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rocksdb/db/range_del_aggregator_test.cc

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// Copyright (c) 2018-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).
#include "db/range_del_aggregator.h"
#include <memory>
#include <string>
#include <vector>
#include "db/db_test_util.h"
#include "db/dbformat.h"
#include "db/range_tombstone_fragmenter.h"
#include "util/testutil.h"
namespace rocksdb {
class RangeDelAggregatorTest : public testing::Test {};
namespace {
static auto bytewise_icmp = InternalKeyComparator(BytewiseComparator());
std::unique_ptr<InternalIterator> MakeRangeDelIter(
const std::vector<RangeTombstone>& range_dels) {
std::vector<std::string> keys, values;
for (const auto& range_del : range_dels) {
auto key_and_value = range_del.Serialize();
keys.push_back(key_and_value.first.Encode().ToString());
values.push_back(key_and_value.second.ToString());
}
return std::unique_ptr<test::VectorIterator>(
new test::VectorIterator(keys, values));
}
std::vector<std::unique_ptr<FragmentedRangeTombstoneList>>
MakeFragmentedTombstoneLists(
const std::vector<std::vector<RangeTombstone>>& range_dels_list) {
std::vector<std::unique_ptr<FragmentedRangeTombstoneList>> fragment_lists;
for (const auto& range_dels : range_dels_list) {
auto range_del_iter = MakeRangeDelIter(range_dels);
fragment_lists.emplace_back(new FragmentedRangeTombstoneList(
std::move(range_del_iter), bytewise_icmp));
}
return fragment_lists;
}
struct TruncatedIterScanTestCase {
ParsedInternalKey start;
ParsedInternalKey end;
SequenceNumber seq;
};
struct TruncatedIterSeekTestCase {
Slice target;
ParsedInternalKey start;
ParsedInternalKey end;
SequenceNumber seq;
bool invalid;
};
struct ShouldDeleteTestCase {
ParsedInternalKey lookup_key;
bool result;
};
struct IsRangeOverlappedTestCase {
Slice start;
Slice end;
bool result;
};
ParsedInternalKey UncutEndpoint(const Slice& s) {
return ParsedInternalKey(s, kMaxSequenceNumber, kTypeRangeDeletion);
}
ParsedInternalKey InternalValue(const Slice& key, SequenceNumber seq) {
return ParsedInternalKey(key, seq, kTypeValue);
}
void VerifyIterator(
TruncatedRangeDelIterator* iter, const InternalKeyComparator& icmp,
const std::vector<TruncatedIterScanTestCase>& expected_range_dels) {
// Test forward iteration.
iter->SeekToFirst();
for (size_t i = 0; i < expected_range_dels.size(); i++, iter->Next()) {
ASSERT_TRUE(iter->Valid());
EXPECT_EQ(0, icmp.Compare(iter->start_key(), expected_range_dels[i].start));
EXPECT_EQ(0, icmp.Compare(iter->end_key(), expected_range_dels[i].end));
EXPECT_EQ(expected_range_dels[i].seq, iter->seq());
}
EXPECT_FALSE(iter->Valid());
// Test reverse iteration.
