fork of https://github.com/oxigraph/rocksdb and https://github.com/facebook/rocksdb for nextgraph and oxigraph
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780 lines
25 KiB
780 lines
25 KiB
// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file. See the AUTHORS file for names of contributors.
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// Copyright (c) 2013, Facebook, Inc. All rights reserved.
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// This source code is licensed under the BSD-style license found in the
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// LICENSE file in the root directory of this source tree. An additional grant
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// of patent rights can be found in the PATENTS file in the same directory.
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//
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// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file. See the AUTHORS file for names of contributors.
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#include <algorithm>
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#include <set>
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#include "db/db_impl.h"
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#include "db/filename.h"
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#include "db/version_set.h"
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#include "db/write_batch_internal.h"
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#include "rocksdb/cache.h"
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#include "rocksdb/compaction_filter.h"
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#include "rocksdb/db.h"
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#include "rocksdb/env.h"
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#include "rocksdb/filter_policy.h"
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#include "rocksdb/slice_transform.h"
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#include "rocksdb/table.h"
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#include "table/meta_blocks.h"
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#include "table/plain_table_factory.h"
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#include "table/plain_table_reader.h"
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#include "util/hash.h"
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#include "util/logging.h"
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#include "util/mutexlock.h"
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#include "util/testharness.h"
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#include "util/testutil.h"
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#include "utilities/merge_operators.h"
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using std::unique_ptr;
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namespace rocksdb {
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class PlainTableDBTest {
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protected:
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private:
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std::string dbname_;
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Env* env_;
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DB* db_;
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Options last_options_;
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public:
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PlainTableDBTest() : env_(Env::Default()) {
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ro_.prefix_seek = true;
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dbname_ = test::TmpDir() + "/plain_table_db_test";
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ASSERT_OK(DestroyDB(dbname_, Options()));
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db_ = nullptr;
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Reopen();
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}
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~PlainTableDBTest() {
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delete db_;
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ASSERT_OK(DestroyDB(dbname_, Options()));
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}
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ReadOptions ro_;
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// Return the current option configuration.
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Options CurrentOptions() {
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Options options;
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options.table_factory.reset(NewPlainTableFactory(16, 2, 0.8, 3));
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options.prefix_extractor.reset(NewFixedPrefixTransform(8));
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options.allow_mmap_reads = true;
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return options;
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}
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DBImpl* dbfull() {
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return reinterpret_cast<DBImpl*>(db_);
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}
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void Reopen(Options* options = nullptr) {
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ASSERT_OK(TryReopen(options));
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}
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void Close() {
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delete db_;
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db_ = nullptr;
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}
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void DestroyAndReopen(Options* options = nullptr) {
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//Destroy using last options
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Destroy(&last_options_);
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ASSERT_OK(TryReopen(options));
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}
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void Destroy(Options* options) {
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delete db_;
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db_ = nullptr;
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ASSERT_OK(DestroyDB(dbname_, *options));
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}
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Status PureReopen(Options* options, DB** db) {
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return DB::Open(*options, dbname_, db);
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}
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Status TryReopen(Options* options = nullptr) {
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delete db_;
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db_ = nullptr;
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Options opts;
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if (options != nullptr) {
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opts = *options;
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} else {
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opts = CurrentOptions();
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opts.create_if_missing = true;
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}
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last_options_ = opts;
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return DB::Open(opts, dbname_, &db_);
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}
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Status Put(const Slice& k, const Slice& v) {
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return db_->Put(WriteOptions(), k, v);
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}
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Status Delete(const std::string& k) {
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return db_->Delete(WriteOptions(), k);
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}
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std::string Get(const std::string& k, const Snapshot* snapshot = nullptr) {
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ReadOptions options = ro_;
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options.snapshot = snapshot;
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std::string result;
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Status s = db_->Get(options, k, &result);
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if (s.IsNotFound()) {
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result = "NOT_FOUND";
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} else if (!s.ok()) {
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result = s.ToString();
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}
