imay commented on a change in pull request #2554: Support load orc format in Apache Doris URL: https://github.com/apache/incubator-doris/pull/2554#discussion_r361155735
########## File path: be/src/exec/orc_scanner.cpp ########## @@ -0,0 +1,261 @@ +// 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 "exec/orc_scanner.h" + +#include "runtime/descriptors.h" +#include "runtime/exec_env.h" +#include "runtime/mem_tracker.h" +#include "runtime/raw_value.h" +#include "runtime/tuple.h" +#include "exprs/expr.h" +#include "exec/text_converter.h" +#include "exec/text_converter.hpp" +#include "exec/local_file_reader.h" +#include "exec/broker_reader.h" + +namespace doris { + +ORCScanner::ORCScanner(RuntimeState* state, + RuntimeProfile* profile, + const TBrokerScanRangeParams& params, + const std::vector<TBrokerRangeDesc>& ranges, + const std::vector<TNetworkAddress>& broker_addresses, + ScannerCounter* counter) : BaseScanner(state, profile, params, counter), + _ranges(ranges), + _broker_addresses(broker_addresses), + // _splittable(params.splittable), + _next_range(0), + _cur_file_eof(true), + _scanner_eof(false) {} + +ORCScanner::~ORCScanner() { + close(); +} + +Status ORCScanner::open() { + return BaseScanner::open(); +} + +Status ORCScanner::get_next(Tuple* tuple, MemPool* tuple_pool, bool* eof) { + try { + SCOPED_TIMER(_read_timer); + // Get one line + while (!_scanner_eof) { + if (_cur_file_eof) { + RETURN_IF_ERROR(open_next_reader()); + if (_scanner_eof) { + *eof = true; + return Status::OK(); + } else { + _cur_file_eof = false; + } + } + if (_current_line_of_group >= _rows_of_group) { // read next stripe + if (_current_group >= _total_groups) { + _cur_file_eof = true; + continue; + } + _rows_of_group = _reader->getStripe(_current_group)->getNumberOfRows(); + std::cout << "rows of group "<< _rows_of_group << std::endl; + _batch = _row_reader->createRowBatch(_rows_of_group); + _row_reader->next(*_batch.get()); + + _current_line_of_group = 0; + ++_current_group; + } + + std::vector<orc::ColumnVectorBatch *> _batch_vec = ((orc::StructVectorBatch *) _batch.get())->fields; + for (int column_ipos = 0; column_ipos < _num_of_columns_from_file; ++column_ipos) { + auto slot_desc = _src_slot_descs[column_ipos]; + orc::ColumnVectorBatch *cvb = _batch_vec[_column_name_map_orc_index.find( + slot_desc->col_name())->second]; + + if (cvb->hasNulls && !cvb->notNull[_current_line_of_group]) { + if (!slot_desc->is_nullable()) { + std::stringstream str_error; + str_error << "The field name(" << slot_desc->col_name() + << ") is not allowed null, but ORC field is NULL."; + LOG(WARNING) << str_error.str(); + return Status::RuntimeError(str_error.str()); + } + _src_tuple->set_null(slot_desc->null_indicator_offset()); + } else { + int32_t wbytes = 0; + uint8_t tmp_buf[128] = {0}; + _src_tuple->set_not_null(slot_desc->null_indicator_offset()); + void *slot = _src_tuple->get_slot(slot_desc->tuple_offset()); + StringValue *str_slot = reinterpret_cast<StringValue *>(slot); + + switch (_reader->getType().getSubtype(column_ipos)->getKind()) { + case orc::BOOLEAN: { + int64_t value = ((orc::LongVectorBatch *) cvb)->data[_current_line_of_group]; + if (value == 0) { + str_slot->ptr = reinterpret_cast<char *>(tuple_pool->allocate(5)); + memcpy(str_slot->ptr, "false", 5); + str_slot->len = 5; + } else { + str_slot->ptr = reinterpret_cast<char *>(tuple_pool->allocate(4)); + memcpy(str_slot->ptr, "true", 4); + str_slot->len = 4; + } + break; + } + case orc::INT: + case orc::SHORT: + case orc::LONG: + case orc::DATE: { + int64_t value = ((orc::LongVectorBatch *) cvb)->data[_current_line_of_group]; + std::cout << "value : " << value << std::endl; + wbytes = sprintf((char *) tmp_buf, "%ld", value); + str_slot->ptr = reinterpret_cast<char *>(tuple_pool->allocate(wbytes)); + memcpy(str_slot->ptr, tmp_buf, wbytes); + str_slot->len = wbytes; + break; + } + case orc::FLOAT: + case orc::DOUBLE: { + double value = ((orc::DoubleVectorBatch *) cvb)->data[_current_line_of_group]; + wbytes = sprintf((char *) tmp_buf, "%f", value); + str_slot->ptr = reinterpret_cast<char *>(tuple_pool->allocate(wbytes)); + memcpy(str_slot->ptr, tmp_buf, wbytes); + str_slot->len = wbytes; + break; + } + case orc::BINARY: + case orc::CHAR: + case orc::VARCHAR: + case orc::STRING: { + char *value = ((orc::StringVectorBatch *) cvb)->data[_current_line_of_group]; + wbytes = ((orc::StringVectorBatch *) cvb)->length[_current_line_of_group]; + str_slot->ptr = reinterpret_cast<char *>(tuple_pool->allocate(wbytes)); + memcpy(str_slot->ptr, value, wbytes); + str_slot->len = wbytes; + break; + } + //TODO (lhy) : support more orc type + case orc::TIMESTAMP: + case orc::DECIMAL: + default: { + std::stringstream str_error; + str_error << "The field name(" << slot_desc->col_name() << ") type not support. "; + LOG(WARNING) << str_error.str(); + return Status::InternalError(str_error.str()); + } + } + } + } + ++_current_line_of_group; + + // range of current file + const TBrokerRangeDesc &range = _ranges.at(_next_range - 1); + if (range.__isset.num_of_columns_from_file) { + fill_slots_of_columns_from_path(range.num_of_columns_from_file, range.columns_from_path); + } + COUNTER_UPDATE(_rows_read_counter, 1); + SCOPED_TIMER(_materialize_timer); + if (!fill_dest_tuple(Slice(), tuple, tuple_pool)) { + std::stringstream str_error; + str_error << "fill_dest_tuple error"; + LOG(WARNING) << str_error.str(); + return Status::InternalError(str_error.str()); + } + break; // get one line, break from while + } + return Status::OK(); + } catch (orc::ParseError& e) { + std::stringstream str_error; + str_error <<"ParseError : "<< e.what(); + LOG(WARNING) << str_error.str(); + return Status::InternalError(str_error.str()); + } catch (orc::InvalidArgument& e) { + std::stringstream str_error; + str_error <<"ParseError : "<< e.what(); + LOG(WARNING) << str_error.str(); + return Status::InternalError(str_error.str()); + } +} + +Status ORCScanner::open_next_reader() { + while (true) { + if (_next_range >= _ranges.size()) { + _scanner_eof = true; + return Status::OK(); + } + const TBrokerRangeDesc &range = _ranges[_next_range++]; + std::unique_ptr<FileReader> file_reader; + switch (range.file_type) { + case TFileType::FILE_LOCAL: { + file_reader.reset(new LocalFileReader(range.path, range.start_offset)); + break; + } + case TFileType::FILE_BROKER: { + int64_t file_size = 0; + // for compatibility + if (range.__isset.file_size) { file_size = range.file_size; } + file_reader.reset(new BrokerReader(_state->exec_env(), _broker_addresses, _params.properties, + range.path, range.start_offset, file_size)); + break; + } + default: { + std::stringstream ss; + ss << "Unknown file type, type=" << range.file_type; + return Status::InternalError(ss.str()); + } + } + RETURN_IF_ERROR(file_reader->open()); + if (file_reader->size() == 0) { + file_reader->close(); + continue; + } + + std::unique_ptr<orc::InputStream> inStream = std::unique_ptr<orc::InputStream>(new ORCFileStream(file_reader.release(), range.path)); + _reader = orc::createReader(std::move(inStream), _options); + + _total_groups = _reader->getNumberOfStripes(); + _current_group = 0; + _rows_of_group = 0; + _current_line_of_group = 0; + + _includes.clear(); + _num_of_columns_from_file = + range.__isset.num_of_columns_from_file ? range.num_of_columns_from_file : _src_slot_descs.size(); + for (int i = 0; i < _num_of_columns_from_file; i++) { + auto slot_desc = _src_slot_descs.at(i); + _includes.push_back(slot_desc->col_name()); + } + _rowReaderOptions.include(_includes); + + std::vector<std::string> orc_file_columns; + int orc_index = 0; + for (int i = 0; i < _reader->getType().getSubtypeCount(); ++i) { + if(std::find(_includes.begin(), _includes.end(), _reader->getType().getFieldName(i)) != _includes.end()) { Review comment: ```suggestion if( std::find(_includes.begin(), _includes.end(), _reader->getType().getFieldName(i)) != _includes.end()) { ``` ---------------------------------------------------------------- This is an automated message from the Apache Git Service. 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