iter->SeekToLast();
std::vector<TruncatedIterScanTestCase> reverse_expected_range_dels(
expected_range_dels.rbegin(), expected_range_dels.rend());
for (size_t i = 0; i < reverse_expected_range_dels.size();
i++, iter->Prev()) {
ASSERT_TRUE(iter->Valid());
EXPECT_EQ(0, icmp.Compare(iter->start_key(),
reverse_expected_range_dels[i].start));
EXPECT_EQ(
0, icmp.Compare(iter->end_key(), reverse_expected_range_dels[i].end));
EXPECT_EQ(reverse_expected_range_dels[i].seq, iter->seq());
}
EXPECT_FALSE(iter->Valid());
}
void VerifySeek(TruncatedRangeDelIterator* iter,
const InternalKeyComparator& icmp,
const std::vector<TruncatedIterSeekTestCase>& test_cases) {
for (const auto& test_case : test_cases) {
iter->Seek(test_case.target);
if (test_case.invalid) {
ASSERT_FALSE(iter->Valid());
} else {
ASSERT_TRUE(iter->Valid());
EXPECT_EQ(0, icmp.Compare(iter->start_key(), test_case.start));
EXPECT_EQ(0, icmp.Compare(iter->end_key(), test_case.end));
EXPECT_EQ(test_case.seq, iter->seq());
}
}
}
void VerifySeekForPrev(
TruncatedRangeDelIterator* iter, const InternalKeyComparator& icmp,
const std::vector<TruncatedIterSeekTestCase>& test_cases) {
for (const auto& test_case : test_cases) {
iter->SeekForPrev(test_case.target);
if (test_case.invalid) {
ASSERT_FALSE(iter->Valid());
} else {
ASSERT_TRUE(iter->Valid());
EXPECT_EQ(0, icmp.Compare(iter->start_key(), test_case.start));
EXPECT_EQ(0, icmp.Compare(iter->end_key(), test_case.end));
EXPECT_EQ(test_case.seq, iter->seq());
}
}
}
void VerifyShouldDelete(RangeDelAggregator* range_del_agg,
const std::vector<ShouldDeleteTestCase>& test_cases) {
for (const auto& test_case : test_cases) {
EXPECT_EQ(
test_case.result,
range_del_agg->ShouldDelete(
test_case.lookup_key, RangeDelPositioningMode::kForwardTraversal));
}
for (auto it = test_cases.rbegin(); it != test_cases.rend(); ++it) {
const auto& test_case = *it;
EXPECT_EQ(
test_case.result,
range_del_agg->ShouldDelete(
test_case.lookup_key, RangeDelPositioningMode::kBackwardTraversal));
}
}
void VerifyIsRangeOverlapped(
ReadRangeDelAggregator* range_del_agg,
const std::vector<IsRangeOverlappedTestCase>& test_cases) {
for (const auto& test_case : test_cases) {
EXPECT_EQ(test_case.result,
range_del_agg->IsRangeOverlapped(test_case.start, test_case.end));
}
}
void CheckIterPosition(const RangeTombstone& tombstone,
const FragmentedRangeTombstoneIterator* iter) {
// Test InternalIterator interface.
EXPECT_EQ(tombstone.start_key_, ExtractUserKey(iter->key()));
EXPECT_EQ(tombstone.end_key_, iter->value());
EXPECT_EQ(tombstone.seq_, iter->seq());
// Test FragmentedRangeTombstoneIterator interface.
EXPECT_EQ(tombstone.start_key_, iter->start_key());
EXPECT_EQ(tombstone.end_key_, iter->end_key());
EXPECT_EQ(tombstone.seq_, GetInternalKeySeqno(iter->key()));
}
void VerifyFragmentedRangeDels(
FragmentedRangeTombstoneIterator* iter,
const std::vector<RangeTombstone>& expected_tombstones) {
iter->SeekToFirst();
for (size_t i = 0; i < expected_tombstones.size(); i++, iter->Next()) {
ASSERT_TRUE(iter->Valid());
