2019-02-19 18:41:18 +00:00
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#pragma once
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#include <Core/Block.h>
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#include <IO/WriteBuffer.h>
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#include <IO/WriteBufferValidUTF8.h>
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#include <Processors/Formats/Impl/JSONRowOutputFormat.h>
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namespace DB
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{
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struct FormatSettings;
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/** The stream for outputting data in the JSONCompact format.
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*/
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class JSONCompactRowOutputFormat : public JSONRowOutputFormat
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{
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public:
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2019-04-09 09:25:57 +00:00
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JSONCompactRowOutputFormat(WriteBuffer & out_, const Block & header, const FormatSettings & settings);
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2019-02-19 18:41:18 +00:00
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String getName() const override { return "JSONCompactRowOutputFormat"; }
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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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void writeBeforeTotals() override;
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void writeAfterTotals() override;
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protected:
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void writeExtremesElement(const char * title, const Columns & columns, size_t row_num) override;
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void writeTotalsField(const IColumn & column, const IDataType & type, size_t row_num) override
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{
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return writeField(column, type, row_num);
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}
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};
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}
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