db_inplace_update_test.cc
// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
// This source code is licensed under both the GPLv2 (found in the
// COPYING file in the root directory) and Apache 2.0 License
// (found in the LICENSE.Apache file in the root directory).
//
// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file. See the AUTHORS file for names of contributors.
#include "db/db_test_util.h"
#include "port/stack_trace.h"
namespace ROCKSDB_NAMESPACE {
class DBTestInPlaceUpdate : public DBTestBase {
public:
DBTestInPlaceUpdate()
: DBTestBase("/db_inplace_update_test", /*env_do_fsync=*/true) {}
};
TEST_F(DBTestInPlaceUpdate, InPlaceUpdate) {
do {
Options options = CurrentOptions();
options.create_if_missing = true;
options.inplace_update_support = true;
options.env = env_;
options.write_buffer_size = 100000;
options.allow_concurrent_memtable_write = false;
Reopen(options);
CreateAndReopenWithCF({"pikachu"}, options);
// Update key with values of smaller size
int numValues = 10;
for (int i = numValues; i > 0; i--) {
std::string value = DummyString(i, 'a');
ASSERT_OK(Put(1, "key", value));
ASSERT_EQ(value, Get(1, "key"));
}
// Only 1 instance for that key.
validateNumberOfEntries(1, 1);
} while (ChangeCompactOptions());
}
TEST_F(DBTestInPlaceUpdate, InPlaceUpdateLargeNewValue) {
do {
Options options = CurrentOptions();
options.create_if_missing = true;
options.inplace_update_support = true;
options.env = env_;
options.write_buffer_size = 100000;
options.allow_concurrent_memtable_write = false;
Reopen(options);
CreateAndReopenWithCF({"pikachu"}, options);
// Update key with values of larger size
int numValues = 10;
for (int i = 0; i < numValues; i++) {
std::string value = DummyString(i, 'a');
ASSERT_OK(Put(1, "key", value));
ASSERT_EQ(value, Get(1, "key"));
}
// All 10 updates exist in the internal iterator
validateNumberOfEntries(numValues, 1);
} while (ChangeCompactOptions());
}
TEST_F(DBTestInPlaceUpdate, InPlaceUpdateCallbackSmallerSize) {
do {
Options options = CurrentOptions();
options.create_if_missing = true;
options.inplace_update_support = true;
options.env = env_;
options.write_buffer_size = 100000;
options.inplace_callback =
ROCKSDB_NAMESPACE::DBTestInPlaceUpdate::updateInPlaceSmallerSize;
options.allow_concurrent_memtable_write = false;
Reopen(options);
CreateAndReopenWithCF({"pikachu"}, options);
// Update key with values of smaller size
int numValues = 10;
ASSERT_OK(Put(1, "key", DummyString(numValues, 'a')));
ASSERT_EQ(DummyString(numValues, 'c'), Get(1, "key"));
for (int i = numValues; i > 0; i--) {
ASSERT_OK(Put(1, "key", DummyString(i, 'a')));
ASSERT_EQ(DummyString(i - 1, 'b'), Get(1, "key"));
}
// Only 1 instance for that key.
validateNumberOfEntries(1, 1);
} while (ChangeCompactOptions());
}
TEST_F(DBTestInPlaceUpdate, InPlaceUpdateCallbackSmallerVarintSize) {
do {
Options options = CurrentOptions();
options.create_if_missing = true;
options.inplace_update_support = true;
options.env = env_;
options.write_buffer_size = 100000;
options.inplace_callback =
ROCKSDB_NAMESPACE::DBTestInPlaceUpdate::updateInPlaceSmallerVarintSize;
options.allow_concurrent_memtable_write = false;
Reopen(options);
CreateAndReopenWithCF({"pikachu"}, options);
// Update key with values of smaller varint size
int numValues = 265;
ASSERT_OK(Put(1, "key", DummyString(numValues, 'a')));
ASSERT_EQ(DummyString(numValues, 'c'), Get(1, "key"));
for (int i = numValues; i > 0; i--) {
ASSERT_OK(Put(1, "key", DummyString(i, 'a')));
ASSERT_EQ(DummyString(1, 'b'), Get(1, "key"));
}
// Only 1 instance for that key.
validateNumberOfEntries(1, 1);
} while (ChangeCompactOptions());
}
TEST_F(DBTestInPlaceUpdate, InPlaceUpdateCallbackLargeNewValue) {
do {
Options options = CurrentOptions();
options.create_if_missing = true;
options.inplace_update_support = true;
options.env = env_;
options.write_buffer_size = 100000;
options.inplace_callback =
ROCKSDB_NAMESPACE::DBTestInPlaceUpdate::updateInPlaceLargerSize;
options.allow_concurrent_memtable_write = false;
Reopen(options);
CreateAndReopenWithCF({"pikachu"}, options);
// Update key with values of larger size
int numValues = 10;
for (int i = 0; i < numValues; i++) {
ASSERT_OK(Put(1, "key", DummyString(i, 'a')));
ASSERT_EQ(DummyString(i, 'c'), Get(1, "key"));
}
// No inplace updates. All updates are puts with new seq number
// All 10 updates exist in the internal iterator
validateNumberOfEntries(numValues, 1);
} while (ChangeCompactOptions());
}
TEST_F(DBTestInPlaceUpdate, InPlaceUpdateCallbackNoAction) {
do {
Options options = CurrentOptions();
options.create_if_missing = true;
options.inplace_update_support = true;
options.env = env_;
options.write_buffer_size = 100000;
options.inplace_callback =
ROCKSDB_NAMESPACE::DBTestInPlaceUpdate::updateInPlaceNoAction;
options.allow_concurrent_memtable_write = false;
Reopen(options);
CreateAndReopenWithCF({"pikachu"}, options);
// Callback function requests no actions from db
ASSERT_OK(Put(1, "key", DummyString(1, 'a')));
ASSERT_EQ(Get(1, "key"), "NOT_FOUND");
} while (ChangeCompactOptions());
}
} // namespace ROCKSDB_NAMESPACE
int main(int argc, char** argv) {
ROCKSDB_NAMESPACE::port::InstallStackTraceHandler();
::testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}