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oceanbase/unittest/storage/memtable/test_memtable_basic.cpp
obdev 2754b76deb Split logstream_freeze and tablet_freeze
2023-01-12 19:02:33 +08:00

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/**
* Copyright (c) 2021 OceanBase
* OceanBase CE is licensed under Mulan PubL v2.
* You can use this software according to the terms and conditions of the Mulan PubL v2.
* You may obtain a copy of Mulan PubL v2 at:
* http://license.coscl.org.cn/MulanPubL-2.0
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
* See the Mulan PubL v2 for more details.
*/
#include <cstdint>
#include <gtest/gtest.h>
#define private public
#define protected public
#include "lib/ob_errno.h"
#include "common/rowkey/ob_store_rowkey.h"
#include "share/rc/ob_tenant_base.h"
#include "storage/ls/ob_freezer.h"
#include "storage/memtable/ob_memtable.h"
#include "storage/tablet/ob_tablet_memtable_mgr.h"
#include "storage/tx_storage/ob_tenant_freezer.h"
#include "storage/blocksstable/ob_datum_row.h"
#include "storage/memtable/ob_memtable_context.h"
#include "storage/tx/ob_trans_part_ctx.h"
#include "storage/tx/ob_multi_data_source.h"
#include "storage/tx/ob_trans_define_v4.h"
#include "storage/memtable/mvcc/ob_mvcc_row.h"
#include "share/scn.h"
#include "storage/ls/ob_ls.h"
namespace oceanbase
{
using namespace storage;
using namespace blocksstable;
using namespace memtable;
using namespace transaction;
namespace common
{
// override the function
int ObGMemstoreAllocator::set_memstore_threshold_without_lock(uint64_t tenant_id)
{
int64_t memstore_threshold = INT64_MAX;
arena_.set_memstore_threshold(memstore_threshold);
return OB_SUCCESS;
}
void* ObGMemstoreAllocator::alloc(AllocHandle& handle, int64_t size)
{
int64_t align_size = upper_align(size, sizeof(int64_t));
if (!handle.is_id_valid()) {
COMMON_LOG(TRACE, "MTALLOC.first_alloc", KP(&handle.mt_));
LockGuard guard(lock_);
if (!handle.is_id_valid()) {
handle.set_clock(arena_.retired());
hlist_.set_active(handle);
}
}
if (arena_.allocator_ == nullptr) {
if (arena_.init(OB_SERVER_TENANT_ID) != OB_SUCCESS) {
abort();
}
}
return arena_.alloc(handle.id_, handle.arena_handle_, align_size);
}
} // end common
namespace storage
{
// override the function make it do nothing
int ObTenantFreezer::unset_tenant_slow_freeze(const common::ObTabletID &tablet_id)
{
UNUSED(tablet_id);
return OB_SUCCESS;
}
int ObTxTableGuard::init(ObTxTable *tx_table)
{
tx_table_ = tx_table;
epoch_ = 0;
return OB_SUCCESS;
}
} // end storage
namespace memtable
{
int ObMvccRow::check_double_insert_(const share::SCN ,
ObMvccTransNode &,
ObMvccTransNode *)
{
return OB_SUCCESS;
}
} // end memtable
class TestMemtable : public testing::Test
{
public:
TestMemtable() : tenant_base_(1001),tablet_id_(1000),rowkey_cnt_(1) { freezer_.init(&ls_); }
void SetUp() override {
share::ObTenantEnv::set_tenant(&tenant_base_);
// mock columns
EXPECT_EQ(OB_SUCCESS, mock_col_desc());
// mock iterator parameter
