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doris/be/test/olap/rowset/alpha_rowset_test.cpp
lichaoyong 0d48a3961c Refactor Storage Engine (#1478) 
NOTE: This patch would modify all Backend's data.
And this will cause a very long time to restart be.
So if you want to interferer your product environment,
you should upgrade backend one by one.

1. Refactoring be is to clarify the structure the codes.
2. Use unique id to indicate a rowset.
   Nameing rowset with tablet_id and version will lead to
   many conflicts among compaction, clone, restore.
3. Extract an rowset interface to encapsulate rowsets
   with different format.
2019-07-15 21:18:22 +08:00

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// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the License for the
// specific language governing permissions and limitations
// under the License.
#include <string>
#include <sstream>
#include <fstream>
#include "gtest/gtest.h"
#include "gmock/gmock.h"
#include "boost/filesystem.hpp"
#include "json2pb/json_to_pb.h"
#include "util/logging.h"
#include "olap/olap_meta.h"
#include "olap/rowset/rowset_writer_context.h"
#include "olap/rowset/rowset_reader_context.h"
#include "olap/rowset/alpha_rowset.h"
#include "olap/rowset/alpha_rowset_writer.h"
#include "olap/rowset/alpha_rowset_reader.h"
#include "olap/data_dir.h"
#include "olap/storage_engine.h"
#ifndef BE_TEST
#define BE_TEST
#endif
using ::testing::_;
using ::testing::Return;
using ::testing::SetArgPointee;
using std::string;
namespace doris {
static const uint32_t MAX_PATH_LEN = 1024;
StorageEngine* k_engine = nullptr;
void set_up() {
config::path_gc_check = false;
char buffer[MAX_PATH_LEN];
getcwd(buffer, MAX_PATH_LEN);
config::storage_root_path = std::string(buffer) + "/data_test";
remove_all_dir(config::storage_root_path);
OLAPStatus res = create_dir(config::storage_root_path);
ASSERT_EQ(OLAP_SUCCESS, res);
std::vector<StorePath> paths;
paths.emplace_back(config::storage_root_path, -1);
std::string data_path = config::storage_root_path + "/data";
res = create_dir(data_path);
ASSERT_EQ(OLAP_SUCCESS, res);
std::string shard_path = data_path + "/0";
res = create_dir(shard_path);
ASSERT_EQ(OLAP_SUCCESS, res);
std::string tablet_path = shard_path + "/12345";
res = create_dir(tablet_path);
ASSERT_EQ(OLAP_SUCCESS, res);
std::string schema_hash_path = tablet_path + "/1111";
res = create_dir(schema_hash_path);
ASSERT_EQ(OLAP_SUCCESS, res);
doris::EngineOptions options;
options.store_paths = paths;
doris::StorageEngine::open(options, &k_engine);
}
void tear_down() {
delete k_engine;
k_engine = nullptr;
remove_all_dir(config::storage_root_path);
remove_all_dir(std::string(getenv("DORIS_HOME")) + UNUSED_PREFIX);
}
void create_rowset_writer_context(TabletSchema* tablet_schema, DataDir* data_dir,
RowsetWriterContext* rowset_writer_context) {
rowset_writer_context->rowset_id = 10000;
rowset_writer_context->tablet_id = 12345;
rowset_writer_context->tablet_schema_hash = 1111;
rowset_writer_context->partition_id = 10;
rowset_writer_context->rowset_type = ALPHA_ROWSET;
rowset_writer_context->rowset_path_prefix = config::storage_root_path + "/data/0/12345/1111";
rowset_writer_context->rowset_state = VISIBLE;
rowset_writer_context->data_dir = data_dir;
rowset_writer_context->tablet_schema = tablet_schema;
rowset_writer_context->version.first = 0;
rowset_writer_context->version.second = 1;
rowset_writer_context->version_hash = 110;
}
void create_rowset_reader_context(TabletSchema* tablet_schema, const std::vector<uint32_t>* return_columns,
const DeleteHandler* delete_handler, std::vector<ColumnPredicate*>* predicates,
std::set<uint32_t>* load_bf_columns, Conditions* conditions, RowsetReaderContext* rowset_reader_context) {
rowset_reader_context->reader_type = READER_ALTER_TABLE;
rowset_reader_context->tablet_schema = tablet_schema;
rowset_reader_context->preaggregation = false;
rowset_reader_context->return_columns = return_columns;
rowset_reader_context->delete_handler = delete_handler;
rowset_reader_context->is_using_cache = false;
rowset_reader_context->lower_bound_keys = nullptr;
rowset_reader_context->is_lower_keys_included = nullptr;
rowset_reader_context->upper_bound_keys = nullptr;
rowset_reader_context->is_upper_keys_included = nullptr;
rowset_reader_context->predicates = predicates;
rowset_reader_context->load_bf_columns = load_bf_columns;
rowset_reader_context->conditions = conditions;
rowset_reader_context->lru_cache = k_engine->index_stream_lru_cache();
}
void create_tablet_schema(KeysType keys_type, TabletSchema* tablet_schema) {
TabletSchemaPB tablet_schema_pb;
tablet_schema_pb.set_keys_type(keys_type);
tablet_schema_pb.set_num_short_key_columns(2);
tablet_schema_pb.set_num_rows_per_row_block(1024);
