// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
// This source code is licensed under both the GPLv2 (found in the
// COPYING file in the root directory) and Apache 2.0 License
// (found in the LICENSE.Apache file in the root directory).
//
// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file. See the AUTHORS file for names of contributors.
#include "db/version_edit.h"
#include "db/blob/blob_index.h"
#include "rocksdb/advanced_options.h"
#include "table/unique_id_impl.h"
#include "test_util/sync_point.h"
#include "test_util/testharness.h"
#include "test_util/testutil.h"
#include "util/coding.h"
#include "util/string_util.h"
namespace ROCKSDB_NAMESPACE {
static void TestEncodeDecode(const VersionEdit& edit) {
// Encoding one `VersionEdit` and decoding it again should result in the
// exact same `VersionEdit`. However, a special handling is applied to file
// boundaries: `FileMetaData.smallest`, `FileMetaData.largest` when
// user-defined timestamps should not be persisted. In that scenario, this
// invariant does not hold. We disable this scenario in this util method to
// enable all other test cases continue to verify this invariant, while the
// special case is separately covered in test
// `EncodeDecodeNewFile4HandleFileBoundary`.
std::string encoded, encoded2;
edit.EncodeTo(&encoded, 0 /* ts_sz */);
VersionEdit parsed;
Status s = parsed.DecodeFrom(encoded);
ASSERT_TRUE(s.ok()) << s.ToString();
parsed.EncodeTo(&encoded2, 0 /* ts_sz */);
ASSERT_EQ(encoded, encoded2);
}
class VersionEditTest : public testing::Test {};
TEST_F(VersionEditTest, EncodeDecode) {
static const uint64_t kBig = 1ull << 50;
static const uint32_t kBig32Bit = 1ull << 30;
VersionEdit edit;
for (int i = 0; i < 4; i++) {
TestEncodeDecode(edit);
edit.AddFile(3, kBig + 300 + i, kBig32Bit + 400 + i, 0,
InternalKey("foo", kBig + 500 + i, kTypeValue),
InternalKey("zoo", kBig + 600 + i, kTypeDeletion),
kBig + 500 + i, kBig + 600 + i, false, Temperature::kUnknown,
kInvalidBlobFileNumber, 888, 678,
kBig + 300 + i /* epoch_number */, "234", "crc32c",
kNullUniqueId64x2, 0, 0, true);
edit.DeleteFile(4, kBig + 700 + i);
}
edit.SetComparatorName("foo");
edit.SetPersistUserDefinedTimestamps(true);
edit.SetLogNumber(kBig + 100);
edit.SetNextFile(kBig + 200);
edit.SetLastSequence(kBig + 1000);
TestEncodeDecode(edit);
}
TEST_F(VersionEditTest, EncodeDecodeNewFile4) {
static const uint64_t kBig = 1ull << 50;
VersionEdit edit;
edit.AddFile(3, 300, 3, 100, InternalKey("foo", kBig + 500, kTypeValue),
InternalKey("zoo", kBig + 600, kTypeDeletion), kBig + 500,
kBig + 600, true, Temperature::kUnknown, kInvalidBlobFileNumber,
kUnknownOldestAncesterTime, kUnknownFileCreationTime,
300 /* epoch_number */, kUnknownFileChecksum,
kUnknownFileChecksumFuncName, kNullUniqueId64x2, 0, 0, true);
edit.AddFile(4, 301, 3, 100, InternalKey("foo", kBig + 501, kTypeValue),
InternalKey("zoo", kBig + 601, kTypeDeletion), kBig + 501,
kBig + 601, false, Temperature::kUnknown, kInvalidBlobFileNumber,
kUnknownOldestAncesterTime, kUnknownFileCreationTime,
301 /* epoch_number */, kUnknownFileChecksum,
kUnknownFileChecksumFuncName, kNullUniqueId64x2, 0, 0, false);
edit.AddFile(5, 302, 0, 100, InternalKey("foo", kBig + 502, kTypeValue),
InternalKey("zoo", kBig + 602, kTypeDeletion), kBig + 502,
kBig + 602, true, Temperature::kUnknown, kInvalidBlobFileNumber,
666, 888, 302 /* epoch_number */, kUnknownFileChecksum,
kUnknownFileChecksumFuncName, kNullUniqueId64x2, 0, 0, true);
edit.AddFile(5, 303, 0, 100, InternalKey("foo", kBig + 503, kTypeBlobIndex),
InternalKey("zoo", kBig + 603, kTypeBlobIndex), kBig + 503,
