Coverage Report

Created: 2024-11-22 16:10

/root/doris/be/src/olap/base_compaction.h
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// 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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#pragma once
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#include <string>
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#include <vector>
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#include "common/status.h"
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#include "io/io_common.h"
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#include "olap/compaction.h"
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namespace doris {
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// BaseCompaction is derived from Compaction.
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// BaseCompaction will implements
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//   1. its policy to pick rowsets
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//   2. do compaction to produce new rowset.
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class BaseCompaction final : public CompactionMixin {
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public:
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    BaseCompaction(StorageEngine& engine, const TabletSharedPtr& tablet);
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    ~BaseCompaction() override;
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    Status prepare_compact() override;
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    Status execute_compact() override;
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private:
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    Status pick_rowsets_to_compact();
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    std::string_view compaction_name() const override { return "base compaction"; }
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    ReaderType compaction_type() const override { return ReaderType::READER_BASE_COMPACTION; }
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    // filter input rowset in some case:
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    // 1. dup key without delete predicate
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    void _filter_input_rowset();
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};
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} // namespace doris