EXPECT_EQ(OB_SUCCESS, mock_iter_param());
}
void TearDown() override {
reset_iter_param();
columns_.reset();
share::ObTenantEnv::set_tenant(nullptr);
}
int init_memtable(ObMemtable &mt_table)
{
ObITable::TableKey table_key;
table_key.table_type_ = ObITable::DATA_MEMTABLE;
table_key.tablet_id_ = ObTabletID(tablet_id_.id());
table_key.scn_range_.start_scn_ = share::SCN::base_scn();
table_key.scn_range_.end_scn_ = share::SCN::max_scn();
int64_t schema_version = 1;
uint32_t freeze_clock = 0;
return mt_table.init(table_key, nullptr, &freezer_, &memtable_mgr_, schema_version, freeze_clock);
}
int mock_col_desc()
{
share::schema::ObColDesc col_desc;
col_desc.col_id_ = OB_APP_MIN_COLUMN_ID;
col_desc.col_type_.set_type(ObIntType);
col_desc.col_type_.set_collation_type(CS_TYPE_UTF8MB4_BIN);
columns_.push_back(col_desc);
share::schema::ObColDesc col_desc2;
col_desc2.col_id_ = OB_APP_MIN_COLUMN_ID + 1;
col_desc2.col_type_.set_type(ObIntType);
col_desc2.col_type_.set_collation_type(CS_TYPE_UTF8MB4_BIN);
columns_.push_back(col_desc2);
return OB_SUCCESS;
}
int mock_row(const int64_t key,
const int64_t value,
ObDatumRowkey &rowkey,
ObStoreRow &row)
{
rowkey_datums_[0].set_int(key);
//rowkey_datums_[1].set_int(value);
rowkey.assign(rowkey_datums_, 1);
ObObj *obj = new ObObj[2];
obj[0].set_int(key);
obj[1].set_int(value);
row.row_val_.cells_ = obj;
row.row_val_.count_ = 2;
row.row_val_.projector_ = NULL;
row.flag_.set_flag(ObDmlFlag::DF_INSERT);
rowkey.store_rowkey_.assign(obj, 1);
return OB_SUCCESS;
}
int mock_iter_param()
{
// iter_param_.rowkey_cnt_ = rowkey_cnt_;
iter_param_.tablet_id_ = tablet_id_;
iter_param_.table_id_ = tablet_id_.id();
read_info_.init(allocator_, 16000, rowkey_cnt_, false, columns_);
iter_param_.read_info_ = &read_info_;
return OB_SUCCESS;
}
void reset_iter_param()
{
iter_param_.reset();
read_info_.reset();
}
public:
ObLS ls_;
share::ObTenantBase tenant_base_;
storage::ObFreezer freezer_;
storage::ObTabletMemtableMgr memtable_mgr_;
ObTabletID tablet_id_;
const int64_t rowkey_cnt_;
ObTableIterParam iter_param_;
ObSEArray<share::schema::ObColDesc, 2> columns_;
ObStorageDatum rowkey_datums_[2];
ObTableReadInfo read_info_;
ObArenaAllocator allocator_;
MemtableIDMap ctx_map_;
};
class RunCtxGuard
{
public:
int init(int64_t trans_id, TestMemtable *tm) {
tm_ = tm;
trans_ctx_.trans_id_ = ObTransID(trans_id);
mem_ctx_.set_trans_ctx(&trans_ctx_);
return mem_ctx_.init(MTL_ID());
}
int write(int64_t key, int64_t val, ObMemtable &mt, ObDatumRowkey &row_key, int64_t snapshot_version = 1000) {
ObStoreCtx store_ctx;
ObTxSnapshot snapshot;
ObTxTableGuard tx_table_guard;
tx_table_guard.init((ObTxTable*)0x100);
snapshot.version_.convert_for_gts(snapshot_version);
store_ctx.mvcc_acc_ctx_.init_write(trans_ctx_,
mem_ctx_,
tx_desc_.tx_id_,
1000,
tx_desc_,
tx_table_guard,
snapshot,
INT64_MAX,
INT64_MAX);
ObTableStoreIterator table_iter;
store_ctx.table_iter_ = &table_iter;
ObStoreRow write_row;
tm_->mock_row(key, val, row_key, write_row);