kBig + 603, true, Temperature::kUnknown, 1001,
kUnknownOldestAncesterTime, kUnknownFileCreationTime,
303 /* epoch_number */, kUnknownFileChecksum,
kUnknownFileChecksumFuncName, kNullUniqueId64x2, 0, 0, true);
edit.DeleteFile(4, 700);
edit.SetComparatorName("foo");
edit.SetPersistUserDefinedTimestamps(false);
edit.SetLogNumber(kBig + 100);
edit.SetNextFile(kBig + 200);
edit.SetLastSequence(kBig + 1000);
TestEncodeDecode(edit);
std::string encoded, encoded2;
edit.EncodeTo(&encoded, 0 /* ts_sz */);
VersionEdit parsed;
Status s = parsed.DecodeFrom(encoded);
ASSERT_TRUE(s.ok()) << s.ToString();
auto& new_files = parsed.GetNewFiles();
ASSERT_TRUE(new_files[0].second.marked_for_compaction);
ASSERT_FALSE(new_files[1].second.marked_for_compaction);
ASSERT_TRUE(new_files[2].second.marked_for_compaction);
ASSERT_TRUE(new_files[3].second.marked_for_compaction);
ASSERT_EQ(3u, new_files[0].second.fd.GetPathId());
ASSERT_EQ(3u, new_files[1].second.fd.GetPathId());
ASSERT_EQ(0u, new_files[2].second.fd.GetPathId());
ASSERT_EQ(0u, new_files[3].second.fd.GetPathId());
ASSERT_EQ(kInvalidBlobFileNumber,
new_files[0].second.oldest_blob_file_number);
ASSERT_EQ(kInvalidBlobFileNumber,
new_files[1].second.oldest_blob_file_number);
ASSERT_EQ(kInvalidBlobFileNumber,
new_files[2].second.oldest_blob_file_number);
ASSERT_EQ(1001, new_files[3].second.oldest_blob_file_number);
ASSERT_TRUE(new_files[0].second.user_defined_timestamps_persisted);
ASSERT_FALSE(new_files[1].second.user_defined_timestamps_persisted);
ASSERT_TRUE(new_files[2].second.user_defined_timestamps_persisted);
ASSERT_TRUE(new_files[3].second.user_defined_timestamps_persisted);
ASSERT_FALSE(parsed.GetPersistUserDefinedTimestamps());
}
TEST_F(VersionEditTest, EncodeDecodeNewFile4HandleFileBoundary) {
static const uint64_t kBig = 1ull << 50;
size_t ts_sz = 16;
static std::string min_ts(ts_sz, static_cast<unsigned char>(0));
VersionEdit edit;
std::string smallest = "foo";
std::string largest = "zoo";
// In real manifest writing scenarios, one `VersionEdit` should not contain
// files with different `user_defined_timestamps_persisted` flag value.
// This is just for testing file boundaries handling w.r.t persisting user
// defined timestamps during `VersionEdit` encoding.
edit.AddFile(
3, 300, 3, 100, InternalKey(smallest + min_ts, kBig + 500, kTypeValue),
InternalKey(largest + min_ts, kBig + 600, kTypeDeletion), kBig + 500,
kBig + 600, true, Temperature::kUnknown, kInvalidBlobFileNumber,
kUnknownOldestAncesterTime, kUnknownFileCreationTime,
300 /* epoch_number */, kUnknownFileChecksum,
kUnknownFileChecksumFuncName, kNullUniqueId64x2,
0 /* compensated_range_deletion_size */, 0 /* tail_size */,
false /* user_defined_timestamps_persisted */);
edit.AddFile(3, 300, 3, 100,
InternalKey(smallest + min_ts, kBig + 500, kTypeValue),
InternalKey(largest + min_ts, kBig + 600, kTypeDeletion),
kBig + 500, kBig + 600, true, Temperature::kUnknown,
kInvalidBlobFileNumber, kUnknownOldestAncesterTime,
kUnknownFileCreationTime, 300 /* epoch_number */,
kUnknownFileChecksum, kUnknownFileChecksumFuncName,
kNullUniqueId64x2, 0 /* compensated_range_deletion_size */,
0 /* tail_size */, true /* user_defined_timestamps_persisted */);
std::string encoded;
edit.EncodeTo(&encoded, ts_sz);
VersionEdit parsed;
Status s = parsed.DecodeFrom(encoded);
ASSERT_TRUE(s.ok()) << s.ToString();
auto& new_files = parsed.GetNewFiles();
ASSERT_TRUE(new_files.size() == 2);
ASSERT_FALSE(new_files[0].second.user_defined_timestamps_persisted);
// First file's boundaries do not contain user-defined timestamps.
