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#pragma once
#include "clickhouse_config.h"
#if USE_ARROW
#include <Formats/FormatSettings.h>
#include <Processors/Formats/IOutputFormat.h>
#include "ArrowBufferedStreams.h"
namespace arrow { class Schema; }
namespace arrow::ipc { class RecordBatchWriter; }
namespace DB
{
class CHColumnToArrowColumn;
class ArrowBlockOutputFormat : public IOutputFormat
{
public:
ArrowBlockOutputFormat(WriteBuffer & out_, const Block & header_, bool stream_, const FormatSettings & format_settings_);
String getName() const override { return "ArrowBlockOutputFormat"; }
String getContentType() const override { return "application/octet-stream"; }
private:
void consume(Chunk) override;
void finalizeImpl() override;
void resetFormatterImpl() override;
void prepareWriter(const std::shared_ptr<arrow::Schema> & schema);
bool stream;
const FormatSettings format_settings;
std::shared_ptr<ArrowBufferedOutputStream> arrow_ostream;
std::shared_ptr<arrow::ipc::RecordBatchWriter> writer;
std::unique_ptr<CHColumnToArrowColumn> ch_column_to_arrow_column;
};
}
#endif
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