367 lines
12 KiB
C++
367 lines
12 KiB
C++
// Licensed to the Apache Software Foundation (ASF) under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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#include "olap/rowset/segment_v2/segment.h"
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#include "olap/rowset/segment_v2/segment_writer.h"
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#include "olap/rowset/segment_v2/segment_iterator.h"
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#include <gtest/gtest.h>
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#include <iostream>
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#include "common/logging.h"
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#include "olap/olap_common.h"
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#include "olap/row_cursor.h"
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#include "olap/tablet_schema.h"
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#include "olap/row_block.h"
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#include "olap/row_block2.h"
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#include "olap/types.h"
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#include "olap/tablet_schema_helper.h"
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#include "util/file_utils.h"
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namespace doris {
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namespace segment_v2 {
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class SegmentReaderWriterTest : public testing::Test {
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public:
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SegmentReaderWriterTest() { }
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virtual ~SegmentReaderWriterTest() {
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}
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};
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TEST_F(SegmentReaderWriterTest, normal) {
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size_t num_rows_per_block = 10;
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std::shared_ptr<TabletSchema> tablet_schema(new TabletSchema());
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tablet_schema->_num_columns = 4;
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tablet_schema->_num_key_columns = 3;
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tablet_schema->_num_short_key_columns = 2;
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tablet_schema->_num_rows_per_row_block = num_rows_per_block;
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tablet_schema->_cols.push_back(create_int_key(1));
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tablet_schema->_cols.push_back(create_int_key(2));
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tablet_schema->_cols.push_back(create_int_key(3));
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tablet_schema->_cols.push_back(create_int_value(4));
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// segment write
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std::string dname = "./ut_dir/segment_test";
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FileUtils::create_dir(dname);
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SegmentWriterOptions opts;
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opts.num_rows_per_block = num_rows_per_block;
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std::string fname = dname + "/int_case";
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SegmentWriter writer(fname, 0, tablet_schema.get(), opts);
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auto st = writer.init(10);
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ASSERT_TRUE(st.ok());
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RowCursor row;
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auto olap_st = row.init(*tablet_schema);
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ASSERT_EQ(OLAP_SUCCESS, olap_st);
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// 0, 1, 2, 3
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// 10, 11, 12, 13
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// 20, 21, 22, 23
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for (int i = 0; i < 4096; ++i) {
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for (int j = 0; j < 4; ++j) {
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auto cell = row.cell(j);
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cell.set_not_null();
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*(int*)cell.mutable_cell_ptr() = i * 10 + j;
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}
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writer.append_row(row);
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}
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uint32_t file_size = 0;
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st = writer.finalize(&file_size);
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ASSERT_TRUE(st.ok());
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// reader
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{
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std::shared_ptr<Segment> segment(new Segment(fname, 0, tablet_schema, num_rows_per_block));
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st = segment->open();
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LOG(INFO) << "segment open, msg=" << st.to_string();
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ASSERT_TRUE(st.ok());
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ASSERT_EQ(4096, segment->num_rows());
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Schema schema(*tablet_schema);
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// scan all rows
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{
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std::unique_ptr<SegmentIterator> iter;
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st = segment->new_iterator(schema, &iter);
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ASSERT_TRUE(st.ok());
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StorageReadOptions read_opts;
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st = iter->init(read_opts);
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ASSERT_TRUE(st.ok());
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Arena arena;
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RowBlockV2 block(schema, 1024, &arena);
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int left = 4096;
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int rowid = 0;
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while (left > 0) {
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int rows_read = left > 1024 ? 1024 : left;
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st = iter->next_batch(&block);
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ASSERT_TRUE(st.ok());
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ASSERT_EQ(rows_read, block.num_rows());
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left -= rows_read;
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for (int j = 0; j < block.schema()->column_ids().size(); ++j) {
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auto cid = block.schema()->column_ids()[j];
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auto column_block = block.column_block(j);
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for (int i = 0; i < rows_read; ++i) {
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int rid = rowid + i;
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ASSERT_FALSE(BitmapTest(column_block.null_bitmap(), i));
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ASSERT_EQ(rid * 10 + cid, *(int*)column_block.cell_ptr(i));
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}
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}
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rowid += rows_read;
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}
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}
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// test seek, key
