuilder()
.setContext(context).setKeySpacePath(path).setMetaDataProvider(builder).setUserVersionChecker(userVersion1);
RecordCoreException ex = assertThrows(RecordCoreException.class, storeBuilder::open);
assertThat(ex.getMessage(), containsString("Stale user version"));
}
}
static class SwitchingProvider implements RecordMetaDataProvider, FDBRecordStoreBase.UserVersionChecker {
private boolean needOld = false;
private final Integer defaultVersion;
private final RecordMetaData metaData1;
private final RecordMetaData metaData2;
SwitchingProvider(int defaultVersion, RecordMetaData metaData1, RecordMetaData metaData2) {
this.defaultVersion = defaultVersion;
this.metaData1 = metaData1;
this.metaData2 = metaData2;
}
@Nonnull
@Override
public RecordMetaData getRecordMetaData() {
return needOld ? metaData1 : metaData2;
}
@Override
public CompletableFuture<Integer> checkUserVersion(@Nonnull final RecordMetaDataProto.DataStoreInfo storeHeader, final RecordMetaDataProvider metaData) {
if (storeHeader.getFormatVersion() == 0) {
return CompletableFuture.completedFuture(defaultVersion);
}
int oldUserVersion = storeHeader.getUserVersion();
if (oldUserVersion == 101) {
needOld = true;
}
return CompletableFuture.completedFuture(oldUserVersion);
}
@Deprecated
@Override
public CompletableFuture<Integer> checkUserVersion(int oldUserVersion, int oldMetaDataVersion, RecordMetaDataProvider metaData) {
throw new RecordCoreException("deprecated checkUserVersion called");
}
}
@Test
public void testUserVersionDeterminesMetaData() {
final RecordMetaDataBuilder builder = RecordMetaData.newBuilder().setRecords(TestRecords1Proto.getDescriptor());
builder.setVersion(101);
final RecordMetaData metaData1 = builder.getRecordMetaData();
builder.setVersion(102);
final RecordMetaData metaData2 = builder.getRecordMetaData();
final SwitchingProvider oldProvider = new SwitchingProvider(101, metaData1, metaData1);
final SwitchingProvider newProvider = new SwitchingProvider(102, metaData1, metaData2);
try (FDBRecordContext context = openContext()) {
recordStore = FDBRecordStore.newBuilder()
.setContext(context).setKeySpacePath(path).setMetaDataProvider(oldProvider).setUserVersionChecker(oldProvider)
.create();
assertEquals(101, recordStore.getUserVersion());
assertEquals(metaData1, recordStore.getRecordMetaData());
assertEquals(metaData1.getVersion(), recordStore.getRecordStoreState().getStoreHeader().getMetaDataversion());
context.commit();
}
try (FDBRecordContext context = openContext()) {
recordStore = FDBRecordStore.newBuilder()
.setContext(context).setKeySpacePath(path).setMetaDataProvider(newProvider).setUserVersionChecker(newProvider)
.open();
assertEquals(101, recordStore.getUserVersion());
assertEquals(metaData1, recordStore.getRecordMetaData());
assertEquals(metaData1.getVersion(), recordStore.getRecordStoreState().getStoreHeader().getMetaDataversion());
context.commit();
}
final SwitchingProvider newProvider2 = new SwitchingProvider(102, metaData1, metaData2);
try (FDBRecordContext context = openContext()) {
FDBRecordStore.deleteStore(context, path);
recordStore = FDBRecordStore.newBuilder()
.setContext(context).setKeySpacePath(path).setMetaDataProvider(newProvider2).setUserVersionChecker(newProvider2)
.create();
assertEquals(102, recordStore.getUserVersion());
assertEquals(metaData2, recordStore.getRecordMetaData());
assertEquals(metaData2.getVersion(), recordStore.getRecordStoreState().getStoreHeader().getMetaDataversion());
context.commit();
}
}
@Test
public void unionFieldUpdateCompatibility() throws Exception {
final TestRecords1Proto.MySimpleRecord record1 = TestRecords1Proto.MySimpleRecord.newBuilder()
.setRecNo(1066L)
.setNumValue2(42)
.build();
final TestRecords1Proto.MySimpleRecord record2 = TestRecords1Proto.MySimpleRecord.newBuilder()
.setRecNo(1415L)
.setStrValueIndexed("second_record")
.build();
final TestRecords1Proto.MySimpleRecord record3 = TestRecords1Proto.MySimpleRecord.newBuilder()
.setRecNo(800L)
.setNumValue2(14)
.build();
try (FDBRecordContext context = openContext()) {
openSimpleRecordStore(context);
RecordMetaData metaData = recordStore.getRecordMetaData();
assertSame(TestRecords1Proto.RecordTypeUnion.getDescriptor().findFieldByName("_MySimpleRecord"),
metaData.getUnionFieldForRecordType(metaData.getRecordType("MySimpleRecord")));
// Save a record using the field using the old meta-data
recordStore.saveRecord(record1);
// Save a record using the new union descriptor but in the old location
context.ensureActive().set(
recordStore.recordsSubspace().pack(Tuple.from(record2.getRecNo(), SplitHelper.UNSPLIT_RECORD)),
TestRecordsDuplicateUnionFields.RecordTypeUnion.newBuilder()
.setMySimpleRecordOld(record2)
.build()
.toByteArray()
);
// Save a record using the new union descriptor in the new location
context.ensureActive().set(
recordStore.recordsSubspace().pack(Tuple.from(record3.getRecNo(), SplitHelper.UNSPLIT_RECORD)),
TestRecordsDuplicateUnionFields.RecordTypeUnion.newBuilder()
.setMySimpleRecordNew(record3)
.build()
.toByteArray()
);
assertEquals(record1, recordStore.loadRecord(Tuple.from(record1.getRecNo())).getRecord());
assertEquals(record2, recordStore.loadRecord(Tuple.from(record2.getRecNo())).getRecord());
RecordCoreException e = assertThrows(RecordCoreException.class,
() -> recordStore.loadRecord(Tuple.from(record3.getRecNo())).getRecord());
assertNotNull(e.getCause());
assertThat(e.getCause(), instanceOf(RecordSerializationException.class));
assertThat(e.getCause().getMessage(), containsString("because there are unknown fields"));
commit(context);
}
try (FDBRecordContext context = openContext()) {
openSimpleRecordStore(context, metaDataBuilder -> metaDataBuilder.updateRecords(TestRecordsDuplicateUnionFields.getDescriptor()));
RecordMetaData metaData = recordStore.getRecordMetaData();
assertSame(TestRecordsDuplicateUnionFields.RecordTypeUnion.getDescriptor().findFieldByName("_MySimpleRecord_new"),
metaData.getUnionFieldForRecordType(metaData.getRecordType("MySimpleRecord")));
// All three records should be readable even though written by the previous store
for (TestRecords1Proto.MySimpleRecord record : Arrays.asList(record1, record2, record3)) {
FDBStoredRecord<Message> storedRecord = recordStore.loadRecord(Tuple.from(record.getRecNo()));
assertNotNull(storedRecord);
assertSame(metaData.getRecordType("MySimpleRecord"), storedRecord.getRecordType());
assertEquals(record, storedRecord.getRecord());
}
commit(context);
}
}
@Test
public void importedRecordType() throws Exception {