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30 lines
721 B
C++
30 lines
721 B
C++
#pragma once
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#include <DB/Core/Block.h>
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#include <DB/IO/WriteBuffer.h>
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#include <DB/IO/WriteBufferValidUTF8.h>
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#include <DB/DataStreams/JSONRowOutputStream.h>
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namespace DB
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{
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/** Поток для вывода данных в формате JSONCompact.
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*/
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class JSONCompactRowOutputStream : public JSONRowOutputStream
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{
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public:
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JSONCompactRowOutputStream(WriteBuffer & ostr_, const Block & sample_, bool write_statistics_);
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void writeField(const IColumn & column, const IDataType & type, size_t row_num) override;
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void writeFieldDelimiter() override;
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void writeRowStartDelimiter() override;
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void writeRowEndDelimiter() override;
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protected:
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void writeTotals() override;
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void writeExtremes() override;
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};
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}
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