CheckIterPosition(expected_tombstones[i], iter);
}
EXPECT_FALSE(iter->Valid());
}
} // namespace
TEST_F(RangeDelAggregatorTest, EmptyTruncatedIter) {
auto range_del_iter = MakeRangeDelIter({});
FragmentedRangeTombstoneList fragment_list(std::move(range_del_iter),
bytewise_icmp);
std::unique_ptr<FragmentedRangeTombstoneIterator> input_iter(
new FragmentedRangeTombstoneIterator(&fragment_list, bytewise_icmp,
kMaxSequenceNumber));
TruncatedRangeDelIterator iter(std::move(input_iter), &bytewise_icmp, nullptr,
nullptr);
iter.SeekToFirst();
ASSERT_FALSE(iter.Valid());
iter.SeekToLast();
ASSERT_FALSE(iter.Valid());
}
TEST_F(RangeDelAggregatorTest, UntruncatedIter) {
auto range_del_iter =
MakeRangeDelIter({{"a", "e", 10}, {"e", "g", 8}, {"j", "n", 4}});
FragmentedRangeTombstoneList fragment_list(std::move(range_del_iter),
bytewise_icmp);
std::unique_ptr<FragmentedRangeTombstoneIterator> input_iter(
new FragmentedRangeTombstoneIterator(&fragment_list, bytewise_icmp,
kMaxSequenceNumber));
TruncatedRangeDelIterator iter(std::move(input_iter), &bytewise_icmp, nullptr,
nullptr);
VerifyIterator(&iter, bytewise_icmp,
{{UncutEndpoint("a"), UncutEndpoint("e"), 10},
{UncutEndpoint("e"), UncutEndpoint("g"), 8},
{UncutEndpoint("j"), UncutEndpoint("n"), 4}});
VerifySeek(
&iter, bytewise_icmp,
{{"d", UncutEndpoint("a"), UncutEndpoint("e"), 10},
{"e", UncutEndpoint("e"), UncutEndpoint("g"), 8},
{"ia", UncutEndpoint("j"), UncutEndpoint("n"), 4},
{"n", UncutEndpoint(""), UncutEndpoint(""), 0, true /* invalid */},
{"", UncutEndpoint("a"), UncutEndpoint("e"), 10}});
VerifySeekForPrev(
&iter, bytewise_icmp,
{{"d", UncutEndpoint("a"), UncutEndpoint("e"), 10},
{"e", UncutEndpoint("e"), UncutEndpoint("g"), 8},
{"ia", UncutEndpoint("e"), UncutEndpoint("g"), 8},
{"n", UncutEndpoint("j"), UncutEndpoint("n"), 4},
{"", UncutEndpoint(""), UncutEndpoint(""), 0, true /* invalid */}});
}
TEST_F(RangeDelAggregatorTest, UntruncatedIterWithSnapshot) {
auto range_del_iter =
MakeRangeDelIter({{"a", "e", 10}, {"e", "g", 8}, {"j", "n", 4}});
FragmentedRangeTombstoneList fragment_list(std::move(range_del_iter),
bytewise_icmp);
std::unique_ptr<FragmentedRangeTombstoneIterator> input_iter(
new FragmentedRangeTombstoneIterator(&fragment_list, bytewise_icmp,
9 /* snapshot */));
TruncatedRangeDelIterator iter(std::move(input_iter), &bytewise_icmp, nullptr,
nullptr);
VerifyIterator(&iter, bytewise_icmp,
{{UncutEndpoint("e"), UncutEndpoint("g"), 8},
{UncutEndpoint("j"), UncutEndpoint("n"), 4}});
VerifySeek(
&iter, bytewise_icmp,
{{"d", UncutEndpoint("e"), UncutEndpoint("g"), 8},
{"e", UncutEndpoint("e"), UncutEndpoint("g"), 8},
{"ia", UncutEndpoint("j"), UncutEndpoint("n"), 4},
{"n", UncutEndpoint(""), UncutEndpoint(""), 0, true /* invalid */},
{"", UncutEndpoint("e"), UncutEndpoint("g"), 8}});
VerifySeekForPrev(
&iter, bytewise_icmp,
{{"d", UncutEndpoint(""), UncutEndpoint(""), 0, true /* invalid */},
{"e", UncutEndpoint("e"), UncutEndpoint("g"), 8},
{"ia", UncutEndpoint("e"), UncutEndpoint("g"), 8},
