#pragma once #include #include 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: public TabSeparatedRowOutputFormat { public: TSKVRowOutputFormat(WriteBuffer & out_, const Block & header, const RowOutputFormatParams & params_, const FormatSettings & format_settings); String getName() const override { return "TSKVRowOutputFormat"; } void writeField(const IColumn & column, const IDataType & type, size_t row_num) override; void writeRowEndDelimiter() override; protected: NamesAndTypes fields; size_t field_number = 0; }; }