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27 lines
733 B
C++
27 lines
733 B
C++
#pragma once
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#include <DataStreams/IBlockStream_fwd.h>
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#include <atomic>
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#include <functional>
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namespace DB
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{
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class Block;
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/** Copies data from the InputStream into the OutputStream
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* (for example, from the database to the console, etc.)
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*/
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void copyData(IBlockInputStream & from, IBlockOutputStream & to, std::atomic<bool> * is_cancelled = nullptr);
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void copyData(BlockInputStreams & inputs, BlockOutputStreams & outputs);
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void copyData(IBlockInputStream & from, IBlockOutputStream & to, const std::function<bool()> & is_cancelled);
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void copyData(IBlockInputStream & from, IBlockOutputStream & to, const std::function<bool()> & is_cancelled,
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const std::function<void(const Block & block)> & progress);
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}
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