{"n", UncutEndpoint("j"), UncutEndpoint("n"), 4},
{"", UncutEndpoint(""), UncutEndpoint(""), 0, true /* invalid */}});
}
TEST_F(RangeDelAggregatorTest, TruncatedIterPartiallyCutTombstones) {
auto range_del_iter =
MakeRangeDelIter({{"a", "e", 10}, {"e", "g", 8}, {"j", "n", 4}});
FragmentedRangeTombstoneList fragment_list(std::move(range_del_iter),
bytewise_icmp);
std::unique_ptr<FragmentedRangeTombstoneIterator> input_iter(
new FragmentedRangeTombstoneIterator(&fragment_list, bytewise_icmp,
kMaxSequenceNumber));
InternalKey smallest("d", 7, kTypeValue);
InternalKey largest("m", 9, kTypeValue);
TruncatedRangeDelIterator iter(std::move(input_iter), &bytewise_icmp,
&smallest, &largest);
VerifyIterator(&iter, bytewise_icmp,
{{InternalValue("d", 7), UncutEndpoint("e"), 10},
{UncutEndpoint("e"), UncutEndpoint("g"), 8},
{UncutEndpoint("j"), InternalValue("m", 8), 4}});
VerifySeek(
&iter, bytewise_icmp,
{{"d", InternalValue("d", 7), UncutEndpoint("e"), 10},
{"e", UncutEndpoint("e"), UncutEndpoint("g"), 8},
{"ia", UncutEndpoint("j"), InternalValue("m", 8), 4},
{"n", UncutEndpoint(""), UncutEndpoint(""), 0, true /* invalid */},
{"", InternalValue("d", 7), UncutEndpoint("e"), 10}});
VerifySeekForPrev(
&iter, bytewise_icmp,
{{"d", InternalValue("d", 7), UncutEndpoint("e"), 10},
{"e", UncutEndpoint("e"), UncutEndpoint("g"), 8},
{"ia", UncutEndpoint("e"), UncutEndpoint("g"), 8},
{"n", UncutEndpoint("j"), InternalValue("m", 8), 4},
{"", UncutEndpoint(""), UncutEndpoint(""), 0, true /* invalid */}});
}
TEST_F(RangeDelAggregatorTest, TruncatedIterFullyCutTombstones) {
auto range_del_iter =
MakeRangeDelIter({{"a", "e", 10}, {"e", "g", 8}, {"j", "n", 4}});
FragmentedRangeTombstoneList fragment_list(std::move(range_del_iter),
bytewise_icmp);
std::unique_ptr<FragmentedRangeTombstoneIterator> input_iter(
new FragmentedRangeTombstoneIterator(&fragment_list, bytewise_icmp,
kMaxSequenceNumber));
InternalKey smallest("f", 7, kTypeValue);
InternalKey largest("i", 9, kTypeValue);
TruncatedRangeDelIterator iter(std::move(input_iter), &bytewise_icmp,
&smallest, &largest);
VerifyIterator(&iter, bytewise_icmp,
{{InternalValue("f", 7), UncutEndpoint("g"), 8}});
VerifySeek(
&iter, bytewise_icmp,
{{"d", InternalValue("f", 7), UncutEndpoint("g"), 8},
{"f", InternalValue("f", 7), UncutEndpoint("g"), 8},
{"j", UncutEndpoint(""), UncutEndpoint(""), 0, true /* invalid */}});
VerifySeekForPrev(
&iter, bytewise_icmp,
{{"d", UncutEndpoint(""), UncutEndpoint(""), 0, true /* invalid */},
{"f", InternalValue("f", 7), UncutEndpoint("g"), 8},
{"j", InternalValue("f", 7), UncutEndpoint("g"), 8}});
}
TEST_F(RangeDelAggregatorTest, SingleIterInAggregator) {
auto range_del_iter = MakeRangeDelIter({{"a", "e", 10}, {"c", "g", 8}});
FragmentedRangeTombstoneList fragment_list(std::move(range_del_iter),
bytewise_icmp);
std::unique_ptr<FragmentedRangeTombstoneIterator> input_iter(
new FragmentedRangeTombstoneIterator(&fragment_list, bytewise_icmp,
kMaxSequenceNumber));
ReadRangeDelAggregator range_del_agg(&bytewise_icmp, kMaxSequenceNumber);