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return result;
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}
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int NumTableFilesAtLevel(int level) {
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std::string property;
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ASSERT_TRUE(
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db_->GetProperty("rocksdb.num-files-at-level" + NumberToString(level),
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&property));
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return atoi(property.c_str());
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}
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// Return spread of files per level
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std::string FilesPerLevel() {
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std::string result;
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int last_non_zero_offset = 0;
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for (int level = 0; level < db_->NumberLevels(); level++) {
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int f = NumTableFilesAtLevel(level);
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char buf[100];
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snprintf(buf, sizeof(buf), "%s%d", (level ? "," : ""), f);
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result += buf;
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if (f > 0) {
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last_non_zero_offset = result.size();
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}
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}
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result.resize(last_non_zero_offset);
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return result;
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}
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std::string IterStatus(Iterator* iter) {
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std::string result;
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if (iter->Valid()) {
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result = iter->key().ToString() + "->" + iter->value().ToString();
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} else {
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result = "(invalid)";
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}
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return result;
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}
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};
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TEST(PlainTableDBTest, Empty) {
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ASSERT_TRUE(dbfull() != nullptr);
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ASSERT_EQ("NOT_FOUND", Get("0000000000000foo"));
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}
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class TestPlainTableReader : public PlainTableReader {
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public:
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TestPlainTableReader(const EnvOptions& storage_options,
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const InternalKeyComparator& icomparator,
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uint64_t file_size, int bloom_bits_per_key,
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double hash_table_ratio, size_t index_sparseness,
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const TableProperties* table_properties,
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unique_ptr<RandomAccessFile>&& file,
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const Options& options, bool* expect_bloom_not_match)
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: PlainTableReader(options, std::move(file), storage_options, icomparator,
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file_size, bloom_bits_per_key, hash_table_ratio,
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index_sparseness, table_properties),
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expect_bloom_not_match_(expect_bloom_not_match) {
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Status s = PopulateIndex();
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ASSERT_TRUE(s.ok());
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}
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virtual ~TestPlainTableReader() {}
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private:
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virtual bool MatchBloom(uint32_t hash) const override {
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bool ret = PlainTableReader::MatchBloom(hash);
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ASSERT_TRUE(!*expect_bloom_not_match_ || !ret);
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return ret;
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}
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bool* expect_bloom_not_match_;
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};
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extern const uint64_t kPlainTableMagicNumber;
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class TestPlainTableFactory : public PlainTableFactory {
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public:
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explicit TestPlainTableFactory(bool* expect_bloom_not_match,
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uint32_t user_key_len =
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kPlainTableVariableLength,
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int bloom_bits_per_key = 0,
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double hash_table_ratio = 0.75,
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size_t index_sparseness = 16)
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: PlainTableFactory(user_key_len, user_key_len, hash_table_ratio,
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hash_table_ratio),
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bloom_bits_per_key_(bloom_bits_per_key),
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hash_table_ratio_(hash_table_ratio),
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index_sparseness_(index_sparseness),
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expect_bloom_not_match_(expect_bloom_not_match) {}
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Status NewTableReader(const Options& options, const EnvOptions& soptions,
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const InternalKeyComparator& internal_comparator,
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unique_ptr<RandomAccessFile>&& file, uint64_t file_size,
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unique_ptr<TableReader>* table) const override {
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TableProperties* props = nullptr;
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auto s = ReadTableProperties(file.get(), file_size, kPlainTableMagicNumber,
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options.env, options.info_log.get(), &props);
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ASSERT_TRUE(s.ok());
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std::unique_ptr<PlainTableReader> new_reader(new TestPlainTableReader(
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soptions, internal_comparator, file_size, bloom_bits_per_key_,
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hash_table_ratio_, index_sparseness_, props, std::move(file), options,
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expect_bloom_not_match_));
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*table = std::move(new_reader);
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return s;
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}
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private:
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int bloom_bits_per_key_;
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double hash_table_ratio_;
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size_t index_sparseness_;
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bool* expect_bloom_not_match_;
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};
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TEST(PlainTableDBTest, Flush) {
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for (int bloom_bits = 0; bloom_bits <= 117; bloom_bits += 117) {
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for (int total_order = 0; total_order <= 1; total_order++) {
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Options options = CurrentOptions();
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options.create_if_missing = true;
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// Set only one bucket to force bucket conflict.
