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doris/be/test/olap/rowset/beta_rowset_test.cpp
Yingchun Lai e4dc2ec440 [StorageEngine] Make StorageEngine::open return more detailed info (#3761) 
StorageEngine::open just return a very vague status info when failed,
we have to check logs to find out the root reason, and it's not
convenient to check logs if we run unit tests in CI dockers.
It would be better to return more detailed failure info to point out
the root reason, for example, it may return error status with message
"file descriptors limit is too small".
2020-06-07 10:21:33 +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 <vector>
#include "gen_cpp/olap_file.pb.h"
#include "gtest/gtest.h"
#include "olap/data_dir.h"
#include "olap/row_block.h"
#include "olap/rowset/beta_rowset_reader.h"
#include "olap/rowset/rowset_factory.h"
#include "olap/rowset/rowset_reader_context.h"
#include "olap/rowset/rowset_writer.h"
#include "olap/rowset/rowset_writer_context.h"
#include "olap/row_cursor.h"
#include "olap/storage_engine.h"
#include "olap/tablet_schema.h"
#include "olap/utils.h"
#include "olap/comparison_predicate.h"
#include "runtime/exec_env.h"
#include "runtime/mem_tracker.h"
#include "runtime/mem_pool.h"
#include "util/file_utils.h"
#include "util/slice.h"
using std::string;
namespace doris {
static const uint32_t MAX_PATH_LEN = 1024;
StorageEngine* k_engine = nullptr;
class BetaRowsetTest : public testing::Test {
protected:
OlapReaderStatistics _stats;
void SetUp() override {
config::tablet_map_shard_size = 1;
config::txn_map_shard_size = 1;
config::txn_shard_size = 1;
char buffer[MAX_PATH_LEN];
getcwd(buffer, MAX_PATH_LEN);
config::storage_root_path = std::string(buffer) + "/data_test";
ASSERT_TRUE(FileUtils::remove_all(config::storage_root_path).ok());
ASSERT_TRUE(FileUtils::create_dir(config::storage_root_path).ok());
std::vector<StorePath> paths;
paths.emplace_back(config::storage_root_path, -1);
doris::EngineOptions options;
options.store_paths = paths;
Status s = doris::StorageEngine::open(options, &k_engine);
ASSERT_TRUE(s.ok()) << s.to_string();
ExecEnv* exec_env = doris::ExecEnv::GetInstance();
exec_env->set_storage_engine(k_engine);
const string rowset_dir = "./data_test/data/beta_rowset_test";
ASSERT_TRUE(FileUtils::create_dir(rowset_dir).ok());
}
void TearDown() override {
if (FileUtils::check_exist(config::storage_root_path)) {
ASSERT_TRUE(FileUtils::remove_all(config::storage_root_path).ok());
}
}
// (k1 int, k2 varchar(20), k3 int) duplicated key (k1, k2)
void create_tablet_schema(TabletSchema* tablet_schema) {
TabletSchemaPB tablet_schema_pb;
tablet_schema_pb.set_keys_type(DUP_KEYS);
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_length(4);
column_1->set_index_length(4);
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("INT"); // TODO change to varchar(20) when dict encoding for string is supported
column_2->set_length(4);
column_2->set_index_length(4);
column_2->set_is_nullable(true);
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_length(4);
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);
}
void create_rowset_writer_context(TabletSchema* tablet_schema,
RowsetWriterContext* rowset_writer_context) {
RowsetId rowset_id;
rowset_id.init(10000);
rowset_writer_context->rowset_id = rowset_id;
rowset_writer_context->tablet_id = 12345;
rowset_writer_context->tablet_schema_hash = 1111;
rowset_writer_context->partition_id = 10;
rowset_writer_context->rowset_type = BETA_ROWSET;
rowset_writer_context->rowset_path_prefix = "./data_test/data/beta_rowset_test";
rowset_writer_context->rowset_state = VISIBLE;
rowset_writer_context->tablet_schema = tablet_schema;
rowset_writer_context->version.first = 10;
