fork of https://github.com/oxigraph/rocksdb and https://github.com/facebook/rocksdb for nextgraph and oxigraph
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
460 lines
16 KiB
460 lines
16 KiB
// 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 <functional>
|
|
#include <string>
|
|
#include <utility>
|
|
#include <vector>
|
|
|
|
#include "db/arena_wrapped_db_iter.h"
|
|
#include "db/column_family.h"
|
|
#include "db/db_iter.h"
|
|
#include "db/db_test_util.h"
|
|
#include "db/dbformat.h"
|
|
#include "db/write_batch_internal.h"
|
|
#include "port/port.h"
|
|
#include "port/stack_trace.h"
|
|
#include "util/string_util.h"
|
|
#include "utilities/merge_operators.h"
|
|
|
|
namespace ROCKSDB_NAMESPACE {
|
|
|
|
// kTypeBlobIndex is a value type used by BlobDB only. The base rocksdb
|
|
// should accept the value type on write, and report not supported value
|
|
// for reads, unless caller request for it explicitly. The base rocksdb
|
|
// doesn't understand format of actual blob index (the value).
|
|
class DBBlobIndexTest : public DBTestBase {
|
|
public:
|
|
enum Tier {
|
|
kMemtable = 0,
|
|
kImmutableMemtables = 1,
|
|
kL0SstFile = 2,
|
|
kLnSstFile = 3,
|
|
};
|
|
const std::vector<Tier> kAllTiers = {Tier::kMemtable,
|
|
Tier::kImmutableMemtables,
|
|
Tier::kL0SstFile, Tier::kLnSstFile};
|
|
|
|
DBBlobIndexTest()
|
|
: DBTestBase("/db_blob_index_test", /*env_do_fsync=*/true) {}
|
|
|
|
ColumnFamilyHandle* cfh() { return dbfull()->DefaultColumnFamily(); }
|
|
|
|
ColumnFamilyData* cfd() {
|
|
return static_cast_with_check<ColumnFamilyHandleImpl>(cfh())->cfd();
|
|
}
|
|
|
|
Status PutBlobIndex(WriteBatch* batch, const Slice& key,
|
|
const Slice& blob_index) {
|
|
return WriteBatchInternal::PutBlobIndex(batch, cfd()->GetID(), key,
|
|
blob_index);
|
|
}
|
|
|
|
Status Write(WriteBatch* batch) {
|
|
return dbfull()->Write(WriteOptions(), batch);
|
|
}
|
|
|
|
std::string GetImpl(const Slice& key, bool* is_blob_index = nullptr,
|
|
const Snapshot* snapshot = nullptr) {
|
|
ReadOptions read_options;
|
|
read_options.snapshot = snapshot;
|
|
PinnableSlice value;
|
|
DBImpl::GetImplOptions get_impl_options;
|
|
get_impl_options.column_family = cfh();
|
|
get_impl_options.value = &value;
|
|
get_impl_options.is_blob_index = is_blob_index;
|
|
auto s = dbfull()->GetImpl(read_options, key, get_impl_options);
|
|
if (s.IsNotFound()) {
|
|
return "NOT_FOUND";
|
|
}
|
|
if (s.IsCorruption()) {
|
|
return "CORRUPTION";
|
|
}
|
|
if (s.IsNotSupported()) {
|
|
return "NOT_SUPPORTED";
|
|
}
|
|
if (!s.ok()) {
|
|
return s.ToString();
|
|
}
|
|
return value.ToString();
|
|
}
|
|
|
|
std::string GetBlobIndex(const Slice& key,
|
|
const Snapshot* snapshot = nullptr) {
|
|
bool is_blob_index = false;
|
|
std::string value = GetImpl(key, &is_blob_index, snapshot);
|
|
if (!is_blob_index) {
|
|
return "NOT_BLOB";
|
|
}
|
|
return value;
|
|
}
|
|
|
|
ArenaWrappedDBIter* GetBlobIterator() {
|
|
return dbfull()->NewIteratorImpl(
|
|
ReadOptions(), cfd(), dbfull()->GetLatestSequenceNumber(),
|
|
nullptr /*read_callback*/, true /*expose_blob_index*/);
|
|
}
|
|
|
|
Options GetTestOptions() {
|
|
Options options;
|
|
options.env = CurrentOptions().env;
|
|
options.create_if_missing = true;
|
|
options.num_levels = 2;
|
|
options.disable_auto_compactions = true;
|
|
// Disable auto flushes.