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{
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std::unique_ptr<SegmentIterator> iter;
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st = segment->new_iterator(schema, &iter);
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ASSERT_TRUE(st.ok());
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// lower bound
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StorageReadOptions read_opts;
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read_opts.lower_bound.reset(new RowCursor());
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RowCursor* lower_bound = read_opts.lower_bound.get();
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lower_bound->init(*tablet_schema, 2);
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{
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auto cell = lower_bound->cell(0);
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cell.set_not_null();
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*(int*)cell.mutable_cell_ptr() = 100;
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}
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{
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auto cell = lower_bound->cell(1);
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cell.set_not_null();
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*(int*)cell.mutable_cell_ptr() = 100;
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}
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read_opts.include_lower_bound = false;
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// upper bound
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read_opts.upper_bound.reset(new RowCursor());
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RowCursor* upper_bound = read_opts.upper_bound.get();
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upper_bound->init(*tablet_schema, 1);
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{
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auto cell = upper_bound->cell(0);
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cell.set_not_null();
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*(int*)cell.mutable_cell_ptr() = 200;
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}
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read_opts.include_upper_bound = true;
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st = iter->init(read_opts);
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LOG(INFO) << "iterator init msg=" << st.to_string();
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ASSERT_TRUE(st.ok());
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Arena arena;
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RowBlockV2 block(schema, 100, &arena);
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st = iter->next_batch(&block);
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ASSERT_TRUE(st.ok());
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ASSERT_EQ(11, block.num_rows());
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auto column_block = block.column_block(0);
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for (int i = 0; i < 11; ++i) {
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ASSERT_EQ(100 + i * 10, *(int*)column_block.cell_ptr(i));
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}
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}
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// test seek, key
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{
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std::unique_ptr<SegmentIterator> iter;
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st = segment->new_iterator(schema, &iter);
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ASSERT_TRUE(st.ok());
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StorageReadOptions read_opts;
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// lower bound
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read_opts.lower_bound.reset(new RowCursor());
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RowCursor* lower_bound = read_opts.lower_bound.get();
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lower_bound->init(*tablet_schema, 1);
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{
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auto cell = lower_bound->cell(0);
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cell.set_not_null();
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*(int*)cell.mutable_cell_ptr() = 40970;
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}
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read_opts.include_lower_bound = false;
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st = iter->init(read_opts);
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LOG(INFO) << "iterator init msg=" << st.to_string();
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ASSERT_TRUE(st.ok());
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Arena arena;
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RowBlockV2 block(schema, 100, &arena);
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st = iter->next_batch(&block);
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ASSERT_TRUE(st.is_end_of_file());
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ASSERT_EQ(0, block.num_rows());
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}
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// test seek, key (-2, -1)
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{
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std::unique_ptr<SegmentIterator> iter;
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st = segment->new_iterator(schema, &iter);
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ASSERT_TRUE(st.ok());
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StorageReadOptions read_opts;
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// lower bound
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read_opts.lower_bound.reset(new RowCursor());
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RowCursor* lower_bound = read_opts.lower_bound.get();
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lower_bound->init(*tablet_schema, 1);
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{
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auto cell = lower_bound->cell(0);
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cell.set_not_null();
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*(int*)cell.mutable_cell_ptr() = -2;
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}
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read_opts.include_lower_bound = false;
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read_opts.upper_bound.reset(new RowCursor());
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RowCursor* upper_bound = read_opts.upper_bound.get();
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upper_bound->init(*tablet_schema, 1);
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{
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auto cell = upper_bound->cell(0);
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cell.set_not_null();
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*(int*)cell.mutable_cell_ptr() = -1;
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}
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read_opts.include_upper_bound = false;
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st = iter->init(read_opts);
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LOG(INFO) << "iterator init msg=" << st.to_string();
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ASSERT_TRUE(st.ok());
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Arena arena;
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RowBlockV2 block(schema, 100, &arena);
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st = iter->next_batch(&block);
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ASSERT_TRUE(st.is_end_of_file());
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ASSERT_EQ(0, block.num_rows());
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}
