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45 lines
1.1 KiB
C++
45 lines
1.1 KiB
C++
#pragma once
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#include <DataStreams/IBlockInputStream.h>
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#include <Storages/MergeTree/MergeTreeData.h>
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#include <Storages/MergeTree/IMergeTreeDataPart.h>
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#include <Core/Block.h>
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#include <Storages/MergeTree/MergeTreeDataPartTTLInfo.h>
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#include <DataStreams/ITTLAlgorithm.h>
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#include <common/DateLUT.h>
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namespace DB
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{
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class TTLCalcInputStream : public IBlockInputStream
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{
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public:
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TTLCalcInputStream(
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const BlockInputStreamPtr & input_,
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const MergeTreeData & storage_,
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const StorageMetadataPtr & metadata_snapshot_,
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const MergeTreeData::MutableDataPartPtr & data_part_,
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time_t current_time,
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bool force_
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);
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String getName() const override { return "TTL_CALC"; }
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Block getHeader() const override { return header; }
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protected:
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Block readImpl() override;
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/// Finalizes ttl infos and updates data part
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void readSuffixImpl() override;
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private:
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std::vector<TTLAlgorithmPtr> algorithms;
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/// ttl_infos and empty_columns are updating while reading
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const MergeTreeData::MutableDataPartPtr & data_part;
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Poco::Logger * log;
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Block header;
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};
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}
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