|
|
options.max_write_buffer_number = 10;
|
|
options.min_write_buffer_number_to_merge = 10;
|
|
options.merge_operator = MergeOperators::CreateStringAppendOperator();
|
|
return options;
|
|
}
|
|
|
|
void MoveDataTo(Tier tier) {
|
|
switch (tier) {
|
|
case Tier::kMemtable:
|
|
break;
|
|
case Tier::kImmutableMemtables:
|
|
ASSERT_OK(dbfull()->TEST_SwitchMemtable());
|
|
break;
|
|
case Tier::kL0SstFile:
|
|
ASSERT_OK(Flush());
|
|
break;
|
|
case Tier::kLnSstFile:
|
|
ASSERT_OK(Flush());
|
|
ASSERT_OK(Put("a", "dummy"));
|
|
ASSERT_OK(Put("z", "dummy"));
|
|
ASSERT_OK(Flush());
|
|
ASSERT_OK(
|
|
dbfull()->CompactRange(CompactRangeOptions(), nullptr, nullptr));
|
|
#ifndef ROCKSDB_LITE
|
|
ASSERT_EQ("0,1", FilesPerLevel());
|
|
#endif // !ROCKSDB_LITE
|
|
break;
|
|
}
|
|
}
|
|
};
|
|
|
|
// Should be able to write kTypeBlobIndex to memtables and SST files.
|
|
TEST_F(DBBlobIndexTest, Write) {
|
|
for (auto tier : kAllTiers) {
|
|
DestroyAndReopen(GetTestOptions());
|
|
for (int i = 1; i <= 5; i++) {
|
|
std::string index = ToString(i);
|
|
WriteBatch batch;
|
|
ASSERT_OK(PutBlobIndex(&batch, "key" + index, "blob" + index));
|
|
ASSERT_OK(Write(&batch));
|
|
}
|
|
MoveDataTo(tier);
|
|
for (int i = 1; i <= 5; i++) {
|
|
std::string index = ToString(i);
|
|
ASSERT_EQ("blob" + index, GetBlobIndex("key" + index));
|
|
}
|
|
}
|
|
}
|
|
|
|
// Note: the following test case pertains to the StackableDB-based BlobDB
|
|
// implementation. Get should be able to return blob index if is_blob_index is
|
|
// provided, otherwise it should return Status::NotSupported (when reading from
|
|
// memtable) or Status::Corruption (when reading from SST). Reading from SST
|
|
// returns Corruption because we can't differentiate between the application
|
|
// accidentally opening the base DB of a stacked BlobDB and actual corruption
|
|
// when using the integrated BlobDB.
|
|
TEST_F(DBBlobIndexTest, Get) {
|
|
for (auto tier : kAllTiers) {
|
|
DestroyAndReopen(GetTestOptions());
|
|
WriteBatch batch;
|
|
ASSERT_OK(batch.Put("key", "value"));
|
|
ASSERT_OK(PutBlobIndex(&batch, "blob_key", "blob_index"));
|
|
ASSERT_OK(Write(&batch));
|
|
MoveDataTo(tier);
|
|
// Verify normal value
|
|
bool is_blob_index = false;
|
|
PinnableSlice value;
|
|
ASSERT_EQ("value", Get("key"));
|
|
ASSERT_EQ("value", GetImpl("key"));
|
|
ASSERT_EQ("value", GetImpl("key", &is_blob_index));
|
|
ASSERT_FALSE(is_blob_index);
|
|
// Verify blob index
|
|
if (tier <= kImmutableMemtables) {
|
|
ASSERT_TRUE(Get("blob_key", &value).IsNotSupported());
|
|
ASSERT_EQ("NOT_SUPPORTED", GetImpl("blob_key"));
|
|
} else {
|
|
ASSERT_TRUE(Get("blob_key", &value).IsCorruption());
|
|
ASSERT_EQ("CORRUPTION", GetImpl("blob_key"));
|
|
}
|
|
ASSERT_EQ("blob_index", GetImpl("blob_key", &is_blob_index));
|
|
ASSERT_TRUE(is_blob_index);
|
|
}
|
|
}
|
|
|
|
// Note: the following test case pertains to the StackableDB-based BlobDB
|
|
// implementation. Get should NOT return Status::NotSupported/Status::Corruption
|
|
// if blob index is updated with a normal value. See the test case above for
|
|
// more details.
