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doris/be/src/vec/exec/vorc_scanner.h
slothever 8a366c9ba2 [feature](multi-catalog) read parquet file by start/offset (#10843)
To avoid reading the repeat row group, we should align offsets
2022-07-18 20:51:08 +08:00

55 lines
1.9 KiB
C++

// 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.
#pragma once
#include <arrow/array.h>
#include <vec/exec/varrow_scanner.h>
#include <map>
#include <memory>
#include <sstream>
#include <string>
#include <unordered_map>
#include <vector>
#include "common/status.h"
#include "exec/base_scanner.h"
#include "gen_cpp/Types_types.h"
#include "runtime/mem_pool.h"
#include "util/runtime_profile.h"
namespace doris::vectorized {
// VOrc scanner convert the data read from Orc to doris's columns.
class VORCScanner final : public VArrowScanner {
public:
VORCScanner(RuntimeState* state, RuntimeProfile* profile, const TBrokerScanRangeParams& params,
const std::vector<TBrokerRangeDesc>& ranges,
const std::vector<TNetworkAddress>& broker_addresses,
const std::vector<TExpr>& pre_filter_texprs, ScannerCounter* counter);
~VORCScanner() override = default;
protected:
ArrowReaderWrap* _new_arrow_reader(FileReader* file_reader, int64_t batch_size,
int32_t num_of_columns_from_file, int64_t range_start_offset,
int64_t range_size) override;
};
} // namespace doris::vectorized