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// Test index interval for the same prefix to be 1, 2 and 4
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if (total_order) {
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options.table_factory.reset(
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NewTotalOrderPlainTableFactory(16, bloom_bits, 2));
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} else {
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options.table_factory.reset(NewPlainTableFactory(16, bloom_bits));
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}
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DestroyAndReopen(&options);
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ASSERT_OK(Put("1000000000000foo", "v1"));
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ASSERT_OK(Put("0000000000000bar", "v2"));
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ASSERT_OK(Put("1000000000000foo", "v3"));
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dbfull()->TEST_FlushMemTable();
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ASSERT_EQ("v3", Get("1000000000000foo"));
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ASSERT_EQ("v2", Get("0000000000000bar"));
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}
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}
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}
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TEST(PlainTableDBTest, Flush2) {
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for (int bloom_bits = 0; bloom_bits <= 117; bloom_bits += 117) {
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for (int total_order = 0; total_order <= 1; total_order++) {
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bool expect_bloom_not_match = false;
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Options options = CurrentOptions();
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options.create_if_missing = true;
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// Set only one bucket to force bucket conflict.
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// Test index interval for the same prefix to be 1, 2 and 4
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if (total_order) {
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options.prefix_extractor = nullptr;
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options.table_factory.reset(new TestPlainTableFactory(
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&expect_bloom_not_match, 16, bloom_bits, 0, 2));
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} else {
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options.table_factory.reset(
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new TestPlainTableFactory(&expect_bloom_not_match, 16, bloom_bits));
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}
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DestroyAndReopen(&options);
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ASSERT_OK(Put("0000000000000bar", "b"));
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ASSERT_OK(Put("1000000000000foo", "v1"));
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dbfull()->TEST_FlushMemTable();
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ASSERT_OK(Put("1000000000000foo", "v2"));
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dbfull()->TEST_FlushMemTable();
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ASSERT_EQ("v2", Get("1000000000000foo"));
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ASSERT_OK(Put("0000000000000eee", "v3"));
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dbfull()->TEST_FlushMemTable();
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ASSERT_EQ("v3", Get("0000000000000eee"));
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ASSERT_OK(Delete("0000000000000bar"));
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dbfull()->TEST_FlushMemTable();
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ASSERT_EQ("NOT_FOUND", Get("0000000000000bar"));
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ASSERT_OK(Put("0000000000000eee", "v5"));
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ASSERT_OK(Put("9000000000000eee", "v5"));
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dbfull()->TEST_FlushMemTable();
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ASSERT_EQ("v5", Get("0000000000000eee"));
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// Test Bloom Filter
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if (bloom_bits > 0) {
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// Neither key nor value should exist.
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expect_bloom_not_match = true;
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ASSERT_EQ("NOT_FOUND", Get("5_not00000000bar"));
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// Key doesn't exist any more but prefix exists.
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if (total_order) {
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ASSERT_EQ("NOT_FOUND", Get("1000000000000not"));
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ASSERT_EQ("NOT_FOUND", Get("0000000000000not"));
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}
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expect_bloom_not_match = false;
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}
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}
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}
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}
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TEST(PlainTableDBTest, Iterator) {
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for (int bloom_bits = 0; bloom_bits <= 117; bloom_bits += 117) {
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for (int total_order = 0; total_order <= 1; total_order++) {
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bool expect_bloom_not_match = false;
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Options options = CurrentOptions();
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options.create_if_missing = true;
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// Set only one bucket to force bucket conflict.