ASSERT_EQ(InternalKey(smallest, kBig + 500, kTypeValue).Encode(),
new_files[0].second.smallest.Encode());
ASSERT_EQ(InternalKey(largest, kBig + 600, kTypeDeletion).Encode(),
new_files[0].second.largest.Encode());
ASSERT_TRUE(new_files[1].second.user_defined_timestamps_persisted);
// Second file's boundaries contain user-defined timestamps.
ASSERT_EQ(InternalKey(smallest + min_ts, kBig + 500, kTypeValue).Encode(),
new_files[1].second.smallest.Encode());
ASSERT_EQ(InternalKey(largest + min_ts, kBig + 600, kTypeDeletion).Encode(),
new_files[1].second.largest.Encode());
}
TEST_F(VersionEditTest, ForwardCompatibleNewFile4) {
static const uint64_t kBig = 1ull << 50;
VersionEdit edit;
edit.AddFile(3, 300, 3, 100, InternalKey("foo", kBig + 500, kTypeValue),
InternalKey("zoo", kBig + 600, kTypeDeletion), kBig + 500,
kBig + 600, true, Temperature::kUnknown, kInvalidBlobFileNumber,
kUnknownOldestAncesterTime, kUnknownFileCreationTime,
300 /* epoch_number */, kUnknownFileChecksum,
kUnknownFileChecksumFuncName, kNullUniqueId64x2, 0, 0, true);
edit.AddFile(4, 301, 3, 100, InternalKey("foo", kBig + 501, kTypeValue),
InternalKey("zoo", kBig + 601, kTypeDeletion), kBig + 501,
kBig + 601, false, Temperature::kUnknown, kInvalidBlobFileNumber,
686, 868, 301 /* epoch_number */, "234", "crc32c",
kNullUniqueId64x2, 0, 0, true);
edit.DeleteFile(4, 700);
edit.SetComparatorName("foo");
edit.SetPersistUserDefinedTimestamps(true);
edit.SetLogNumber(kBig + 100);
edit.SetNextFile(kBig + 200);
edit.SetLastSequence(kBig + 1000);
std::string encoded;
// Call back function to add extra customized builds.
bool first = true;
ROCKSDB_NAMESPACE::SyncPoint::GetInstance()->SetCallBack(
"VersionEdit::EncodeTo:NewFile4:CustomizeFields", [&](void* arg) {
std::string* str = reinterpret_cast<std::string*>(arg);
PutVarint32(str, 33);
const std::string str1 = "random_string";
PutLengthPrefixedSlice(str, str1);
if (first) {
first = false;
PutVarint32(str, 22);
const std::string str2 = "s";
PutLengthPrefixedSlice(str, str2);
}
});
ROCKSDB_NAMESPACE::SyncPoint::GetInstance()->EnableProcessing();
edit.EncodeTo(&encoded, 0 /* ts_sz */);
ROCKSDB_NAMESPACE::SyncPoint::GetInstance()->DisableProcessing();
VersionEdit parsed;
Status s = parsed.DecodeFrom(encoded);
ASSERT_TRUE(s.ok()) << s.ToString();
ASSERT_TRUE(!first);
auto& new_files = parsed.GetNewFiles();
ASSERT_TRUE(new_files[0].second.marked_for_compaction);
ASSERT_TRUE(!new_files[1].second.marked_for_compaction);
ASSERT_EQ(3u, new_files[0].second.fd.GetPathId());
ASSERT_EQ(3u, new_files[1].second.fd.GetPathId());
ASSERT_EQ(1u, parsed.GetDeletedFiles().size());
ASSERT_TRUE(parsed.GetPersistUserDefinedTimestamps());
}
TEST_F(VersionEditTest, NewFile4NotSupportedField) {
static const uint64_t kBig = 1ull << 50;
VersionEdit edit;
edit.AddFile(3, 300, 3, 100, InternalKey("foo", kBig + 500, kTypeValue),
InternalKey("zoo", kBig + 600, kTypeDeletion), kBig + 500,
kBig + 600, true, Temperature::kUnknown, kInvalidBlobFileNumber,
kUnknownOldestAncesterTime, kUnknownFileCreationTime,
300 /* epoch_number */, kUnknownFileChecksum,
kUnknownFileChecksumFuncName, kNullUniqueId64x2, 0, 0, false);
edit.SetComparatorName("foo");
edit.SetPersistUserDefinedTimestamps(false);
edit.SetLogNumber(kBig + 100);
edit.SetNextFile(kBig + 200);
edit.SetLastSequence(kBig + 1000);
std::string encoded;
// Call back function to add extra customized builds.
