6df589b446
Summary: It is experimental. Allow users to return from a call back function TablePropertiesCollector::NeedCompact(), based on the data in the file. It can be used to allow users to suggest DB to clear up delete tombstones faster. Test Plan: Add a unit test. Reviewers: igor, yhchiang, kradhakrishnan, rven Reviewed By: rven Subscribers: yoshinorim, MarkCallaghan, maykov, leveldb, dhruba Differential Revision: https://reviews.facebook.net/D39585
74 lines
2.2 KiB
C++
74 lines
2.2 KiB
C++
// 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 "db/version_edit.h"
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#include "util/testharness.h"
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namespace rocksdb {
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static void TestEncodeDecode(const VersionEdit& edit) {
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std::string encoded, encoded2;
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edit.EncodeTo(&encoded);
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VersionEdit parsed;
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Status s = parsed.DecodeFrom(encoded);
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ASSERT_TRUE(s.ok()) << s.ToString();
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parsed.EncodeTo(&encoded2);
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ASSERT_EQ(encoded, encoded2);
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}
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class VersionEditTest : public testing::Test {};
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TEST_F(VersionEditTest, EncodeDecode) {
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static const uint64_t kBig = 1ull << 50;
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static const uint32_t kBig32Bit = 1ull << 30;
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VersionEdit edit;
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for (int i = 0; i < 4; i++) {
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TestEncodeDecode(edit);
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edit.AddFile(3, kBig + 300 + i, kBig32Bit + 400 + i, 0,
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InternalKey("foo", kBig + 500 + i, kTypeValue),
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InternalKey("zoo", kBig + 600 + i, kTypeDeletion),
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kBig + 500 + i, kBig + 600 + i, false);
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edit.DeleteFile(4, kBig + 700 + i);
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}
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edit.SetComparatorName("foo");
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edit.SetLogNumber(kBig + 100);
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edit.SetNextFile(kBig + 200);
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edit.SetLastSequence(kBig + 1000);
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TestEncodeDecode(edit);
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}
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TEST_F(VersionEditTest, EncodeEmptyFile) {
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VersionEdit edit;
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edit.AddFile(0, 0, 0, 0, InternalKey(), InternalKey(), 0, 0, false);
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std::string buffer;
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ASSERT_TRUE(!edit.EncodeTo(&buffer));
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}
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TEST_F(VersionEditTest, ColumnFamilyTest) {
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VersionEdit edit;
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edit.SetColumnFamily(2);
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edit.AddColumnFamily("column_family");
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edit.SetMaxColumnFamily(5);
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TestEncodeDecode(edit);
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edit.Clear();
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edit.SetColumnFamily(3);
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edit.DropColumnFamily();
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TestEncodeDecode(edit);
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}
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} // namespace rocksdb
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int main(int argc, char** argv) {
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::testing::InitGoogleTest(&argc, argv);
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return RUN_ALL_TESTS();
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}
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