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}
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FileUtils::remove_all(dname);
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}
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TEST_F(SegmentReaderWriterTest, TestZoneMap) {
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size_t num_rows_per_block = 10;
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std::shared_ptr<TabletSchema> tablet_schema(new TabletSchema());
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tablet_schema->_num_columns = 4;
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tablet_schema->_num_key_columns = 3;
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tablet_schema->_num_short_key_columns = 2;
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tablet_schema->_num_rows_per_row_block = num_rows_per_block;
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tablet_schema->_cols.push_back(create_int_key(1));
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tablet_schema->_cols.push_back(create_int_key(2));
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tablet_schema->_cols.push_back(create_int_key(3));
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tablet_schema->_cols.push_back(create_int_value(4));
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// segment write
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std::string dname = "./ut_dir/segment_test";
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FileUtils::create_dir(dname);
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SegmentWriterOptions opts;
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opts.num_rows_per_block = num_rows_per_block;
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std::string fname = dname + "/int_case2";
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SegmentWriter writer(fname, 0, tablet_schema.get(), opts);
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auto st = writer.init(10);
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ASSERT_TRUE(st.ok());
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RowCursor row;
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auto olap_st = row.init(*tablet_schema);
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ASSERT_EQ(OLAP_SUCCESS, olap_st);
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// 0, 1, 2, 3
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// 10, 11, 12, 13
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// 20, 21, 22, 23
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//
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// 64k int will generate 4 pages
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for (int i = 0; i < 64 * 1024; ++i) {
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for (int j = 0; j < 4; ++j) {
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auto cell = row.cell(j);
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cell.set_not_null();
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*(int*)cell.mutable_cell_ptr() = i * 10 + j;
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}
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writer.append_row(row);
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}
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uint32_t file_size = 0;
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st = writer.finalize(&file_size);
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ASSERT_TRUE(st.ok());
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// reader with condition
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{
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std::shared_ptr<Segment> segment(new Segment(fname, 0, tablet_schema, num_rows_per_block));
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st = segment->open();
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ASSERT_TRUE(st.ok());
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ASSERT_EQ(64 * 1024, segment->num_rows());
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Schema schema(*tablet_schema);
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// scan all rows
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{
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std::unique_ptr<SegmentIterator> iter;
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st = segment->new_iterator(schema, &iter);
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ASSERT_TRUE(st.ok());
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StorageReadOptions read_opts;
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TCondition condition;
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condition.__set_column_name("2");
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condition.__set_condition_op("<");
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std::vector<std::string> vals = {"100"};
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condition.__set_condition_values(vals);
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std::shared_ptr<Conditions> conditions(new Conditions());
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conditions->set_tablet_schema(tablet_schema.get());
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conditions->append_condition(condition);
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read_opts.conditions = conditions;
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st = iter->init(read_opts);
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ASSERT_TRUE(st.ok());
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Arena arena;
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RowBlockV2 block(schema, 1024, &arena);
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// only first page will be read because of zone map
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int left = 16 * 1024;
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int rowid = 0;
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while (left > 0) {
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int rows_read = left > 1024 ? 1024 : left;
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st = iter->next_batch(&block);
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ASSERT_TRUE(st.ok());
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ASSERT_EQ(rows_read, block.num_rows());
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left -= rows_read;
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for (int j = 0; j < block.schema()->column_ids().size(); ++j) {
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auto cid = block.schema()->column_ids()[j];
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auto column_block = block.column_block(j);
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for (int i = 0; i < rows_read; ++i) {
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int rid = rowid + i;
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ASSERT_FALSE(BitmapTest(column_block.null_bitmap(), i));
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ASSERT_EQ(rid * 10 + cid, *(int*)column_block.cell_ptr(i)) << "rid:" << rid << ", i:" << i;
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}
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}
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rowid += rows_read;
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}
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ASSERT_EQ(16 * 1024, rowid);
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st = iter->next_batch(&block);
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ASSERT_TRUE(st.is_end_of_file());
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ASSERT_EQ(0, block.num_rows());
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}
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}
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FileUtils::remove_all(dname);
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}
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}
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}
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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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