MoW will mark all duplicate primary key as deleted, so we can add a DCHECK while compaction, if MoW's delete bitmap works incorrectly, we're able to detect this kind of issue ASAP. In Debug version, DCHECK will make BE crush, in release version, compaction will fail and finally load will fail due to -235
41 lines
1.4 KiB
C++
41 lines
1.4 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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#pragma once
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#include "olap/compaction.h"
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namespace doris {
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class ColdDataCompaction final : public Compaction {
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public:
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ColdDataCompaction(const TabletSharedPtr& tablet);
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~ColdDataCompaction() override;
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Status prepare_compact() override;
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Status execute_compact_impl() override;
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private:
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std::string compaction_name() const override { return "cold data compaction"; }
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ReaderType compaction_type() const override { return ReaderType::READER_COLD_DATA_COMPACTION; }
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Status pick_rowsets_to_compact() override;
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Status modify_rowsets(const Merger::Statistics* stats = nullptr) override;
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};
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} // namespace doris
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