rowset_writer_context->version.second = 10;
}
void create_and_init_rowset_reader(Rowset* rowset, RowsetReaderContext& context, RowsetReaderSharedPtr* result) {
auto s = rowset->create_reader(result);
ASSERT_EQ(OLAP_SUCCESS, s);
ASSERT_TRUE(*result != nullptr);
s = (*result)->init(&context);
ASSERT_EQ(OLAP_SUCCESS, s);
}
};
TEST_F(BetaRowsetTest, BasicFunctionTest) {
OLAPStatus s;
TabletSchema tablet_schema;
create_tablet_schema(&tablet_schema);
RowsetSharedPtr rowset;
const int num_segments = 3;
const uint32_t rows_per_segment = 4096;
{ // write `num_segments * rows_per_segment` rows to rowset
RowsetWriterContext writer_context;
create_rowset_writer_context(&tablet_schema, &writer_context);
std::unique_ptr<RowsetWriter> rowset_writer;
s = RowsetFactory::create_rowset_writer(writer_context, &rowset_writer);
ASSERT_EQ(OLAP_SUCCESS, s);
RowCursor input_row;
input_row.init(tablet_schema);
// for segment "i", row "rid"
// k1 := rid*10 + i
// k2 := k1 * 10
// k3 := 4096 * i + rid
for (int i = 0; i < num_segments; ++i) {
MemTracker mem_tracker(-1);
MemPool mem_pool(&mem_tracker);
for (int rid = 0; rid < rows_per_segment; ++rid) {
uint32_t k1 = rid * 10 + i;
uint32_t k2 = k1 * 10;
uint32_t k3 = rows_per_segment * i + rid;
input_row.set_field_content(0, reinterpret_cast<char*>(&k1), &mem_pool);
input_row.set_field_content(1, reinterpret_cast<char*>(&k2), &mem_pool);
input_row.set_field_content(2, reinterpret_cast<char*>(&k3), &mem_pool);
s = rowset_writer->add_row(input_row);
ASSERT_EQ(OLAP_SUCCESS, s);
}
s = rowset_writer->flush();
ASSERT_EQ(OLAP_SUCCESS, s);
}
rowset = rowset_writer->build();
ASSERT_TRUE(rowset != nullptr);
ASSERT_EQ(num_segments, rowset->rowset_meta()->num_segments());
ASSERT_EQ(num_segments * rows_per_segment, rowset->rowset_meta()->num_rows());
}
{ // test return ordered results and return k1 and k2
RowsetReaderContext reader_context;
reader_context.tablet_schema = &tablet_schema;
reader_context.need_ordered_result = true;
std::vector<uint32_t> return_columns = {0, 1};
reader_context.return_columns = &return_columns;
reader_context.seek_columns = &return_columns;
reader_context.stats = &_stats;
// without predicates
{
RowsetReaderSharedPtr rowset_reader;
create_and_init_rowset_reader(rowset.get(), reader_context, &rowset_reader);
RowBlock* output_block;
uint32_t num_rows_read = 0;
while ((s = rowset_reader->next_block(&output_block)) == OLAP_SUCCESS) {
ASSERT_TRUE(output_block != nullptr);
ASSERT_GT(output_block->row_num(), 0);
ASSERT_EQ(0, output_block->pos());
ASSERT_EQ(output_block->row_num(), output_block->limit());
ASSERT_EQ(return_columns, output_block->row_block_info().column_ids);
// after sort merge segments, k1 will be 0, 1, 2, 10, 11, 12, 20, 21, 22, ..., 40950, 40951, 40952
for (int i = 0; i < output_block->row_num(); ++i) {
char* field1 = output_block->field_ptr(i, 0);
char* field2 = output_block->field_ptr(i, 1);
// test null bit
ASSERT_FALSE(*reinterpret_cast<bool*>(field1));
ASSERT_FALSE(*reinterpret_cast<bool*>(field2));
uint32_t k1 = *reinterpret_cast<uint32_t*>(field1 + 1);
uint32_t k2 = *reinterpret_cast<uint32_t*>(field2 + 1);
ASSERT_EQ(k1 * 10, k2);
int rid = num_rows_read / 3;
int seg_id = num_rows_read % 3;
ASSERT_EQ(rid * 10 + seg_id, k1);
num_rows_read++;
}
}
EXPECT_EQ(OLAP_ERR_DATA_EOF, s);
EXPECT_TRUE(output_block == nullptr);
EXPECT_EQ(rowset->rowset_meta()->num_rows(), num_rows_read);
}
// merge segments with predicates
{
std::vector<ColumnPredicate*> column_predicates;
// column predicate: k1 = 10
std::unique_ptr<ColumnPredicate> predicate(new EqualPredicate<int32_t>(0, 10));
column_predicates.emplace_back(predicate.get());
reader_context.predicates = &column_predicates;
RowsetReaderSharedPtr rowset_reader;