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// Test index interval for the same prefix to be 1, 2 and 4
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if (total_order) {
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options.prefix_extractor = nullptr;
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options.table_factory.reset(new TestPlainTableFactory(
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&expect_bloom_not_match, 16, bloom_bits, 0, 2));
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} else {
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options.table_factory.reset(
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new TestPlainTableFactory(&expect_bloom_not_match, 16, bloom_bits));
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}
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DestroyAndReopen(&options);
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ASSERT_OK(Put("1000000000foo002", "v_2"));
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ASSERT_OK(Put("0000000000000bar", "random"));
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ASSERT_OK(Put("1000000000foo001", "v1"));
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ASSERT_OK(Put("3000000000000bar", "bar_v"));
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ASSERT_OK(Put("1000000000foo003", "v__3"));
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ASSERT_OK(Put("1000000000foo004", "v__4"));
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ASSERT_OK(Put("1000000000foo005", "v__5"));
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ASSERT_OK(Put("1000000000foo007", "v__7"));
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ASSERT_OK(Put("1000000000foo008", "v__8"));
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dbfull()->TEST_FlushMemTable();
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ASSERT_EQ("v1", Get("1000000000foo001"));
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ASSERT_EQ("v__3", Get("1000000000foo003"));
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Iterator* iter = dbfull()->NewIterator(ro_);
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iter->Seek("1000000000foo000");
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ASSERT_TRUE(iter->Valid());
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ASSERT_EQ("1000000000foo001", iter->key().ToString());
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ASSERT_EQ("v1", iter->value().ToString());
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iter->Next();
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ASSERT_TRUE(iter->Valid());
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ASSERT_EQ("1000000000foo002", iter->key().ToString());
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ASSERT_EQ("v_2", iter->value().ToString());
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iter->Next();
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ASSERT_TRUE(iter->Valid());
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ASSERT_EQ("1000000000foo003", iter->key().ToString());
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ASSERT_EQ("v__3", iter->value().ToString());
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iter->Next();
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ASSERT_TRUE(iter->Valid());
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ASSERT_EQ("1000000000foo004", iter->key().ToString());
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ASSERT_EQ("v__4", iter->value().ToString());
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iter->Seek("3000000000000bar");
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ASSERT_TRUE(iter->Valid());
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ASSERT_EQ("3000000000000bar", iter->key().ToString());
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ASSERT_EQ("bar_v", iter->value().ToString());
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iter->Seek("1000000000foo000");
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ASSERT_TRUE(iter->Valid());
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ASSERT_EQ("1000000000foo001", iter->key().ToString());
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ASSERT_EQ("v1", iter->value().ToString());
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iter->Seek("1000000000foo005");
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ASSERT_TRUE(iter->Valid());
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ASSERT_EQ("1000000000foo005", iter->key().ToString());
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ASSERT_EQ("v__5", iter->value().ToString());
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iter->Seek("1000000000foo006");
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ASSERT_TRUE(iter->Valid());
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ASSERT_EQ("1000000000foo007", iter->key().ToString());
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ASSERT_EQ("v__7", iter->value().ToString());
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iter->Seek("1000000000foo008");
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ASSERT_TRUE(iter->Valid());
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ASSERT_EQ("1000000000foo008", iter->key().ToString());
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ASSERT_EQ("v__8", iter->value().ToString());
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if (total_order == 0) {
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iter->Seek("1000000000foo009");
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ASSERT_TRUE(iter->Valid());
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ASSERT_EQ("3000000000000bar", iter->key().ToString());
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}
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// Test Bloom Filter
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if (bloom_bits > 0) {
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if (!total_order) {
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// Neither key nor value should exist.
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expect_bloom_not_match = true;
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iter->Seek("2not000000000bar");
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ASSERT_TRUE(!iter->Valid());
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ASSERT_EQ("NOT_FOUND", Get("2not000000000bar"));
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expect_bloom_not_match = false;
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} else {
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expect_bloom_not_match = true;
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ASSERT_EQ("NOT_FOUND", Get("2not000000000bar"));
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expect_bloom_not_match = false;
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}
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}
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delete iter;
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}
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}
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}
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// A test comparator which compare two strings in this way:
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// (1) first compare prefix of 8 bytes in alphabet order,
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// (2) if two strings share the same prefix, sort the other part of the string
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// in the reverse alphabet order.