|
|
TEST_F(DBBlobIndexTest, Updated) {
|
|
for (auto tier : kAllTiers) {
|
|
DestroyAndReopen(GetTestOptions());
|
|
WriteBatch batch;
|
|
for (int i = 0; i < 10; i++) {
|
|
ASSERT_OK(PutBlobIndex(&batch, "key" + ToString(i), "blob_index"));
|
|
}
|
|
ASSERT_OK(Write(&batch));
|
|
// Avoid blob values from being purged.
|
|
const Snapshot* snapshot = dbfull()->GetSnapshot();
|
|
ASSERT_OK(Put("key1", "new_value"));
|
|
ASSERT_OK(Merge("key2", "a"));
|
|
ASSERT_OK(Merge("key2", "b"));
|
|
ASSERT_OK(Merge("key2", "c"));
|
|
ASSERT_OK(Delete("key3"));
|
|
ASSERT_OK(SingleDelete("key4"));
|
|
ASSERT_OK(Delete("key5"));
|
|
ASSERT_OK(Merge("key5", "a"));
|
|
ASSERT_OK(Merge("key5", "b"));
|
|
ASSERT_OK(Merge("key5", "c"));
|
|
ASSERT_OK(dbfull()->DeleteRange(WriteOptions(), cfh(), "key6", "key9"));
|
|
MoveDataTo(tier);
|
|
for (int i = 0; i < 10; i++) {
|
|
ASSERT_EQ("blob_index", GetBlobIndex("key" + ToString(i), snapshot));
|
|
}
|
|
ASSERT_EQ("new_value", Get("key1"));
|
|
if (tier <= kImmutableMemtables) {
|
|
ASSERT_EQ("NOT_SUPPORTED", GetImpl("key2"));
|
|
} else {
|
|
ASSERT_EQ("CORRUPTION", GetImpl("key2"));
|
|
}
|
|
ASSERT_EQ("NOT_FOUND", Get("key3"));
|
|
ASSERT_EQ("NOT_FOUND", Get("key4"));
|
|
ASSERT_EQ("a,b,c", GetImpl("key5"));
|
|
for (int i = 6; i < 9; i++) {
|
|
ASSERT_EQ("NOT_FOUND", Get("key" + ToString(i)));
|
|
}
|
|
ASSERT_EQ("blob_index", GetBlobIndex("key9"));
|
|
dbfull()->ReleaseSnapshot(snapshot);
|
|
}
|
|
}
|
|
|
|
// Note: the following test case pertains to the StackableDB-based BlobDB
|
|
// implementation. When a blob iterator is used, it should set the
|
|
// expose_blob_index flag for the underlying DBIter, and retrieve/return the
|
|
// corresponding blob value. If a regular DBIter is created (i.e.
|
|
// expose_blob_index is not set), it should return Status::Corruption.
|
|
TEST_F(DBBlobIndexTest, Iterate) {
|
|
const std::vector<std::vector<ValueType>> data = {
|
|
/*00*/ {kTypeValue},
|
|
/*01*/ {kTypeBlobIndex},
|
|
/*02*/ {kTypeValue},
|
|
/*03*/ {kTypeBlobIndex, kTypeValue},
|
|
/*04*/ {kTypeValue},
|
|
/*05*/ {kTypeValue, kTypeBlobIndex},
|
|
/*06*/ {kTypeValue},
|
|
/*07*/ {kTypeDeletion, kTypeBlobIndex},
|
|
/*08*/ {kTypeValue},
|
|
/*09*/ {kTypeSingleDeletion, kTypeBlobIndex},
|
|
/*10*/ {kTypeValue},
|
|
/*11*/ {kTypeMerge, kTypeMerge, kTypeMerge, kTypeBlobIndex},
|
|
/*12*/ {kTypeValue},
|
|
/*13*/
|
|
{kTypeMerge, kTypeMerge, kTypeMerge, kTypeDeletion, kTypeBlobIndex},
|
|
/*14*/ {kTypeValue},
|
|
/*15*/ {kTypeBlobIndex},
|
|
/*16*/ {kTypeValue},
|
|
};
|
|
|
|
auto get_key = [](int index) {
|
|
char buf[20];
|
|
snprintf(buf, sizeof(buf), "%02d", index);
|
|
return "key" + std::string(buf);
|
|
};
|
|
|
|
auto get_value = [&](int index, int version) {
|
|
return get_key(index) + "_value" + ToString(version);
|
|
};
|
|
|
|
auto check_iterator = [&](Iterator* iterator, Status::Code expected_status,
|
|
const Slice& expected_value) {
|
|
ASSERT_EQ(expected_status, iterator->status().code());
|
|
if (expected_status == Status::kOk) {
|
|
ASSERT_TRUE(iterator->Valid());
|
|
ASSERT_EQ(expected_value, iterator->value());