ROCKSDB_NAMESPACE::SyncPoint::GetInstance()->SetCallBack(
"VersionEdit::EncodeTo:NewFile4:CustomizeFields", [&](void* arg) {
std::string* str = reinterpret_cast<std::string*>(arg);
const std::string str1 = "s";
PutLengthPrefixedSlice(str, str1);
});
ROCKSDB_NAMESPACE::SyncPoint::GetInstance()->EnableProcessing();
edit.EncodeTo(&encoded, 0 /* ts_sz */);
ROCKSDB_NAMESPACE::SyncPoint::GetInstance()->DisableProcessing();
VersionEdit parsed;
Status s = parsed.DecodeFrom(encoded);
ASSERT_NOK(s);
}
TEST_F(VersionEditTest, EncodeEmptyFile) {
VersionEdit edit;
edit.AddFile(0, 0, 0, 0, InternalKey(), InternalKey(), 0, 0, false,
Temperature::kUnknown, kInvalidBlobFileNumber,
kUnknownOldestAncesterTime, kUnknownFileCreationTime,
1 /*epoch_number*/, kUnknownFileChecksum,
kUnknownFileChecksumFuncName, kNullUniqueId64x2, 0, 0, true);
std::string buffer;
ASSERT_TRUE(!edit.EncodeTo(&buffer, 0 /* ts_sz */));
}
TEST_F(VersionEditTest, ColumnFamilyTest) {
VersionEdit edit;
edit.SetColumnFamily(2);
edit.AddColumnFamily("column_family");
edit.SetMaxColumnFamily(5);
TestEncodeDecode(edit);
edit.Clear();
edit.SetColumnFamily(3);
edit.DropColumnFamily();
TestEncodeDecode(edit);
}
TEST_F(VersionEditTest, MinLogNumberToKeep) {
VersionEdit edit;
edit.SetMinLogNumberToKeep(13);
TestEncodeDecode(edit);
edit.Clear();
edit.SetMinLogNumberToKeep(23);
TestEncodeDecode(edit);
}
TEST_F(VersionEditTest, AtomicGroupTest) {
VersionEdit edit;
edit.MarkAtomicGroup(1);
TestEncodeDecode(edit);
}
TEST_F(VersionEditTest, IgnorableField) {
VersionEdit ve;
std::string encoded;
// Size of ignorable field is too large
PutVarint32Varint64(&encoded, 2 /* kLogNumber */, 66);
// This is a customized ignorable tag
PutVarint32Varint64(&encoded,
0x2710 /* A field with kTagSafeIgnoreMask set */,
5 /* fieldlength 5 */);
encoded += "abc"; // Only fills 3 bytes,
ASSERT_NOK(ve.DecodeFrom(encoded));
encoded.clear();
// Error when seeing unidentified tag that is not ignorable
PutVarint32Varint64(&encoded, 2 /* kLogNumber */, 66);
// This is a customized ignorable tag
PutVarint32Varint64(&encoded, 666 /* A field with kTagSafeIgnoreMask unset */,
3 /* fieldlength 3 */);
encoded += "abc"; // Fill 3 bytes
PutVarint32Varint64(&encoded, 3 /* next file number */, 88);
ASSERT_NOK(ve.DecodeFrom(encoded));
// Safely ignore an identified but safely ignorable entry
encoded.clear();
PutVarint32Varint64(&encoded, 2 /* kLogNumber */, 66);
// This is a customized ignorable tag
PutVarint32Varint64(&encoded,
0x2710 /* A field with kTagSafeIgnoreMask set */,
3 /* fieldlength 3 */);
encoded += "abc"; // Fill 3 bytes
PutVarint32Varint64(&encoded, 3 /* kNextFileNumber */, 88);
ASSERT_OK(ve.DecodeFrom(encoded));
ASSERT_TRUE(ve.HasLogNumber());
ASSERT_TRUE(ve.HasNextFile());
ASSERT_EQ(66, ve.GetLogNumber());
ASSERT_EQ(88, ve.GetNextFile());
}
TEST_F(VersionEditTest, DbId) {
VersionEdit edit;