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class SimpleSuffixReverseComparator : public Comparator {
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public:
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SimpleSuffixReverseComparator() {}
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virtual const char* Name() const { return "SimpleSuffixReverseComparator"; }
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virtual int Compare(const Slice& a, const Slice& b) const {
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Slice prefix_a = Slice(a.data(), 8);
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Slice prefix_b = Slice(b.data(), 8);
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int prefix_comp = prefix_a.compare(prefix_b);
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if (prefix_comp != 0) {
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return prefix_comp;
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} else {
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Slice suffix_a = Slice(a.data() + 8, a.size() - 8);
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Slice suffix_b = Slice(b.data() + 8, b.size() - 8);
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return -(suffix_a.compare(suffix_b));
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}
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}
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virtual void FindShortestSeparator(std::string* start,
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const Slice& limit) const {}
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virtual void FindShortSuccessor(std::string* key) const {}
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};
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TEST(PlainTableDBTest, IteratorReverseSuffixComparator) {
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Options options = CurrentOptions();
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options.create_if_missing = true;
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// Set only one bucket to force bucket conflict.
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// Test index interval for the same prefix to be 1, 2 and 4
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SimpleSuffixReverseComparator comp;
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options.comparator = ∁
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DestroyAndReopen(&options);
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ASSERT_OK(Put("1000000000foo002", "v_2"));
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ASSERT_OK(Put("0000000000000bar", "random"));
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ASSERT_OK(Put("1000000000foo001", "v1"));
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ASSERT_OK(Put("3000000000000bar", "bar_v"));
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ASSERT_OK(Put("1000000000foo003", "v__3"));
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ASSERT_OK(Put("1000000000foo004", "v__4"));
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ASSERT_OK(Put("1000000000foo005", "v__5"));
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ASSERT_OK(Put("1000000000foo007", "v__7"));
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ASSERT_OK(Put("1000000000foo008", "v__8"));
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dbfull()->TEST_FlushMemTable();
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ASSERT_EQ("v1", Get("1000000000foo001"));
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ASSERT_EQ("v__3", Get("1000000000foo003"));
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Iterator* iter = dbfull()->NewIterator(ro_);
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iter->Seek("1000000000foo009");
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ASSERT_TRUE(iter->Valid());
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ASSERT_EQ("1000000000foo008", iter->key().ToString());
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ASSERT_EQ("v__8", iter->value().ToString());
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iter->Next();
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ASSERT_TRUE(iter->Valid());
|
|
ASSERT_EQ("1000000000foo007", iter->key().ToString());
|
|
ASSERT_EQ("v__7", iter->value().ToString());
|
|
|
|
iter->Next();
|
|
ASSERT_TRUE(iter->Valid());
|
|
ASSERT_EQ("1000000000foo005", iter->key().ToString());
|
|
ASSERT_EQ("v__5", iter->value().ToString());
|
|
|
|
iter->Next();
|
|
ASSERT_TRUE(iter->Valid());
|
|
ASSERT_EQ("1000000000foo004", iter->key().ToString());
|
|
ASSERT_EQ("v__4", iter->value().ToString());
|
|
|
|
iter->Seek("3000000000000bar");
|
|
ASSERT_TRUE(iter->Valid());
|
|
ASSERT_EQ("3000000000000bar", iter->key().ToString());
|
|
ASSERT_EQ("bar_v", iter->value().ToString());
|
|
|
|
iter->Seek("1000000000foo005");
|
|
ASSERT_TRUE(iter->Valid());
|
|
ASSERT_EQ("1000000000foo005", iter->key().ToString());
|
|
ASSERT_EQ("v__5", iter->value().ToString());
|
|
|
|
iter->Seek("1000000000foo006");
|
|
ASSERT_TRUE(iter->Valid());
|
|
ASSERT_EQ("1000000000foo005", iter->key().ToString());
|
|
ASSERT_EQ("v__5", iter->value().ToString());
|
|
|
|
iter->Seek("1000000000foo008");
|
|
ASSERT_TRUE(iter->Valid());
|
|
ASSERT_EQ("1000000000foo008", iter->key().ToString());
|
|
ASSERT_EQ("v__8", iter->value().ToString());
|
|
|
|
iter->Seek("1000000000foo000");
|
|
ASSERT_TRUE(iter->Valid());
|
|
ASSERT_EQ("3000000000000bar", iter->key().ToString());
|
|
|
|
delete iter;
|
|
}
|
|
|
|
TEST(PlainTableDBTest, HashBucketConflict) {
|
|
for (unsigned char i = 1; i <= 3; i++) {
|
|
Options options = CurrentOptions();
|
|
options.create_if_missing = true;
|
|
// Set only one bucket to force bucket conflict.