return mt.set_(store_ctx, tm_->tablet_id_.id(), tm_->read_info_, tm_->columns_, write_row, NULL, NULL);
}
int write(int64_t key, int64_t val, ObMemtable &mt, int64_t snapshot_version = 1000) {
ObDatumRowkey row_key;
return write(key, val, mt, row_key, snapshot_version);
}
int write(int64_t key, int64_t val, ObMemtable &mt, ObMvccRow *&mvcc_row, int64_t snapshot_version = 1000) {
int ret = OB_SUCCESS;
ObDatumRowkey row_key;
ObMemtableKey mtk;
ObMemtableKey stored_key;
if (OB_FAIL(ret = write(key, val, mt, row_key, snapshot_version))) {
} else if (OB_FAIL(mtk.encode(tm_->columns_, &row_key.get_store_rowkey()))) {
} else if (OB_FAIL(mt.query_engine_.get(&mtk, mvcc_row, &stored_key))) {
}
return ret;
}
int read(int64_t key, int64_t &val, ObMemtable &mt, int64_t tx_id = -1, int64_t snapshot = INT64_MAX) {
int ret = OB_SUCCESS;
ObStorageDatum rowkey_datums[2];
ObDatumRowkey row_key;
rowkey_datums[0].set_int(key);
//rowkey_datums_[1].set_int(value);
row_key.assign(rowkey_datums, 1);
ObMemtableKey mtk;
ObMemtableKey stored_key;
ObMvccRow *mvcc_row = nullptr;
if (OB_FAIL(mtk.encode(tm_->columns_, &row_key.get_store_rowkey()))) {
} else if (OB_FAIL(mt.query_engine_.get(&mtk, mvcc_row, &stored_key))) {
} else {
auto trans_node = mvcc_row->list_head_;
while (trans_node != nullptr) {
if (trans_node->is_aborted()) {
trans_node = trans_node->prev_;
} else if (trans_node->is_committed()) {
if (trans_node->trans_version_.get_val_for_logservice() <= snapshot) {
break;
} else {
trans_node = trans_node->prev_;
}
} else if (trans_node->tx_id_.get_id() == tx_id) {
// skip sql_no compare
//if (trans_node->seq_no__ <= snapshot) {
break;
} else {
if (snapshot < trans_node->trans_version_.get_val_for_logservice()) {
trans_node = trans_node->prev_;
} else {
ret = OB_ERR_SHARED_LOCK_CONFLICT;
break;
}
}
if (OB_SUCC(ret)) {
if (trans_node != nullptr) {
//val = trans_node->buf_;
} else {
ret = OB_ENTRY_NOT_EXIST;
}
}
}
}
return ret;
}
TestMemtable *tm_;
ObPartTransCtx trans_ctx_;
ObMemtableCtx mem_ctx_;
ObTxDesc tx_desc_;
};
void print(ObMvccRow *mvcc_row)
{
printf("-----------mvcc row %p------------------\n", mvcc_row);
ObMvccTransNode *node = mvcc_row->get_list_head();
while (node != nullptr) {
printf("%p tx_id:%ld trans_version:%ld log_ts:%ld prev:%p next:%p version:%ld\n",
node, node->tx_id_.get_id(), node->trans_version_.get_val_for_logservice(),
node->scn_.get_val_for_logservice(), node->prev_, node->next_, node->version_);
node = node->prev_;
}
printf("\n");
}
// test for init memtable
TEST_F(TestMemtable, init_mt)
{
ObMemtable mt_table;
EXPECT_EQ(OB_SUCCESS, init_memtable(mt_table));
}
TEST_F(TestMemtable, mt_set)
{
ObMemtable mt;
EXPECT_EQ(OB_SUCCESS, init_memtable(mt));
RunCtxGuard rg;
EXPECT_EQ(OB_SUCCESS, rg.init(1, this));
ObMvccRow *mvcc_row = nullptr;
EXPECT_EQ(OB_SUCCESS, rg.write(1, 2, mt, mvcc_row));
print(mvcc_row);
EXPECT_EQ(1, rg.mem_ctx_.trans_mgr_.get_main_list_length());
EXPECT_EQ(OB_SUCCESS, rg.write(1, 3, mt));
print(mvcc_row);