range_del_agg.AddTombstones(std::move(input_iter));
VerifyShouldDelete(&range_del_agg, {{InternalValue("a", 19), false},
{InternalValue("b", 9), true},
{InternalValue("d", 9), true},
{InternalValue("e", 7), true},
{InternalValue("g", 7), false}});
VerifyIsRangeOverlapped(&range_del_agg, {{"", "_", false},
{"_", "a", true},
{"a", "c", true},
{"d", "f", true},
{"g", "l", false}});
}
TEST_F(RangeDelAggregatorTest, MultipleItersInAggregator) {
auto fragment_lists = MakeFragmentedTombstoneLists(
{{{"a", "e", 10}, {"c", "g", 8}},
{{"a", "b", 20}, {"h", "i", 25}, {"ii", "j", 15}}});
ReadRangeDelAggregator range_del_agg(&bytewise_icmp, kMaxSequenceNumber);
for (const auto& fragment_list : fragment_lists) {
std::unique_ptr<FragmentedRangeTombstoneIterator> input_iter(
new FragmentedRangeTombstoneIterator(fragment_list.get(), bytewise_icmp,
kMaxSequenceNumber));
range_del_agg.AddTombstones(std::move(input_iter));
}
VerifyShouldDelete(&range_del_agg, {{InternalValue("a", 19), true},
{InternalValue("b", 19), false},
{InternalValue("b", 9), true},
{InternalValue("d", 9), true},
{InternalValue("e", 7), true},
{InternalValue("g", 7), false},
{InternalValue("h", 24), true},
{InternalValue("i", 24), false},
{InternalValue("ii", 14), true},
{InternalValue("j", 14), false}});
VerifyIsRangeOverlapped(&range_del_agg, {{"", "_", false},
{"_", "a", true},
{"a", "c", true},
{"d", "f", true},
{"g", "l", true},
{"x", "y", false}});
}
TEST_F(RangeDelAggregatorTest, MultipleItersInAggregatorWithUpperBound) {
auto fragment_lists = MakeFragmentedTombstoneLists(
{{{"a", "e", 10}, {"c", "g", 8}},
{{"a", "b", 20}, {"h", "i", 25}, {"ii", "j", 15}}});
ReadRangeDelAggregator range_del_agg(&bytewise_icmp, 19);
for (const auto& fragment_list : fragment_lists) {
std::unique_ptr<FragmentedRangeTombstoneIterator> input_iter(
new FragmentedRangeTombstoneIterator(fragment_list.get(), bytewise_icmp,
19 /* snapshot */));
range_del_agg.AddTombstones(std::move(input_iter));
}
VerifyShouldDelete(&range_del_agg, {{InternalValue("a", 19), false},
{InternalValue("a", 9), true},
{InternalValue("b", 9), true},
{InternalValue("d", 9), true},
{InternalValue("e", 7), true},
{InternalValue("g", 7), false},
{InternalValue("h", 24), false},
{InternalValue("i", 24), false},
{InternalValue("ii", 14), true},
{InternalValue("j", 14), false}});
VerifyIsRangeOverlapped(&range_del_agg, {{"", "_", false},
{"_", "a", true},
{"a", "c", true},
{"d", "f", true},
{"g", "l", true},
{"x", "y", false}});
}
TEST_F(RangeDelAggregatorTest, MultipleTruncatedItersInAggregator) {
auto fragment_lists = MakeFragmentedTombstoneLists(
{{{"a", "z", 10}}, {{"a", "z", 10}}, {{"a", "z", 10}}});
std::vector<std::pair<InternalKey, InternalKey>> iter_bounds = {
{InternalKey("a", 4, kTypeValue),
InternalKey("m", kMaxSequenceNumber, kTypeRangeDeletion)},
{InternalKey("m", 20, kTypeValue),
InternalKey("x", kMaxSequenceNumber, kTypeRangeDeletion)},
{InternalKey("x", 5, kTypeValue), InternalKey("zz", 30, kTypeValue)}};