edit.SetDBId("ab34-cd12-435f-er00");
TestEncodeDecode(edit);
edit.Clear();
edit.SetDBId("34ba-cd12-435f-er01");
TestEncodeDecode(edit);
}
TEST_F(VersionEditTest, BlobFileAdditionAndGarbage) {
VersionEdit edit;
const std::string checksum_method_prefix = "Hash";
const std::string checksum_value_prefix = "Value";
for (uint64_t blob_file_number = 1; blob_file_number <= 10;
++blob_file_number) {
const uint64_t total_blob_count = blob_file_number << 10;
const uint64_t total_blob_bytes = blob_file_number << 20;
std::string checksum_method(checksum_method_prefix);
AppendNumberTo(&checksum_method, blob_file_number);
std::string checksum_value(checksum_value_prefix);
AppendNumberTo(&checksum_value, blob_file_number);
edit.AddBlobFile(blob_file_number, total_blob_count, total_blob_bytes,
checksum_method, checksum_value);
const uint64_t garbage_blob_count = total_blob_count >> 2;
const uint64_t garbage_blob_bytes = total_blob_bytes >> 1;
edit.AddBlobFileGarbage(blob_file_number, garbage_blob_count,
garbage_blob_bytes);
}
TestEncodeDecode(edit);
}
TEST_F(VersionEditTest, AddWalEncodeDecode) {
VersionEdit edit;
for (uint64_t log_number = 1; log_number <= 20; log_number++) {
WalMetadata meta;
bool has_size = rand() % 2 == 0;
if (has_size) {
meta.SetSyncedSizeInBytes(rand() % 1000);
}
edit.AddWal(log_number, meta);
}
TestEncodeDecode(edit);
}
static std::string PrefixEncodedWalAdditionWithLength(
const std::string& encoded) {
std::string ret;
PutVarint32(&ret, Tag::kWalAddition2);
PutLengthPrefixedSlice(&ret, encoded);
return ret;
}
TEST_F(VersionEditTest, AddWalDecodeBadLogNumber) {
std::string encoded;
{
// No log number.
std::string encoded_edit = PrefixEncodedWalAdditionWithLength(encoded);
VersionEdit edit;
Status s = edit.DecodeFrom(encoded_edit);
ASSERT_TRUE(s.IsCorruption());
ASSERT_TRUE(s.ToString().find("Error decoding WAL log number") !=
std::string::npos)
<< s.ToString();
}
{
// log number should be varint64,
// but we only encode 128 which is not a valid representation of varint64.
char c = 0;
unsigned char* ptr = reinterpret_cast<unsigned char*>(&c);
*ptr = 128;
encoded.append(1, c);
std::string encoded_edit = PrefixEncodedWalAdditionWithLength(encoded);
VersionEdit edit;
Status s = edit.DecodeFrom(encoded_edit);
ASSERT_TRUE(s.IsCorruption());
ASSERT_TRUE(s.ToString().find("Error decoding WAL log number") !=
std::string::npos)
<< s.ToString();
}
}
TEST_F(VersionEditTest, AddWalDecodeBadTag) {
constexpr WalNumber kLogNumber = 100;
constexpr uint64_t kSizeInBytes = 100;
std::string encoded;
PutVarint64(&encoded, kLogNumber);
{
// No tag.
std::string encoded_edit = PrefixEncodedWalAdditionWithLength(encoded);
VersionEdit edit;
Status s = edit.DecodeFrom(encoded_edit);
ASSERT_TRUE(s.IsCorruption());
ASSERT_TRUE(s.ToString().find("Error decoding tag") != std::string::npos)
<< s.ToString();
}
{
// Only has size tag, no terminate tag.