|
|
// Test index interval for the same prefix to be 1, 2 and 4
|
|
options.table_factory.reset(NewTotalOrderPlainTableFactory(16, 0, 2 ^ i));
|
|
DestroyAndReopen(&options);
|
|
ASSERT_OK(Put("5000000000000fo0", "v1"));
|
|
ASSERT_OK(Put("5000000000000fo1", "v2"));
|
|
ASSERT_OK(Put("5000000000000fo2", "v"));
|
|
ASSERT_OK(Put("2000000000000fo0", "v3"));
|
|
ASSERT_OK(Put("2000000000000fo1", "v4"));
|
|
ASSERT_OK(Put("2000000000000fo2", "v"));
|
|
ASSERT_OK(Put("2000000000000fo3", "v"));
|
|
|
|
dbfull()->TEST_FlushMemTable();
|
|
|
|
ASSERT_EQ("v1", Get("5000000000000fo0"));
|
|
ASSERT_EQ("v2", Get("5000000000000fo1"));
|
|
ASSERT_EQ("v3", Get("2000000000000fo0"));
|
|
ASSERT_EQ("v4", Get("2000000000000fo1"));
|
|
|
|
ASSERT_EQ("NOT_FOUND", Get("5000000000000bar"));
|
|
ASSERT_EQ("NOT_FOUND", Get("2000000000000bar"));
|
|
ASSERT_EQ("NOT_FOUND", Get("5000000000000fo8"));
|
|
ASSERT_EQ("NOT_FOUND", Get("2000000000000fo8"));
|
|
|
|
ReadOptions ro;
|
|
Iterator* iter = dbfull()->NewIterator(ro);
|
|
|
|
iter->Seek("5000000000000fo0");
|
|
ASSERT_TRUE(iter->Valid());
|
|
ASSERT_EQ("5000000000000fo0", iter->key().ToString());
|
|
iter->Next();
|
|
ASSERT_TRUE(iter->Valid());
|
|
ASSERT_EQ("5000000000000fo1", iter->key().ToString());
|
|
|
|
iter->Seek("5000000000000fo1");
|
|
ASSERT_TRUE(iter->Valid());
|
|
ASSERT_EQ("5000000000000fo1", iter->key().ToString());
|
|
|
|
iter->Seek("2000000000000fo0");
|
|
ASSERT_TRUE(iter->Valid());
|
|
ASSERT_EQ("2000000000000fo0", iter->key().ToString());
|
|
iter->Next();
|
|
ASSERT_TRUE(iter->Valid());
|
|
ASSERT_EQ("2000000000000fo1", iter->key().ToString());
|
|
|
|
iter->Seek("2000000000000fo1");
|
|
ASSERT_TRUE(iter->Valid());
|
|
ASSERT_EQ("2000000000000fo1", iter->key().ToString());
|
|
|
|
iter->Seek("2000000000000bar");
|
|
ASSERT_TRUE(iter->Valid());
|
|
ASSERT_EQ("2000000000000fo0", iter->key().ToString());
|
|
|
|
iter->Seek("5000000000000bar");
|
|
ASSERT_TRUE(iter->Valid());
|
|
ASSERT_EQ("5000000000000fo0", iter->key().ToString());
|
|
|
|
iter->Seek("2000000000000fo8");
|
|
ASSERT_TRUE(!iter->Valid() ||
|
|
options.comparator->Compare(iter->key(), "20000001") > 0);
|
|
|
|
iter->Seek("5000000000000fo8");
|
|
ASSERT_TRUE(!iter->Valid());
|
|
|
|
iter->Seek("1000000000000fo2");
|
|
ASSERT_TRUE(!iter->Valid());
|
|
|
|
iter->Seek("3000000000000fo2");
|
|
ASSERT_TRUE(!iter->Valid());
|
|
|
|
iter->Seek("8000000000000fo2");
|
|
ASSERT_TRUE(!iter->Valid());
|
|
|
|
delete iter;
|
|
}
|
|
}
|
|
|
|
TEST(PlainTableDBTest, HashBucketConflictReverseSuffixComparator) {
|
|
for (unsigned char i = 1; i <= 3; i++) {
|
|
Options options = CurrentOptions();
|
|
options.create_if_missing = true;
|
|
SimpleSuffixReverseComparator comp;
|
|
options.comparator = ∁
|
|
// Set only one bucket to force bucket conflict.
