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41 lines
1015 B
C++
41 lines
1015 B
C++
#pragma once
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#include <Core/Block.h>
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#include <IO/WriteBuffer.h>
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#include <Processors/Formats/IRowOutputFormat.h>
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#include <Formats/FormatSettings.h>
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namespace DB
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{
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/** The stream for outputting data in JSON format, by object per line.
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* Does not validate UTF-8.
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*/
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class JSONEachRowRowOutputFormat : public IRowOutputFormat
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{
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public:
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JSONEachRowRowOutputFormat(WriteBuffer & out_, const Block & header_, FormatFactory::WriteCallback callback, const FormatSettings & settings_);
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String getName() const override { return "JSONEachRowRowOutputFormat"; }
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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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/// No totals and extremes.
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void consumeTotals(Chunk) override {}
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void consumeExtremes(Chunk) override {}
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size_t field_number = 0;
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private:
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Names fields;
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FormatSettings settings;
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};
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}
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