std::string encoded_with_size = encoded;
PutVarint32(&encoded_with_size,
static_cast<uint32_t>(WalAdditionTag::kSyncedSize));
PutVarint64(&encoded_with_size, kSizeInBytes);
std::string encoded_edit =
PrefixEncodedWalAdditionWithLength(encoded_with_size);
VersionEdit edit;
Status s = edit.DecodeFrom(encoded_edit);
ASSERT_TRUE(s.IsCorruption());
ASSERT_TRUE(s.ToString().find("Error decoding tag") != std::string::npos)
<< s.ToString();
}
{
// Only has terminate tag.
std::string encoded_with_terminate = encoded;
PutVarint32(&encoded_with_terminate,
static_cast<uint32_t>(WalAdditionTag::kTerminate));
std::string encoded_edit =
PrefixEncodedWalAdditionWithLength(encoded_with_terminate);
VersionEdit edit;
ASSERT_OK(edit.DecodeFrom(encoded_edit));
auto& wal_addition = edit.GetWalAdditions()[0];
ASSERT_EQ(wal_addition.GetLogNumber(), kLogNumber);
ASSERT_FALSE(wal_addition.GetMetadata().HasSyncedSize());
}
}
TEST_F(VersionEditTest, AddWalDecodeNoSize) {
constexpr WalNumber kLogNumber = 100;
std::string encoded;
PutVarint64(&encoded, kLogNumber);
PutVarint32(&encoded, static_cast<uint32_t>(WalAdditionTag::kSyncedSize));
// No real size after the size tag.
{
// Without terminate tag.
std::string encoded_edit = PrefixEncodedWalAdditionWithLength(encoded);
VersionEdit edit;
Status s = edit.DecodeFrom(encoded_edit);
ASSERT_TRUE(s.IsCorruption());
ASSERT_TRUE(s.ToString().find("Error decoding WAL file size") !=
std::string::npos)
<< s.ToString();
}
{
// With terminate tag.
PutVarint32(&encoded, static_cast<uint32_t>(WalAdditionTag::kTerminate));
std::string encoded_edit = PrefixEncodedWalAdditionWithLength(encoded);
VersionEdit edit;
Status s = edit.DecodeFrom(encoded_edit);
ASSERT_TRUE(s.IsCorruption());
// The terminate tag is misunderstood as the size.
ASSERT_TRUE(s.ToString().find("Error decoding tag") != std::string::npos)
<< s.ToString();
}
}
TEST_F(VersionEditTest, AddWalDebug) {
constexpr int n = 2;
constexpr std::array<uint64_t, n> kLogNumbers{{10, 20}};
constexpr std::array<uint64_t, n> kSizeInBytes{{100, 200}};
VersionEdit edit;
for (int i = 0; i < n; i++) {
edit.AddWal(kLogNumbers[i], WalMetadata(kSizeInBytes[i]));
}
const WalAdditions& wals = edit.GetWalAdditions();
ASSERT_TRUE(edit.IsWalAddition());
ASSERT_EQ(wals.size(), n);
for (int i = 0; i < n; i++) {
const WalAddition& wal = wals[i];
ASSERT_EQ(wal.GetLogNumber(), kLogNumbers[i]);
ASSERT_EQ(wal.GetMetadata().GetSyncedSizeInBytes(), kSizeInBytes[i]);
}
std::string expected_str = "VersionEdit {\n";
for (int i = 0; i < n; i++) {
std::stringstream ss;
ss << " WalAddition: log_number: " << kLogNumbers[i]
<< " synced_size_in_bytes: " << kSizeInBytes[i] << "\n";
expected_str += ss.str();
}
expected_str += " ColumnFamily: 0\n}\n";
ASSERT_EQ(edit.DebugString(true), expected_str);
std::string expected_json = "{\"EditNumber\": 4, \"WalAdditions\": [";
for (int i = 0; i < n; i++) {
std::stringstream ss;
ss << "{\"LogNumber\": " << kLogNumbers[i] << ", "