|
|
} else {
|
|
ASSERT_FALSE(iterator->Valid());
|
|
}
|
|
};
|
|
|
|
auto create_normal_iterator = [&]() -> Iterator* {
|
|
return dbfull()->NewIterator(ReadOptions());
|
|
};
|
|
|
|
auto create_blob_iterator = [&]() -> Iterator* { return GetBlobIterator(); };
|
|
|
|
auto check_is_blob = [&](bool is_blob) {
|
|
return [is_blob](Iterator* iterator) {
|
|
ASSERT_EQ(is_blob,
|
|
reinterpret_cast<ArenaWrappedDBIter*>(iterator)->IsBlob());
|
|
};
|
|
};
|
|
|
|
auto verify = [&](int index, Status::Code expected_status,
|
|
const Slice& forward_value, const Slice& backward_value,
|
|
std::function<Iterator*()> create_iterator,
|
|
std::function<void(Iterator*)> extra_check = nullptr) {
|
|
// Seek
|
|
auto* iterator = create_iterator();
|
|
ASSERT_OK(iterator->Refresh());
|
|
iterator->Seek(get_key(index));
|
|
check_iterator(iterator, expected_status, forward_value);
|
|
if (extra_check) {
|
|
extra_check(iterator);
|
|
}
|
|
delete iterator;
|
|
|
|
// Next
|
|
iterator = create_iterator();
|
|
ASSERT_OK(iterator->Refresh());
|
|
iterator->Seek(get_key(index - 1));
|
|
ASSERT_TRUE(iterator->Valid());
|
|
iterator->Next();
|
|
check_iterator(iterator, expected_status, forward_value);
|
|
if (extra_check) {
|
|
extra_check(iterator);
|
|
}
|
|
delete iterator;
|
|
|
|
// SeekForPrev
|
|
iterator = create_iterator();
|
|
ASSERT_OK(iterator->Refresh());
|
|
iterator->SeekForPrev(get_key(index));
|
|
check_iterator(iterator, expected_status, backward_value);
|
|
if (extra_check) {
|
|
extra_check(iterator);
|
|
}
|
|
delete iterator;
|
|
|
|
// Prev
|
|
iterator = create_iterator();
|
|
iterator->Seek(get_key(index + 1));
|
|
ASSERT_TRUE(iterator->Valid());
|
|
iterator->Prev();
|
|
check_iterator(iterator, expected_status, backward_value);
|
|
if (extra_check) {
|
|
extra_check(iterator);
|
|
}
|
|
delete iterator;
|
|
};
|
|
|
|
for (auto tier : {Tier::kMemtable} /*kAllTiers*/) {
|
|
// Avoid values from being purged.
|
|
std::vector<const Snapshot*> snapshots;
|
|
DestroyAndReopen(GetTestOptions());
|
|
|
|
// fill data
|
|
for (int i = 0; i < static_cast<int>(data.size()); i++) {
|
|
for (int j = static_cast<int>(data[i].size()) - 1; j >= 0; j--) {
|
|
std::string key = get_key(i);
|
|
std::string value = get_value(i, j);
|
|
WriteBatch batch;
|
|
switch (data[i][j]) {
|
|
case kTypeValue:
|
|
ASSERT_OK(Put(key, value));
|
|
break;
|
|
case kTypeDeletion:
|
|
ASSERT_OK(Delete(key));
|
|
break;
|
|
case kTypeSingleDeletion:
|
|
ASSERT_OK(SingleDelete(key));
|
|
break;
|
|
case kTypeMerge:
|
|
ASSERT_OK(Merge(key, value));
|
|
break;
|
|
case kTypeBlobIndex:
|
|
ASSERT_OK(PutBlobIndex(&batch, key, value));
|
|
ASSERT_OK(Write(&batch));
|
|
break;
|
|
default:
|
|
assert(false);
|
|
};
|
|
}
|
|
snapshots.push_back(dbfull()->GetSnapshot());
|
|
}
|
|
ASSERT_OK(
|
|
dbfull()->DeleteRange(WriteOptions(), cfh(), get_key(15), get_key(16)));
|
|
snapshots.push_back(dbfull()->GetSnapshot());
|
|
MoveDataTo(tier);
|
|
|
|
// Normal iterator
|
|
verify(1, Status::kCorruption, "", "", create_normal_iterator);
|
|
verify(3, Status::kCorruption, "", "", create_normal_iterator);
