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#pragma once
#include <Processors/Formats/Impl/JSONColumnsBlockOutputFormatBase.h>
namespace DB
{
/* Format JSONCompactColumns outputs all data as a single block in the next format:
* [
* [value1, value2, value3, ...],
* [value1, value2m value3, ...],
* ...
* ]
*/
class JSONCompactColumnsBlockOutputFormat : public JSONColumnsBlockOutputFormatBase
{
public:
JSONCompactColumnsBlockOutputFormat(WriteBuffer & out_, const Block & header_, const FormatSettings & format_settings_);
String getName() const override { return "JSONCompactColumnsBlockOutputFormat"; }
protected:
void writeChunkStart() override;
void writeChunkEnd() override;
void writeColumnStart(size_t column_index) override;
const Names column_names;
};
}
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