<< "\"SyncedSizeInBytes\": " << kSizeInBytes[i] << "}";
if (i < n - 1) {
ss << ", ";
}
expected_json += ss.str();
}
expected_json += "], \"ColumnFamily\": 0}";
ASSERT_EQ(edit.DebugJSON(4, true), expected_json);
}
TEST_F(VersionEditTest, DeleteWalEncodeDecode) {
VersionEdit edit;
edit.DeleteWalsBefore(rand() % 100);
TestEncodeDecode(edit);
}
TEST_F(VersionEditTest, DeleteWalDebug) {
constexpr int n = 2;
constexpr std::array<uint64_t, n> kLogNumbers{{10, 20}};
VersionEdit edit;
edit.DeleteWalsBefore(kLogNumbers[n - 1]);
const WalDeletion& wal = edit.GetWalDeletion();
ASSERT_TRUE(edit.IsWalDeletion());
ASSERT_EQ(wal.GetLogNumber(), kLogNumbers[n - 1]);
std::string expected_str = "VersionEdit {\n";
{
std::stringstream ss;
ss << " WalDeletion: log_number: " << kLogNumbers[n - 1] << "\n";
expected_str += ss.str();
}
expected_str += " ColumnFamily: 0\n}\n";
ASSERT_EQ(edit.DebugString(true), expected_str);
std::string expected_json = "{\"EditNumber\": 4, \"WalDeletion\": ";
{
std::stringstream ss;
ss << "{\"LogNumber\": " << kLogNumbers[n - 1] << "}";
expected_json += ss.str();
}
expected_json += ", \"ColumnFamily\": 0}";
ASSERT_EQ(edit.DebugJSON(4, true), expected_json);
}
TEST_F(VersionEditTest, FullHistoryTsLow) {
VersionEdit edit;
ASSERT_FALSE(edit.HasFullHistoryTsLow());
std::string ts = test::EncodeInt(0);
edit.SetFullHistoryTsLow(ts);
TestEncodeDecode(edit);
}
// Tests that if RocksDB is downgraded, the new types of VersionEdits
// that have a tag larger than kTagSafeIgnoreMask can be safely ignored.
TEST_F(VersionEditTest, IgnorableTags) {
SyncPoint::GetInstance()->SetCallBack(
"VersionEdit::EncodeTo:IgnoreIgnorableTags", [&](void* arg) {
bool* ignore = static_cast<bool*>(arg);
*ignore = true;
});
SyncPoint::GetInstance()->EnableProcessing();
constexpr uint64_t kPrevLogNumber = 100;
constexpr uint64_t kLogNumber = 200;
constexpr uint64_t kNextFileNumber = 300;
constexpr uint64_t kColumnFamilyId = 400;
VersionEdit edit;
// Add some ignorable entries.
for (int i = 0; i < 2; i++) {
edit.AddWal(i + 1, WalMetadata(i + 2));
}
edit.SetDBId("db_id");
// Add unignorable entries.
edit.SetPrevLogNumber(kPrevLogNumber);
edit.SetLogNumber(kLogNumber);
// Add more ignorable entries.
edit.DeleteWalsBefore(100);
// Add unignorable entry.
edit.SetNextFile(kNextFileNumber);
// Add more ignorable entries.
edit.SetFullHistoryTsLow("ts");
// Add unignorable entry.
edit.SetColumnFamily(kColumnFamilyId);
std::string encoded;
ASSERT_TRUE(edit.EncodeTo(&encoded, 0 /* ts_sz */));
VersionEdit decoded;
ASSERT_OK(decoded.DecodeFrom(encoded));
// Check that all ignorable entries are ignored.
ASSERT_FALSE(decoded.HasDbId());
ASSERT_FALSE(decoded.HasFullHistoryTsLow());
ASSERT_FALSE(decoded.IsWalAddition());
ASSERT_FALSE(decoded.IsWalDeletion());
ASSERT_TRUE(decoded.GetWalAdditions().empty());
ASSERT_TRUE(decoded.GetWalDeletion().IsEmpty());
// Check that unignorable entries are still present.