|
|
// Test index interval for the same prefix to be 1, 2 and 4
|
|
options.table_factory.reset(NewTotalOrderPlainTableFactory(16, 0, 2 ^ i));
|
|
DestroyAndReopen(&options);
|
|
ASSERT_OK(Put("5000000000000fo0", "v1"));
|
|
ASSERT_OK(Put("5000000000000fo1", "v2"));
|
|
ASSERT_OK(Put("5000000000000fo2", "v"));
|
|
ASSERT_OK(Put("2000000000000fo0", "v3"));
|
|
ASSERT_OK(Put("2000000000000fo1", "v4"));
|
|
ASSERT_OK(Put("2000000000000fo2", "v"));
|
|
ASSERT_OK(Put("2000000000000fo3", "v"));
|
|
|
|
dbfull()->TEST_FlushMemTable();
|
|
|
|
ASSERT_EQ("v1", Get("5000000000000fo0"));
|
|
ASSERT_EQ("v2", Get("5000000000000fo1"));
|
|
ASSERT_EQ("v3", Get("2000000000000fo0"));
|
|
ASSERT_EQ("v4", Get("2000000000000fo1"));
|
|
|
|
ASSERT_EQ("NOT_FOUND", Get("5000000000000bar"));
|
|
ASSERT_EQ("NOT_FOUND", Get("2000000000000bar"));
|
|
ASSERT_EQ("NOT_FOUND", Get("5000000000000fo8"));
|
|
ASSERT_EQ("NOT_FOUND", Get("2000000000000fo8"));
|
|
|
|
ReadOptions ro;
|
|
Iterator* iter = dbfull()->NewIterator(ro);
|
|
|
|
iter->Seek("5000000000000fo1");
|
|
ASSERT_TRUE(iter->Valid());
|
|
ASSERT_EQ("5000000000000fo1", iter->key().ToString());
|
|
iter->Next();
|
|
ASSERT_TRUE(iter->Valid());
|
|
ASSERT_EQ("5000000000000fo0", iter->key().ToString());
|
|
|
|
iter->Seek("5000000000000fo1");
|
|
ASSERT_TRUE(iter->Valid());
|
|
ASSERT_EQ("5000000000000fo1", iter->key().ToString());
|
|
|
|
iter->Seek("2000000000000fo1");
|
|
ASSERT_TRUE(iter->Valid());
|
|
ASSERT_EQ("2000000000000fo1", iter->key().ToString());
|
|
iter->Next();
|
|
ASSERT_TRUE(iter->Valid());
|
|
ASSERT_EQ("2000000000000fo0", iter->key().ToString());
|
|
|
|
iter->Seek("2000000000000fo1");
|
|
ASSERT_TRUE(iter->Valid());
|
|
ASSERT_EQ("2000000000000fo1", iter->key().ToString());
|
|
|
|
iter->Seek("2000000000000var");
|
|
ASSERT_TRUE(iter->Valid());
|
|
ASSERT_EQ("2000000000000fo3", iter->key().ToString());
|
|
|
|
iter->Seek("5000000000000var");
|
|
ASSERT_TRUE(iter->Valid());
|
|
ASSERT_EQ("5000000000000fo2", iter->key().ToString());
|
|
|
|
std::string seek_key = "2000000000000bar";
|
|
iter->Seek(seek_key);
|
|
ASSERT_TRUE(!iter->Valid() ||
|
|
options.prefix_extractor->Transform(iter->key()) !=
|
|
options.prefix_extractor->Transform(seek_key));
|
|
|
|
iter->Seek("1000000000000fo2");
|
|
ASSERT_TRUE(!iter->Valid());
|
|
|
|
iter->Seek("3000000000000fo2");
|
|
ASSERT_TRUE(!iter->Valid());
|
|
|
|
iter->Seek("8000000000000fo2");
|
|
ASSERT_TRUE(!iter->Valid());
|
|
|
|
delete iter;
|
|
}
|
|
}
|
|
|
|
TEST(PlainTableDBTest, NonExistingKeyToNonEmptyBucket) {
|
|
Options options = CurrentOptions();
|
|
options.create_if_missing = true;
|
|
// Set only one bucket to force bucket conflict.