|
|
verify(5, Status::kOk, get_value(5, 0), get_value(5, 0),
|
|
create_normal_iterator);
|
|
verify(7, Status::kOk, get_value(8, 0), get_value(6, 0),
|
|
create_normal_iterator);
|
|
verify(9, Status::kOk, get_value(10, 0), get_value(8, 0),
|
|
create_normal_iterator);
|
|
verify(11, Status::kNotSupported, "", "", create_normal_iterator);
|
|
verify(13, Status::kOk,
|
|
get_value(13, 2) + "," + get_value(13, 1) + "," + get_value(13, 0),
|
|
get_value(13, 2) + "," + get_value(13, 1) + "," + get_value(13, 0),
|
|
create_normal_iterator);
|
|
verify(15, Status::kOk, get_value(16, 0), get_value(14, 0),
|
|
create_normal_iterator);
|
|
|
|
// Iterator with blob support
|
|
verify(1, Status::kOk, get_value(1, 0), get_value(1, 0),
|
|
create_blob_iterator, check_is_blob(true));
|
|
verify(3, Status::kOk, get_value(3, 0), get_value(3, 0),
|
|
create_blob_iterator, check_is_blob(true));
|
|
verify(5, Status::kOk, get_value(5, 0), get_value(5, 0),
|
|
create_blob_iterator, check_is_blob(false));
|
|
verify(7, Status::kOk, get_value(8, 0), get_value(6, 0),
|
|
create_blob_iterator, check_is_blob(false));
|
|
verify(9, Status::kOk, get_value(10, 0), get_value(8, 0),
|
|
create_blob_iterator, check_is_blob(false));
|
|
verify(11, Status::kNotSupported, "", "", create_blob_iterator);
|
|
verify(13, Status::kOk,
|
|
get_value(13, 2) + "," + get_value(13, 1) + "," + get_value(13, 0),
|
|
get_value(13, 2) + "," + get_value(13, 1) + "," + get_value(13, 0),
|
|
create_blob_iterator, check_is_blob(false));
|
|
verify(15, Status::kOk, get_value(16, 0), get_value(14, 0),
|
|
create_blob_iterator, check_is_blob(false));
|
|
|
|
#ifndef ROCKSDB_LITE
|
|
// Iterator with blob support and using seek.
|
|
ASSERT_OK(dbfull()->SetOptions(
|
|
cfh(), {{"max_sequential_skip_in_iterations", "0"}}));
|
|
verify(1, Status::kOk, get_value(1, 0), get_value(1, 0),
|
|
create_blob_iterator, check_is_blob(true));
|
|
verify(3, Status::kOk, get_value(3, 0), get_value(3, 0),
|
|
create_blob_iterator, check_is_blob(true));
|
|
verify(5, Status::kOk, get_value(5, 0), get_value(5, 0),
|
|
create_blob_iterator, check_is_blob(false));
|
|
verify(7, Status::kOk, get_value(8, 0), get_value(6, 0),
|
|
create_blob_iterator, check_is_blob(false));
|
|
verify(9, Status::kOk, get_value(10, 0), get_value(8, 0),
|
|
create_blob_iterator, check_is_blob(false));
|
|
verify(11, Status::kNotSupported, "", "", create_blob_iterator);
|
|
verify(13, Status::kOk,
|
|
get_value(13, 2) + "," + get_value(13, 1) + "," + get_value(13, 0),
|
|
get_value(13, 2) + "," + get_value(13, 1) + "," + get_value(13, 0),
|
|
create_blob_iterator, check_is_blob(false));
|
|
verify(15, Status::kOk, get_value(16, 0), get_value(14, 0),
|
|
create_blob_iterator, check_is_blob(false));
|
|
#endif // !ROCKSDB_LITE
|
|
|
|
for (auto* snapshot : snapshots) {
|
|
dbfull()->ReleaseSnapshot(snapshot);
|
|
}
|
|
}
|
|
}
|
|
|
|
} // namespace ROCKSDB_NAMESPACE
|
|
|
|
int main(int argc, char** argv) {
|
|
ROCKSDB_NAMESPACE::port::InstallStackTraceHandler();
|
|
::testing::InitGoogleTest(&argc, argv);
|
|
return RUN_ALL_TESTS();
|
|
}
|
|
|