ASSERT_EQ(edit.GetPrevLogNumber(), kPrevLogNumber);
ASSERT_EQ(edit.GetLogNumber(), kLogNumber);
ASSERT_EQ(edit.GetNextFile(), kNextFileNumber);
ASSERT_EQ(edit.GetColumnFamily(), kColumnFamilyId);
SyncPoint::GetInstance()->DisableProcessing();
}
TEST(FileMetaDataTest, UpdateBoundariesBlobIndex) {
FileMetaData meta;
{
constexpr uint64_t file_number = 10;
constexpr uint32_t path_id = 0;
constexpr uint64_t file_size = 0;
meta.fd = FileDescriptor(file_number, path_id, file_size);
}
constexpr char key[] = "foo";
constexpr uint64_t expected_oldest_blob_file_number = 20;
// Plain old value (does not affect oldest_blob_file_number)
{
constexpr char value[] = "value";
constexpr SequenceNumber seq = 200;
ASSERT_OK(meta.UpdateBoundaries(key, value, seq, kTypeValue));
ASSERT_EQ(meta.oldest_blob_file_number, kInvalidBlobFileNumber);
}
// Non-inlined, non-TTL blob index (sets oldest_blob_file_number)
{
constexpr uint64_t blob_file_number = 25;
static_assert(blob_file_number > expected_oldest_blob_file_number,
"unexpected");
constexpr uint64_t offset = 1000;
constexpr uint64_t size = 100;
std::string blob_index;
BlobIndex::EncodeBlob(&blob_index, blob_file_number, offset, size,
kNoCompression);
constexpr SequenceNumber seq = 201;
ASSERT_OK(meta.UpdateBoundaries(key, blob_index, seq, kTypeBlobIndex));
ASSERT_EQ(meta.oldest_blob_file_number, blob_file_number);
}
// Another one, with the oldest blob file number (updates
// oldest_blob_file_number)
{
constexpr uint64_t offset = 2000;
constexpr uint64_t size = 300;
std::string blob_index;
BlobIndex::EncodeBlob(&blob_index, expected_oldest_blob_file_number, offset,
size, kNoCompression);
constexpr SequenceNumber seq = 202;
ASSERT_OK(meta.UpdateBoundaries(key, blob_index, seq, kTypeBlobIndex));
ASSERT_EQ(meta.oldest_blob_file_number, expected_oldest_blob_file_number);
}
// Inlined TTL blob index (does not affect oldest_blob_file_number)
{
constexpr uint64_t expiration = 9876543210;
constexpr char value[] = "value";
std::string blob_index;
BlobIndex::EncodeInlinedTTL(&blob_index, expiration, value);
constexpr SequenceNumber seq = 203;
ASSERT_OK(meta.UpdateBoundaries(key, blob_index, seq, kTypeBlobIndex));
ASSERT_EQ(meta.oldest_blob_file_number, expected_oldest_blob_file_number);
}
// Non-inlined TTL blob index (does not affect oldest_blob_file_number, even
// though file number is smaller)
{
constexpr uint64_t expiration = 9876543210;
constexpr uint64_t blob_file_number = 15;
static_assert(blob_file_number < expected_oldest_blob_file_number,
"unexpected");
constexpr uint64_t offset = 2000;
constexpr uint64_t size = 500;
std::string blob_index;
BlobIndex::EncodeBlobTTL(&blob_index, expiration, blob_file_number, offset,
size, kNoCompression);
constexpr SequenceNumber seq = 204;
ASSERT_OK(meta.UpdateBoundaries(key, blob_index, seq, kTypeBlobIndex));
ASSERT_EQ(meta.oldest_blob_file_number, expected_oldest_blob_file_number);
}
// Corrupt blob index
{
constexpr char corrupt_blob_index[] = "!corrupt!";
constexpr SequenceNumber seq = 205;
ASSERT_TRUE(
meta.UpdateBoundaries(key, corrupt_blob_index, seq, kTypeBlobIndex)
.IsCorruption());
ASSERT_EQ(meta.oldest_blob_file_number, expected_oldest_blob_file_number);
}
// Invalid blob file number
{
constexpr uint64_t offset = 10000;
constexpr uint64_t size = 1000;
std::string blob_index;
BlobIndex::EncodeBlob(&blob_index, kInvalidBlobFileNumber, offset, size,
kNoCompression);
constexpr SequenceNumber seq = 206;
ASSERT_TRUE(meta.UpdateBoundaries(key, blob_index, seq, kTypeBlobIndex)
.IsCorruption());
ASSERT_EQ(meta.oldest_blob_file_number, expected_oldest_blob_file_number);
}
}
} // namespace ROCKSDB_NAMESPACE
int main(int argc, char** argv) {
ROCKSDB_NAMESPACE::port::InstallStackTraceHandler();
::testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}