EXPECT_EQ(2, rg.mem_ctx_.trans_mgr_.get_main_list_length());
share::SCN val_1000;
val_1000.convert_for_logservice(1000);
EXPECT_EQ(OB_SUCCESS, rg.mem_ctx_.do_trans_end(true, val_1000, val_1000, 0));
print(mvcc_row);
}
TEST_F(TestMemtable, conflict)
{
ObMemtable mt;
EXPECT_EQ(OB_SUCCESS, init_memtable(mt));
RunCtxGuard rg;
EXPECT_EQ(OB_SUCCESS, rg.init(1, this));
ObMvccRow *mvcc_row = nullptr;
EXPECT_EQ(OB_SUCCESS, rg.write(1, 2, mt, mvcc_row));
RunCtxGuard rg2;
EXPECT_EQ(OB_SUCCESS, rg2.init(2, this));
EXPECT_EQ(OB_ERR_EXCLUSIVE_LOCK_CONFLICT, rg2.write(1, 3, mt));
share::SCN val_1000;
val_1000.convert_for_logservice(1000);
EXPECT_EQ(OB_SUCCESS, rg.mem_ctx_.do_trans_end(true, val_1000, val_1000, 0));
EXPECT_EQ(OB_TRANSACTION_SET_VIOLATION, rg2.write(1, 3, mt, 900));
EXPECT_EQ(OB_SUCCESS, rg2.write(1, 3, mt, 1000));
EXPECT_EQ(OB_SUCCESS, rg2.write(1, 4, mt, 1001));
share::SCN val_1002;
val_1002.convert_for_logservice(1002);
EXPECT_EQ(OB_SUCCESS, rg2.mem_ctx_.do_trans_end(true, val_1002, val_1002, 0));
print(mvcc_row);
}
TEST_F(TestMemtable, except)
{
ObMemtable mt;
EXPECT_EQ(OB_SUCCESS, init_memtable(mt));
RunCtxGuard rg;
EXPECT_EQ(OB_SUCCESS, rg.init(1, this));
ObMvccRow *mvcc_row = nullptr;
share::SCN val_900;
val_900.convert_for_logservice(900);
EXPECT_EQ(OB_SUCCESS, rg.write(1, 2, mt, mvcc_row, 1000));
EXPECT_EQ(OB_SUCCESS, rg.mem_ctx_.do_trans_end(true, val_900, val_900, 0));
RunCtxGuard rg2;
EXPECT_EQ(OB_SUCCESS, rg2.init(2, this));
EXPECT_EQ(OB_SUCCESS, rg2.write(1, 3, mt, 1000));
EXPECT_EQ(OB_SUCCESS, rg2.mem_ctx_.do_trans_end(true, val_900, val_900, 0));
print(mvcc_row);
RunCtxGuard rg3;
EXPECT_EQ(OB_SUCCESS, rg3.init(3, this));
EXPECT_EQ(OB_SUCCESS, rg3.write(1, 4, mt, 900));
EXPECT_EQ(OB_SUCCESS, rg3.mem_ctx_.do_trans_end(true, val_900, val_900, 0));
print(mvcc_row);
}
TEST_F(TestMemtable, multi_key)
{
ObMemtable mt;
EXPECT_EQ(OB_SUCCESS, init_memtable(mt));
RunCtxGuard rg;
EXPECT_EQ(OB_SUCCESS, rg.init(1, this));
share::SCN val_900;
val_900.convert_for_logservice(900);
ObMvccRow *mvcc_row = nullptr;
ObMvccRow *mvcc_row2 = nullptr;
EXPECT_EQ(OB_SUCCESS, rg.write(1, 10, mt, mvcc_row, 1000));
EXPECT_EQ(OB_SUCCESS, rg.write(2, 20, mt, mvcc_row2, 1000));
EXPECT_EQ(OB_SUCCESS, rg.mem_ctx_.do_trans_end(true, val_900, val_900, 0));
print(mvcc_row);
print(mvcc_row2);
RunCtxGuard rg2;
EXPECT_EQ(OB_SUCCESS, rg2.init(2, this));
EXPECT_EQ(OB_SUCCESS, rg2.write(1, 100, mt, 1000));
EXPECT_EQ(OB_SUCCESS, rg2.write(2, 200, mt, 1000));
EXPECT_EQ(OB_SUCCESS, rg2.mem_ctx_.do_trans_end(true, val_900, val_900, 0));
print(mvcc_row);
print(mvcc_row2);
}
}// end of oceanbase
int main(int argc, char **argv)
{
const char* log_file_name = "test_memtable_basic.log";
system("rm -rf test_memtable_basic.log*");
OB_LOGGER.set_file_name(log_file_name, true, false, log_file_name, log_file_name);
OB_LOGGER.set_log_level("INFO");
::testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}
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