ReadRangeDelAggregator range_del_agg(&bytewise_icmp, 19);
for (size_t i = 0; i < fragment_lists.size(); i++) {
const auto& fragment_list = fragment_lists[i];
const auto& bounds = iter_bounds[i];
std::unique_ptr<FragmentedRangeTombstoneIterator> input_iter(
new FragmentedRangeTombstoneIterator(fragment_list.get(), bytewise_icmp,
19 /* snapshot */));
range_del_agg.AddTombstones(std::move(input_iter), &bounds.first,
&bounds.second);
}
VerifyShouldDelete(&range_del_agg, {{InternalValue("a", 10), false},
{InternalValue("a", 9), false},
{InternalValue("a", 4), true},
{InternalValue("m", 10), false},
{InternalValue("m", 9), true},
{InternalValue("x", 10), false},
{InternalValue("x", 9), false},
{InternalValue("x", 5), true},
{InternalValue("z", 9), false}});
VerifyIsRangeOverlapped(&range_del_agg, {{"", "_", false},
{"_", "a", true},
{"a", "n", true},
{"l", "x", true},
{"w", "z", true},
{"zzz", "zz", false},
{"zz", "zzz", false}});
}
TEST_F(RangeDelAggregatorTest, MultipleTruncatedItersInAggregatorSameLevel) {
auto fragment_lists = MakeFragmentedTombstoneLists(
{{{"a", "z", 10}}, {{"a", "z", 10}}, {{"a", "z", 10}}});
std::vector<std::pair<InternalKey, InternalKey>> iter_bounds = {
{InternalKey("a", 4, kTypeValue),
InternalKey("m", kMaxSequenceNumber, kTypeRangeDeletion)},
{InternalKey("m", 20, kTypeValue),
InternalKey("x", kMaxSequenceNumber, kTypeRangeDeletion)},
{InternalKey("x", 5, kTypeValue), InternalKey("zz", 30, kTypeValue)}};
ReadRangeDelAggregator range_del_agg(&bytewise_icmp, 19);
auto add_iter_to_agg = [&](size_t i) {
std::unique_ptr<FragmentedRangeTombstoneIterator> input_iter(
new FragmentedRangeTombstoneIterator(fragment_lists[i].get(),
bytewise_icmp, 19 /* snapshot */));
range_del_agg.AddTombstones(std::move(input_iter), &iter_bounds[i].first,
&iter_bounds[i].second);
};
add_iter_to_agg(0);
VerifyShouldDelete(&range_del_agg, {{InternalValue("a", 10), false},
{InternalValue("a", 9), false},
{InternalValue("a", 4), true}});
add_iter_to_agg(1);
VerifyShouldDelete(&range_del_agg, {{InternalValue("m", 10), false},
{InternalValue("m", 9), true}});
add_iter_to_agg(2);
VerifyShouldDelete(&range_del_agg, {{InternalValue("x", 10), false},
{InternalValue("x", 9), false},
{InternalValue("x", 5), true},
{InternalValue("z", 9), false}});
VerifyIsRangeOverlapped(&range_del_agg, {{"", "_", false},
{"_", "a", true},
{"a", "n", true},
{"l", "x", true},
{"w", "z", true},
{"zzz", "zz", false},
{"zz", "zzz", false}});
}
TEST_F(RangeDelAggregatorTest, CompactionAggregatorNoSnapshots) {
auto fragment_lists = MakeFragmentedTombstoneLists(
{{{"a", "e", 10}, {"c", "g", 8}},
{{"a", "b", 20}, {"h", "i", 25}, {"ii", "j", 15}}});
std::vector<SequenceNumber> snapshots;
CompactionRangeDelAggregator range_del_agg(&bytewise_icmp, snapshots);
for (const auto& fragment_list : fragment_lists) {
std::unique_ptr<FragmentedRangeTombstoneIterator> input_iter(
new FragmentedRangeTombstoneIterator(fragment_list.get(), bytewise_icmp,
kMaxSequenceNumber));
range_del_agg.AddTombstones(std::move(input_iter));
}
