mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-27 10:02:01 +00:00
44 lines
1.1 KiB
C++
44 lines
1.1 KiB
C++
#pragma once
|
||
|
||
#include <Poco/SharedPtr.h>
|
||
|
||
#include <DB/Core/Block.h>
|
||
#include <DB/IO/WriteBuffer.h>
|
||
#include <DB/DataStreams/IRowOutputStream.h>
|
||
|
||
|
||
namespace DB
|
||
{
|
||
|
||
using Poco::SharedPtr;
|
||
|
||
|
||
/** Интерфейс потока для вывода данных в формате tsv.
|
||
*/
|
||
class TabSeparatedRowOutputStream : public IRowOutputStream
|
||
{
|
||
public:
|
||
/** with_names - выводить в первой строке заголовок с именами столбцов
|
||
* with_types - выводить на следующей строке заголовок с именами типов
|
||
*/
|
||
TabSeparatedRowOutputStream(WriteBuffer & ostr_, const Block & sample_, bool with_names_ = false, bool with_types_ = false);
|
||
|
||
void writeField(const Field & field);
|
||
void writeFieldDelimiter();
|
||
void writeRowEndDelimiter();
|
||
void writePrefix();
|
||
|
||
RowOutputStreamPtr clone() { return new TabSeparatedRowOutputStream(ostr, sample, with_names, with_types); }
|
||
|
||
protected:
|
||
WriteBuffer & ostr;
|
||
const Block & sample;
|
||
bool with_names;
|
||
bool with_types;
|
||
DataTypes data_types;
|
||
size_t field_number;
|
||
};
|
||
|
||
}
|
||
|