create_and_init_rowset_reader(rowset.get(), reader_context, &rowset_reader);
RowBlock* output_block;
uint32_t num_rows_read = 0;
while ((s = rowset_reader->next_block(&output_block)) == OLAP_SUCCESS) {
ASSERT_TRUE(output_block != nullptr);
ASSERT_EQ(1, output_block->row_num());
ASSERT_EQ(0, output_block->pos());
ASSERT_EQ(output_block->row_num(), output_block->limit());
ASSERT_EQ(return_columns, output_block->row_block_info().column_ids);
// after sort merge segments, k1 will be 10
for (int i = 0; i < output_block->row_num(); ++i) {
char* field1 = output_block->field_ptr(i, 0);
char* field2 = output_block->field_ptr(i, 1);
// test null bit
ASSERT_FALSE(*reinterpret_cast<bool*>(field1));
ASSERT_FALSE(*reinterpret_cast<bool*>(field2));
uint32_t k1 = *reinterpret_cast<uint32_t*>(field1 + 1);
uint32_t k2 = *reinterpret_cast<uint32_t*>(field2 + 1);
ASSERT_EQ(10, k1);
ASSERT_EQ(k1 * 10, k2);
num_rows_read++;
}
}
EXPECT_EQ(OLAP_ERR_DATA_EOF, s);
EXPECT_TRUE(output_block == nullptr);
EXPECT_EQ(1, num_rows_read);
}
}
{ // test return unordered data and only k3
RowsetReaderContext reader_context;
reader_context.tablet_schema = &tablet_schema;
reader_context.need_ordered_result = false;
std::vector<uint32_t> return_columns = {2};
reader_context.return_columns = &return_columns;
reader_context.seek_columns = &return_columns;
reader_context.stats = &_stats;
// without predicate
{
RowsetReaderSharedPtr rowset_reader;
create_and_init_rowset_reader(rowset.get(), reader_context, &rowset_reader);
RowBlock* output_block;
uint32_t num_rows_read = 0;
while ((s = rowset_reader->next_block(&output_block)) == OLAP_SUCCESS) {
ASSERT_TRUE(output_block != nullptr);
ASSERT_GT(output_block->row_num(), 0);
ASSERT_EQ(0, output_block->pos());
ASSERT_EQ(output_block->row_num(), output_block->limit());
ASSERT_EQ(return_columns, output_block->row_block_info().column_ids);
// for unordered result, k3 will be 0, 1, 2, ..., 4096*3-1
for (int i = 0; i < output_block->row_num(); ++i) {
char* field3 = output_block->field_ptr(i, 2);
// test null bit
ASSERT_FALSE(*reinterpret_cast<bool*>(field3));
uint32_t k3 = *reinterpret_cast<uint32_t*>(field3 + 1);
ASSERT_EQ(num_rows_read, k3);
num_rows_read++;
}
}
EXPECT_EQ(OLAP_ERR_DATA_EOF, s);
EXPECT_TRUE(output_block == nullptr);
EXPECT_EQ(rowset->rowset_meta()->num_rows(), num_rows_read);
}
// with predicate
{
std::vector<ColumnPredicate*> column_predicates;
// column predicate: k3 < 100
ColumnPredicate* predicate = new LessPredicate<int32_t>(2, 100);
column_predicates.emplace_back(predicate);
reader_context.predicates = &column_predicates;
RowsetReaderSharedPtr rowset_reader;
create_and_init_rowset_reader(rowset.get(), reader_context, &rowset_reader);
RowBlock* output_block;
uint32_t num_rows_read = 0;
while ((s = rowset_reader->next_block(&output_block)) == OLAP_SUCCESS) {
ASSERT_TRUE(output_block != nullptr);
ASSERT_LE(output_block->row_num(), 100);
ASSERT_EQ(0, output_block->pos());
ASSERT_EQ(output_block->row_num(), output_block->limit());
ASSERT_EQ(return_columns, output_block->row_block_info().column_ids);
// for unordered result, k3 will be 0, 1, 2, ..., 99
for (int i = 0; i < output_block->row_num(); ++i) {
char* field3 = output_block->field_ptr(i, 2);
// test null bit
ASSERT_FALSE(*reinterpret_cast<bool*>(field3));
uint32_t k3 = *reinterpret_cast<uint32_t*>(field3 + 1);
ASSERT_EQ(num_rows_read, k3);
num_rows_read++;
}
}
EXPECT_EQ(OLAP_ERR_DATA_EOF, s);
EXPECT_TRUE(output_block == nullptr);
EXPECT_EQ(100, num_rows_read);
delete predicate;
}
}
}
} // namespace doris
int main(int argc, char **argv) {
::testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}
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