VerifyShouldDelete(&range_del_agg, {{InternalValue("a", 19), true},
{InternalValue("b", 19), false},
{InternalValue("b", 9), true},
{InternalValue("d", 9), true},
{InternalValue("e", 7), true},
{InternalValue("g", 7), false},
{InternalValue("h", 24), true},
{InternalValue("i", 24), false},
{InternalValue("ii", 14), true},
{InternalValue("j", 14), false}});
auto range_del_compaction_iter = range_del_agg.NewIterator();
VerifyFragmentedRangeDels(range_del_compaction_iter.get(), {{"a", "b", 20},
{"b", "c", 10},
{"c", "e", 10},
{"e", "g", 8},
{"h", "i", 25},
{"ii", "j", 15}});
}
TEST_F(RangeDelAggregatorTest, CompactionAggregatorWithSnapshots) {
auto fragment_lists = MakeFragmentedTombstoneLists(
{{{"a", "e", 10}, {"c", "g", 8}},
{{"a", "b", 20}, {"h", "i", 25}, {"ii", "j", 15}}});
std::vector<SequenceNumber> snapshots{9, 19};
CompactionRangeDelAggregator range_del_agg(&bytewise_icmp, snapshots);
for (const auto& fragment_list : fragment_lists) {
std::unique_ptr<FragmentedRangeTombstoneIterator> input_iter(
new FragmentedRangeTombstoneIterator(fragment_list.get(), bytewise_icmp,
kMaxSequenceNumber));
range_del_agg.AddTombstones(std::move(input_iter));
}
VerifyShouldDelete(
&range_del_agg,
{
{InternalValue("a", 19), false}, // [10, 19]
{InternalValue("a", 9), false}, // [0, 9]
{InternalValue("b", 9), false}, // [0, 9]
{InternalValue("d", 9), false}, // [0, 9]
{InternalValue("d", 7), true}, // [0, 9]
{InternalValue("e", 7), true}, // [0, 9]
{InternalValue("g", 7), false}, // [0, 9]
{InternalValue("h", 24), true}, // [20, kMaxSequenceNumber]
{InternalValue("i", 24), false}, // [20, kMaxSequenceNumber]
{InternalValue("ii", 14), true}, // [10, 19]
{InternalValue("j", 14), false} // [10, 19]
});
auto range_del_compaction_iter = range_del_agg.NewIterator();
VerifyFragmentedRangeDels(range_del_compaction_iter.get(), {{"a", "b", 20},
{"a", "b", 10},
{"b", "c", 10},
{"c", "e", 10},
{"c", "e", 8},
{"e", "g", 8},
{"h", "i", 25},
{"ii", "j", 15}});
}
TEST_F(RangeDelAggregatorTest, CompactionAggregatorEmptyIteratorLeft) {
auto fragment_lists = MakeFragmentedTombstoneLists(
{{{"a", "e", 10}, {"c", "g", 8}},
{{"a", "b", 20}, {"h", "i", 25}, {"ii", "j", 15}}});
std::vector<SequenceNumber> snapshots{9, 19};
CompactionRangeDelAggregator range_del_agg(&bytewise_icmp, snapshots);
for (const auto& fragment_list : fragment_lists) {
std::unique_ptr<FragmentedRangeTombstoneIterator> input_iter(
new FragmentedRangeTombstoneIterator(fragment_list.get(), bytewise_icmp,
kMaxSequenceNumber));
range_del_agg.AddTombstones(std::move(input_iter));
}
Slice start("_");
Slice end("__");
}
TEST_F(RangeDelAggregatorTest, CompactionAggregatorEmptyIteratorRight) {
auto fragment_lists = MakeFragmentedTombstoneLists(
{{{"a", "e", 10}, {"c", "g", 8}},
{{"a", "b", 20}, {"h", "i", 25}, {"ii", "j", 15}}});
std::vector<SequenceNumber> snapshots{9, 19};
CompactionRangeDelAggregator range_del_agg(&bytewise_icmp, snapshots);
for (const auto& fragment_list : fragment_lists) {
std::unique_ptr<FragmentedRangeTombstoneIterator> input_iter(
