c5ad989065
Currently, Doris has a variety of readers for different file formats, such as parquet reader, orc reader, csv reader, json reader and so on. The interfaces of these readers are not unified, which makes it impossible to call them through a unified method. In this PR, I added a `GenericReader` interface class, and other Readers will implement this interface class to use the `get_next_block()` method. This PR currently only modifies `arrow_reader` and `parquet reader`. Other readers will be modified one by one in subsequent PRs.
240 lines
9.0 KiB
C++
240 lines
9.0 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 <glog/logging.h>
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#include <gtest/gtest.h>
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#include "io/local_file_reader.h"
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#include "runtime/runtime_state.h"
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#include "util/runtime_profile.h"
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#include "vec/data_types/data_type_factory.hpp"
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#include "vec/exec/file_hdfs_scanner.h"
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#include "vec/exec/format/parquet/vparquet_reader.h"
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namespace doris {
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namespace vectorized {
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class ParquetReaderTest : public testing::Test {
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public:
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ParquetReaderTest() {}
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};
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TEST_F(ParquetReaderTest, normal) {
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TDescriptorTable t_desc_table;
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TTableDescriptor t_table_desc;
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t_table_desc.id = 0;
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t_table_desc.tableType = TTableType::OLAP_TABLE;
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t_table_desc.numCols = 0;
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t_table_desc.numClusteringCols = 0;
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t_desc_table.tableDescriptors.push_back(t_table_desc);
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t_desc_table.__isset.tableDescriptors = true;
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// init boolean and numeric slot
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std::vector<std::string> numeric_types = {"boolean_col", "tinyint_col", "smallint_col",
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"int_col", "bigint_col", "float_col",
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"double_col"};
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for (int i = 0; i < numeric_types.size(); i++) {
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TSlotDescriptor tslot_desc;
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{
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tslot_desc.id = i;
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tslot_desc.parent = 0;
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TTypeDesc type;
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{
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TTypeNode node;
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node.__set_type(TTypeNodeType::SCALAR);
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TScalarType scalar_type;
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scalar_type.__set_type(TPrimitiveType::type(i + 2));
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node.__set_scalar_type(scalar_type);
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type.types.push_back(node);
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}
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tslot_desc.slotType = type;
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tslot_desc.columnPos = 0;
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tslot_desc.byteOffset = 0;
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tslot_desc.nullIndicatorByte = 0;
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tslot_desc.nullIndicatorBit = -1;
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tslot_desc.colName = numeric_types[i];
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tslot_desc.slotIdx = 0;
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tslot_desc.isMaterialized = true;
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t_desc_table.slotDescriptors.push_back(tslot_desc);
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}
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}
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t_desc_table.__isset.slotDescriptors = true;
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{
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// TTupleDescriptor dest
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TTupleDescriptor t_tuple_desc;
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t_tuple_desc.id = 0;
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t_tuple_desc.byteSize = 16;
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t_tuple_desc.numNullBytes = 0;
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t_tuple_desc.tableId = 0;
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t_tuple_desc.__isset.tableId = true;
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t_desc_table.tupleDescriptors.push_back(t_tuple_desc);
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}
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DescriptorTbl* desc_tbl;
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ObjectPool obj_pool;
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DescriptorTbl::create(&obj_pool, t_desc_table, &desc_tbl);
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auto slot_descs = desc_tbl->get_tuple_descriptor(0)->slots();
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LocalFileReader* reader =
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new LocalFileReader("./be/test/exec/test_data/parquet_scanner/type-decoder.parquet", 0);
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cctz::time_zone ctz;
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TimezoneUtils::find_cctz_time_zone(TimezoneUtils::default_time_zone, ctz);
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auto p_reader = new ParquetReader(reader, slot_descs.size(), 1024, 0, 1000, &ctz);
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RuntimeState runtime_state((TQueryGlobals()));
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runtime_state.set_desc_tbl(desc_tbl);
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runtime_state.init_instance_mem_tracker();
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auto tuple_desc = desc_tbl->get_tuple_descriptor(0);
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std::vector<ExprContext*> conjunct_ctxs = std::vector<ExprContext*>();
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p_reader->init_reader(tuple_desc, slot_descs, conjunct_ctxs, runtime_state.timezone());
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Block* block = new Block();
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for (const auto& slot_desc : tuple_desc->slots()) {
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auto data_type =
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vectorized::DataTypeFactory::instance().create_data_type(slot_desc->type(), true);
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MutableColumnPtr data_column = data_type->create_column();
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block->insert(
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ColumnWithTypeAndName(std::move(data_column), data_type, slot_desc->col_name()));
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}
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bool eof = false;
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p_reader->get_next_block(block, &eof);
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for (auto& col : block->get_columns_with_type_and_name()) {
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ASSERT_EQ(col.column->size(), 10);
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}
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EXPECT_TRUE(eof);
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delete block;
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delete p_reader;
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}
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TEST_F(ParquetReaderTest, scanner) {
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TDescriptorTable t_desc_table;
