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#pragma once
#include <Formats/FormatSettings.h>
#include <Processors/Formats/Impl/TabSeparatedRowOutputFormat.h>
namespace DB
{
/** The stream for outputting data in the TSKV format.
* TSKV is similar to TabSeparated, but before every value, its name and equal sign are specified: name=value.
* This format is very inefficient.
*/
class TSKVRowOutputFormat final : public TabSeparatedRowOutputFormat
{
public:
TSKVRowOutputFormat(WriteBuffer & out_, const Block & header, const FormatSettings & format_settings);
String getName() const override { return "TSKVRowOutputFormat"; }
private:
void writeField(const IColumn & column, const ISerialization & serialization, size_t row_num) override;
void writeRowEndDelimiter() override;
/// Disable totals and extremes, because they are enabled in TSV.
bool supportTotals() const override { return false; }
bool supportExtremes() const override { return false; }
NamesAndTypes fields;
size_t field_number = 0;
};
}
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