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48 lines
1.2 KiB
C++
48 lines
1.2 KiB
C++
#pragma once
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#include <Core/Block.h>
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#include <DataStreams/IBlockOutputStream.h>
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#include <Common/Throttler.h>
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#include <IO/ConnectionTimeouts.h>
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namespace DB
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{
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class Connection;
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class ReadBuffer;
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struct Settings;
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/** Allow to execute INSERT query on remote server and send data for it.
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*/
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class RemoteBlockOutputStream : public IBlockOutputStream
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{
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public:
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RemoteBlockOutputStream(Connection & connection_,
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const ConnectionTimeouts & timeouts,
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const String & query_,
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const Settings * settings_ = nullptr,
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const ClientInfo * client_info_ = nullptr);
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Block getHeader() const override { return header; }
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void write(const Block & block) override;
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void writeSuffix() override;
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/// Send pre-serialized and possibly pre-compressed block of data, that will be read from 'input'.
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void writePrepared(ReadBuffer & input, size_t size = 0);
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~RemoteBlockOutputStream() override;
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private:
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Connection & connection;
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String query;
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const Settings * settings;
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const ClientInfo * client_info;
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Block header;
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bool finished = false;
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};
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}
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