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TTableDescriptor t_table_desc;
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t_table_desc.id = 0;
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t_table_desc.tableType = TTableType::OLAP_TABLE;
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t_table_desc.numCols = 7;
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t_table_desc.numClusteringCols = 0;
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t_desc_table.tableDescriptors.push_back(t_table_desc);
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t_desc_table.__isset.tableDescriptors = true;
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// init boolean and numeric slot
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std::vector<std::string> numeric_types = {"boolean_col", "tinyint_col", "smallint_col",
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"int_col", "bigint_col", "float_col",
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"double_col"};
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for (int i = 0; i < numeric_types.size(); i++) {
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TSlotDescriptor tslot_desc;
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{
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tslot_desc.id = i;
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tslot_desc.parent = 0;
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TTypeDesc type;
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{
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TTypeNode node;
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node.__set_type(TTypeNodeType::SCALAR);
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TScalarType scalar_type;
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scalar_type.__set_type(TPrimitiveType::type(i + 2));
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node.__set_scalar_type(scalar_type);
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type.types.push_back(node);
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}
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tslot_desc.slotType = type;
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tslot_desc.columnPos = 0;
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tslot_desc.byteOffset = 0;
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tslot_desc.nullIndicatorByte = 1;
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tslot_desc.nullIndicatorBit = 1;
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tslot_desc.colName = numeric_types[i];
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tslot_desc.slotIdx = 0;
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tslot_desc.isMaterialized = true;
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t_desc_table.slotDescriptors.push_back(tslot_desc);
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}
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}
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t_desc_table.__isset.slotDescriptors = true;
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{
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TTupleDescriptor t_tuple_desc;
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t_tuple_desc.id = 0;
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t_tuple_desc.byteSize = 16;
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t_tuple_desc.numNullBytes = 0;
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t_tuple_desc.tableId = 0;
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t_tuple_desc.__isset.tableId = true;
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t_desc_table.tupleDescriptors.push_back(t_tuple_desc);
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}
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// set scan range
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// std::vector<TScanRangeParams> scan_ranges;
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TFileScanRange file_scan_range;
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{
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// TScanRangeParams scan_range_params;
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// TFileScanRange file_scan_range;
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TFileScanRangeParams params;
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{
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params.__set_src_tuple_id(0);
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params.__set_num_of_columns_from_file(7);
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params.file_type = TFileType::FILE_LOCAL;
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params.format_type = TFileFormatType::FORMAT_PARQUET;
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std::vector<TFileScanSlotInfo> file_slots;
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for (int i = 0; i < numeric_types.size(); i++) {
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TFileScanSlotInfo slot_info;
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slot_info.slot_id = i;
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slot_info.is_file_slot = true;
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file_slots.emplace_back(slot_info);
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}
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params.__set_required_slots(file_slots);
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}
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file_scan_range.params = params;
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TFileRangeDesc range;
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{
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range.start_offset = 0;
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range.size = 1000;
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range.path = "./be/test/exec/test_data/parquet_scanner/type-decoder.parquet";
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std::vector<std::string> columns_from_path {"value"};
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range.__set_columns_from_path(columns_from_path);
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}
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file_scan_range.ranges.push_back(range);
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// scan_range_params.scan_range.ext_scan_range.__set_file_scan_range(broker_scan_range);
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// scan_ranges.push_back(scan_range_params);
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}
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std::vector<TExpr> pre_filter_texprs = std::vector<TExpr>();
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RuntimeState runtime_state((TQueryGlobals()));
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runtime_state.init_instance_mem_tracker();
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DescriptorTbl* desc_tbl;
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ObjectPool obj_pool;
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DescriptorTbl::create(&obj_pool, t_desc_table, &desc_tbl);
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runtime_state.set_desc_tbl(desc_tbl);
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ScannerCounter counter;
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std::vector<ExprContext*> conjunct_ctxs = std::vector<ExprContext*>();
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auto scan = new ParquetFileHdfsScanner(&runtime_state, runtime_state.runtime_profile(),
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file_scan_range.params, file_scan_range.ranges,
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pre_filter_texprs, &counter);
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scan->reg_conjunct_ctxs(0, conjunct_ctxs);
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Status st = scan->open();
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EXPECT_TRUE(st.ok());
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bool eof = false;
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Block* block = new Block();
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scan->get_next(block, &eof);
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for (auto& col : block->get_columns_with_type_and_name()) {
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ASSERT_EQ(col.column->size(), 10);
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}
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delete block;
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delete scan;
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}
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} // namespace vectorized
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} // namespace doris
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