|
|
// Test index interval for the same prefix to be 1, 2 and 4
|
|
options.table_factory.reset(NewTotalOrderPlainTableFactory(16, 0, 5));
|
|
DestroyAndReopen(&options);
|
|
ASSERT_OK(Put("5000000000000fo0", "v1"));
|
|
ASSERT_OK(Put("5000000000000fo1", "v2"));
|
|
ASSERT_OK(Put("5000000000000fo2", "v3"));
|
|
|
|
dbfull()->TEST_FlushMemTable();
|
|
|
|
ASSERT_EQ("v1", Get("5000000000000fo0"));
|
|
ASSERT_EQ("v2", Get("5000000000000fo1"));
|
|
ASSERT_EQ("v3", Get("5000000000000fo2"));
|
|
|
|
ASSERT_EQ("NOT_FOUND", Get("8000000000000bar"));
|
|
ASSERT_EQ("NOT_FOUND", Get("1000000000000bar"));
|
|
|
|
Iterator* iter = dbfull()->NewIterator(ro_);
|
|
|
|
iter->Seek("5000000000000bar");
|
|
ASSERT_TRUE(iter->Valid());
|
|
ASSERT_EQ("5000000000000fo0", iter->key().ToString());
|
|
|
|
iter->Seek("5000000000000fo8");
|
|
ASSERT_TRUE(!iter->Valid());
|
|
|
|
iter->Seek("1000000000000fo2");
|
|
ASSERT_TRUE(!iter->Valid());
|
|
|
|
iter->Seek("8000000000000fo2");
|
|
ASSERT_TRUE(!iter->Valid());
|
|
|
|
delete iter;
|
|
}
|
|
|
|
static std::string Key(int i) {
|
|
char buf[100];
|
|
snprintf(buf, sizeof(buf), "key_______%06d", i);
|
|
return std::string(buf);
|
|
}
|
|
|
|
static std::string RandomString(Random* rnd, int len) {
|
|
std::string r;
|
|
test::RandomString(rnd, len, &r);
|
|
return r;
|
|
}
|
|
|
|
TEST(PlainTableDBTest, CompactionTrigger) {
|
|
Options options = CurrentOptions();
|
|
options.write_buffer_size = 100 << 10; //100KB
|
|
options.num_levels = 3;
|
|
options.max_mem_compaction_level = 0;
|
|
options.level0_file_num_compaction_trigger = 3;
|
|
Reopen(&options);
|
|
|
|
Random rnd(301);
|
|
|
|
for (int num = 0; num < options.level0_file_num_compaction_trigger - 1;
|
|
num++) {
|
|
std::vector<std::string> values;
|
|
// Write 120KB (12 values, each 10K)
|
|
for (int i = 0; i < 12; i++) {
|
|
values.push_back(RandomString(&rnd, 10000));
|
|
ASSERT_OK(Put(Key(i), values[i]));
|
|
}
|
|
dbfull()->TEST_WaitForFlushMemTable();
|
|
ASSERT_EQ(NumTableFilesAtLevel(0), num + 1);
|
|
}
|
|
|
|
//generate one more file in level-0, and should trigger level-0 compaction
|
|
std::vector<std::string> values;
|
|
for (int i = 0; i < 12; i++) {
|
|
values.push_back(RandomString(&rnd, 10000));
|
|
ASSERT_OK(Put(Key(i), values[i]));
|
|
}
|
|
dbfull()->TEST_WaitForCompact();
|
|
|
|
ASSERT_EQ(NumTableFilesAtLevel(0), 0);
|
|
ASSERT_EQ(NumTableFilesAtLevel(1), 1);
|
|
}
|
|
|
|
} // namespace rocksdb
|
|
|
|
int main(int argc, char** argv) {
|
|
return rocksdb::test::RunAllTests();
|
|
}
|
|
|