new FragmentedRangeTombstoneIterator(fragment_list.get(), bytewise_icmp,
kMaxSequenceNumber));
range_del_agg.AddTombstones(std::move(input_iter));
}
Slice start("p");
Slice end("q");
auto range_del_compaction_iter1 =
range_del_agg.NewIterator(&start, &end, false /* end_key_inclusive */);
VerifyFragmentedRangeDels(range_del_compaction_iter1.get(), {});
auto range_del_compaction_iter2 =
range_del_agg.NewIterator(&start, &end, true /* end_key_inclusive */);
VerifyFragmentedRangeDels(range_del_compaction_iter2.get(), {});
}
TEST_F(RangeDelAggregatorTest, CompactionAggregatorBoundedIterator) {
auto fragment_lists = MakeFragmentedTombstoneLists(
{{{"a", "e", 10}, {"c", "g", 8}},
{{"a", "b", 20}, {"h", "i", 25}, {"ii", "j", 15}}});
std::vector<SequenceNumber> snapshots{9, 19};
CompactionRangeDelAggregator range_del_agg(&bytewise_icmp, snapshots);
for (const auto& fragment_list : fragment_lists) {
std::unique_ptr<FragmentedRangeTombstoneIterator> input_iter(
new FragmentedRangeTombstoneIterator(fragment_list.get(), bytewise_icmp,
kMaxSequenceNumber));
range_del_agg.AddTombstones(std::move(input_iter));
}
Slice start("bb");
Slice end("e");
auto range_del_compaction_iter1 =
range_del_agg.NewIterator(&start, &end, false /* end_key_inclusive */);
VerifyFragmentedRangeDels(range_del_compaction_iter1.get(),
{{"a", "c", 10}, {"c", "e", 10}, {"c", "e", 8}});
auto range_del_compaction_iter2 =
range_del_agg.NewIterator(&start, &end, true /* end_key_inclusive */);
VerifyFragmentedRangeDels(
range_del_compaction_iter2.get(),
{{"a", "c", 10}, {"c", "e", 10}, {"c", "e", 8}, {"e", "g", 8}});
}
TEST_F(RangeDelAggregatorTest,
CompactionAggregatorBoundedIteratorExtraFragments) {
auto fragment_lists = MakeFragmentedTombstoneLists(
{{{"a", "d", 10}, {"c", "g", 8}},
{{"b", "c", 20}, {"d", "f", 30}, {"h", "i", 25}, {"ii", "j", 15}}});
std::vector<SequenceNumber> snapshots{9, 19};
CompactionRangeDelAggregator range_del_agg(&bytewise_icmp, snapshots);
for (const auto& fragment_list : fragment_lists) {
std::unique_ptr<FragmentedRangeTombstoneIterator> input_iter(
new FragmentedRangeTombstoneIterator(fragment_list.get(), bytewise_icmp,
kMaxSequenceNumber));
range_del_agg.AddTombstones(std::move(input_iter));
}
Slice start("bb");
Slice end("e");
auto range_del_compaction_iter1 =
range_del_agg.NewIterator(&start, &end, false /* end_key_inclusive */);
VerifyFragmentedRangeDels(range_del_compaction_iter1.get(), {{"a", "b", 10},
{"b", "c", 20},
{"b", "c", 10},
{"c", "d", 10},
{"c", "d", 8},
{"d", "f", 30},
{"d", "f", 8},
{"f", "g", 8}});
auto range_del_compaction_iter2 =
range_del_agg.NewIterator(&start, &end, true /* end_key_inclusive */);
VerifyFragmentedRangeDels(range_del_compaction_iter2.get(), {{"a", "b", 10},
{"b", "c", 20},
{"b", "c", 10},
{"c", "d", 10},
{"c", "d", 8},
{"d", "f", 30},
{"d", "f", 8},
{"f", "g", 8}});
}
} // namespace rocksdb
int main(int argc, char** argv) {
::testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}
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