tablet_schema_pb.set_compress_kind(COMPRESS_NONE);
tablet_schema_pb.set_next_column_unique_id(4);
ColumnPB* column_1 = tablet_schema_pb.add_column();
column_1->set_unique_id(1);
column_1->set_name("k1");
column_1->set_type("INT");
column_1->set_is_key(true);
column_1->set_is_nullable(true);
column_1->set_is_bf_column(false);
ColumnPB* column_2 = tablet_schema_pb.add_column();
column_2->set_unique_id(2);
column_2->set_name("k2");
column_2->set_type("VARCHAR");
column_2->set_length(20);
column_2->set_is_key(true);
column_2->set_is_nullable(true);
column_2->set_is_bf_column(false);
ColumnPB* column_3 = tablet_schema_pb.add_column();
column_3->set_unique_id(3);
column_3->set_name("v1");
column_3->set_type("INT");
column_3->set_is_key(false);
column_3->set_is_nullable(false);
column_3->set_is_bf_column(false);
column_3->set_aggregation("SUM");
tablet_schema->init_from_pb(tablet_schema_pb);
}
class AlphaRowsetTest : public testing::Test {
public:
virtual void SetUp() {
set_up();
_data_dir = k_engine->get_store(config::storage_root_path);
ASSERT_TRUE(_data_dir != nullptr);
_alpha_rowset_writer = new(std::nothrow) AlphaRowsetWriter();
_mem_tracker.reset(new MemTracker(-1));
_mem_pool.reset(new MemPool(_mem_tracker.get()));
}
virtual void TearDown() {
delete _alpha_rowset_writer;
_alpha_rowset_writer = nullptr;
tear_down();
}
private:
DataDir* _data_dir;
AlphaRowsetWriter* _alpha_rowset_writer;
std::unique_ptr<MemTracker> _mem_tracker;
std::unique_ptr<MemPool> _mem_pool;
};
/*
TEST_F(AlphaRowsetTest, TestAlphaRowsetWriter) {
TabletSchema tablet_schema;
create_tablet_schema(AGG_KEYS, &tablet_schema);
RowsetWriterContext rowset_writer_context;
create_rowset_writer_context(&tablet_schema, _data_dir, &rowset_writer_context);
_alpha_rowset_writer->init(rowset_writer_context);
RowCursor row;
OLAPStatus res = row.init(tablet_schema);
ASSERT_EQ(OLAP_SUCCESS, res);
int32_t field_0 = 10;
row.set_field_content(0, reinterpret_cast<char*>(&field_0), _mem_pool.get());
Slice field_1("well");
row.set_field_content(1, reinterpret_cast<char*>(&field_1), _mem_pool.get());
int32_t field_2 = 100;
row.set_field_content(2, reinterpret_cast<char*>(&field_2), _mem_pool.get());
_alpha_rowset_writer->add_row(&row);
_alpha_rowset_writer->flush();
RowsetSharedPtr alpha_rowset = _alpha_rowset_writer->build();
ASSERT_TRUE(alpha_rowset != nullptr);
ASSERT_EQ(10000, alpha_rowset->rowset_id());
ASSERT_EQ(1, alpha_rowset->num_rows());
}
*/
TEST_F(AlphaRowsetTest, TestAlphaRowsetReader) {
TabletSchema tablet_schema;
create_tablet_schema(AGG_KEYS, &tablet_schema);
RowsetWriterContext rowset_writer_context;
create_rowset_writer_context(&tablet_schema, _data_dir, &rowset_writer_context);
_alpha_rowset_writer->init(rowset_writer_context);
RowCursor row;
OLAPStatus res = row.init(tablet_schema);
ASSERT_EQ(OLAP_SUCCESS, res);
int32_t field_0 = 10;
row.set_field_content(0, reinterpret_cast<char*>(&field_0), _mem_pool.get());
Slice field_1("well");
row.set_field_content(1, reinterpret_cast<char*>(&field_1), _mem_pool.get());
int32_t field_2 = 100;
row.set_field_content(2, reinterpret_cast<char*>(&field_2), _mem_pool.get());
_alpha_rowset_writer->add_row(&row);
_alpha_rowset_writer->flush();
RowsetSharedPtr alpha_rowset = _alpha_rowset_writer->build();
ASSERT_TRUE(alpha_rowset != nullptr);
ASSERT_EQ(10000, alpha_rowset->rowset_id());
ASSERT_EQ(1, alpha_rowset->num_rows());
RowsetReaderSharedPtr rowset_reader = alpha_rowset->create_reader();
ASSERT_TRUE(rowset_reader != nullptr);
std::vector<uint32_t> return_columns;
for (int i = 0; i < tablet_schema.num_columns(); ++i) {
return_columns.push_back(i);
}
DeleteHandler delete_handler;
DelPredicateArray predicate_array;
res = delete_handler.init(tablet_schema, predicate_array, 4);
ASSERT_EQ(OLAP_SUCCESS, res);
RowsetReaderContext rowset_reader_context;
std::set<uint32_t> load_bf_columns;
std::vector<ColumnPredicate*> predicates;
Conditions conditions;
create_rowset_reader_context(&tablet_schema, &return_columns, &delete_handler,
&predicates, &load_bf_columns, &conditions, &rowset_reader_context);
res = rowset_reader->init(&rowset_reader_context);
ASSERT_EQ(OLAP_SUCCESS, res);
RowBlock* row_block = nullptr;
res = rowset_reader->next_block(&row_block);
ASSERT_EQ(OLAP_SUCCESS, res);
ASSERT_EQ(1, row_block->remaining());
}
} // namespace doris
int main(int argc, char **argv) {
std::string conffile = std::string(getenv("DORIS_HOME")) + "/conf/be.conf";
if (!doris::config::init(conffile.c_str(), false)) {
fprintf(stderr, "error read config file. \n");
return -1;
}
doris::init_glog("be-test");
::testing::InitGoogleTest(&argc, argv);
int ret = RUN_ALL_TESTS();
google::protobuf::ShutdownProtobufLibrary();
return ret;
}
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